chore(release): 14.2.0-dev.2 [skip ci]

# [14.2.0-dev.2](https://github.com/ReVanced/revanced-patcher/compare/v14.2.0-dev.1...v14.2.0-dev.2) (2023-08-26)

### Features

* log when merging integrations ([983563e](983563efb6))

.releaserc

@@ -7,7 +7,13 @@
     }
   ],
   "plugins": [
-    "@semantic-release/commit-analyzer",
+    [
+      "@semantic-release/commit-analyzer", {
+        "releaseRules": [
+          { "type": "build", "scope": "Needs bump", "release": "patch" }
+        ]
+      }
+    ],
     "@semantic-release/release-notes-generator",
     "@semantic-release/changelog",
     "gradle-semantic-release-plugin",

CHANGELOG.md

@@ -1,3 +1,227 @@
+# [14.2.0-dev.2](https://github.com/ReVanced/revanced-patcher/compare/v14.2.0-dev.1...v14.2.0-dev.2) (2023-08-26)
+
+
+### Features
+
+* log when merging integrations ([983563e](https://github.com/ReVanced/revanced-patcher/commit/983563efb6d7c8d289464b8bf71a016b8a735630))
+
+# [14.2.0-dev.1](https://github.com/ReVanced/revanced-patcher/compare/v14.1.0...v14.2.0-dev.1) (2023-08-25)
+
+
+### Features
+
+* load patches in lexicographical order ([e8f2087](https://github.com/ReVanced/revanced-patcher/commit/e8f2087a6ffa6077fb3a6a69e29f3aec72e2fc1b))
+
+# [14.1.0](https://github.com/ReVanced/revanced-patcher/compare/v14.0.0...v14.1.0) (2023-08-24)
+
+
+### Bug Fixes
+
+* move version properties file to correct package ([e985676](https://github.com/ReVanced/revanced-patcher/commit/e985676c2d8e5d6cb907d371de30428caaa6da43))
+
+
+### Features
+
+* properly make use of logging facade ([ba56a6a](https://github.com/ReVanced/revanced-patcher/commit/ba56a6a2eef503c0d6cdd846ddce2e1474d8ed1a))
+
+# [14.1.0-dev.1](https://github.com/ReVanced/revanced-patcher/compare/v14.0.1-dev.1...v14.1.0-dev.1) (2023-08-24)
+
+
+### Features
+
+* properly make use of logging facade ([ba56a6a](https://github.com/ReVanced/revanced-patcher/commit/ba56a6a2eef503c0d6cdd846ddce2e1474d8ed1a))
+
+## [14.0.1-dev.1](https://github.com/ReVanced/revanced-patcher/compare/v14.0.0...v14.0.1-dev.1) (2023-08-23)
+
+
+### Bug Fixes
+
+* move version properties file to correct package ([e985676](https://github.com/ReVanced/revanced-patcher/commit/e985676c2d8e5d6cb907d371de30428caaa6da43))
+
+# [14.0.0](https://github.com/ReVanced/revanced-patcher/compare/v13.0.0...v14.0.0) (2023-08-22)
+
+
+### Bug Fixes
+
+* log decoding resources after logging deleting resource cache directory ([db62a16](https://github.com/ReVanced/revanced-patcher/commit/db62a1607b4a9d6256b5f5153decb088d9680553))
+* only emit closed patches that did not throw an exception with the `@Patch` annotation ([5938f6b](https://github.com/ReVanced/revanced-patcher/commit/5938f6b7ea25103a0a1b56ceebe49139bc80c6f5))
+* supply the parent classloader to `DexClassLoader` ([0f15077](https://github.com/ReVanced/revanced-patcher/commit/0f15077225600b65200022c1a318e504deb472b9))
+
+
+### Code Refactoring
+
+* improve structure and public API ([6b8977f](https://github.com/ReVanced/revanced-patcher/commit/6b8977f17854ef0344d868e6391cb18134eceadc))
+
+
+### Features
+
+* do not log instantiation of ReVanced Patcher ([273dd8d](https://github.com/ReVanced/revanced-patcher/commit/273dd8d388f8e9b7436c6d6145a94c12c1fabe55))
+
+
+### BREAKING CHANGES
+
+* Various public APIs have been changed. The `Version` annotation has been removed. Patches do not return anything anymore and instead throw `PatchException`. Multiple patch bundles can now be loaded in a single ClassLoader to bypass class loader isolation.
+
+# [14.0.0-dev.4](https://github.com/ReVanced/revanced-patcher/compare/v14.0.0-dev.3...v14.0.0-dev.4) (2023-08-22)
+
+
+### Bug Fixes
+
+* only emit closed patches that did not throw an exception with the `@Patch` annotation ([5938f6b](https://github.com/ReVanced/revanced-patcher/commit/5938f6b7ea25103a0a1b56ceebe49139bc80c6f5))
+
+# [14.0.0-dev.3](https://github.com/ReVanced/revanced-patcher/compare/v14.0.0-dev.2...v14.0.0-dev.3) (2023-08-20)
+
+
+### Bug Fixes
+
+* supply the parent classloader to `DexClassLoader` ([0f15077](https://github.com/ReVanced/revanced-patcher/commit/0f15077225600b65200022c1a318e504deb472b9))
+
+
+### Features
+
+* do not log instantiation of ReVanced Patcher ([273dd8d](https://github.com/ReVanced/revanced-patcher/commit/273dd8d388f8e9b7436c6d6145a94c12c1fabe55))
+
+# [14.0.0-dev.2](https://github.com/ReVanced/revanced-patcher/compare/v14.0.0-dev.1...v14.0.0-dev.2) (2023-08-19)
+
+# [14.0.0-dev.1](https://github.com/ReVanced/revanced-patcher/compare/v13.0.0...v14.0.0-dev.1) (2023-08-18)
+
+
+### Bug Fixes
+
+* log decoding resources after logging deleting resource cache directory ([db62a16](https://github.com/ReVanced/revanced-patcher/commit/db62a1607b4a9d6256b5f5153decb088d9680553))
+
+
+### Code Refactoring
+
+* improve structure and public API ([6b8977f](https://github.com/ReVanced/revanced-patcher/commit/6b8977f17854ef0344d868e6391cb18134eceadc))
+
+
+### BREAKING CHANGES
+
+* Various public APIs have been changed. The `Version` annotation has been removed. Patches do not return anything anymore and instead throw `PatchException`. Multiple patch bundles can now be loaded in a single ClassLoader to bypass class loader isolation.
+
+# [13.0.0](https://github.com/ReVanced/revanced-patcher/compare/v12.1.1...v13.0.0) (2023-08-14)
+
+
+### Bug Fixes
+
+* decode in correct order ([8fb2f2d](https://github.com/ReVanced/revanced-patcher/commit/8fb2f2dc1d3b9b1e9fd13b39485985d2886d52ae))
+* disable correct loggers ([c2d89c6](https://github.com/ReVanced/revanced-patcher/commit/c2d89c622e06e58e5042e1a00ef67cee8a246e53))
+* get framework ids to compile resources ([f2cb7ee](https://github.com/ReVanced/revanced-patcher/commit/f2cb7ee7dffa573c31df497cf235a3f5d120f91f))
+* only enable logging for ReVanced ([783ccf8](https://github.com/ReVanced/revanced-patcher/commit/783ccf8529f5d16aa463982da6977328306232bb))
+* set package metadata correctly ([02d6ff1](https://github.com/ReVanced/revanced-patcher/commit/02d6ff15fe87c2352de29749610e9d72db8ba418))
+
+
+* build(Needs bump)!: Bump dependencies ([d5f89a9](https://github.com/ReVanced/revanced-patcher/commit/d5f89a903f019c199bdb27a50287124fc4b4978e))
+
+
+### BREAKING CHANGES
+
+* This bump updates smali, a crucial dependency
+
+# [13.0.0-dev.3](https://github.com/ReVanced/revanced-patcher/compare/v13.0.0-dev.2...v13.0.0-dev.3) (2023-08-14)
+
+
+### Bug Fixes
+
+* decode in correct order ([8fb2f2d](https://github.com/ReVanced/revanced-patcher/commit/8fb2f2dc1d3b9b1e9fd13b39485985d2886d52ae))
+* only enable logging for ReVanced ([783ccf8](https://github.com/ReVanced/revanced-patcher/commit/783ccf8529f5d16aa463982da6977328306232bb))
+
+# [13.0.0-dev.2](https://github.com/ReVanced/revanced-patcher/compare/v13.0.0-dev.1...v13.0.0-dev.2) (2023-08-12)
+
+
+### Bug Fixes
+
+* disable correct loggers ([c2d89c6](https://github.com/ReVanced/revanced-patcher/commit/c2d89c622e06e58e5042e1a00ef67cee8a246e53))
+* get framework ids to compile resources ([f2cb7ee](https://github.com/ReVanced/revanced-patcher/commit/f2cb7ee7dffa573c31df497cf235a3f5d120f91f))
+* set package metadata correctly ([02d6ff1](https://github.com/ReVanced/revanced-patcher/commit/02d6ff15fe87c2352de29749610e9d72db8ba418))
+
+# [13.0.0-dev.1](https://github.com/ReVanced/revanced-patcher/compare/v12.1.1...v13.0.0-dev.1) (2023-08-11)
+
+
+* build(Needs bump)!: Bump dependencies ([d5f89a9](https://github.com/ReVanced/revanced-patcher/commit/d5f89a903f019c199bdb27a50287124fc4b4978e))
+
+
+### BREAKING CHANGES
+
+* This bump updates smali, a crucial dependency
+
+## [12.1.1](https://github.com/ReVanced/revanced-patcher/compare/v12.1.0...v12.1.1) (2023-08-03)
+
+
+### Bug Fixes
+
+* clear method lookup maps before initializing them ([#210](https://github.com/ReVanced/revanced-patcher/issues/210)) ([746544f](https://github.com/ReVanced/revanced-patcher/commit/746544f9d51d1013bb160075709cd26bffd425b3))
+
+## [12.1.1-dev.2](https://github.com/ReVanced/revanced-patcher/compare/v12.1.1-dev.1...v12.1.1-dev.2) (2023-08-03)
+
+## [12.1.1-dev.1](https://github.com/ReVanced/revanced-patcher/compare/v12.1.0...v12.1.1-dev.1) (2023-08-03)
+
+
+### Bug Fixes
+
+* clear method lookup maps before initializing them ([#210](https://github.com/ReVanced/revanced-patcher/issues/210)) ([746544f](https://github.com/ReVanced/revanced-patcher/commit/746544f9d51d1013bb160075709cd26bffd425b3))
+
+# [12.1.0](https://github.com/ReVanced/revanced-patcher/compare/v12.0.0...v12.1.0) (2023-08-03)
+
+
+### Features
+
+* add `MutableMethod.getInstructions` extension function ([fae4029](https://github.com/ReVanced/revanced-patcher/commit/fae4029cfccfad7aa3dd8f7fbef1c63ee26b85b3))
+
+# [12.1.0-dev.2](https://github.com/ReVanced/revanced-patcher/compare/v12.1.0-dev.1...v12.1.0-dev.2) (2023-08-03)
+
+# [12.1.0-dev.1](https://github.com/ReVanced/revanced-patcher/compare/v12.0.0...v12.1.0-dev.1) (2023-08-01)
+
+
+### Features
+
+* add `MutableMethod.getInstructions` extension function ([fae4029](https://github.com/ReVanced/revanced-patcher/commit/fae4029cfccfad7aa3dd8f7fbef1c63ee26b85b3))
+
+# [12.0.0](https://github.com/ReVanced/revanced-patcher/compare/v11.0.4...v12.0.0) (2023-07-30)
+
+
+### Bug Fixes
+
+* correct access flags of `PackageMetadata` ([416d691](https://github.com/ReVanced/revanced-patcher/commit/416d69142f50dab49c9ea3f027e9d53e4777f257))
+* set resource table via resource decoder ([e0f8e1b](https://github.com/ReVanced/revanced-patcher/commit/e0f8e1b71a295948b610029c89a48f52762396b6))
+
+
+### Features
+
+* Deprecate `Version` annotation ([c9bbcf2](https://github.com/ReVanced/revanced-patcher/commit/c9bbcf2bf2b0f50ab9100380a3a66c6346ad42ac))
+* remove `Path` option ([#202](https://github.com/ReVanced/revanced-patcher/issues/202)) ([69e4a49](https://github.com/ReVanced/revanced-patcher/commit/69e4a490659ebc4fb4bf46148634f4b064ef1713))
+
+
+### BREAKING CHANGES
+
+* This removes the previously available `Path` option
+
+# [12.0.0-dev.2](https://github.com/ReVanced/revanced-patcher/compare/v12.0.0-dev.1...v12.0.0-dev.2) (2023-07-28)
+
+
+### Features
+
+* Deprecate `Version` annotation ([400442f](https://github.com/ReVanced/revanced-patcher/commit/400442f70ee56cafd4493b2ce64a294db9836509))
+
+# [12.0.0-dev.1](https://github.com/ReVanced/revanced-patcher/compare/v11.0.4...v12.0.0-dev.1) (2023-07-26)
+
+
+### Bug Fixes
+
+* correct access flags of `PackageMetadata` ([416d691](https://github.com/ReVanced/revanced-patcher/commit/416d69142f50dab49c9ea3f027e9d53e4777f257))
+* set resource table via resource decoder ([e0f8e1b](https://github.com/ReVanced/revanced-patcher/commit/e0f8e1b71a295948b610029c89a48f52762396b6))
+
+
+### Features
+
+* remove `Path` option ([#202](https://github.com/ReVanced/revanced-patcher/issues/202)) ([69e4a49](https://github.com/ReVanced/revanced-patcher/commit/69e4a490659ebc4fb4bf46148634f4b064ef1713))
+
+
+### BREAKING CHANGES
+
+* This removes the previously available `Path` option
+
 ## [11.0.4](https://github.com/revanced/revanced-patcher/compare/v11.0.3...v11.0.4) (2023-07-01)
 
 

arsclib-utils/.gitignore

@@ -1,42 +0,0 @@
-.gradle
-build/
-!gradle/wrapper/gradle-wrapper.jar
-!**/src/main/**/build/
-!**/src/test/**/build/
-
-### IntelliJ IDEA ###
-.idea/modules.xml
-.idea/jarRepositories.xml
-.idea/compiler.xml
-.idea/libraries/
-*.iws
-*.iml
-*.ipr
-out/
-!**/src/main/**/out/
-!**/src/test/**/out/
-
-### Eclipse ###
-.apt_generated
-.classpath
-.factorypath
-.project
-.settings
-.springBeans
-.sts4-cache
-bin/
-!**/src/main/**/bin/
-!**/src/test/**/bin/
-
-### NetBeans ###
-/nbproject/private/
-/nbbuild/
-/dist/
-/nbdist/
-/.nb-gradle/
-
-### VS Code ###
-.vscode/
-
-### Mac OS ###
-.DS_Store

arsclib-utils/build.gradle.kts

@@ -1,18 +0,0 @@
-plugins {
-    kotlin("jvm")
-    `maven-publish`
-}
-
-group = "app.revanced"
-
-dependencies {
-    implementation("io.github.reandroid:ARSCLib:1.1.7")
-}
-
-java {
-    withSourcesJar()
-}
-
-kotlin {
-    jvmToolchain(11)
-}

arsclib-utils/src/main/kotlin/app/revanced/arsc/ApkResourceException.kt

@@ -1,72 +0,0 @@
-package app.revanced.arsc
-
-/**
- * An exception thrown when there is an error with APK resources.
- *
- * @param message The exception message.
- * @param throwable The corresponding [Throwable].
- */
-sealed class ApkResourceException(message: String, throwable: Throwable? = null) : Exception(message, throwable) {
-    /**
-     * An exception when locking resources.
-     *
-     * @param message The exception message.
-     * @param throwable The corresponding [Throwable].
-     */
-    class Locked(message: String, throwable: Throwable? = null) : ApkResourceException(message, throwable)
-
-    /**
-     * An exception when writing resources.
-     *
-     * @param message The exception message.
-     * @param throwable The corresponding [Throwable].
-     */
-     class Write(message: String, throwable: Throwable? = null) : ApkResourceException(message, throwable)
-
-    /**
-     * An exception when reading resources.
-     *
-     * @param message The exception message.
-     * @param throwable The corresponding [Throwable].
-     */
-    class Read(message: String, throwable: Throwable? = null) : ApkResourceException(message, throwable)
-    /**
-     * An exception when decoding resources.
-     *
-     * @param message The exception message.
-     * @param throwable The corresponding [Throwable].
-     */
-    class Decode(message: String, throwable: Throwable? = null) : ApkResourceException(message, throwable)
-
-    /**
-     * An exception when encoding resources.
-     *
-     * @param message The exception message.
-     * @param throwable The corresponding [Throwable].
-     */
-    class Encode(message: String, throwable: Throwable? = null) : ApkResourceException(message, throwable)
-
-    /**
-     * An exception thrown when a reference could not be resolved.
-     *
-     * @param reference The invalid reference.
-     * @param throwable The corresponding [Throwable].
-     */
-    class InvalidReference(reference: String, throwable: Throwable? = null) :
-        ApkResourceException("Failed to resolve: $reference", throwable) {
-
-        /**
-         * An exception thrown when a reference could not be resolved.
-         *
-         * @param type The type of the reference.
-         * @param name The name of the reference.
-         * @param throwable The corresponding [Throwable].
-         */
-        constructor(type: String, name: String, throwable: Throwable? = null) : this("@$type/$name", throwable)
-    }
-
-    /**
-     * An exception thrown when the Apk file not have a resource table, but was expected to have one.
-     */
-    class MissingResourceTable : ApkResourceException("Apk does not have a resource table.")
-}

arsclib-utils/src/main/kotlin/app/revanced/arsc/archive/Archive.kt

@@ -1,28 +0,0 @@
-@file:Suppress("MemberVisibilityCanBePrivate")
-
-package app.revanced.arsc.archive
-
-import app.revanced.arsc.resource.ResourceContainer
-import com.reandroid.apk.ApkModule
-import com.reandroid.apk.DexFileInputSource
-import com.reandroid.archive.InputSource
-import java.io.File
-import java.io.Flushable
-
-/**
- * A class for reading/writing files in an [ApkModule].
- *
- * @param module The [ApkModule] to operate on.
- */
-class Archive(internal val module: ApkModule) : Flushable {
-    val mainPackageResources = ResourceContainer(this, module.tableBlock)
-
-    fun save(output: File) {
-        flush()
-        module.writeApk(output)
-    }
-    fun readDexFiles(): MutableList<DexFileInputSource> = module.listDexFiles()
-    fun write(inputSource: InputSource) = module.apkArchive.add(inputSource) // Overwrites existing files.
-    fun read(name: String): InputSource? = module.apkArchive.getInputSource(name)
-    override fun flush() = mainPackageResources.flush()
-}

arsclib-utils/src/main/kotlin/app/revanced/arsc/logging/Logger.kt

@@ -1,7 +0,0 @@
-package app.revanced.arsc.logging
-interface Logger {
-    fun error(msg: String)
-    fun warn(msg: String)
-    fun info(msg: String)
-    fun trace(msg: String)
-}

arsclib-utils/src/main/kotlin/app/revanced/arsc/resource/Resource.kt

@@ -1,166 +0,0 @@
-package app.revanced.arsc.resource
-
-import app.revanced.arsc.ApkResourceException
-import com.reandroid.arsc.coder.EncodeResult
-import com.reandroid.arsc.coder.ValueDecoder
-import com.reandroid.arsc.value.Entry
-import com.reandroid.arsc.value.ValueType
-import com.reandroid.arsc.value.array.ArrayBag
-import com.reandroid.arsc.value.array.ArrayBagItem
-import com.reandroid.arsc.value.plurals.PluralsBag
-import com.reandroid.arsc.value.plurals.PluralsBagItem
-import com.reandroid.arsc.value.plurals.PluralsQuantity
-import com.reandroid.arsc.value.style.StyleBag
-import com.reandroid.arsc.value.style.StyleBagItem
-
-/**
- * A resource value.
- */
-sealed class Resource {
-    internal abstract fun write(entry: Entry, resources: ResourceContainer)
-}
-
-internal val Resource.isComplex get() = when (this) {
-    is Scalar -> false
-    is Complex -> true
-}
-
-/**
- * A simple resource.
- */
-open class Scalar internal constructor(private val valueType: ValueType, private val value: Int) : Resource() {
-    protected open fun data(resources: ResourceContainer) = value
-
-    override fun write(entry: Entry, resources: ResourceContainer) {
-        entry.setValueAsRaw(valueType, data(resources))
-    }
-
-    internal open fun toArrayItem(resources: ResourceContainer) = ArrayBagItem.create(valueType, data(resources))
-    internal open fun toStyleItem(resources: ResourceContainer) = StyleBagItem.create(valueType, data(resources))
-}
-
-/**
- * A marker class for complex resources.
- */
-sealed class Complex : Resource()
-
-private fun encoded(encodeResult: EncodeResult?) = encodeResult?.let { Scalar(it.valueType, it.value) }
-    ?: throw ApkResourceException.Encode("Failed to encode value")
-
-/**
- * Encode a color.
- *
- * @param hex The hex value of the color.
- * @return The encoded [Resource].
- */
-fun color(hex: String) = encoded(ValueDecoder.encodeColor(hex))
-
-/**
- * Encode a dimension or fraction.
- *
- * @param value The dimension value such as 24dp.
- * @return The encoded [Resource].
- */
-fun dimension(value: String) = encoded(ValueDecoder.encodeDimensionOrFraction(value))
-
-/**
- * Encode a boolean resource.
- *
- * @param value The boolean.
- * @return The encoded [Resource].
- */
-fun boolean(value: Boolean) = Scalar(ValueType.INT_BOOLEAN, if (value) -Int.MAX_VALUE else 0)
-
-/**
- * Encode a float.
- *
- * @param n The number to encode.
- * @return The encoded [Resource].
- */
-fun float(n: Float) = Scalar(ValueType.FLOAT, n.toBits())
-
-/**
- * Create an integer [Resource].
- *
- * @param n The number to encode.
- * @return The integer [Resource].
- */
-fun integer(n: Int) = Scalar(ValueType.INT_DEC, n)
-
-/**
- * Create a reference [Resource].
- *
- * @param resourceId The target resource.
- * @return The reference resource.
- */
-fun reference(resourceId: Int) = Scalar(ValueType.REFERENCE, resourceId)
-
-/**
- * Resolve and create a reference [Resource].
- *
- * @see reference
- * @param ref The reference string to resolve.
- * @param resourceTable The resource table to resolve the reference with.
- * @return The reference resource.
- */
-fun reference(resourceTable: ResourceTable, ref: String) = reference(resourceTable.resolve(ref))
-
-/**
- * An array [Resource].
- *
- * @param elements The elements of the array.
- */
-class Array(private val elements: Collection<Scalar>) : Complex() {
-    override fun write(entry: Entry, resources: ResourceContainer) {
-        ArrayBag.create(entry).addAll(elements.map { it.toArrayItem(resources) })
-    }
-}
-
-/**
- * A style resource.
- *
- * @param elements The attributes to override.
- * @param parent A reference to the parent style.
- */
-class Style(private val elements: Map<String, Scalar>, private val parent: String? = null) : Complex() {
-    override fun write(entry: Entry, resources: ResourceContainer) {
-        val resTable = resources.resourceTable
-        val style = StyleBag.create(entry)
-        parent?.let {
-            style.parentId = resTable.resolve(parent)
-        }
-
-        style.putAll(
-            elements.asIterable().associate {
-                StyleBag.resolve(resTable.encodeMaterials, it.key) to it.value.toStyleItem(resources)
-            })
-    }
-}
-
-/**
- * A quantity string [Resource].
- *
- * @param elements A map of the quantity to the corresponding string.
- */
-class Plurals(private val elements: Map<String, String>) : Complex() {
-    override fun write(entry: Entry, resources: ResourceContainer) {
-        val plurals = PluralsBag.create(entry)
-
-        plurals.putAll(elements.asIterable().associate { (k, v) ->
-            PluralsQuantity.value(k) to PluralsBagItem.string(resources.getOrCreateString(v))
-        })
-    }
-}
-
-/**
- * A string [Resource].
- *
- * @param value The string value.
- */
-class StringResource(val value: String) : Scalar(ValueType.STRING, 0) {
-    private fun tableString(resources: ResourceContainer) = resources.getOrCreateString(value)
-
-    override fun data(resources: ResourceContainer) = tableString(resources).index
-    override fun toArrayItem(resources: ResourceContainer) = ArrayBagItem.string(tableString(resources))
-    override fun toStyleItem(resources: ResourceContainer) = StyleBagItem.string(tableString(resources))
-}

arsclib-utils/src/main/kotlin/app/revanced/arsc/resource/ResourceContainer.kt

@@ -1,167 +0,0 @@
-package app.revanced.arsc.resource
-
-import app.revanced.arsc.ApkResourceException
-import app.revanced.arsc.archive.Archive
-import com.reandroid.apk.xmlencoder.EncodeUtil
-import com.reandroid.arsc.chunk.TableBlock
-import com.reandroid.arsc.chunk.xml.ResXmlDocument
-import com.reandroid.arsc.value.Entry
-import com.reandroid.arsc.value.ResConfig
-import java.io.Closeable
-import java.io.File
-import java.io.Flushable
-
-class ResourceContainer(private val archive: Archive, internal val tableBlock: TableBlock) : Flushable {
-    private val packageBlock = tableBlock.pickOne() // Pick the main package block.
-    internal lateinit var resourceTable: ResourceTable // TODO: Set this.
-
-    private val lockedResourceFileNames = mutableSetOf<String>()
-
-    private fun lock(resourceFile: ResourceFile) {
-        if (resourceFile.name in lockedResourceFileNames) {
-            throw ApkResourceException.Locked("Resource file ${resourceFile.name} is already locked.")
-        }
-
-        lockedResourceFileNames.add(resourceFile.name)
-    }
-
-    private fun unlock(resourceFile: ResourceFile) {
-        lockedResourceFileNames.remove(resourceFile.name)
-    }
-
-
-    fun <T : ResourceFile> openResource(name: String): ResourceFileEditor<T> {
-        val inputSource = archive.read(name)
-            ?: throw ApkResourceException.Read("Resource file $name not found.")
-
-        val resourceFile = when {
-            ResXmlDocument.isResXmlBlock(inputSource.openStream()) -> {
-                val xmlDocument = archive.module
-                    .loadResXmlDocument(inputSource)
-                    .decodeToXml(resourceTable.entryStore, packageBlock.id)
-
-                ResourceFile.XmlResourceFile(name, xmlDocument)
-            }
-
-            else -> {
-                val bytes = inputSource.openStream().use { it.readAllBytes() }
-
-                ResourceFile.BinaryResourceFile(name, bytes)
-            }
-        }
-
-        try {
-            @Suppress("UNCHECKED_CAST")
-            return ResourceFileEditor(resourceFile as T).also {
-                lockedResourceFileNames.add(name)
-            }
-        } catch (e: ClassCastException) {
-            throw ApkResourceException.Decode("Resource file $name is not ${resourceFile::class}.", e)
-        }
-    }
-
-    inner class ResourceFileEditor<T : ResourceFile> internal constructor(
-        private val resourceFile: T,
-    ) : Closeable {
-        fun use(block: (T) -> Unit) = block(resourceFile)
-        override fun close() {
-            lockedResourceFileNames.remove(resourceFile.name)
-        }
-    }
-
-    override fun flush() {
-        TODO("Not yet implemented")
-    }
-
-    /**
-     * Open a resource file, creating it if the file does not exist.
-     *
-     * @param path The resource file path.
-     * @return The corresponding [ResourceFiles],
-     */
-    fun openFile(path: String) = ResourceFiles(createHandle(path), archive)
-
-    private fun getPackageBlock() = packageBlock ?: throw ApkResourceException.MissingResourceTable
-
-    internal fun getOrCreateString(value: String) =
-        tableBlock?.stringPool?.getOrCreate(value) ?: throw ApkResourceException.MissingResourceTable
-
-    private fun Entry.set(resource: Resource) {
-        val existingEntryNameReference = specReference
-
-        // Sets this.specReference if the entry is not yet initialized.
-        // Sets this.specReference to 0 if the resource type of the existing entry changes.
-        ensureComplex(resource.isComplex)
-
-        if (existingEntryNameReference != 0) {
-            // Preserve the entry name by restoring the previous spec block reference (if present).
-            specReference = existingEntryNameReference
-        }
-
-        resource.write(this, this@ResourceContainer)
-        resourceTable.registerChanged(this)
-    }
-
-    /**
-     * Retrieve an [Entry] from the resource table.
-     *
-     * @param type The resource type.
-     * @param name The resource name.
-     * @param qualifiers The variant to use.
-     */
-    private fun getEntry(type: String, name: String, qualifiers: String?): Entry? {
-        val resourceId = try {
-            resourceTable.resolve("@$type/$name")
-        } catch (_: ApkResourceException.InvalidReference) {
-            return null
-        }
-
-        val config = ResConfig.parse(qualifiers)
-        return tableBlock?.resolveReference(resourceId)?.singleOrNull { it.resConfig == config }
-    }
-
-    /**
-     * Create a [ResourceFiles.Handle] that can be used to open a [ResourceFiles].
-     * This may involve looking it up in the resource table to find the actual location in the archive.
-     *
-     * @param path The path of the resource.
-     */
-    private fun createHandle(path: String): ResourceFiles.Handle {
-        if (path.startsWith("res/values")) throw ApkResourceException.Decode("Decoding the resource table as a file is not supported")
-
-        var onClose = {}
-        var archivePath = path
-
-        if (tableBlock != null && path.startsWith("res/") && path.count { it == '/' } == 2) {
-            val file = File(path)
-
-            val qualifiers = EncodeUtil.getQualifiersFromResFile(file)
-            val type = EncodeUtil.getTypeNameFromResFile(file)
-            val name = file.nameWithoutExtension
-
-            // The resource file names that the app developers used may have been minified, so we have to resolve it with the resource table.
-            // Example: res/drawable-hdpi/icon.png -> res/4a.png
-            getEntry(type, name, qualifiers)?.resValue?.valueAsString?.let {
-                archivePath = it
-            } ?: run {
-                // An entry for this specific resource file was not found in the resource table, so we have to register it after we save.
-                onClose = { setResource(type, name, StringResource(archivePath), qualifiers) }
-            }
-        }
-
-        return ResourceFiles.Handle(path, archivePath, onClose)
-    }
-
-    fun setResource(type: String, entryName: String, resource: Resource, qualifiers: String? = null) =
-        getPackageBlock().getOrCreate(qualifiers, type, entryName).also { it.set(resource) }.resourceId
-
-    fun setResources(type: String, resources: Map<String, Resource>, configuration: String? = null) {
-        getPackageBlock().getOrCreateSpecTypePair(type).getOrCreateTypeBlock(configuration).apply {
-            resources.forEach { (entryName, resource) -> getOrCreateEntry(entryName).set(resource) }
-        }
-    }
-
-    override fun flush() {
-        packageBlock?.name = archive
-    }
-}

arsclib-utils/src/main/kotlin/app/revanced/arsc/resource/ResourceFiles.kt

@@ -1,91 +0,0 @@
-package app.revanced.arsc.resource
-
-import app.revanced.arsc.ApkResourceException
-import app.revanced.arsc.archive.Archive
-import com.reandroid.archive.InputSource
-import com.reandroid.xml.XMLDocument
-import com.reandroid.xml.XMLException
-import java.io.*
-
-
-abstract class ResourceFile(val name: String) {
-    internal var realName: String? = null
-
-    class XmlResourceFile(name: String, val document: XMLDocument) : ResourceFile(name)
-    class BinaryResourceFile(name: String, var bytes: ByteArray) : ResourceFile(name)
-}
-
-
-class ResourceFiles private constructor(
-) : Closeable {
-
-    /**
-     * Instantiate a [ResourceFiles].
-     *
-     * @param handle The [Handle] associated with this file.
-     * @param archive The [Archive] that the file resides in.
-     */
-    internal constructor(handle: Handle, archive: Archive) : this(
-        handle,
-        archive,
-        try {
-            archive.read(handle.archivePath)
-        } catch (e: XMLException) {
-            throw ApkResourceException.Decode("Failed to decode XML while reading ${handle.virtualPath}", e)
-        } catch (e: IOException) {
-            throw ApkResourceException.Decode("Could not read ${handle.virtualPath}", e)
-        }
-    )
-
-    companion object {
-        const val DEFAULT_BUFFER_SIZE = 1024
-    }
-
-    var contents = readResult?.data ?: ByteArray(0)
-        set(value) {
-            pendingWrite = true
-            field = value
-        }
-
-    val exists = readResult != null
-
-    override fun toString() = handle.virtualPath
-
-    override fun close() {
-        if (pendingWrite) {
-            val path = handle.archivePath
-
-            if (isXmlResource) archive.writeXml(
-                path,
-                try {
-                    XMLDocument.load(inputStream())
-                } catch (e: XMLException) {
-                    throw ApkResourceException.Encode("Failed to parse XML while writing ${handle.virtualPath}", e)
-                }
-
-            ) else archive.writeRaw(path, contents)
-        }
-
-        handle.onClose()
-
-
-        archive.unlock(this)
-    }
-
-    fun inputStream(): InputStream = ByteArrayInputStream(contents)
-
-    fun outputStream(bufferSize: Int = DEFAULT_BUFFER_SIZE): OutputStream =
-        object : ByteArrayOutputStream(bufferSize) {
-            override fun close() {
-                this@ResourceFiles.contents = if (buf.size > count) buf.copyOf(count) else buf
-                super.close()
-            }
-        }
-
-    /**
-     * @param virtualPath The resource file path. Example: /res/drawable-hdpi/icon.png.
-     * @param archivePath The actual file path in the archive. Example: res/4a.png.
-     * @param onClose An action to perform when the file associated with this handle is closed
-     */
-    internal data class Handle(val virtualPath: String, val archivePath: String, val onClose: () -> Unit)
-}

arsclib-utils/src/main/kotlin/app/revanced/arsc/resource/ResourceTable.kt

@@ -1,100 +0,0 @@
-package app.revanced.arsc.resource
-
-import app.revanced.arsc.ApkResourceException
-import com.reandroid.apk.xmlencoder.EncodeException
-import com.reandroid.apk.xmlencoder.EncodeMaterials
-import com.reandroid.arsc.util.FrameworkTable
-import com.reandroid.arsc.value.Entry
-import com.reandroid.common.TableEntryStore
-
-/**
- * A high-level API for resolving resources in the resource table, which spans the entire ApkBundle.
- */
-class ResourceTable(base: ResourceContainer, all: Sequence<ResourceContainer>) {
-    private val packageName = base.tableBlock!!.name
-
-    /**
-     * A [TableEntryStore] used to decode XML.
-     */
-    internal val entryStore = TableEntryStore()
-
-    /**
-     * The [EncodeMaterials] to use for resolving resources and encoding XML.
-     */
-    internal val encodeMaterials: EncodeMaterials = object : EncodeMaterials() {
-        /*
-        Our implementation is more efficient because it does not have to loop through every single entry group
-        when the resource id cannot be found in the TableIdentifier, which does not update when you create a new resource.
-        It also looks at the entire table instead of just the current package.
-        */
-        override fun resolveLocalResourceId(type: String, name: String) = resolveLocal(type, name)
-    }
-
-    /**
-     * The resource mappings which are generated when the ApkBundle is created.
-     */
-    private val tableIdentifier = encodeMaterials.tableIdentifier
-
-    /**
-     * A table of all the resources that have been changed or added.
-     */
-    private val modifiedResources = HashMap<String, HashMap<String, Int>>()
-
-
-    /**
-     * Resolve a resource id for the specified resource.
-     * Cannot resolve resources from the android framework.
-     *
-     * @param type The type of the resource.
-     * @param name The name of the resource.
-     * @return The id of the resource.
-     */
-    fun resolveLocal(type: String, name: String) =
-        modifiedResources[type]?.get(name)
-            ?: tableIdentifier.get(packageName, type, name)?.resourceId
-            ?: throw ApkResourceException.InvalidReference(
-                type,
-                name
-            )
-
-    /**
-     * Resolve a resource id for the specified resource.
-     *
-     * @param reference The resource reference string.
-     * @return The id of the resource.
-     */
-    fun resolve(reference: String) = try {
-        encodeMaterials.resolveReference(reference)
-    } catch (e: EncodeException) {
-        throw ApkResourceException.InvalidReference(reference, e)
-    }
-
-    /**
-     * Notify the [ResourceTable] that an [Entry] has been created or modified.
-     */
-    internal fun registerChanged(entry: Entry) {
-        modifiedResources.getOrPut(entry.typeName, ::HashMap)[entry.name] = entry.resourceId
-    }
-
-    init {
-        all.forEach {
-            it.tableBlock?.let { table ->
-                entryStore.add(table)
-                tableIdentifier.load(table)
-            }
-
-            it.resourceTable = this
-        }
-
-        base.also {
-            encodeMaterials.currentPackage = it.tableBlock
-
-            it.tableBlock!!.frameWorks.forEach { fw ->
-                if (fw is FrameworkTable) {
-                    entryStore.add(fw)
-                    encodeMaterials.addFramework(fw)
-                }
-            }
-        }
-    }
-}

arsclib-utils/src/main/kotlin/app/revanced/arsc/xml/LazyXMLEncodeSource.kt

@@ -1,56 +0,0 @@
-package app.revanced.arsc.xml
-
-import app.revanced.arsc.resource.ResourceContainer
-import app.revanced.arsc.resource.boolean
-import com.reandroid.apk.xmlencoder.EncodeException
-import com.reandroid.apk.xmlencoder.XMLEncodeSource
-import com.reandroid.arsc.chunk.xml.ResXmlDocument
-import com.reandroid.xml.XMLDocument
-import com.reandroid.xml.XMLElement
-import com.reandroid.xml.source.XMLDocumentSource
-
-/**
- * Archive input source to lazily encode an [XMLDocument] after it has been modified.
- *
- * @param name The file name of this input source.
- * @param document The [XMLDocument] to encode.
- * @param resources The [ResourceContainer] to use for encoding.
- */
-internal class LazyXMLEncodeSource(
-    name: String,
-    val document: XMLDocument,
-    private val resources: ResourceContainer
-) : XMLEncodeSource(resources.resourceTable.encodeMaterials, XMLDocumentSource(name, document)) {
-    private var encoded = false
-
-    override fun getResXmlBlock(): ResXmlDocument {
-        if (encoded) return super.getResXmlBlock()
-
-        XMLEncodeSource(resources.resourceTable.encodeMaterials, XMLDocumentSource(name, document))
-        
-        fun XMLElement.registerIds() {
-            listAttributes().forEach { attr ->
-                if (!attr.value.startsWith("@+id/")) return@forEach
-
-                val name = attr.value.split('/').last()
-                resources.setResource("id", name, boolean(false))
-                attr.value = "@id/$name"
-            }
-
-            listChildElements().forEach { it.registerIds() }
-        }
-
-        // Handle all @+id/id_name references in the document.
-        document.documentElement.registerIds()
-
-        encoded = true
-
-        // This will call XMLEncodeSource.getResXmlBlock(),
-        // which will encode the document if it has not already been encoded.
-        try {
-            return super.getResXmlBlock()
-        } catch (e: EncodeException) {
-            throw EncodeException("Failed to encode $name", e)
-        }
-    }
-}

build.gradle.kts

@@ -1,3 +1,57 @@
 plugins {
-    kotlin("jvm") version "1.8.20" apply false
+    kotlin("jvm") version "1.8.20"
+    `maven-publish`
+}
+
+group = "app.revanced"
+
+dependencies {
+    implementation(libs.kotlinx.coroutines.core)
+    implementation(libs.xpp3)
+    implementation(libs.smali)
+    implementation(libs.multidexlib2)
+    implementation(libs.apktool.lib)
+    implementation(libs.kotlin.reflect)
+
+    compileOnly(libs.android)
+
+    testImplementation(libs.kotlin.test)
+}
+
+tasks {
+    test {
+        useJUnitPlatform()
+        testLogging {
+            events("PASSED", "SKIPPED", "FAILED")
+        }
+    }
+
+    processResources {
+        expand("projectVersion" to project.version)
+    }
+}
+
+kotlin { jvmToolchain(11) }
+
+java {
+    withSourcesJar()
+}
+
+publishing {
+    repositories {
+        mavenLocal()
+        maven {
+            name = "GitHubPackages"
+            url = uri("https://maven.pkg.github.com/revanced/revanced-patcher")
+            credentials {
+                username = System.getenv("GITHUB_ACTOR")
+                password = System.getenv("GITHUB_TOKEN")
+            }
+        }
+    }
+    publications {
+        create<MavenPublication>("gpr") {
+            from(components["java"])
+        }
+    }
 }

gradle.properties

@@ -1,4 +1,4 @@
-org.gradle.parallel=true
+org.gradle.parallel = true
-org.gradle.caching=true
+org.gradle.caching = true
 kotlin.code.style = official
-version = 11.0.4
+version = 14.2.0-dev.2

gradle/libs.versions.toml

@@ -0,0 +1,21 @@
+[versions]
+android = "4.1.1.4"
+kotlin-reflect = "1.9.0"
+apktool-lib = "2.8.2-5"
+kotlin-test = "1.8.20-RC"
+kotlinx-coroutines-core = "1.7.1"
+multidexlib2 = "3.0.3.r2"
+shadow = "8.1.1"
+smali = "3.0.3"
+xpp3 = "1.1.4c"
+
+
+[libraries]
+android = { module = "com.google.android:android", version.ref = "android" }
+kotlin-reflect = { module = "org.jetbrains.kotlin:kotlin-reflect", version.ref = "kotlin-reflect" }
+apktool-lib = { module = "app.revanced:apktool-lib", version.ref = "apktool-lib" }
+kotlin-test = { module = "org.jetbrains.kotlin:kotlin-test", version.ref = "kotlin-test" }
+kotlinx-coroutines-core = { module = "org.jetbrains.kotlinx:kotlinx-coroutines-core", version.ref = "kotlinx-coroutines-core" }
+multidexlib2 = { module = "app.revanced:multidexlib2", version.ref = "multidexlib2" }
+smali = { module = "com.android.tools.smali:smali", version.ref = "smali" }
+xpp3 = { module = "xpp3:xpp3", version.ref = "xpp3" }

revanced-patcher/build.gradle.kts

@@ -1,61 +0,0 @@
-plugins {
-    kotlin("jvm")
-    `maven-publish`
-}
-
-group = "app.revanced"
-
-dependencies {
-    implementation("xpp3:xpp3:1.1.4c")
-    implementation("app.revanced:smali:2.5.3-a3836654")
-    implementation("app.revanced:multidexlib2:2.5.3-a3836654")
-    implementation("io.github.reandroid:ARSCLib:1.1.7")
-    implementation(project(":arsclib-utils"))
-
-    implementation("org.jetbrains.kotlinx:kotlinx-coroutines-core:1.7.1")
-    implementation("org.jetbrains.kotlin:kotlin-reflect:1.8.20-RC")
-    testImplementation("org.jetbrains.kotlin:kotlin-test:1.8.20-RC")
-
-    compileOnly("com.google.android:android:4.1.1.4")
-}
-
-tasks {
-    test {
-        useJUnitPlatform()
-        testLogging {
-            events("PASSED", "SKIPPED", "FAILED")
-        }
-    }
-    processResources {
-        expand("projectVersion" to project.version)
-    }
-}
-
-java {
-    withSourcesJar()
-}
-
-kotlin {
-    jvmToolchain(11)
-}
-
-publishing {
-    repositories {
-        if (System.getenv("GITHUB_ACTOR") != null)
-            maven {
-                name = "GitHubPackages"
-                url = uri("https://maven.pkg.github.com/revanced/revanced-patcher")
-                credentials {
-                    username = System.getenv("GITHUB_ACTOR")
-                    password = System.getenv("GITHUB_TOKEN")
-                }
-            }
-        else
-            mavenLocal()
-    }
-    publications {
-        register<MavenPublication>("gpr") {
-            from(components["java"])
-        }
-    }
-}

revanced-patcher/settings.gradle.kts

@@ -1 +0,0 @@
-rootProject.name = "revanced-patcher"

revanced-patcher/src/main/kotlin/app/revanced/patcher/Context.kt

@@ -1,113 +0,0 @@
-package app.revanced.patcher
-
-import app.revanced.arsc.resource.ResourceContainer
-import app.revanced.patcher.apk.Apk
-import app.revanced.patcher.apk.ApkBundle
-import app.revanced.arsc.resource.ResourceFiles
-import app.revanced.patcher.util.method.MethodWalker
-import org.jf.dexlib2.iface.Method
-import org.w3c.dom.Document
-import java.io.Closeable
-import java.io.InputStream
-import java.io.StringWriter
-import javax.xml.parsers.DocumentBuilderFactory
-import javax.xml.transform.TransformerFactory
-import javax.xml.transform.dom.DOMSource
-import javax.xml.transform.stream.StreamResult
-
-/**
- * A common class to constrain [Context] to [BytecodeContext] and [ResourceContext].
- * @param apkBundle The [ApkBundle] for this context.
- */
-sealed class Context(val apkBundle: ApkBundle)
-
-/**
- * A context for the bytecode of an [Apk.Base] file.
- *
- * @param apkBundle The [ApkBundle] for this context.
- */
-class BytecodeContext internal constructor(apkBundle: ApkBundle) : Context(apkBundle) {
-    /**
-     * The list of classes.
-     */
-    val classes = apkBundle.base.bytecodeData.classes
-
-    /**
-     * Create a [MethodWalker] instance for the current [BytecodeContext].
-     *
-     * @param startMethod The method to start at.
-     * @return A [MethodWalker] instance.
-     */
-    fun traceMethodCalls(startMethod: Method) = MethodWalker(this, startMethod)
-}
-
-/**
- * A context for [Apk] file resources.
- *
- * @param apkBundle the [ApkBundle] for this context.
- */
-class ResourceContext internal constructor(apkBundle: ApkBundle) : Context(apkBundle) {
-
-    /**
-     * Open an [DomFileEditor] for a given DOM file.
-     *
-     * @param inputStream The input stream to read the DOM file from.
-     * @return A [DomFileEditor] instance.
-     */
-    fun openXmlFile(inputStream: InputStream) = DomFileEditor(inputStream)
-}
-
-
-/**
- * Open a [DomFileEditor] for a resource file in the archive.
- *
- * @see [ResourceContainer.openFile]
- * @param path The resource file path.
- * @return A [DomFileEditor].
- */
-fun ResourceContainer.openXmlFile(path: String) = DomFileEditor(openFile(path))
-
-/**
- * Wrapper for a file that can be edited as a dom document.
- *
- * @param inputStream the input stream to read the xml file from.
- * @param onSave A callback that will be called when the editor is closed to save the file.
- */
-class DomFileEditor internal constructor(
-    private val inputStream: InputStream,
-    private val onSave: ((String) -> Unit)? = null
-) : Closeable {
-    private var closed: Boolean = false
-
-    /**
-     * The document of the xml file.
-     */
-    val file: Document = DocumentBuilderFactory.newInstance().newDocumentBuilder().parse(inputStream)
-        .also(Document::normalize)
-
-    internal constructor(file: ResourceFiles) : this(
-        file.inputStream(),
-        {
-            file.contents = it.toByteArray()
-            file.close()
-        }
-    )
-
-    /**
-     * Closes the editor and writes back to the file.
-     */
-    override fun close() {
-        if (closed) return
-
-        inputStream.close()
-
-        onSave?.let { callback ->
-            // Save the updated file.
-            val writer = StringWriter()
-            TransformerFactory.newInstance().newTransformer().transform(DOMSource(file), StreamResult(writer))
-            callback(writer.toString())
-        }
-
-        closed = true
-    }
-}

revanced-patcher/src/main/kotlin/app/revanced/patcher/Patcher.kt

@@ -1,222 +0,0 @@
-package app.revanced.patcher
-
-import app.revanced.patcher.apk.Apk
-import app.revanced.patcher.extensions.PatchExtensions.dependencies
-import app.revanced.patcher.extensions.PatchExtensions.patchName
-import app.revanced.patcher.extensions.PatchExtensions.requiresIntegrations
-import app.revanced.patcher.fingerprint.method.impl.MethodFingerprint
-import app.revanced.patcher.fingerprint.method.impl.MethodFingerprint.Companion.resolveUsingLookupMap
-import app.revanced.patcher.patch.*
-import app.revanced.patcher.util.VersionReader
-import kotlinx.coroutines.flow.Flow
-import kotlinx.coroutines.flow.flow
-import lanchon.multidexlib2.BasicDexFileNamer
-import java.io.Closeable
-import java.io.File
-import java.util.function.Function
-
-typealias ExecutedPatchResults = Flow<Pair<String, PatchException?>>
-
-/**
- * The ReVanced Patcher.
- * @param options The options for the patcher.
- * @param patches The patches to use.
- * @param integrations The integrations to merge if necessary. Must be dex files or dex file container such as ZIP, APK or DEX files.
- */
-class Patcher(private val options: PatcherOptions, patches: Iterable<PatchClass>, integrations: Iterable<File>) :
-    Function<Boolean, ExecutedPatchResults> {
-    private val context = PatcherContext(options, patches.toList(), integrations)
-    private val logger = options.logger
-
-    companion object {
-        /**
-         * The version of the ReVanced Patcher.
-         */
-        @JvmStatic
-        val version = VersionReader.read()
-
-        @Suppress("SpellCheckingInspection")
-        internal val dexFileNamer = BasicDexFileNamer()
-    }
-
-    init {
-        /**
-         * Returns true if at least one patches or its dependencies matches the given predicate.
-         */
-        fun PatchClass.anyRecursively(predicate: (PatchClass) -> Boolean): Boolean =
-            predicate(this) || dependencies?.any { it.java.anyRecursively(predicate) } == true
-
-        // Determine if merging integrations is required.
-        for (patch in context.patches) {
-            if (patch.anyRecursively { it.requiresIntegrations }) {
-                context.integrations.merge = true
-                break
-            }
-        }
-    }
-
-    /**
-     * Execute the patcher.
-     *
-     * @param stopOnError If true, the patches will stop on the first error.
-     * @return A pair of the name of the [Patch] and a [PatchException] if it failed.
-     */
-    override fun apply(stopOnError: Boolean) = flow {
-        /**
-         * Execute a [Patch] and its dependencies recursively.
-         *
-         * @param patchClass The [Patch] to execute.
-         * @param executedPatches A map of [Patch]es paired to a boolean indicating their success, to prevent infinite recursion.
-         */
-        suspend fun executePatch(
-            patchClass: PatchClass,
-            executedPatches: HashMap<String, ExecutedPatch>
-        ) {
-            val patchName = patchClass.patchName
-
-            // If the patch has already executed silently skip it.
-            if (executedPatches.contains(patchName)) {
-                if (!executedPatches[patchName]!!.success)
-                    throw PatchException("'$patchName' did not succeed previously")
-
-                logger.trace("Skipping '$patchName' because it has already been executed")
-
-                return
-            }
-
-            // Recursively execute all dependency patches.
-            patchClass.dependencies?.forEach { dependencyClass ->
-                val dependency = dependencyClass.java
-
-                try {
-                    executePatch(dependency, executedPatches)
-                } catch (throwable: Throwable) {
-                    throw PatchException(
-                        "'$patchName' depends on '${dependency.patchName}' " +
-                                "but the following exception was raised: ${throwable.cause?.stackTraceToString() ?: throwable.message}",
-                        throwable
-                    )
-                }
-            }
-
-            val isResourcePatch = ResourcePatch::class.java.isAssignableFrom(patchClass)
-            val patchInstance = patchClass.getDeclaredConstructor().newInstance()
-
-            // TODO: implement this in a more polymorphic way.
-            val patchContext = if (isResourcePatch) {
-                context.resourceContext
-            } else {
-                context.bytecodeContext.apply {
-                    val bytecodePatch = patchInstance as BytecodePatch
-                    bytecodePatch.fingerprints?.resolveUsingLookupMap(context.bytecodeContext)
-                }
-            }
-
-            logger.trace("Executing '$patchName' of type: ${if (isResourcePatch) "resource" else "bytecode"}")
-
-            var success = false
-            try {
-                patchInstance.execute(patchContext)
-
-                success = true
-            } catch (patchException: PatchException) {
-                throw patchException
-            } catch (throwable: Throwable) {
-                throw PatchException("Unhandled patch exception: ${throwable.message}", throwable)
-            } finally {
-                executedPatches[patchName] = ExecutedPatch(patchInstance, success)
-            }
-        }
-
-        if (context.integrations.merge) context.integrations.merge(logger)
-
-        logger.trace("Initialize lookup maps for method MethodFingerprint resolution")
-
-        MethodFingerprint.initializeFingerprintResolutionLookupMaps(context.bytecodeContext)
-
-        logger.info("Executing patches")
-
-        // Key is patch name.
-        LinkedHashMap<String, ExecutedPatch>().apply {
-            context.patches.forEach { patch ->
-                var exception: PatchException? = null
-
-                try {
-                    executePatch(patch, this)
-                } catch (patchException: PatchException) {
-                    exception = patchException
-                }
-
-                // TODO: only emit if the patch is not a closeable.
-                //  If it is a closeable, this should be done when closing the patch.
-                emit(patch.patchName to exception)
-
-                if (stopOnError && exception != null) return@flow
-            }
-        }.let {
-            it.values
-                .filter(ExecutedPatch::success)
-                .map(ExecutedPatch::patchInstance)
-                .filterIsInstance(Closeable::class.java)
-                .asReversed().forEach { patch ->
-                    try {
-                        patch.close()
-                    } catch (throwable: Throwable) {
-                        val patchException =
-                            if (throwable is PatchException) throwable
-                            else PatchException(throwable)
-
-                        val patchName = (patch as Patch<Context>).javaClass.patchName
-
-                        logger.error("Failed to close '$patchName': ${patchException.stackTraceToString()}")
-
-                        emit(patchName to patchException)
-
-                        // This is not failsafe. If a patch throws an exception while closing,
-                        // the other patches that depend on it may fail.
-                        if (stopOnError) return@flow
-                    }
-                }
-        }
-
-        MethodFingerprint.clearFingerprintResolutionLookupMaps()
-    }
-
-    /**
-     * Finish patching all [Apk]s.
-     *
-     * @return The [PatcherResult] of the [Patcher].
-     */
-    fun finish(): PatcherResult {
-        val patchResults = buildList {
-            logger.info("Processing patched apks")
-            options.apkBundle.cleanup(options).forEach { result ->
-                if (result.exception != null) {
-                    logger.error("Got exception while processing ${result.apk}: ${result.exception.stackTraceToString()}")
-                    return@forEach
-                }
-
-                val patch = result.let {
-                    when (it.apk) {
-                        is Apk.Base -> PatcherResult.Patch.Base(it.apk)
-                        is Apk.Split -> PatcherResult.Patch.Split(it.apk)
-                    }
-                }
-
-                add(patch)
-
-                logger.info("Patched ${result.apk}")
-            }
-        }
-
-        return PatcherResult(patchResults)
-    }
-}
-
-/**
- * A result of executing a [Patch].
- *
- * @param patchInstance The instance of the [Patch] that was executed.
- * @param success The result of the [Patch].
- */
-internal data class ExecutedPatch(val patchInstance: Patch<Context>, val success: Boolean)

revanced-patcher/src/main/kotlin/app/revanced/patcher/PatcherContext.kt

@@ -1,55 +0,0 @@
-package app.revanced.patcher
-
-import app.revanced.patcher.logging.Logger
-import app.revanced.patcher.patch.PatchClass
-import app.revanced.patcher.util.ClassMerger.merge
-import lanchon.multidexlib2.MultiDexIO
-import java.io.File
-
-class PatcherContext(
-    options: PatcherOptions,
-    internal val patches: List<PatchClass>,
-    integrations: Iterable<File>
-) {
-    internal val integrations = Integrations(this, integrations)
-    internal val bytecodeContext = BytecodeContext(options.apkBundle)
-    internal val resourceContext = ResourceContext(options.apkBundle)
-
-    internal class Integrations(val context: PatcherContext, private val dexContainers: Iterable<File>) {
-        var merge = false
-
-        /**
-         * Merge integrations.
-         * @param logger A logger.
-         */
-        fun merge(logger: Logger) {
-            context.bytecodeContext.classes.apply {
-                for (integrations in dexContainers) {
-                    logger.info("Merging $integrations")
-
-                    for (classDef in MultiDexIO.readDexFile(true, integrations, Patcher.dexFileNamer, null, null).classes) {
-                        val type = classDef.type
-
-                        val existingClassIndex = this.indexOfFirst { it.type == type }
-                        if (existingClassIndex == -1) {
-                            logger.trace("Merging type $type")
-                            add(classDef)
-                            continue
-                        }
-
-
-                        logger.trace("Type $type exists. Adding missing methods and fields.")
-
-                        get(existingClassIndex).apply {
-                            merge(classDef, context.bytecodeContext, logger).let { mergedClass ->
-                                if (mergedClass !== this) // referential equality check
-                                    set(existingClassIndex, mergedClass)
-                            }
-                        }
-
-                    }
-                }
-            }
-        }
-    }
-}

revanced-patcher/src/main/kotlin/app/revanced/patcher/PatcherOptions.kt

@@ -1,14 +0,0 @@
-package app.revanced.patcher
-
-import app.revanced.patcher.apk.ApkBundle
-import app.revanced.patcher.logging.Logger
-
-/**
- * Options for the [Patcher].
- * @param apkBundle The [ApkBundle].
- * @param logger Custom logger implementation for the [Patcher].
- */
-class PatcherOptions(
-    internal val apkBundle: ApkBundle,
-    internal val logger: Logger = Logger.Nop
-)

revanced-patcher/src/main/kotlin/app/revanced/patcher/PatcherResult.kt

@@ -1,33 +0,0 @@
-package app.revanced.patcher
-
-import app.revanced.patcher.apk.Apk
-import java.io.File
-
-/**
- * The result of a patcher.
- * @param apkFiles The patched [Apk] files.
- */
-data class PatcherResult(val apkFiles: List<Patch>) {
-
-    /**
-     * The result of a patch.
-     *
-     * @param apk The patched [Apk] file.
-     */
-    sealed class Patch(val apk: Apk) {
-
-        /**
-         * The result of a patch of an [Apk.Split] file.
-         *
-         * @param apk The patched [Apk.Split] file.
-         */
-        class Split(apk: Apk.Split) : Patch(apk)
-
-        /**
-         * The result of a patch of an [Apk.Split] file.
-         *
-         * @param apk The patched [Apk.Base] file.
-         */
-        class Base(apk: Apk.Base) : Patch(apk)
-    }
-}

revanced-patcher/src/main/kotlin/app/revanced/patcher/apk/Apk.kt

@@ -1,285 +0,0 @@
-@file:Suppress("MemberVisibilityCanBePrivate")
-
-package app.revanced.patcher.apk
-
-import app.revanced.arsc.ApkResourceException
-import app.revanced.arsc.archive.Archive
-import app.revanced.patcher.Patcher
-import app.revanced.patcher.PatcherOptions
-import app.revanced.patcher.logging.asArscLogger
-import app.revanced.patcher.util.ProxyBackedClassList
-import com.reandroid.apk.ApkModule
-import com.reandroid.apk.xmlencoder.EncodeException
-import com.reandroid.archive.InputSource
-import com.reandroid.arsc.chunk.xml.AndroidManifestBlock
-import com.reandroid.arsc.value.ResConfig
-import lanchon.multidexlib2.*
-import org.jf.dexlib2.Opcodes
-import org.jf.dexlib2.dexbacked.DexBackedDexFile
-import org.jf.dexlib2.iface.DexFile
-import org.jf.dexlib2.iface.MultiDexContainer
-import org.jf.dexlib2.writer.io.MemoryDataStore
-import java.io.File
-
-/**
- * An [Apk] file.
- */
-sealed class Apk private constructor(module: ApkModule) {
-    /**
-     * A wrapper around the zip archive of this [Apk].
-     *
-     * @see Archive
-     */
-    private val archive = Archive(module)
-
-    /**
-     * The metadata of the [Apk].
-     */
-    val packageMetadata = PackageMetadata(module.androidManifestBlock)
-
-    /**
-     * Refresh updated resources and close any open files.
-     *
-     * @param options The [PatcherOptions] of the [Patcher].
-     */
-    internal open fun cleanup(options: PatcherOptions) {
-        try {
-            archive.cleanup(options.logger.asArscLogger())
-        } catch (e: EncodeException) {
-            throw ApkResourceException.Encode(e.message!!, e)
-        }
-
-        archive.mainPackageResources.refreshPackageName()
-    }
-
-    /**
-     * Write the [Apk] to a file.
-     *
-     * @param output The target file.
-     */
-    fun write(output: File) = archive.save(output)
-
-    companion object {
-        const val MANIFEST_FILE_NAME = "AndroidManifest.xml"
-
-        /**
-         * Determine the [Module] and [Type] of an [ApkModule].
-         *
-         * @return A [Pair] containing the [Module] and [Type] of the [ApkModule].
-         */
-        fun ApkModule.identify(): Pair<Module, Type> {
-            val manifestElement = androidManifestBlock.manifestElement
-            return when {
-                isBaseModule -> Module.Main to Type.Base
-                // The module is a base apk for a dynamic feature module if the "isFeatureModule" attribute is set to true.
-                manifestElement.searchAttributeByName("isFeatureModule")?.valueAsBoolean == true -> Module.DynamicFeature(
-                    split
-                ) to Type.Base
-
-                else -> {
-                    val module = manifestElement.searchAttributeByName("configForSplit")
-                    ?.let { Module.DynamicFeature(it.valueAsString) } ?: Module.Main
-
-                    // Examples:
-                    // config.xhdpi
-                    // df_my_feature.config.en
-                    val config = this.split.split(".").last()
-
-                    val type = when {
-                        // Language splits have a two-letter country code.
-                        config.length == 2 -> Type.Language(config)
-                        // Library splits use the target CPU architecture.
-                        Split.Library.architectures.contains(config) -> Type.Library(config)
-                        // Asset splits use the density.
-                        ResConfig.Density.valueOf(config) != null -> Type.Asset(config)
-                        else -> throw IllegalArgumentException("Invalid split config: $config")
-                    }
-
-                    module to type
-                }
-            }
-        }
-    }
-
-    internal inner class BytecodeData {
-        private val opcodes: Opcodes
-
-        /**
-         * The classes and proxied classes of the [Base] apk file.
-         */
-        val classes: ProxyBackedClassList
-
-        init {
-            MultiDexContainerBackedDexFile(object : MultiDexContainer<DexBackedDexFile> {
-                // Load all dex files from the apk module and create a dex entry for each of them.
-                private val entries = archive.readDexFiles().associateBy { it.name }
-                    .mapValues { (name, inputSource) ->
-                        BasicDexEntry(
-                            this,
-                            name,
-                            RawDexIO.readRawDexFile(inputSource.openStream(), inputSource.length, null)
-                        )
-                    }
-
-                override fun getDexEntryNames() = entries.keys.toList()
-                override fun getEntry(entryName: String) = entries[entryName]
-            }).let {
-                opcodes = it.opcodes
-                classes = ProxyBackedClassList(it.classes)
-            }
-        }
-
-        /**
-         * Write [classes] to the archive.
-         */
-        internal fun writeDexFiles() {
-            // Create patched dex files.
-            mutableMapOf<String, MemoryDataStore>().also {
-                val newDexFile = object : DexFile {
-                    override fun getClasses() =
-                        this@BytecodeData.classes.also(ProxyBackedClassList::applyProxies).toSet()
-                    override fun getOpcodes() = this@BytecodeData.opcodes
-                }
-
-                // Write modified dex files.
-                MultiDexIO.writeDexFile(
-                    true, -1, // Core count.
-                    it, Patcher.dexFileNamer, newDexFile, DexIO.DEFAULT_MAX_DEX_POOL_SIZE, null
-                )
-            }.forEach { (name, store) ->
-                val dexFileInputSource = object : InputSource(name) {
-                    override fun openStream() = store.readAt(0)
-                }
-
-                archive.write(dexFileInputSource)
-            }
-        }
-    }
-
-    /**
-     * Metadata about an [Apk] file.
-     *
-     * @param packageName The package name of the [Apk] file.
-     * @param packageVersion The package version of the [Apk] file.
-     */
-    data class PackageMetadata(val packageName: String?, val packageVersion: String?) {
-        internal constructor(manifestBlock: AndroidManifestBlock) : this(
-            manifestBlock.packageName,
-            manifestBlock.versionName
-        )
-    }
-
-    /**
-     * An [Apk] of type [Split].
-     *
-     * @param config The device configuration associated with this [Split], such as arm64_v8a, en or xhdpi.
-     * @see Apk
-     */
-    sealed class Split(val config: String, module: ApkModule) : Apk(module) {
-        override fun toString() = "split_config.$config.apk"
-
-        /**
-         * The split apk file which contains libraries.
-         *
-         * @see Split
-         */
-        class Library internal constructor(config: String, module: ApkModule) : Split(config, module) {
-            companion object {
-                /**
-                 * A set of all architectures supported by android.
-                 */
-                val architectures = setOf("armeabi_v7a", "arm64_v8a", "x86", "x86_64")
-            }
-        }
-
-        /**
-         * The split apk file which contains language strings.
-         *
-         * @see Split
-         */
-        class Language internal constructor(config: String, module: ApkModule) : Split(config, module)
-
-        /**
-         * The split apk file which contains assets.
-         *
-         * @see Split
-         */
-        class Asset internal constructor(config: String, module: ApkModule) : Split(config, module)
-    }
-
-    /**
-     * The base [Apk] file..
-     *
-     * @see Apk
-     */
-    class Base internal constructor(module: ApkModule) : Apk(module) {
-        /**
-         * Data of the [Base] apk file.
-         */
-        internal val bytecodeData = BytecodeData()
-
-        override fun toString() = "base.apk"
-
-        override fun cleanup(options: PatcherOptions) {
-            super.cleanup(options)
-
-            options.logger.info("Writing patched dex files")
-            bytecodeData.writeDexFiles()
-        }
-    }
-
-    /**
-     * The module that the [ApkModule] belongs to.
-     */
-    sealed class Module {
-        /**
-         * The default [Module] that is always installed by software repositories.
-         */
-        object Main : Module()
-
-        /**
-         * A [Module] that can be installed later by software repositories when requested by the application.
-         *
-         * @param name The name of the feature.
-         */
-        data class DynamicFeature(val name: String) : Module()
-    }
-
-    /**
-     * The type of the [ApkModule].
-     */
-    sealed class Type {
-        /**
-         * The main Apk of a [Module].
-         */
-        object Base : Type()
-
-        /**
-         * A superclass for all split configuration types.
-         *
-         * @param target The target device configuration.
-         */
-        sealed class SplitConfig(val target: String) : Type()
-
-        /**
-         * The [Type] of an apk containing native libraries.
-         *
-         * @param architecture The target CPU architecture.
-         */
-        data class Library(val architecture: String) : SplitConfig(architecture)
-
-        /**
-         * The [Type] for an Apk containing language resources.
-         *
-         * @param language The target language code.
-         */
-        data class Language(val language: String) : SplitConfig(language)
-
-        /**
-         * The [Type] for an Apk containing assets.
-         *
-         * @param pixelDensity The target screen density.
-         */
-        data class Asset(val pixelDensity: String) : SplitConfig(pixelDensity)
-    }
-}

revanced-patcher/src/main/kotlin/app/revanced/patcher/apk/ApkBundle.kt

@@ -1,105 +0,0 @@
-@file:Suppress("MemberVisibilityCanBePrivate")
-
-package app.revanced.patcher.apk
-
-import app.revanced.arsc.ApkResourceException
-import app.revanced.arsc.resource.ResourceTable
-import app.revanced.patcher.Patcher
-import app.revanced.patcher.PatcherOptions
-import app.revanced.patcher.apk.Apk.Companion.identify
-import com.reandroid.apk.ApkModule
-import java.io.File
-
-/**
- * An [Apk] file of type [Apk.Split].
- *
- * @param files A list of apk files to load.
- */
-class ApkBundle(files: List<File>) : Sequence<Apk> {
-    /**
-     * The [Apk.Base] of this [ApkBundle].
-     */
-    val base: Apk.Base
-
-    /**
-     * A map containing all the [Apk.Split]s in this bundle associated by their configuration.
-     */
-    val splits: Map<String, Apk.Split>?
-
-    init {
-        var baseApk: Apk.Base? = null
-
-        splits = buildMap {
-            files.forEach {
-                val apk = ApkModule.loadApkFile(it)
-                val (module, type) = apk.identify()
-                if (module is Apk.Module.DynamicFeature) {
-                    return@forEach // Dynamic feature modules are not supported yet.
-                }
-
-                when (type) {
-                    Apk.Type.Base -> {
-                        if (baseApk != null) {
-                            throw IllegalArgumentException("Cannot have more than one base apk")
-                        }
-                        baseApk = Apk.Base(apk)
-                    }
-
-                    is Apk.Type.SplitConfig -> {
-                        val target = type.target
-                        if (this.contains(target)) {
-                            throw IllegalArgumentException("Duplicate split: $target")
-                        }
-
-                        val constructor = when (type) {
-                            is Apk.Type.Asset -> Apk.Split::Asset
-                            is Apk.Type.Library -> Apk.Split::Library
-                            is Apk.Type.Language -> Apk.Split::Language
-                        }
-
-                        this[target] = constructor(target, apk)
-                    }
-                }
-            }
-        }.takeIf { it.isNotEmpty() }
-
-        base = baseApk ?: throw IllegalArgumentException("Base apk not found")
-    }
-
-    /**
-     * The [ResourceTable] of this [ApkBundle].
-     */
-    val resources = ResourceTable(base.resources, map { it.resources })
-
-    override fun iterator() = sequence {
-        yield(base)
-        splits?.values?.let {
-            yieldAll(it)
-        }
-    }.iterator()
-
-    /**
-     * Refresh all updated resources in an [ApkBundle].
-     *
-     * @param options The [PatcherOptions] of the [Patcher].
-     * @return A sequence of the [Apk] files which are being refreshed.
-     */
-    internal fun cleanup(options: PatcherOptions) = map {
-        var exception: ApkResourceException? = null
-        try {
-            it.cleanup(options)
-        } catch (e: ApkResourceException) {
-            exception = e
-        }
-
-        SplitApkResult(it, exception)
-    }
-
-    /**
-     * The result of writing an [Apk] file.
-     *
-     * @param apk The corresponding [Apk] file.
-     * @param exception The optional [ApkResourceException] when an exception occurred.
-     */
-    data class SplitApkResult(val apk: Apk, val exception: ApkResourceException? = null)
-}

revanced-patcher/src/main/kotlin/app/revanced/patcher/logging/Logger.kt

@@ -1,20 +0,0 @@
-package app.revanced.patcher.logging
-
-interface Logger {
-    fun error(msg: String) {}
-    fun warn(msg: String) {}
-    fun info(msg: String) {}
-    fun trace(msg: String) {}
-
-    object Nop : Logger
-}
-
-/**
- * Turn a Patcher [Logger] into an [app.revanced.arsc.logging.Logger].
- */
-internal fun Logger.asArscLogger() = object : app.revanced.arsc.logging.Logger {
-    override fun error(msg: String) = this@asArscLogger.error(msg)
-    override fun warn(msg: String) = this@asArscLogger.warn(msg)
-    override fun info(msg: String) = this@asArscLogger.info(msg)
-    override fun trace(msg: String) = this@asArscLogger.error(msg)
-}

revanced-patcher/src/main/kotlin/app/revanced/patcher/util/ListBackedSet.kt

@@ -1,15 +0,0 @@
-package app.revanced.patcher.util
-
-internal class ListBackedSet<E>(private val list: MutableList<E>) : MutableSet<E> {
-    override val size get() = list.size
-    override fun add(element: E) = list.add(element)
-    override fun addAll(elements: Collection<E>) = list.addAll(elements)
-    override fun clear() = list.clear()
-    override fun iterator() = list.listIterator()
-    override fun remove(element: E) = list.remove(element)
-    override fun removeAll(elements: Collection<E>) = list.removeAll(elements)
-    override fun retainAll(elements: Collection<E>) = list.retainAll(elements)
-    override fun contains(element: E) = list.contains(element)
-    override fun containsAll(elements: Collection<E>) = list.containsAll(elements)
-    override fun isEmpty() = list.isEmpty()
-}

revanced-patcher/src/main/kotlin/app/revanced/patcher/util/ProxyBackedClassList.kt

@@ -1,89 +0,0 @@
-package app.revanced.patcher.util
-
-import app.revanced.patcher.util.proxy.ClassProxy
-import org.jf.dexlib2.iface.ClassDef
-
-/**
- * A class that represents a list of classes and proxies.
- *
- * @param classes The classes to be backed by proxies.
- */
-class ProxyBackedClassList(classes: Set<ClassDef>) : Iterable<ClassDef> {
-    // A list for pending proxied classes to be added to the current ProxyBackedClassList instance.
-    private val proxiedClasses = mutableListOf<ClassProxy>()
-    private val mutableClasses = classes.toMutableList()
-
-    /**
-     * Replace the [mutableClasses]es with their proxies.
-     */
-    internal fun applyProxies() {
-        proxiedClasses.removeIf { proxy ->
-            // If the proxy is unused, keep it in the proxiedClasses list.
-            if (!proxy.resolved) return@removeIf false
-
-            with(mutableClasses) {
-                remove(proxy.immutableClass)
-                add(proxy.mutableClass)
-            }
-
-            return@removeIf true
-        }
-    }
-
-    /**
-     * Replace a [ClassDef] at a given [index].
-     *
-     * @param index The index of the class to be replaced.
-     * @param classDef The new class to replace the old one.
-     */
-    operator fun set(index: Int, classDef: ClassDef) {
-        mutableClasses[index] = classDef
-    }
-
-    /**
-     * Get a [ClassDef] at a given [index].
-     *
-     * @param index The index of the class.
-     */
-    operator fun get(index: Int) = mutableClasses[index]
-
-    /**
-     * Iterator for the classes in [ProxyBackedClassList].
-     *
-     * @return The iterator for the classes.
-     */
-    override fun iterator() = mutableClasses.iterator()
-
-    /**
-     * Proxy a [ClassDef].
-     *
-     * Note: This creates a [ClassProxy] of the [ClassDef], if not already present.
-     *
-     * @return A proxy for the given class.
-     */
-    fun proxy(classDef: ClassDef) = proxiedClasses
-        .find { it.immutableClass.type == classDef.type } ?: ClassProxy(classDef).also(proxiedClasses::add)
-
-    /**
-     * Add a [ClassDef].
-     */
-    fun add(classDef: ClassDef) = mutableClasses.add(classDef)
-
-    /**
-     * Find a class by a given class name.
-     *
-     * @param className The name of the class.
-     * @return A proxy for the first class that matches the class name.
-     */
-    fun findClassProxied(className: String) = findClassProxied { it.type.contains(className) }
-
-    /**
-     * Find a class by a given predicate.
-     *
-     * @param predicate A predicate to match the class.
-     * @return A proxy for the first class that matches the predicate.
-     */
-    fun findClassProxied(predicate: (ClassDef) -> Boolean) = this.find(predicate)?.let(::proxy)
-
-    val size get() = mutableClasses.size
-}

revanced-patcher/src/main/kotlin/app/revanced/patcher/util/TypeUtil.kt

@@ -1,19 +0,0 @@
-package app.revanced.patcher.util
-
-import app.revanced.patcher.BytecodeContext
-import app.revanced.patcher.util.proxy.mutableTypes.MutableClass
-
-object TypeUtil {
-    /**
-     * Traverse the class hierarchy starting from the given root class.
-     *
-     * @param targetClass The class to start traversing the class hierarchy from.
-     * @param callback The function that is called for every class in the hierarchy.
-     */
-    fun BytecodeContext.traverseClassHierarchy(targetClass: MutableClass, callback: MutableClass.() -> Unit) {
-        callback(targetClass)
-        this.classes.findClassProxied(targetClass.superclass ?: return)?.mutableClass?.let {
-            traverseClassHierarchy(it, callback)
-        }
-    }
-}

revanced-patcher/src/main/kotlin/app/revanced/patcher/util/VersionReader.kt

@@ -1,19 +0,0 @@
-package app.revanced.patcher.util
-
-import java.util.*
-
-@Deprecated("This class serves no purpose anymore")
-internal object VersionReader {
-    @JvmStatic
-    private val properties = Properties().apply {
-        load(
-            VersionReader::class.java.getResourceAsStream("/app/revanced/patcher/version.properties")
-                ?: throw IllegalStateException("Could not load version.properties")
-        )
-    }
-
-    @JvmStatic
-    fun read(): String {
-        return properties.getProperty("version") ?: throw IllegalStateException("Version not found")
-    }
-}

revanced-patcher/src/main/kotlin/app/revanced/patcher/util/patch/PatchBundle.kt

@@ -1,59 +0,0 @@
-@file:Suppress("unused")
-
-package app.revanced.patcher.util.patch
-
-import app.revanced.patcher.extensions.AnnotationExtensions.findAnnotationRecursively
-import app.revanced.patcher.patch.Patch
-import app.revanced.patcher.patch.PatchClass
-import dalvik.system.PathClassLoader
-import org.jf.dexlib2.DexFileFactory
-import java.io.File
-import java.net.URLClassLoader
-import java.util.jar.JarFile
-import kotlin.streams.toList
-
-/**
- * A patch bundle.
- *
- * @param fromClasses The classes to get [Patch]es from.
- */
-sealed class PatchBundle private constructor(fromClasses: Iterable<Class<*>>) : Iterable<PatchClass> {
-    private val patches = fromClasses.filter {
-        if (it.isAnnotation) return@filter false
-
-        it.findAnnotationRecursively(app.revanced.patcher.patch.annotations.Patch::class) != null
-    }.map {
-        @Suppress("UNCHECKED_CAST")
-        it as PatchClass
-    }
-
-    override fun iterator() = patches.iterator()
-
-    /**
-     * A patch bundle of type [Jar].
-     *
-     * @param patchBundlePath The path to a patch bundle.
-     */
-    class Jar(private val patchBundlePath: File) : PatchBundle(
-        with(URLClassLoader(arrayOf(patchBundlePath.toURI().toURL()), PatchBundle::class.java.classLoader)) {
-            JarFile(patchBundlePath).stream().filter { it.name.endsWith(".class") }.map {
-                loadClass(
-                    it.realName.replace('/', '.').replace(".class", "")
-                )
-            }.toList()
-        }
-    )
-
-    /**
-     * A patch bundle of type [Dex] format.
-     *
-     * @param patchBundlePath The path to a patch bundle of dex format.
-     */
-    class Dex(private val patchBundlePath: File) : PatchBundle(
-        with(PathClassLoader(patchBundlePath.absolutePath, null, PatchBundle::class.java.classLoader)) {
-            DexFileFactory.loadDexFile(patchBundlePath, null).classes.map { classDef ->
-                classDef.type.substring(1, classDef.length - 1).replace('/', '.')
-            }.map { loadClass(it) }
-        }
-    )
-}

settings.gradle.kts

@@ -1,28 +1,22 @@
-pluginManagement {
+val githubUsername: String = providers.gradleProperty("gpr.user").orNull ?: System.getenv("GITHUB_ACTOR")
-    repositories {
+val githubPassword: String = providers.gradleProperty("gpr.key").orNull ?: System.getenv("GITHUB_TOKEN")
-        mavenCentral()
-        maven {
-            url = uri("https://maven.pkg.github.com/revanced/multidexlib2")
-            credentials {
-                username = providers.gradleProperty("gpr.user").orNull ?: System.getenv("GITHUB_ACTOR")
-                password = providers.gradleProperty("gpr.key").orNull ?: System.getenv("GITHUB_TOKEN")
-            }
-        }
-    }
-}
 
 dependencyResolutionManagement {
     repositoriesMode.set(RepositoriesMode.FAIL_ON_PROJECT_REPOS)
     repositories {
         mavenCentral()
-        maven {
+        google()
-            url = uri("https://maven.pkg.github.com/revanced/multidexlib2")
+        mavenLocal()
-            credentials {
+        listOf("multidexlib2", "apktool").forEach { repo ->
-                username = providers.gradleProperty("gpr.user").orNull ?: System.getenv("GITHUB_ACTOR")
+            maven {
-                password = providers.gradleProperty("gpr.key").orNull ?: System.getenv("GITHUB_TOKEN")
+                url = uri("https://maven.pkg.github.com/revanced/$repo")
+                credentials {
+                    username = githubUsername
+                    password = githubPassword
+                }
             }
         }
     }
 }
 
-include("revanced-patcher", "arsclib-utils")
+rootProject.name = "revanced-patcher"

src/main/kotlin/app/revanced/patcher/IntegrationsConsumer.kt

@@ -0,0 +1,8 @@
+package app.revanced.patcher
+
+import java.io.File
+
+@FunctionalInterface
+interface IntegrationsConsumer {
+    fun acceptIntegrations(integrations: List<File>)
+}

src/main/kotlin/app/revanced/patcher/PackageMetadata.kt

@@ -0,0 +1,14 @@
+package app.revanced.patcher
+
+import brut.androlib.apk.ApkInfo
+
+/**
+ * Metadata about a package.
+ */
+class PackageMetadata internal constructor(internal val apkInfo: ApkInfo) {
+    lateinit var packageName: String
+        internal set
+
+    lateinit var packageVersion: String
+        internal set
+}

src/main/kotlin/app/revanced/patcher/PatchBundleLoader.kt

@@ -0,0 +1,74 @@
+@file:Suppress("unused")
+
+package app.revanced.patcher
+
+import app.revanced.patcher.extensions.AnnotationExtensions.findAnnotationRecursively
+import app.revanced.patcher.extensions.PatchExtensions.patchName
+import app.revanced.patcher.patch.Patch
+import app.revanced.patcher.patch.PatchClass
+import dalvik.system.DexClassLoader
+import lanchon.multidexlib2.BasicDexFileNamer
+import lanchon.multidexlib2.MultiDexIO
+import java.io.File
+import java.net.URLClassLoader
+import java.util.jar.JarFile
+
+/**
+ * A patch bundle.
+ *
+ * @param fromClasses The classes to get [Patch]es from.
+ */
+sealed class PatchBundleLoader private constructor(
+    fromClasses: Iterable<Class<*>>
+) : MutableList<PatchClass> by mutableListOf() {
+    init {
+        fromClasses.filter {
+            if (it.isAnnotation) return@filter false
+
+            it.findAnnotationRecursively(app.revanced.patcher.patch.annotations.Patch::class) != null
+        }.map {
+            @Suppress("UNCHECKED_CAST")
+            it as PatchClass
+        }.sortedBy {
+            it.patchName
+        }.let { addAll(it) }
+    }
+
+    /**
+     * A [PatchBundleLoader] for JAR files.
+     *
+     * @param patchBundles The path to patch bundles of JAR format.
+     */
+    class Jar(vararg patchBundles: File) :
+        PatchBundleLoader(with(URLClassLoader(patchBundles.map { it.toURI().toURL() }.toTypedArray())) {
+            patchBundles.flatMap { patchBundle ->
+                // Get the names of all classes in the DEX file.
+
+                JarFile(patchBundle).entries().asSequence()
+                    .filter { it.name.endsWith(".class") }
+                    .map { it.name.replace('/', '.').replace(".class", "") }
+                    .map { loadClass(it) }
+            }
+        })
+
+    /**
+     * A [PatchBundleLoader] for [Dex] files.
+     *
+     * @param patchBundles The path to patch bundles of DEX format.
+     */
+    class Dex(vararg patchBundles: File) : PatchBundleLoader(with(
+        DexClassLoader(
+            patchBundles.joinToString(File.pathSeparator) { it.absolutePath },
+            null,
+            null,
+            PatchBundleLoader::class.java.classLoader
+        )
+    ) {
+        patchBundles
+            .flatMap {
+                MultiDexIO.readDexFile(true, it, BasicDexFileNamer(), null, null).classes
+            }
+            .map { classDef -> classDef.type.substring(1, classDef.length - 1) }
+            .map { loadClass(it) }
+    })
+}

src/main/kotlin/app/revanced/patcher/PatchExecutorFunction.kt

@@ -0,0 +1,8 @@
+package app.revanced.patcher
+
+import app.revanced.patcher.patch.PatchResult
+import kotlinx.coroutines.flow.Flow
+import java.util.function.Function
+
+@FunctionalInterface
+interface PatchExecutorFunction : Function<Boolean, Flow<PatchResult>>

src/main/kotlin/app/revanced/patcher/Patcher.kt

@@ -0,0 +1,236 @@
+package app.revanced.patcher
+
+import app.revanced.patcher.data.Context
+import app.revanced.patcher.data.ResourceContext
+import app.revanced.patcher.extensions.AnnotationExtensions.findAnnotationRecursively
+import app.revanced.patcher.extensions.PatchExtensions.dependencies
+import app.revanced.patcher.extensions.PatchExtensions.patchName
+import app.revanced.patcher.extensions.PatchExtensions.requiresIntegrations
+import app.revanced.patcher.fingerprint.method.impl.MethodFingerprint
+import app.revanced.patcher.fingerprint.method.impl.MethodFingerprint.Companion.resolveUsingLookupMap
+import app.revanced.patcher.patch.*
+import kotlinx.coroutines.flow.flow
+import java.io.Closeable
+import java.io.File
+import java.util.function.Supplier
+import java.util.logging.Level
+import java.util.logging.LogManager
+import java.util.logging.Logger
+
+/**
+ * ReVanced Patcher.
+ *
+ * @param options The options for the patcher.
+ */
+class Patcher(
+    private val options: PatcherOptions
+) : PatchExecutorFunction, PatchesConsumer, IntegrationsConsumer, Supplier<PatcherResult>, Closeable {
+    private val logger = Logger.getLogger(Patcher::class.java.name)
+
+    /**
+     * The context of ReVanced [Patcher].
+     * This holds the current state of the patcher.
+     */
+    val context = PatcherContext(options)
+
+    init {
+        LogManager.getLogManager().let { manager ->
+            // Disable root logger.
+            manager.getLogger("").level = Level.OFF
+
+            // Enable ReVanced logging only.
+            manager.loggerNames
+                .toList()
+                .filter { it.startsWith("app.revanced") }
+                .map { manager.getLogger(it) }
+                .forEach { it.level = Level.INFO }
+        }
+
+        context.resourceContext.decodeResources(ResourceContext.ResourceDecodingMode.MANIFEST_ONLY)
+    }
+
+    override fun acceptPatches(patches: List<PatchClass>) {
+        /**
+         * Returns true if at least one patches or its dependencies matches the given predicate.
+         */
+        fun PatchClass.anyRecursively(predicate: (PatchClass) -> Boolean): Boolean =
+            predicate(this) || dependencies?.any { dependency ->
+                dependency.java.anyRecursively(predicate)
+            } ?: false
+
+        // Determine if resource patching is required.
+        for (patch in patches) {
+            if (patch.anyRecursively { ResourcePatch::class.java.isAssignableFrom(it) }) {
+                options.resourceDecodingMode = ResourceContext.ResourceDecodingMode.FULL
+                break
+            }
+        }
+
+        // Determine if merging integrations is required.
+        for (patch in patches) {
+            if (patch.anyRecursively { it.requiresIntegrations }) {
+                context.bytecodeContext.integrations.merge = true
+                break
+            }
+        }
+
+        context.patches.addAll(patches)
+    }
+
+    /**
+     * Add integrations to the [Patcher].
+     *
+     * @param integrations The integrations to add. Must be a DEX file or container of DEX files.
+     */
+    override fun acceptIntegrations(integrations: List<File>) {
+        context.bytecodeContext.integrations.addAll(integrations)
+    }
+
+    /**
+     * Execute [Patch]es that were added to ReVanced [Patcher].
+     *
+     * @param returnOnError If true, ReVanced [Patcher] will return immediately if a [Patch] fails.
+     * @return A pair of the name of the [Patch] and its [PatchResult].
+     */
+    override fun apply(returnOnError: Boolean) = flow {
+        class ExecutedPatch(val patchInstance: Patch<Context<*>>, val patchResult: PatchResult)
+
+        /**
+         * Execute a [Patch] and its dependencies recursively.
+         *
+         * @param patchClass The [Patch] to execute.
+         * @param executedPatches A map to prevent [Patch]es from being executed twice due to dependencies.
+         * @return The result of executing the [Patch].
+         */
+        fun executePatch(
+            patchClass: PatchClass,
+            executedPatches: LinkedHashMap<String, ExecutedPatch>
+        ): PatchResult {
+            val patchName = patchClass.patchName
+
+            executedPatches[patchName]?.let { executedPatch ->
+                executedPatch.patchResult.exception ?: return executedPatch.patchResult
+
+                // Return a new result with an exception indicating that the patch was not executed previously,
+                // because it is a dependency of another patch that failed.
+                return PatchResult(patchName, PatchException("'$patchName' did not succeed previously"))
+            }
+
+            // Recursively execute all dependency patches.
+            patchClass.dependencies?.forEach { dependencyClass ->
+                val dependency = dependencyClass.java
+
+                val result = executePatch(dependency, executedPatches)
+
+                result.exception?.let {
+                    return PatchResult(
+                        patchName,
+                        PatchException(
+                            "'$patchName' depends on '${dependency.patchName}' that raised an exception: $it"
+                        )
+                    )
+                }
+            }
+
+            // TODO: Implement this in a more polymorphic way.
+            val patchInstance = patchClass.getDeclaredConstructor().newInstance()
+
+            val patchContext = if (patchInstance is BytecodePatch) {
+                patchInstance.fingerprints?.resolveUsingLookupMap(context.bytecodeContext)
+
+                context.bytecodeContext
+            } else {
+                context.resourceContext
+            }
+
+            return try {
+                patchInstance.execute(patchContext)
+
+                PatchResult(patchName)
+            } catch (exception: PatchException) {
+                PatchResult(patchName, exception)
+            } catch (exception: Exception) {
+                PatchResult(patchName, PatchException(exception))
+            }.also { executedPatches[patchName] = ExecutedPatch(patchInstance, it) }
+        }
+
+        if (context.bytecodeContext.integrations.merge) context.bytecodeContext.integrations.flush()
+
+        MethodFingerprint.initializeFingerprintResolutionLookupMaps(context.bytecodeContext)
+
+        // Prevent from decoding the app manifest twice if it is not needed.
+        if (options.resourceDecodingMode == ResourceContext.ResourceDecodingMode.FULL)
+            context.resourceContext.decodeResources(ResourceContext.ResourceDecodingMode.FULL)
+
+        logger.info("Executing patches")
+
+        val executedPatches = LinkedHashMap<String, ExecutedPatch>() // Key is name.
+
+        context.patches.forEach { patch ->
+            val result = executePatch(patch, executedPatches)
+
+            // If the patch failed, or if the patch is not closeable, emit the result.
+            // Results of patches that are closeable will be emitted later.
+            result.exception?.let {
+                emit(result)
+
+                if (returnOnError) return@flow
+            } ?: run {
+                if (executedPatches[result.patchName]!!.patchInstance is Closeable) return@run
+
+                emit(result)
+            }
+        }
+
+        executedPatches.values
+            .filter { it.patchResult.exception == null }
+            .filter { it.patchInstance is Closeable }.asReversed().forEach { executedPatch ->
+                val patchName = executedPatch.patchResult.patchName
+
+                val result = try {
+                    (executedPatch.patchInstance as Closeable).close()
+
+                    executedPatch.patchResult
+                } catch (exception: PatchException) {
+                    PatchResult(patchName, exception)
+                } catch (exception: Exception) {
+                    PatchResult(patchName, PatchException(exception))
+                }
+
+                result.exception?.let {
+                    emit(
+                        PatchResult(
+                            patchName,
+                            PatchException("'$patchName' raised an exception while being closed: $it")
+                        )
+                    )
+
+                    if (returnOnError) return@flow
+                } ?: run {
+                    executedPatch
+                        .patchInstance::class
+                        .java
+                        .findAnnotationRecursively(app.revanced.patcher.patch.annotations.Patch::class)
+                        ?: return@run
+
+                    emit(result)
+                }
+            }
+    }
+
+    override fun close() {
+        MethodFingerprint.clearFingerprintResolutionLookupMaps()
+    }
+
+    /**
+     * Compile and save the patched APK file.
+     *
+     * @return The [PatcherResult] containing the patched input files.
+     */
+    override fun get() = PatcherResult(
+        context.bytecodeContext.get(),
+        context.resourceContext.get(),
+        context.packageMetadata.apkInfo.doNotCompress?.toList()
+    )
+}
+

src/main/kotlin/app/revanced/patcher/PatcherContext.kt

@@ -0,0 +1,37 @@
+package app.revanced.patcher
+
+import app.revanced.patcher.data.BytecodeContext
+import app.revanced.patcher.data.ResourceContext
+import app.revanced.patcher.patch.Patch
+import app.revanced.patcher.patch.PatchClass
+import brut.androlib.apk.ApkInfo
+import brut.directory.ExtFile
+
+/**
+ * A context for ReVanced [Patcher].
+ *
+ * @param options The [PatcherOptions] used to create this context.
+ */
+class PatcherContext internal constructor(options: PatcherOptions) {
+    /**
+     * [PackageMetadata] of the supplied [PatcherOptions.inputFile].
+     */
+    val packageMetadata = PackageMetadata(ApkInfo(ExtFile(options.inputFile)))
+
+    /**
+     * The list of [Patch]es to execute.
+     */
+    internal val patches = mutableListOf<PatchClass>()
+
+    /**
+     * The [ResourceContext] of this [PatcherContext].
+     * This holds the current state of the resources.
+     */
+    internal val resourceContext = ResourceContext(this, options)
+
+    /**
+     * The [BytecodeContext] of this [PatcherContext].
+     * This holds the current state of the bytecode.
+     */
+    internal val bytecodeContext = BytecodeContext(options)
+}

src/main/kotlin/app/revanced/patcher/PatcherOptions.kt

@@ -0,0 +1,73 @@
+package app.revanced.patcher
+
+import app.revanced.patcher.data.ResourceContext
+import app.revanced.patcher.logging.impl.NopLogger
+import brut.androlib.Config
+import java.io.File
+import java.util.logging.Logger
+
+/**
+ * Options for ReVanced [Patcher].
+ * @param inputFile The input file to patch.
+ * @param resourceCachePath The path to the directory to use for caching resources.
+ * @param aaptBinaryPath The path to a custom aapt binary.
+ * @param frameworkFileDirectory The path to the directory to cache the framework file in.
+ * @param unusedLogger The logger to use for logging.
+ */
+data class PatcherOptions
+@Deprecated("Use the constructor without the logger parameter instead")
+constructor(
+    internal val inputFile: File,
+    internal val resourceCachePath: File = File("revanced-resource-cache"),
+    internal val aaptBinaryPath: String? = null,
+    internal val frameworkFileDirectory: String? = null,
+    internal val unusedLogger: app.revanced.patcher.logging.Logger = NopLogger
+) {
+    private val logger = Logger.getLogger(PatcherOptions::class.java.name)
+
+    /**
+     * The mode to use for resource decoding.
+     * @see ResourceContext.ResourceDecodingMode
+     */
+    internal var resourceDecodingMode = ResourceContext.ResourceDecodingMode.MANIFEST_ONLY
+
+    /**
+     * The configuration to use for resource decoding and compiling.
+     */
+    internal val resourceConfig = Config.getDefaultConfig().apply {
+        useAapt2 = true
+        aaptPath = aaptBinaryPath ?: ""
+        frameworkDirectory = frameworkFileDirectory
+    }
+
+    /**
+     * Options for ReVanced [Patcher].
+     * @param inputFile The input file to patch.
+     * @param resourceCachePath The path to the directory to use for caching resources.
+     * @param aaptBinaryPath The path to a custom aapt binary.
+     * @param frameworkFileDirectory The path to the directory to cache the framework file in.
+     */
+    constructor(
+        inputFile: File,
+        resourceCachePath: File = File("revanced-resource-cache"),
+        aaptBinaryPath: String? = null,
+        frameworkFileDirectory: String? = null,
+    ) : this(
+        inputFile,
+        resourceCachePath,
+        aaptBinaryPath,
+        frameworkFileDirectory,
+        NopLogger
+    )
+
+    fun recreateResourceCacheDirectory() = resourceCachePath.also {
+        if (it.exists()) {
+            logger.info("Deleting existing resource cache directory")
+
+            if (!it.deleteRecursively())
+                logger.severe("Failed to delete existing resource cache directory")
+        }
+
+        it.mkdirs()
+    }
+}

src/main/kotlin/app/revanced/patcher/PatcherResult.kt

@@ -0,0 +1,23 @@
+package app.revanced.patcher
+
+import java.io.File
+import java.io.InputStream
+
+/**
+ * The result of a patcher.
+ * @param dexFiles The patched dex files.
+ * @param resourceFile File containing resources that need to be extracted into the APK.
+ * @param doNotCompress List of relative paths of files to exclude from compressing.
+ */
+data class PatcherResult(
+    val dexFiles: List<PatchedDexFile>,
+    val resourceFile: File?,
+    val doNotCompress: List<String>? = null
+) {
+    /**
+     * Wrapper for dex files.
+     * @param name The original name of the dex file.
+     * @param stream The dex file as [InputStream].
+     */
+    class PatchedDexFile(val name: String, val stream: InputStream)
+}

src/main/kotlin/app/revanced/patcher/PatchesConsumer.kt

@@ -0,0 +1,8 @@
+package app.revanced.patcher
+
+import app.revanced.patcher.patch.PatchClass
+
+@FunctionalInterface
+interface PatchesConsumer {
+    fun acceptPatches(patches: List<PatchClass>)
+}

src/main/kotlin/app/revanced/patcher/annotation/MetadataAnnotation.kt

@@ -19,14 +19,3 @@ annotation class Name(
 annotation class Description(
     val description: String,
 )
-
-
-/**
- * Annotation to version a [Patch].
- * @param version The version of a [Patch].
- */
-@Target(AnnotationTarget.CLASS)
-@Deprecated("This annotation is deprecated and will be removed in the future.")
-annotation class Version(
-    val version: String,
-)

src/main/kotlin/app/revanced/patcher/data/BytecodeContext.kt

@@ -0,0 +1,157 @@
+package app.revanced.patcher.data
+
+import app.revanced.patcher.PatcherContext
+import app.revanced.patcher.PatcherOptions
+import app.revanced.patcher.PatcherResult
+import app.revanced.patcher.patch.Patch
+import app.revanced.patcher.patch.annotations.RequiresIntegrations
+import app.revanced.patcher.util.ClassMerger.merge
+import app.revanced.patcher.util.ProxyClassList
+import app.revanced.patcher.util.method.MethodWalker
+import app.revanced.patcher.util.proxy.ClassProxy
+import com.android.tools.smali.dexlib2.Opcodes
+import com.android.tools.smali.dexlib2.iface.ClassDef
+import com.android.tools.smali.dexlib2.iface.DexFile
+import com.android.tools.smali.dexlib2.iface.Method
+import com.android.tools.smali.dexlib2.writer.io.MemoryDataStore
+import lanchon.multidexlib2.BasicDexFileNamer
+import lanchon.multidexlib2.DexIO
+import lanchon.multidexlib2.MultiDexIO
+import java.io.File
+import java.io.Flushable
+import java.util.logging.Logger
+
+/**
+ * A context for bytecode.
+ * This holds the current state of the bytecode.
+ *
+ * @param options The [PatcherOptions] used to create this context.
+ */
+class BytecodeContext internal constructor(private val options: PatcherOptions) :
+    Context<List<PatcherResult.PatchedDexFile>> {
+    private val logger = Logger.getLogger(BytecodeContext::class.java.name)
+
+    /**
+     * [Opcodes] of the supplied [PatcherOptions.inputFile].
+     */
+    internal lateinit var opcodes: Opcodes
+
+    /**
+     * The list of classes.
+     */
+    val classes by lazy {
+        ProxyClassList(
+            MultiDexIO.readDexFile(
+                true, options.inputFile, BasicDexFileNamer(), null, null
+            ).also { opcodes = it.opcodes }.classes.toMutableSet()
+        )
+    }
+
+    /**
+     * The [Integrations] of this [PatcherContext].
+     */
+    internal val integrations = Integrations()
+
+    /**
+     * Find a class by a given class name.
+     *
+     * @param className The name of the class.
+     * @return A proxy for the first class that matches the class name.
+     */
+    fun findClass(className: String) = findClass { it.type.contains(className) }
+
+    /**
+     * Find a class by a given predicate.
+     *
+     * @param predicate A predicate to match the class.
+     * @return A proxy for the first class that matches the predicate.
+     */
+    fun findClass(predicate: (ClassDef) -> Boolean) =
+        // if we already proxied the class matching the predicate...
+        classes.proxies.firstOrNull { predicate(it.immutableClass) } ?:
+        // else resolve the class to a proxy and return it, if the predicate is matching a class
+        classes.find(predicate)?.let { proxy(it) }
+
+    /**
+     * Proxy a class.
+     * This will allow the class to be modified.
+     *
+     * @param classDef The class to proxy.
+     * @return A proxy for the class.
+     */
+    fun proxy(classDef: ClassDef) = this.classes.proxies.find { it.immutableClass.type == classDef.type } ?: let {
+        ClassProxy(classDef).also { this.classes.add(it) }
+    }
+
+    /**
+     * Create a [MethodWalker] instance for the current [BytecodeContext].
+     *
+     * @param startMethod The method to start at.
+     * @return A [MethodWalker] instance.
+     */
+    fun toMethodWalker(startMethod: Method) = MethodWalker(this, startMethod)
+
+    /**
+     * The integrations of a [PatcherContext].
+     */
+    internal inner class Integrations : MutableList<File> by mutableListOf(), Flushable {
+        /**
+         * Whether to merge integrations.
+         * True when any supplied [Patch] is annotated with [RequiresIntegrations].
+         */
+        var merge = false
+
+        /**
+         * Merge integrations into the [BytecodeContext] and flush all [Integrations].
+         */
+        override fun flush() {
+            if (!merge) return
+
+            logger.info("Merging integrations")
+
+            this@Integrations.forEach { integrations ->
+                MultiDexIO.readDexFile(
+                    true,
+                    integrations, BasicDexFileNamer(),
+                    null,
+                    null
+                ).classes.forEach classDef@{ classDef ->
+                    val existingClass = classes.find { it == classDef } ?: run {
+                        logger.fine("Merging $classDef")
+                        classes.add(classDef)
+                        return@classDef
+                    }
+
+                    logger.fine("$classDef exists. Adding missing methods and fields.")
+
+                    existingClass.merge(classDef, this@BytecodeContext).let { mergedClass ->
+                        // If the class was merged, replace the original class with the merged class.
+                        if (mergedClass === existingClass) return@let
+                        classes.apply { remove(existingClass); add(mergedClass) }
+                    }
+                }
+            }
+
+            clear()
+        }
+    }
+
+    /**
+     * Compile bytecode from the [BytecodeContext].
+     *
+     * @return The compiled bytecode.
+     */
+    override fun get(): List<PatcherResult.PatchedDexFile> {
+        logger.info("Compiling modified dex files")
+
+        return mutableMapOf<String, MemoryDataStore>().apply {
+            MultiDexIO.writeDexFile(
+                true, -1, // Defaults to amount of available cores.
+                this, BasicDexFileNamer(), object : DexFile {
+                    override fun getClasses() = this@BytecodeContext.classes.also(ProxyClassList::replaceClasses)
+                    override fun getOpcodes() = this@BytecodeContext.opcodes
+                }, DexIO.DEFAULT_MAX_DEX_POOL_SIZE, null
+            )
+        }.map { PatcherResult.PatchedDexFile(it.key, it.value.readAt(0)) }
+    }
+}

src/main/kotlin/app/revanced/patcher/data/Context.kt

@@ -0,0 +1,9 @@
+package app.revanced.patcher.data
+
+import java.util.function.Supplier
+
+/**
+ * A common interface for contexts such as [ResourceContext] and [BytecodeContext].
+ */
+
+sealed interface Context<T> : Supplier<T>

src/main/kotlin/app/revanced/patcher/data/ResourceContext.kt

@@ -0,0 +1,160 @@
+package app.revanced.patcher.data
+
+import app.revanced.patcher.PatcherContext
+import app.revanced.patcher.PatcherOptions
+import app.revanced.patcher.util.DomFileEditor
+import brut.androlib.AaptInvoker
+import brut.androlib.ApkDecoder
+import brut.androlib.apk.UsesFramework
+import brut.androlib.res.Framework
+import brut.androlib.res.ResourcesDecoder
+import brut.androlib.res.decoder.AndroidManifestResourceParser
+import brut.androlib.res.decoder.XmlPullStreamDecoder
+import brut.androlib.res.xml.ResXmlPatcher
+import brut.directory.ExtFile
+import java.io.File
+import java.io.InputStream
+import java.io.OutputStream
+import java.nio.file.Files
+import java.util.logging.Logger
+
+/**
+ * A context for resources.
+ * This holds the current state of the resources.
+ *
+ * @param context The [PatcherContext] to create the context for.
+ */
+class ResourceContext internal constructor(
+    private val context: PatcherContext,
+    private val options: PatcherOptions
+) : Context<File?>, Iterable<File> {
+    private val logger = Logger.getLogger(ResourceContext::class.java.name)
+
+    val xmlEditor = XmlFileHolder()
+
+    /**
+     * Decode resources for the patcher.
+     *
+     * @param mode The [ResourceDecodingMode] to use when decoding.
+     */
+    internal fun decodeResources(mode: ResourceDecodingMode) = with(context.packageMetadata.apkInfo) {
+        // Needed to decode resources.
+        val resourcesDecoder = ResourcesDecoder(options.resourceConfig, this)
+
+        when (mode) {
+            ResourceDecodingMode.FULL -> {
+                val outDir = options.recreateResourceCacheDirectory()
+
+                logger.info("Decoding resources")
+
+                resourcesDecoder.decodeResources(outDir)
+                resourcesDecoder.decodeManifest(outDir)
+
+                // Needed to record uncompressed files.
+                val apkDecoder = ApkDecoder(options.resourceConfig, this)
+                apkDecoder.recordUncompressedFiles(resourcesDecoder.resFileMapping)
+
+                usesFramework = UsesFramework().apply {
+                    ids = resourcesDecoder.resTable.listFramePackages().map { it.id }
+                }
+            }
+
+            ResourceDecodingMode.MANIFEST_ONLY -> {
+                logger.info("Decoding app manifest")
+
+                // Decode manually instead of using resourceDecoder.decodeManifest
+                // because it does not support decoding to an OutputStream.
+                XmlPullStreamDecoder(
+                    AndroidManifestResourceParser(resourcesDecoder.resTable),
+                    resourcesDecoder.resXmlSerializer
+                ).decodeManifest(
+                    apkFile.directory.getFileInput("AndroidManifest.xml"),
+                    // Older Android versions do not support OutputStream.nullOutputStream()
+                    object : OutputStream() {
+                        override fun write(b: Int) { /* do nothing */
+                        }
+                    }
+                )
+
+                // Get the package name and version from the manifest using the XmlPullStreamDecoder.
+                // XmlPullStreamDecoder.decodeManifest() sets metadata.apkInfo.
+                context.packageMetadata.let { metadata ->
+                    metadata.packageName = resourcesDecoder.resTable.packageRenamed
+                    versionInfo.let {
+                        metadata.packageVersion = it.versionName ?: it.versionCode
+                    }
+                }
+            }
+        }
+
+    }
+
+    operator fun get(path: String) = options.resourceCachePath.resolve(path)
+
+    override fun iterator() = options.resourceCachePath.walkTopDown().iterator()
+
+
+    /**
+     * Compile resources from the [ResourceContext].
+     *
+     * @return The compiled resources.
+     */
+    override fun get(): File? {
+        var resourceFile: File? = null
+
+        if (options.resourceDecodingMode == ResourceDecodingMode.FULL) {
+            logger.info("Compiling modified resources")
+
+            val cacheDirectory = ExtFile(options.resourceCachePath)
+            val aaptFile = cacheDirectory.resolve("aapt_temp_file").also {
+                Files.deleteIfExists(it.toPath())
+            }.also { resourceFile = it }
+
+            try {
+                AaptInvoker(
+                    options.resourceConfig, context.packageMetadata.apkInfo
+                ).invokeAapt(aaptFile,
+                    cacheDirectory.resolve("AndroidManifest.xml").also {
+                        ResXmlPatcher.fixingPublicAttrsInProviderAttributes(it)
+                    },
+                    cacheDirectory.resolve("res"),
+                    null,
+                    null,
+                    context.packageMetadata.apkInfo.usesFramework.let { usesFramework ->
+                        usesFramework.ids.map { id ->
+                            Framework(options.resourceConfig).getFrameworkApk(id, usesFramework.tag)
+                        }.toTypedArray()
+                    })
+            } finally {
+                cacheDirectory.close()
+            }
+        }
+
+        return resourceFile
+    }
+
+    /**
+     * The type of decoding the resources.
+     */
+    internal enum class ResourceDecodingMode {
+        /**
+         * Decode all resources.
+         */
+        FULL,
+
+        /**
+         * Decode the manifest file only.
+         */
+        MANIFEST_ONLY,
+    }
+
+    inner class XmlFileHolder {
+        operator fun get(inputStream: InputStream) =
+            DomFileEditor(inputStream)
+
+        operator fun get(path: String): DomFileEditor {
+            return DomFileEditor(this@ResourceContext[path])
+        }
+
+    }
+}

src/main/kotlin/app/revanced/patcher/extensions/Extensions.kt

@@ -1,7 +1,7 @@
 package app.revanced.patcher.extensions
 
 import app.revanced.patcher.util.proxy.mutableTypes.MutableMethod
-import org.jf.dexlib2.AccessFlags
+import com.android.tools.smali.dexlib2.AccessFlags
 
 /**
  * Create a label for the instruction at given index.

src/main/kotlin/app/revanced/patcher/extensions/InstructionExtensions.kt

@@ -4,12 +4,12 @@ import app.revanced.patcher.util.proxy.mutableTypes.MutableMethod
 import app.revanced.patcher.util.smali.ExternalLabel
 import app.revanced.patcher.util.smali.toInstruction
 import app.revanced.patcher.util.smali.toInstructions
-import org.jf.dexlib2.builder.BuilderInstruction
+import com.android.tools.smali.dexlib2.builder.BuilderInstruction
-import org.jf.dexlib2.builder.BuilderOffsetInstruction
+import com.android.tools.smali.dexlib2.builder.BuilderOffsetInstruction
-import org.jf.dexlib2.builder.Label
+import com.android.tools.smali.dexlib2.builder.Label
-import org.jf.dexlib2.builder.MutableMethodImplementation
+import com.android.tools.smali.dexlib2.builder.MutableMethodImplementation
-import org.jf.dexlib2.builder.instruction.*
+import com.android.tools.smali.dexlib2.builder.instruction.*
-import org.jf.dexlib2.iface.instruction.Instruction
+import com.android.tools.smali.dexlib2.iface.instruction.Instruction
 
 object InstructionExtensions {
 
@@ -22,8 +22,7 @@ object InstructionExtensions {
     fun MutableMethodImplementation.addInstructions(
         index: Int,
         instructions: List<BuilderInstruction>
-    ) =
+    ) = instructions.asReversed().forEach { addInstruction(index, it) }
-        instructions.asReversed().forEach { addInstruction(index, it) }
 
     /**
      * Add instructions to a method.
@@ -321,6 +320,11 @@ object InstructionExtensions {
      * @param T The type of instruction to return.
      * @return The instruction.
      */
-    @Suppress("UNCHECKED_CAST")
     fun <T> MutableMethod.getInstruction(index: Int): T = implementation!!.getInstruction<T>(index)
+
+    /**
+     * Get the instructions of a method.
+     * @return The instructions.
+     */
+    fun MutableMethod.getInstructions(): MutableList<BuilderInstruction> = implementation!!.instructions
 }

src/main/kotlin/app/revanced/patcher/extensions/PatchExtensions.kt

@@ -3,7 +3,6 @@ package app.revanced.patcher.extensions
 import app.revanced.patcher.annotation.Compatibility
 import app.revanced.patcher.annotation.Description
 import app.revanced.patcher.annotation.Name
-import app.revanced.patcher.annotation.Version
 import app.revanced.patcher.extensions.AnnotationExtensions.findAnnotationRecursively
 import app.revanced.patcher.patch.OptionsContainer
 import app.revanced.patcher.patch.Patch
@@ -22,13 +21,6 @@ object PatchExtensions {
     val PatchClass.patchName: String
         get() = findAnnotationRecursively(Name::class)?.name ?: this.simpleName
 
-    /**
-     * The version of a [Patch].
-     */
-    @Deprecated("This property is deprecated and will be removed in the future.")
-    val PatchClass.version
-        get() = findAnnotationRecursively(Version::class)?.version
-
     /**
      * Weather or not a [Patch] should be included.
      */

src/main/kotlin/app/revanced/patcher/fingerprint/method/impl/MethodFingerprint.kt

@@ -1,19 +1,19 @@
 package app.revanced.patcher.fingerprint.method.impl
 
-import app.revanced.patcher.BytecodeContext
+import app.revanced.patcher.data.BytecodeContext
 import app.revanced.patcher.extensions.MethodFingerprintExtensions.fuzzyPatternScanMethod
 import app.revanced.patcher.fingerprint.Fingerprint
 import app.revanced.patcher.fingerprint.method.annotation.FuzzyPatternScanMethod
 import app.revanced.patcher.patch.PatchException
 import app.revanced.patcher.util.proxy.ClassProxy
-import org.jf.dexlib2.AccessFlags
+import com.android.tools.smali.dexlib2.AccessFlags
-import org.jf.dexlib2.Opcode
+import com.android.tools.smali.dexlib2.Opcode
-import org.jf.dexlib2.iface.ClassDef
+import com.android.tools.smali.dexlib2.iface.ClassDef
-import org.jf.dexlib2.iface.Method
+import com.android.tools.smali.dexlib2.iface.Method
-import org.jf.dexlib2.iface.instruction.Instruction
+import com.android.tools.smali.dexlib2.iface.instruction.Instruction
-import org.jf.dexlib2.iface.instruction.ReferenceInstruction
+import com.android.tools.smali.dexlib2.iface.instruction.ReferenceInstruction
-import org.jf.dexlib2.iface.reference.StringReference
+import com.android.tools.smali.dexlib2.iface.reference.StringReference
-import org.jf.dexlib2.util.MethodUtil
+import com.android.tools.smali.dexlib2.util.MethodUtil
 import java.util.*
 
 private typealias StringMatch = MethodFingerprintResult.MethodFingerprintScanResult.StringsScanResult.StringMatch
@@ -99,7 +99,7 @@ abstract class MethodFingerprint(
                 methodClassPairs!!.add(methodClassPair)
             }
 
-            if (methods.isNotEmpty()) throw PatchException("Map already initialized")
+            if (methods.isNotEmpty()) clearFingerprintResolutionLookupMaps()
 
             context.classes.forEach { classDef ->
                 classDef.methods.forEach { method ->
@@ -362,18 +362,18 @@ abstract class MethodFingerprint(
                             val patternOpcode = pattern.elementAt(patternIndex)
 
                             if (patternOpcode != null && patternOpcode.ordinal != originalOpcode.ordinal) {
-                                // Reaching maximum threshold (0) means,
+                                // reaching maximum threshold (0) means,
-                                // the pattern does not match to the current instructions.
+                                // the pattern does not match to the current instructions
                                 if (threshold-- == 0) break
                             }
 
                             if (patternIndex < patternLength - 1) {
-                                // If the entire pattern has not been scanned yet
+                                // if the entire pattern has not been scanned yet
-                                // continue the scan.
+                                // continue the scan
                                 patternIndex++
                                 continue
                             }
-                            // The pattern is valid, generate warnings if fuzzyPatternScanMethod is FuzzyPatternScanMethod
+                            // the pattern is valid, generate warnings if fuzzyPatternScanMethod is FuzzyPatternScanMethod
                             val result =
                                 MethodFingerprintResult.MethodFingerprintScanResult.PatternScanResult(
                                     index,
@@ -448,7 +448,7 @@ data class MethodFingerprintResult(
      * Use [classDef] where possible.
      */
     @Suppress("MemberVisibilityCanBePrivate")
-    val mutableClass by lazy { context.classes.proxy(classDef).mutableClass }
+    val mutableClass by lazy { context.proxy(classDef).mutableClass }
 
     /**
      * Returns a mutable clone of [method]

src/main/kotlin/app/revanced/patcher/logging/Logger.kt

@@ -0,0 +1,9 @@
+package app.revanced.patcher.logging
+
+@Deprecated("This will be removed in a future release")
+interface Logger {
+    fun error(msg: String) {}
+    fun warn(msg: String) {}
+    fun info(msg: String) {}
+    fun trace(msg: String) {}
+}

src/main/kotlin/app/revanced/patcher/logging/impl/NopLogger.kt

@@ -0,0 +1,6 @@
+package app.revanced.patcher.logging.impl
+
+import app.revanced.patcher.logging.Logger
+
+@Deprecated("This will be removed in a future release")
+object NopLogger : Logger

src/main/kotlin/app/revanced/patcher/patch/Patch.kt

@@ -1,24 +1,27 @@
 package app.revanced.patcher.patch
 
-import app.revanced.patcher.BytecodeContext
+import app.revanced.patcher.data.BytecodeContext
-import app.revanced.patcher.Context
+import app.revanced.patcher.data.Context
-import app.revanced.patcher.ResourceContext
+import app.revanced.patcher.data.ResourceContext
 import app.revanced.patcher.fingerprint.method.impl.MethodFingerprint
 import java.io.Closeable
 
+typealias PatchClass = Class<out Patch<Context<*>>>
+
 /**
  * A ReVanced patch.
  *
  * If it implements [Closeable], it will be closed after all patches have been executed.
  * Closing will be done in reverse execution order.
  */
-sealed interface Patch<out T : Context> {
+sealed interface Patch<out T : Context<*>> {
     /**
      * The main function of the [Patch] which the patcher will call.
      *
      * @param context The [Context] the patch will work on.
+     * @return The result of executing the patch.
      */
-    suspend fun execute(context: @UnsafeVariance T)
+    fun execute(context: @UnsafeVariance T)
 }
 
 /**
@@ -34,9 +37,3 @@ interface ResourcePatch : Patch<ResourceContext>
 abstract class BytecodePatch(
     internal val fingerprints: Iterable<MethodFingerprint>? = null
 ) : Patch<BytecodeContext>
-
-// TODO: populate this everywhere where the alias is not used yet
-/**
- * The class type of [Patch].
- */
-typealias PatchClass = Class<out Patch<Context>>

src/main/kotlin/app/revanced/patcher/patch/PatchOption.kt

@@ -2,6 +2,8 @@
 
 package app.revanced.patcher.patch
 
+import java.nio.file.Path
+import kotlin.io.path.pathString
 import kotlin.reflect.KProperty
 
 class NoSuchOptionException(val option: String) : Exception("No such option: $option")
@@ -77,10 +79,10 @@ class PatchOptions(vararg options: PatchOption<*>) : Iterable<PatchOption<*>> {
 
 /**
  * A [Patch] option.
- * @param key Unique identifier of the option. Example: _`settings.microg.enabled`_
+ * @param key Unique identifier of the option. Example: _`settings`_
  * @param default The default value of the option.
- * @param title A human-readable title of the option. Example: _MicroG Settings_
+ * @param title A human-readable title of the option. Example: _Patch Settings_
- * @param description A human-readable description of the option. Example: _Settings integration for MicroG._
+ * @param description A human-readable description of the option. Example: _Settings for the patches._
  * @param required Whether the option is required.
  */
 @Suppress("MemberVisibilityCanBePrivate")

src/main/kotlin/app/revanced/patcher/patch/PatchResult.kt

@@ -0,0 +1,10 @@
+package app.revanced.patcher.patch
+
+/**
+ * A result of executing a [Patch].
+ *
+ * @param patchName The name of the [Patch].
+ * @param exception The [PatchException] thrown, if any.
+ */
+@Suppress("MemberVisibilityCanBePrivate")
+class PatchResult internal constructor(val patchName: String, val exception: PatchException? = null)

src/main/kotlin/app/revanced/patcher/patch/annotations/PatchAnnotation.kt

@@ -1,6 +1,6 @@
 package app.revanced.patcher.patch.annotations
 
-import app.revanced.patcher.Context
+import app.revanced.patcher.data.Context
 import app.revanced.patcher.patch.Patch
 import kotlin.reflect.KClass
 
@@ -16,12 +16,12 @@ annotation class Patch(val include: Boolean = true)
  */
 @Target(AnnotationTarget.CLASS)
 annotation class DependsOn(
-    val dependencies: Array<KClass<out Patch<Context>>> = [] // TODO: This should be a list of PatchClass instead
+    val dependencies: Array<KClass<out Patch<Context<*>>>> = []
 )
 
-
+// TODO: Remove this annotation, once integrations are coupled with patches.
 /**
  * Annotation to mark [Patch]es which depend on integrations.
  */
 @Target(AnnotationTarget.CLASS)
-annotation class RequiresIntegrations // TODO: Remove this annotation and replace it with a proper system
+annotation class RequiresIntegrations

src/main/kotlin/app/revanced/patcher/util/ClassMerger.kt

@@ -1,23 +1,23 @@
 package app.revanced.patcher.util
 
-import app.revanced.patcher.BytecodeContext
+import app.revanced.patcher.data.BytecodeContext
 import app.revanced.patcher.extensions.or
-import app.revanced.patcher.logging.Logger
 import app.revanced.patcher.util.ClassMerger.Utils.asMutableClass
 import app.revanced.patcher.util.ClassMerger.Utils.filterAny
 import app.revanced.patcher.util.ClassMerger.Utils.filterNotAny
 import app.revanced.patcher.util.ClassMerger.Utils.isPublic
 import app.revanced.patcher.util.ClassMerger.Utils.toPublic
-import app.revanced.patcher.util.TypeUtil.traverseClassHierarchy
+import app.revanced.patcher.util.ClassMerger.Utils.traverseClassHierarchy
 import app.revanced.patcher.util.proxy.mutableTypes.MutableClass
 import app.revanced.patcher.util.proxy.mutableTypes.MutableClass.Companion.toMutable
 import app.revanced.patcher.util.proxy.mutableTypes.MutableField
 import app.revanced.patcher.util.proxy.mutableTypes.MutableField.Companion.toMutable
 import app.revanced.patcher.util.proxy.mutableTypes.MutableMethod
 import app.revanced.patcher.util.proxy.mutableTypes.MutableMethod.Companion.toMutable
-import org.jf.dexlib2.AccessFlags
+import com.android.tools.smali.dexlib2.AccessFlags
-import org.jf.dexlib2.iface.ClassDef
+import com.android.tools.smali.dexlib2.iface.ClassDef
-import org.jf.dexlib2.util.MethodUtil
+import com.android.tools.smali.dexlib2.util.MethodUtil
+import java.util.logging.Logger
 import kotlin.reflect.KFunction2
 
 /**
@@ -25,27 +25,28 @@ import kotlin.reflect.KFunction2
  * Note: This will not consider method implementations or if the class is missing a superclass or interfaces.
  */
 internal object ClassMerger {
+    private val logger = Logger.getLogger(ClassMerger::class.java.name)
+
     /**
      * Merge a class with [otherClass].
      *
      * @param otherClass The class to merge with
      * @param context The context to traverse the class hierarchy in.
-     * @param logger A logger.
+     * @return The merged class or the original class if no merge was needed.
      */
-    fun ClassDef.merge(otherClass: ClassDef, context: BytecodeContext, logger: Logger? = null) = this
+    fun ClassDef.merge(otherClass: ClassDef, context: BytecodeContext) = this
-        //.fixFieldAccess(otherClass, logger)
+        //.fixFieldAccess(otherClass)
-        //.fixMethodAccess(otherClass, logger)
+        //.fixMethodAccess(otherClass)
-        .addMissingFields(otherClass, logger)
+        .addMissingFields(otherClass)
-        .addMissingMethods(otherClass, logger)
+        .addMissingMethods(otherClass)
-        .publicize(otherClass, context, logger)
+        .publicize(otherClass, context)
 
     /**
      * Add methods which are missing but existing in [fromClass].
      *
      * @param fromClass The class to add missing methods from.
-     * @param logger A logger.
      */
-    private fun ClassDef.addMissingMethods(fromClass: ClassDef, logger: Logger? = null): ClassDef {
+    private fun ClassDef.addMissingMethods(fromClass: ClassDef): ClassDef {
         val missingMethods = fromClass.methods.let { fromMethods ->
             methods.filterNot { method ->
                 fromMethods.any { fromMethod ->
@@ -56,7 +57,7 @@ internal object ClassMerger {
 
         if (missingMethods.isEmpty()) return this
 
-        logger?.trace("Found ${missingMethods.size} missing methods")
+        logger.fine("Found ${missingMethods.size} missing methods")
 
         return asMutableClass().apply {
             methods.addAll(missingMethods.map { it.toMutable() })
@@ -67,16 +68,15 @@ internal object ClassMerger {
      * Add fields which are missing but existing in [fromClass].
      *
      * @param fromClass The class to add missing fields from.
-     * @param logger A logger.
      */
-    private fun ClassDef.addMissingFields(fromClass: ClassDef, logger: Logger? = null): ClassDef {
+    private fun ClassDef.addMissingFields(fromClass: ClassDef): ClassDef {
         val missingFields = fields.filterNotAny(fromClass.fields) { field, fromField ->
             fromField.name == field.name
         }
 
         if (missingFields.isEmpty()) return this
 
-        logger?.trace("Found ${missingFields.size} missing fields")
+        logger.fine("Found ${missingFields.size} missing fields")
 
         return asMutableClass().apply {
             fields.addAll(missingFields.map { it.toMutable() })
@@ -87,15 +87,14 @@ internal object ClassMerger {
      * Make a class and its super class public recursively.
      * @param reference The class to check the [AccessFlags] of.
      * @param context The context to traverse the class hierarchy in.
-     * @param logger A logger.
      */
-    private fun ClassDef.publicize(reference: ClassDef, context: BytecodeContext, logger: Logger? = null) =
+    private fun ClassDef.publicize(reference: ClassDef, context: BytecodeContext) =
         if (reference.accessFlags.isPublic() && !accessFlags.isPublic())
             this.asMutableClass().apply {
                 context.traverseClassHierarchy(this) {
                     if (accessFlags.isPublic()) return@traverseClassHierarchy
 
-                    logger?.trace("Publicizing ${this.type}")
+                    logger.fine("Publicizing ${this.type}")
 
                     accessFlags = accessFlags.toPublic()
                 }
@@ -106,9 +105,8 @@ internal object ClassMerger {
      * Publicize fields if they are public in [reference].
      *
      * @param reference The class to check the [AccessFlags] of the fields in.
-     * @param logger A logger.
      */
-    private fun ClassDef.fixFieldAccess(reference: ClassDef, logger: Logger? = null): ClassDef {
+    private fun ClassDef.fixFieldAccess(reference: ClassDef): ClassDef {
         val brokenFields = fields.filterAny(reference.fields) { field, referenceField ->
             if (field.name != referenceField.name) return@filterAny false
 
@@ -117,7 +115,7 @@ internal object ClassMerger {
 
         if (brokenFields.isEmpty()) return this
 
-        logger?.trace("Found ${brokenFields.size} broken fields")
+        logger.fine("Found ${brokenFields.size} broken fields")
 
         /**
          * Make a field public.
@@ -135,9 +133,8 @@ internal object ClassMerger {
      * Publicize methods if they are public in [reference].
      *
      * @param reference The class to check the [AccessFlags] of the methods in.
-     * @param logger A logger.
      */
-    private fun ClassDef.fixMethodAccess(reference: ClassDef, logger: Logger? = null): ClassDef {
+    private fun ClassDef.fixMethodAccess(reference: ClassDef): ClassDef {
         val brokenMethods = methods.filterAny(reference.methods) { method, referenceMethod ->
             if (!MethodUtil.methodSignaturesMatch(method, referenceMethod)) return@filterAny false
 
@@ -146,7 +143,7 @@ internal object ClassMerger {
 
         if (brokenMethods.isEmpty()) return this
 
-        logger?.trace("Found ${brokenMethods.size} methods")
+        logger.fine("Found ${brokenMethods.size} methods")
 
         /**
          * Make a method public.
@@ -161,6 +158,19 @@ internal object ClassMerger {
     }
 
     private object Utils {
+        /**
+         * traverse the class hierarchy starting from the given root class
+         *
+         * @param targetClass the class to start traversing the class hierarchy from
+         * @param callback function that is called for every class in the hierarchy
+         */
+        fun BytecodeContext.traverseClassHierarchy(targetClass: MutableClass, callback: MutableClass.() -> Unit) {
+            callback(targetClass)
+            this.findClass(targetClass.superclass ?: return)?.mutableClass?.let {
+                traverseClassHierarchy(it, callback)
+            }
+        }
+
         fun ClassDef.asMutableClass() = if (this is MutableClass) this else this.toMutable()
 
         /**
@@ -180,7 +190,6 @@ internal object ClassMerger {
         /**
          * Filter [this] on [needles] matching the given [predicate].
          *
-         * @param this The hay to filter for [needles].
          * @param needles The needles to filter [this] with.
          * @param predicate The filter.
          * @return The [this] filtered on [needles] matching the given [predicate].
@@ -192,7 +201,6 @@ internal object ClassMerger {
         /**
          * Filter [this] on [needles] not matching the given [predicate].
          *
-         * @param this The hay to filter for [needles].
          * @param needles The needles to filter [this] with.
          * @param predicate The filter.
          * @return The [this] filtered on [needles] not matching the given [predicate].

src/main/kotlin/app/revanced/patcher/util/DomFileEditor.kt

@@ -0,0 +1,87 @@
+package app.revanced.patcher.util
+
+import org.w3c.dom.Document
+import java.io.Closeable
+import java.io.File
+import java.io.InputStream
+import java.io.OutputStream
+import javax.xml.parsers.DocumentBuilderFactory
+import javax.xml.transform.TransformerFactory
+import javax.xml.transform.dom.DOMSource
+import javax.xml.transform.stream.StreamResult
+
+/**
+ * Wrapper for a file that can be edited as a dom document.
+ *
+ * This constructor does not check for locks to the file when writing.
+ * Use the secondary constructor.
+ *
+ * @param inputStream the input stream to read the xml file from.
+ * @param outputStream the output stream to write the xml file to. If null, the file will be read only.
+ *
+ */
+class DomFileEditor internal constructor(
+    private val inputStream: InputStream,
+    private val outputStream: Lazy<OutputStream>? = null,
+) : Closeable {
+    // path to the xml file to unlock the resource when closing the editor
+    private var filePath: String? = null
+    private var closed: Boolean = false
+
+    /**
+     * The document of the xml file
+     */
+    val file: Document = DocumentBuilderFactory.newInstance().newDocumentBuilder().parse(inputStream)
+        .also(Document::normalize)
+
+
+    // lazily open an output stream
+    // this is required because when constructing a DomFileEditor the output stream is created along with the input stream, which is not allowed
+    // the workaround is to lazily create the output stream. This way it would be used after the input stream is closed, which happens in the constructor
+    constructor(file: File) : this(file.inputStream(), lazy { file.outputStream() }) {
+        // increase the lock
+        locks.merge(file.path, 1, Integer::sum)
+        filePath = file.path
+    }
+
+    /**
+     * Closes the editor. Write backs and decreases the lock count.
+     *
+     * Will not write back to the file if the file is still locked.
+     */
+    override fun close() {
+        if (closed) return
+
+        inputStream.close()
+
+        // if the output stream is not null, do not close it
+        outputStream?.let {
+            // prevent writing to same file, if it is being locked
+            // isLocked will be false if the editor was created through a stream
+            val isLocked = filePath?.let { path ->
+                val isLocked = locks[path]!! > 1
+                // decrease the lock count if the editor was opened for a file
+                locks.merge(path, -1, Integer::sum)
+                isLocked
+            } ?: false
+
+            // if unlocked, write back to the file
+            if (!isLocked) {
+                it.value.use { stream ->
+                    val result = StreamResult(stream)
+                    TransformerFactory.newInstance().newTransformer().transform(DOMSource(file), result)
+                }
+
+                it.value.close()
+                return
+            }
+        }
+
+        closed = true
+    }
+
+    private companion object {
+        // map of concurrent open files
+        val locks = mutableMapOf<String, Int>()
+    }
+}

src/main/kotlin/app/revanced/patcher/util/ProxyClassList.kt

@@ -0,0 +1,33 @@
+package app.revanced.patcher.util
+
+import app.revanced.patcher.util.proxy.ClassProxy
+import com.android.tools.smali.dexlib2.iface.ClassDef
+
+/**
+ * A class that represents a set of classes and proxies.
+ *
+ * @param classes The classes to be backed by proxies.
+ */
+class ProxyClassList internal constructor(classes: MutableSet<ClassDef>) : MutableSet<ClassDef> by classes {
+    internal val proxies = mutableListOf<ClassProxy>()
+
+    /**
+     * Add a [ClassProxy].
+     */
+    fun add(classProxy: ClassProxy) = proxies.add(classProxy)
+
+    /**
+     * Replace all classes with their mutated versions.
+     */
+    internal fun replaceClasses() = proxies.removeIf { proxy ->
+        // If the proxy is unused, return false to keep it in the proxies list.
+            if (!proxy.resolved) return@removeIf false
+
+        // If it has been used, replace the original class with the mutable class.
+        remove(proxy.immutableClass)
+        add(proxy.mutableClass)
+
+        // Return true to remove the proxy from the proxies list.
+            return@removeIf true
+        }
+}

src/main/kotlin/app/revanced/patcher/util/method/MethodWalker.kt

@@ -1,11 +1,11 @@
 package app.revanced.patcher.util.method
 
-import app.revanced.patcher.BytecodeContext
+import app.revanced.patcher.data.BytecodeContext
 import app.revanced.patcher.util.proxy.mutableTypes.MutableMethod
-import org.jf.dexlib2.iface.Method
+import com.android.tools.smali.dexlib2.iface.Method
-import org.jf.dexlib2.iface.instruction.ReferenceInstruction
+import com.android.tools.smali.dexlib2.iface.instruction.ReferenceInstruction
-import org.jf.dexlib2.iface.reference.MethodReference
+import com.android.tools.smali.dexlib2.iface.reference.MethodReference
-import org.jf.dexlib2.util.MethodUtil
+import com.android.tools.smali.dexlib2.util.MethodUtil
 
 /**
  * Find a method from another method via instruction offsets.
@@ -41,7 +41,7 @@ class MethodWalker internal constructor(
             val instruction = instructions.elementAt(offset)
 
             val newMethod = (instruction as ReferenceInstruction).reference as MethodReference
-            val proxy = bytecodeContext.classes.findClassProxied(newMethod.definingClass)!!
+            val proxy = bytecodeContext.findClass(newMethod.definingClass)!!
 
             val methods = if (walkMutable) proxy.mutableClass.methods else proxy.immutableClass.methods
             currentMethod = methods.first {

src/main/kotlin/app/revanced/patcher/util/proxy/ClassProxy.kt

@@ -1,7 +1,7 @@
 package app.revanced.patcher.util.proxy
 
 import app.revanced.patcher.util.proxy.mutableTypes.MutableClass
-import org.jf.dexlib2.iface.ClassDef
+import com.android.tools.smali.dexlib2.iface.ClassDef
 
 /**
  * A proxy class for a [ClassDef].

src/main/kotlin/app/revanced/patcher/util/proxy/mutableTypes/MutableAnnotation.kt

@@ -1,8 +1,8 @@
 package app.revanced.patcher.util.proxy.mutableTypes
 
 import app.revanced.patcher.util.proxy.mutableTypes.MutableAnnotationElement.Companion.toMutable
-import org.jf.dexlib2.base.BaseAnnotation
+import com.android.tools.smali.dexlib2.base.BaseAnnotation
-import org.jf.dexlib2.iface.Annotation
+import com.android.tools.smali.dexlib2.iface.Annotation
 
 class MutableAnnotation(annotation: Annotation) : BaseAnnotation() {
     private val visibility = annotation.visibility

src/main/kotlin/app/revanced/patcher/util/proxy/mutableTypes/MutableAnnotationElement.kt

@@ -2,9 +2,9 @@ package app.revanced.patcher.util.proxy.mutableTypes
 
 import app.revanced.patcher.util.proxy.mutableTypes.encodedValue.MutableEncodedValue
 import app.revanced.patcher.util.proxy.mutableTypes.encodedValue.MutableEncodedValue.Companion.toMutable
-import org.jf.dexlib2.base.BaseAnnotationElement
+import com.android.tools.smali.dexlib2.base.BaseAnnotationElement
-import org.jf.dexlib2.iface.AnnotationElement
+import com.android.tools.smali.dexlib2.iface.AnnotationElement
-import org.jf.dexlib2.iface.value.EncodedValue
+import com.android.tools.smali.dexlib2.iface.value.EncodedValue
 
 class MutableAnnotationElement(annotationElement: AnnotationElement) : BaseAnnotationElement() {
     private var name = annotationElement.name

src/main/kotlin/app/revanced/patcher/util/proxy/mutableTypes/MutableClass.kt

@@ -4,10 +4,10 @@ import app.revanced.patcher.util.proxy.mutableTypes.MutableAnnotation.Companion.
 import app.revanced.patcher.util.proxy.mutableTypes.MutableField.Companion.toMutable
 import app.revanced.patcher.util.proxy.mutableTypes.MutableMethod.Companion.toMutable
 import com.google.common.collect.Iterables
-import org.jf.dexlib2.base.reference.BaseTypeReference
+import com.android.tools.smali.dexlib2.base.reference.BaseTypeReference
-import org.jf.dexlib2.iface.ClassDef
+import com.android.tools.smali.dexlib2.iface.ClassDef
-import org.jf.dexlib2.util.FieldUtil
+import com.android.tools.smali.dexlib2.util.FieldUtil
-import org.jf.dexlib2.util.MethodUtil
+import com.android.tools.smali.dexlib2.util.MethodUtil
 
 class MutableClass(classDef: ClassDef) : ClassDef, BaseTypeReference() {
     // Class

src/main/kotlin/app/revanced/patcher/util/proxy/mutableTypes/MutableField.kt

@@ -3,9 +3,9 @@ package app.revanced.patcher.util.proxy.mutableTypes
 import app.revanced.patcher.util.proxy.mutableTypes.MutableAnnotation.Companion.toMutable
 import app.revanced.patcher.util.proxy.mutableTypes.encodedValue.MutableEncodedValue
 import app.revanced.patcher.util.proxy.mutableTypes.encodedValue.MutableEncodedValue.Companion.toMutable
-import org.jf.dexlib2.HiddenApiRestriction
+import com.android.tools.smali.dexlib2.HiddenApiRestriction
-import org.jf.dexlib2.base.reference.BaseFieldReference
+import com.android.tools.smali.dexlib2.base.reference.BaseFieldReference
-import org.jf.dexlib2.iface.Field
+import com.android.tools.smali.dexlib2.iface.Field
 
 class MutableField(field: Field) : Field, BaseFieldReference() {
     private var definingClass = field.definingClass

src/main/kotlin/app/revanced/patcher/util/proxy/mutableTypes/MutableMethod.kt

@@ -2,10 +2,10 @@ package app.revanced.patcher.util.proxy.mutableTypes
 
 import app.revanced.patcher.util.proxy.mutableTypes.MutableAnnotation.Companion.toMutable
 import app.revanced.patcher.util.proxy.mutableTypes.MutableMethodParameter.Companion.toMutable
-import org.jf.dexlib2.HiddenApiRestriction
+import com.android.tools.smali.dexlib2.HiddenApiRestriction
-import org.jf.dexlib2.base.reference.BaseMethodReference
+import com.android.tools.smali.dexlib2.base.reference.BaseMethodReference
-import org.jf.dexlib2.builder.MutableMethodImplementation
+import com.android.tools.smali.dexlib2.builder.MutableMethodImplementation
-import org.jf.dexlib2.iface.Method
+import com.android.tools.smali.dexlib2.iface.Method
 
 class MutableMethod(method: Method) : Method, BaseMethodReference() {
     private var definingClass = method.definingClass
@@ -13,7 +13,7 @@ class MutableMethod(method: Method) : Method, BaseMethodReference() {
     private var accessFlags = method.accessFlags
     private var returnType = method.returnType
 
-    // TODO: Create own mutable MethodImplementation (due to not being able to change members like register count).
+    // Create own mutable MethodImplementation (due to not being able to change members like register count)
     private val _implementation by lazy { method.implementation?.let { MutableMethodImplementation(it) } }
     private val _annotations by lazy { method.annotations.map { annotation -> annotation.toMutable() }.toMutableSet() }
     private val _parameters by lazy { method.parameters.map { parameter -> parameter.toMutable() }.toMutableList() }

src/main/kotlin/app/revanced/patcher/util/proxy/mutableTypes/MutableMethodParameter.kt

@@ -1,10 +1,10 @@
 package app.revanced.patcher.util.proxy.mutableTypes
 
 import app.revanced.patcher.util.proxy.mutableTypes.MutableAnnotation.Companion.toMutable
-import org.jf.dexlib2.base.BaseMethodParameter
+import com.android.tools.smali.dexlib2.base.BaseMethodParameter
-import org.jf.dexlib2.iface.MethodParameter
+import com.android.tools.smali.dexlib2.iface.MethodParameter
 
-// TODO: Finish overriding all members if necessary.
+// TODO: finish overriding all members if necessary
 class MutableMethodParameter(parameter: MethodParameter) : MethodParameter, BaseMethodParameter() {
     private var type = parameter.type
     private var name = parameter.name

src/main/kotlin/app/revanced/patcher/util/proxy/mutableTypes/encodedValue/MutableAnnotationEncodedValue.kt

@@ -1,9 +1,9 @@
 package app.revanced.patcher.util.proxy.mutableTypes.encodedValue
 
 import app.revanced.patcher.util.proxy.mutableTypes.MutableAnnotationElement.Companion.toMutable
-import org.jf.dexlib2.base.value.BaseAnnotationEncodedValue
+import com.android.tools.smali.dexlib2.base.value.BaseAnnotationEncodedValue
-import org.jf.dexlib2.iface.AnnotationElement
+import com.android.tools.smali.dexlib2.iface.AnnotationElement
-import org.jf.dexlib2.iface.value.AnnotationEncodedValue
+import com.android.tools.smali.dexlib2.iface.value.AnnotationEncodedValue
 
 class MutableAnnotationEncodedValue(annotationEncodedValue: AnnotationEncodedValue) : BaseAnnotationEncodedValue(),
     MutableEncodedValue {

src/main/kotlin/app/revanced/patcher/util/proxy/mutableTypes/encodedValue/MutableArrayEncodedValue.kt

@@ -1,9 +1,9 @@
 package app.revanced.patcher.util.proxy.mutableTypes.encodedValue
 
 import app.revanced.patcher.util.proxy.mutableTypes.encodedValue.MutableEncodedValue.Companion.toMutable
-import org.jf.dexlib2.base.value.BaseArrayEncodedValue
+import com.android.tools.smali.dexlib2.base.value.BaseArrayEncodedValue
-import org.jf.dexlib2.iface.value.ArrayEncodedValue
+import com.android.tools.smali.dexlib2.iface.value.ArrayEncodedValue
-import org.jf.dexlib2.iface.value.EncodedValue
+import com.android.tools.smali.dexlib2.iface.value.EncodedValue
 
 class MutableArrayEncodedValue(arrayEncodedValue: ArrayEncodedValue) : BaseArrayEncodedValue(), MutableEncodedValue {
     private val _value by lazy {

src/main/kotlin/app/revanced/patcher/util/proxy/mutableTypes/encodedValue/MutableBooleanEncodedValue.kt

@@ -1,7 +1,7 @@
 package app.revanced.patcher.util.proxy.mutableTypes.encodedValue
 
-import org.jf.dexlib2.base.value.BaseBooleanEncodedValue
+import com.android.tools.smali.dexlib2.base.value.BaseBooleanEncodedValue
-import org.jf.dexlib2.iface.value.BooleanEncodedValue
+import com.android.tools.smali.dexlib2.iface.value.BooleanEncodedValue
 
 class MutableBooleanEncodedValue(booleanEncodedValue: BooleanEncodedValue) : BaseBooleanEncodedValue(),
     MutableEncodedValue {

src/main/kotlin/app/revanced/patcher/util/proxy/mutableTypes/encodedValue/MutableByteEncodedValue.kt

@@ -1,7 +1,7 @@
 package app.revanced.patcher.util.proxy.mutableTypes.encodedValue
 
-import org.jf.dexlib2.base.value.BaseByteEncodedValue
+import com.android.tools.smali.dexlib2.base.value.BaseByteEncodedValue
-import org.jf.dexlib2.iface.value.ByteEncodedValue
+import com.android.tools.smali.dexlib2.iface.value.ByteEncodedValue
 
 class MutableByteEncodedValue(byteEncodedValue: ByteEncodedValue) : BaseByteEncodedValue(), MutableEncodedValue {
     private var value = byteEncodedValue.value

src/main/kotlin/app/revanced/patcher/util/proxy/mutableTypes/encodedValue/MutableCharEncodedValue.kt

@@ -1,7 +1,7 @@
 package app.revanced.patcher.util.proxy.mutableTypes.encodedValue
 
-import org.jf.dexlib2.base.value.BaseCharEncodedValue
+import com.android.tools.smali.dexlib2.base.value.BaseCharEncodedValue
-import org.jf.dexlib2.iface.value.CharEncodedValue
+import com.android.tools.smali.dexlib2.iface.value.CharEncodedValue
 
 class MutableCharEncodedValue(charEncodedValue: CharEncodedValue) : BaseCharEncodedValue(), MutableEncodedValue {
     private var value = charEncodedValue.value

src/main/kotlin/app/revanced/patcher/util/proxy/mutableTypes/encodedValue/MutableDoubleEncodedValue.kt

@@ -1,7 +1,7 @@
 package app.revanced.patcher.util.proxy.mutableTypes.encodedValue
 
-import org.jf.dexlib2.base.value.BaseDoubleEncodedValue
+import com.android.tools.smali.dexlib2.base.value.BaseDoubleEncodedValue
-import org.jf.dexlib2.iface.value.DoubleEncodedValue
+import com.android.tools.smali.dexlib2.iface.value.DoubleEncodedValue
 
 class MutableDoubleEncodedValue(doubleEncodedValue: DoubleEncodedValue) : BaseDoubleEncodedValue(),
     MutableEncodedValue {

src/main/kotlin/app/revanced/patcher/util/proxy/mutableTypes/encodedValue/MutableEncodedValue.kt

@@ -1,7 +1,7 @@
 package app.revanced.patcher.util.proxy.mutableTypes.encodedValue
 
-import org.jf.dexlib2.ValueType
+import com.android.tools.smali.dexlib2.ValueType
-import org.jf.dexlib2.iface.value.*
+import com.android.tools.smali.dexlib2.iface.value.*
 
 interface MutableEncodedValue : EncodedValue {
     companion object {

src/main/kotlin/app/revanced/patcher/util/proxy/mutableTypes/encodedValue/MutableEnumEncodedValue.kt

@@ -1,8 +1,8 @@
 package app.revanced.patcher.util.proxy.mutableTypes.encodedValue
 
-import org.jf.dexlib2.base.value.BaseEnumEncodedValue
+import com.android.tools.smali.dexlib2.base.value.BaseEnumEncodedValue
-import org.jf.dexlib2.iface.reference.FieldReference
+import com.android.tools.smali.dexlib2.iface.reference.FieldReference
-import org.jf.dexlib2.iface.value.EnumEncodedValue
+import com.android.tools.smali.dexlib2.iface.value.EnumEncodedValue
 
 class MutableEnumEncodedValue(enumEncodedValue: EnumEncodedValue) : BaseEnumEncodedValue(), MutableEncodedValue {
     private var value = enumEncodedValue.value

src/main/kotlin/app/revanced/patcher/util/proxy/mutableTypes/encodedValue/MutableFieldEncodedValue.kt

@@ -1,9 +1,9 @@
 package app.revanced.patcher.util.proxy.mutableTypes.encodedValue
 
-import org.jf.dexlib2.ValueType
+import com.android.tools.smali.dexlib2.ValueType
-import org.jf.dexlib2.base.value.BaseFieldEncodedValue
+import com.android.tools.smali.dexlib2.base.value.BaseFieldEncodedValue
-import org.jf.dexlib2.iface.reference.FieldReference
+import com.android.tools.smali.dexlib2.iface.reference.FieldReference
-import org.jf.dexlib2.iface.value.FieldEncodedValue
+import com.android.tools.smali.dexlib2.iface.value.FieldEncodedValue
 
 class MutableFieldEncodedValue(fieldEncodedValue: FieldEncodedValue) : BaseFieldEncodedValue(), MutableEncodedValue {
     private var value = fieldEncodedValue.value

src/main/kotlin/app/revanced/patcher/util/proxy/mutableTypes/encodedValue/MutableFloatEncodedValue.kt

@@ -1,7 +1,7 @@
 package app.revanced.patcher.util.proxy.mutableTypes.encodedValue
 
-import org.jf.dexlib2.base.value.BaseFloatEncodedValue
+import com.android.tools.smali.dexlib2.base.value.BaseFloatEncodedValue
-import org.jf.dexlib2.iface.value.FloatEncodedValue
+import com.android.tools.smali.dexlib2.iface.value.FloatEncodedValue
 
 class MutableFloatEncodedValue(floatEncodedValue: FloatEncodedValue) : BaseFloatEncodedValue(), MutableEncodedValue {
     private var value = floatEncodedValue.value

src/main/kotlin/app/revanced/patcher/util/proxy/mutableTypes/encodedValue/MutableIntEncodedValue.kt

@@ -1,7 +1,7 @@
 package app.revanced.patcher.util.proxy.mutableTypes.encodedValue
 
-import org.jf.dexlib2.base.value.BaseIntEncodedValue
+import com.android.tools.smali.dexlib2.base.value.BaseIntEncodedValue
-import org.jf.dexlib2.iface.value.IntEncodedValue
+import com.android.tools.smali.dexlib2.iface.value.IntEncodedValue
 
 class MutableIntEncodedValue(intEncodedValue: IntEncodedValue) : BaseIntEncodedValue(), MutableEncodedValue {
     private var value = intEncodedValue.value

src/main/kotlin/app/revanced/patcher/util/proxy/mutableTypes/encodedValue/MutableLongEncodedValue.kt

@@ -1,7 +1,7 @@
 package app.revanced.patcher.util.proxy.mutableTypes.encodedValue
 
-import org.jf.dexlib2.base.value.BaseLongEncodedValue
+import com.android.tools.smali.dexlib2.base.value.BaseLongEncodedValue
-import org.jf.dexlib2.iface.value.LongEncodedValue
+import com.android.tools.smali.dexlib2.iface.value.LongEncodedValue
 
 class MutableLongEncodedValue(longEncodedValue: LongEncodedValue) : BaseLongEncodedValue(), MutableEncodedValue {
     private var value = longEncodedValue.value

src/main/kotlin/app/revanced/patcher/util/proxy/mutableTypes/encodedValue/MutableMethodEncodedValue.kt

@@ -1,8 +1,8 @@
 package app.revanced.patcher.util.proxy.mutableTypes.encodedValue
 
-import org.jf.dexlib2.base.value.BaseMethodEncodedValue
+import com.android.tools.smali.dexlib2.base.value.BaseMethodEncodedValue
-import org.jf.dexlib2.iface.reference.MethodReference
+import com.android.tools.smali.dexlib2.iface.reference.MethodReference
-import org.jf.dexlib2.iface.value.MethodEncodedValue
+import com.android.tools.smali.dexlib2.iface.value.MethodEncodedValue
 
 class MutableMethodEncodedValue(methodEncodedValue: MethodEncodedValue) : BaseMethodEncodedValue(),
     MutableEncodedValue {

src/main/kotlin/app/revanced/patcher/util/proxy/mutableTypes/encodedValue/MutableMethodHandleEncodedValue.kt

@@ -1,8 +1,8 @@
 package app.revanced.patcher.util.proxy.mutableTypes.encodedValue
 
-import org.jf.dexlib2.base.value.BaseMethodHandleEncodedValue
+import com.android.tools.smali.dexlib2.base.value.BaseMethodHandleEncodedValue
-import org.jf.dexlib2.iface.reference.MethodHandleReference
+import com.android.tools.smali.dexlib2.iface.reference.MethodHandleReference
-import org.jf.dexlib2.iface.value.MethodHandleEncodedValue
+import com.android.tools.smali.dexlib2.iface.value.MethodHandleEncodedValue
 
 class MutableMethodHandleEncodedValue(methodHandleEncodedValue: MethodHandleEncodedValue) :
     BaseMethodHandleEncodedValue(),

src/main/kotlin/app/revanced/patcher/util/proxy/mutableTypes/encodedValue/MutableMethodTypeEncodedValue.kt

@@ -1,8 +1,8 @@
 package app.revanced.patcher.util.proxy.mutableTypes.encodedValue
 
-import org.jf.dexlib2.base.value.BaseMethodTypeEncodedValue
+import com.android.tools.smali.dexlib2.base.value.BaseMethodTypeEncodedValue
-import org.jf.dexlib2.iface.reference.MethodProtoReference
+import com.android.tools.smali.dexlib2.iface.reference.MethodProtoReference
-import org.jf.dexlib2.iface.value.MethodTypeEncodedValue
+import com.android.tools.smali.dexlib2.iface.value.MethodTypeEncodedValue
 
 class MutableMethodTypeEncodedValue(methodTypeEncodedValue: MethodTypeEncodedValue) : BaseMethodTypeEncodedValue(),
     MutableEncodedValue {

src/main/kotlin/app/revanced/patcher/util/proxy/mutableTypes/encodedValue/MutableNullEncodedValue.kt

@@ -1,7 +1,7 @@
 package app.revanced.patcher.util.proxy.mutableTypes.encodedValue
 
-import org.jf.dexlib2.base.value.BaseNullEncodedValue
+import com.android.tools.smali.dexlib2.base.value.BaseNullEncodedValue
-import org.jf.dexlib2.iface.value.ByteEncodedValue
+import com.android.tools.smali.dexlib2.iface.value.ByteEncodedValue
 
 class MutableNullEncodedValue : BaseNullEncodedValue(), MutableEncodedValue {
     companion object {

src/main/kotlin/app/revanced/patcher/util/proxy/mutableTypes/encodedValue/MutableShortEncodedValue.kt

@@ -1,7 +1,7 @@
 package app.revanced.patcher.util.proxy.mutableTypes.encodedValue
 
-import org.jf.dexlib2.base.value.BaseShortEncodedValue
+import com.android.tools.smali.dexlib2.base.value.BaseShortEncodedValue
-import org.jf.dexlib2.iface.value.ShortEncodedValue
+import com.android.tools.smali.dexlib2.iface.value.ShortEncodedValue
 
 class MutableShortEncodedValue(shortEncodedValue: ShortEncodedValue) : BaseShortEncodedValue(), MutableEncodedValue {
     private var value = shortEncodedValue.value

src/main/kotlin/app/revanced/patcher/util/proxy/mutableTypes/encodedValue/MutableStringEncodedValue.kt

@@ -1,8 +1,8 @@
 package app.revanced.patcher.util.proxy.mutableTypes.encodedValue
 
-import org.jf.dexlib2.base.value.BaseStringEncodedValue
+import com.android.tools.smali.dexlib2.base.value.BaseStringEncodedValue
-import org.jf.dexlib2.iface.value.ByteEncodedValue
+import com.android.tools.smali.dexlib2.iface.value.ByteEncodedValue
-import org.jf.dexlib2.iface.value.StringEncodedValue
+import com.android.tools.smali.dexlib2.iface.value.StringEncodedValue
 
 class MutableStringEncodedValue(stringEncodedValue: StringEncodedValue) : BaseStringEncodedValue(),
     MutableEncodedValue {

src/main/kotlin/app/revanced/patcher/util/proxy/mutableTypes/encodedValue/MutableTypeEncodedValue.kt

@@ -1,7 +1,7 @@
 package app.revanced.patcher.util.proxy.mutableTypes.encodedValue
 
-import org.jf.dexlib2.base.value.BaseTypeEncodedValue
+import com.android.tools.smali.dexlib2.base.value.BaseTypeEncodedValue
-import org.jf.dexlib2.iface.value.TypeEncodedValue
+import com.android.tools.smali.dexlib2.iface.value.TypeEncodedValue
 
 class MutableTypeEncodedValue(typeEncodedValue: TypeEncodedValue) : BaseTypeEncodedValue(), MutableEncodedValue {
     private var value = typeEncodedValue.value

src/main/kotlin/app/revanced/patcher/util/smali/ExternalLabel.kt

@@ -1,6 +1,6 @@
 package app.revanced.patcher.util.smali
 
-import org.jf.dexlib2.iface.instruction.Instruction
+import com.android.tools.smali.dexlib2.iface.instruction.Instruction
 
 /**
  * A class that represents a label for an instruction.

src/main/kotlin/app/revanced/patcher/util/smali/InlineSmaliCompiler.kt

@@ -4,14 +4,14 @@ import app.revanced.patcher.util.proxy.mutableTypes.MutableMethod
 import org.antlr.runtime.CommonTokenStream
 import org.antlr.runtime.TokenSource
 import org.antlr.runtime.tree.CommonTreeNodeStream
-import org.jf.dexlib2.AccessFlags
+import com.android.tools.smali.dexlib2.AccessFlags
-import org.jf.dexlib2.Opcodes
+import com.android.tools.smali.dexlib2.Opcodes
-import org.jf.dexlib2.builder.BuilderInstruction
+import com.android.tools.smali.dexlib2.builder.BuilderInstruction
-import org.jf.dexlib2.writer.builder.DexBuilder
+import com.android.tools.smali.dexlib2.writer.builder.DexBuilder
-import org.jf.smali.LexerErrorInterface
+import com.android.tools.smali.smali.LexerErrorInterface
-import org.jf.smali.smaliFlexLexer
+import com.android.tools.smali.smali.smaliFlexLexer
-import org.jf.smali.smaliParser
+import com.android.tools.smali.smali.smaliParser
-import org.jf.smali.smaliTreeWalker
+import com.android.tools.smali.smali.smaliTreeWalker
 import java.io.InputStreamReader
 
 private const val METHOD_TEMPLATE = """

src/test/kotlin/app/revanced/patcher/extensions/InstructionExtensionsTest.kt

@@ -0,0 +1,233 @@
+package app.revanced.patcher.extensions
+
+import app.revanced.patcher.extensions.InstructionExtensions.addInstruction
+import app.revanced.patcher.extensions.InstructionExtensions.addInstructions
+import app.revanced.patcher.extensions.InstructionExtensions.addInstructionsWithLabels
+import app.revanced.patcher.extensions.InstructionExtensions.getInstruction
+import app.revanced.patcher.extensions.InstructionExtensions.removeInstruction
+import app.revanced.patcher.extensions.InstructionExtensions.removeInstructions
+import app.revanced.patcher.extensions.InstructionExtensions.replaceInstruction
+import app.revanced.patcher.extensions.InstructionExtensions.replaceInstructions
+import app.revanced.patcher.util.proxy.mutableTypes.MutableMethod
+import app.revanced.patcher.util.proxy.mutableTypes.MutableMethod.Companion.toMutable
+import app.revanced.patcher.util.smali.ExternalLabel
+import com.android.tools.smali.dexlib2.AccessFlags
+import com.android.tools.smali.dexlib2.Opcode
+import com.android.tools.smali.dexlib2.builder.BuilderOffsetInstruction
+import com.android.tools.smali.dexlib2.builder.MutableMethodImplementation
+import com.android.tools.smali.dexlib2.builder.instruction.BuilderInstruction21s
+import com.android.tools.smali.dexlib2.iface.instruction.OneRegisterInstruction
+import com.android.tools.smali.dexlib2.immutable.ImmutableMethod
+import org.junit.jupiter.api.BeforeEach
+import org.junit.jupiter.api.Test
+import kotlin.test.assertEquals
+
+private object InstructionExtensionsTest {
+    private lateinit var testMethod: MutableMethod
+    private lateinit var testMethodImplementation: MutableMethodImplementation
+
+    @BeforeEach
+    fun createTestMethod() = ImmutableMethod(
+        "TestClass;",
+        "testMethod",
+        null,
+        "V",
+        AccessFlags.PUBLIC.value,
+        null,
+        null,
+        MutableMethodImplementation(16).also { testMethodImplementation = it }.apply {
+            repeat(10) { i -> this.addInstruction(TestInstruction(i)) }
+        },
+    ).let { testMethod = it.toMutable() }
+
+    @Test
+    fun addInstructionsToImplementationIndexed() = applyToImplementation {
+        addInstructions(5, getTestInstructions(5..6)).also {
+            assertRegisterIs(5, 5)
+            assertRegisterIs(6, 6)
+
+            assertRegisterIs(5, 7)
+        }
+    }
+
+    @Test
+    fun addInstructionsToImplementation() = applyToImplementation {
+        addInstructions(getTestInstructions(10..11)).also {
+            assertRegisterIs(10, 10)
+            assertRegisterIs(11, 11)
+        }
+    }
+
+    @Test
+    fun removeInstructionsFromImplementationIndexed() = applyToImplementation {
+        removeInstructions(5, 5).also { assertRegisterIs(4, 4) }
+    }
+
+    @Test
+    fun removeInstructionsFromImplementation() = applyToImplementation {
+        removeInstructions(0).also { assertRegisterIs(9, 9) }
+        removeInstructions(1).also { assertRegisterIs(1, 0) }
+        removeInstructions(2).also { assertRegisterIs(3, 0) }
+    }
+
+    @Test
+    fun replaceInstructionsInImplementationIndexed() = applyToImplementation {
+        replaceInstructions(5, getTestInstructions(0..1)).also {
+            assertRegisterIs(0, 5)
+            assertRegisterIs(1, 6)
+            assertRegisterIs(7, 7)
+        }
+    }
+
+    @Test
+    fun addInstructionToMethodIndexed() = applyToMethod {
+        addInstruction(5, TestInstruction(0)).also { assertRegisterIs(0, 5) }
+    }
+
+    @Test
+    fun addInstructionToMethod() = applyToMethod {
+        addInstruction(TestInstruction(0)).also { assertRegisterIs(0, 10) }
+    }
+
+    @Test
+    fun addSmaliInstructionToMethodIndexed() = applyToMethod {
+        addInstruction(5, getTestSmaliInstruction(0)).also { assertRegisterIs(0, 5) }
+    }
+
+    @Test
+    fun addSmaliInstructionToMethod() = applyToMethod {
+        addInstruction(getTestSmaliInstruction(0)).also { assertRegisterIs(0, 10) }
+    }
+
+    @Test
+    fun addInstructionsToMethodIndexed() = applyToMethod {
+        addInstructions(5, getTestInstructions(0..1)).also {
+            assertRegisterIs(0, 5)
+            assertRegisterIs(1, 6)
+
+            assertRegisterIs(5, 7)
+        }
+    }
+
+    @Test
+    fun addInstructionsToMethod() = applyToMethod {
+        addInstructions(getTestInstructions(0..1)).also {
+            assertRegisterIs(0, 10)
+            assertRegisterIs(1, 11)
+
+            assertRegisterIs(9, 9)
+        }
+    }
+
+    @Test
+    fun addSmaliInstructionsToMethodIndexed() = applyToMethod {
+        addInstructionsWithLabels(5, getTestSmaliInstructions(0..1)).also {
+            assertRegisterIs(0, 5)
+            assertRegisterIs(1, 6)
+
+            assertRegisterIs(5, 7)
+        }
+    }
+
+    @Test
+    fun addSmaliInstructionsToMethod() = applyToMethod {
+        addInstructions(getTestSmaliInstructions(0..1)).also {
+            assertRegisterIs(0, 10)
+            assertRegisterIs(1, 11)
+
+            assertRegisterIs(9, 9)
+        }
+    }
+
+    @Test
+    fun addSmaliInstructionsWithExternalLabelToMethodIndexed() = applyToMethod {
+        val label = ExternalLabel("testLabel", getInstruction(5))
+
+        addInstructionsWithLabels(
+            5,
+            getTestSmaliInstructions(0..1).plus("\n").plus("goto :${label.name}"),
+            label
+        ).also {
+            assertRegisterIs(0, 5)
+            assertRegisterIs(1, 6)
+            assertRegisterIs(5, 8)
+
+            val gotoTarget = getInstruction<BuilderOffsetInstruction>(7)
+                .target.location.instruction as OneRegisterInstruction
+
+            assertEquals(5, gotoTarget.registerA)
+        }
+    }
+
+    @Test
+    fun removeInstructionFromMethodIndexed() = applyToMethod {
+        removeInstruction(5).also {
+            assertRegisterIs(4, 4)
+            assertRegisterIs(6, 5)
+        }
+    }
+
+    @Test
+    fun removeInstructionsFromMethodIndexed() = applyToMethod {
+        removeInstructions(5, 5).also { assertRegisterIs(4, 4) }
+    }
+
+    @Test
+    fun removeInstructionsFromMethod() = applyToMethod {
+        removeInstructions(0).also { assertRegisterIs(9, 9) }
+        removeInstructions(1).also { assertRegisterIs(1, 0) }
+        removeInstructions(2).also { assertRegisterIs(3, 0) }
+    }
+
+    @Test
+    fun replaceInstructionInMethodIndexed() = applyToMethod {
+        replaceInstruction(5, TestInstruction(0)).also { assertRegisterIs(0, 5) }
+    }
+
+    @Test
+    fun replaceInstructionsInMethodIndexed() = applyToMethod {
+        replaceInstructions(5, getTestInstructions(0..1)).also {
+            assertRegisterIs(0, 5)
+            assertRegisterIs(1, 6)
+            assertRegisterIs(7, 7)
+        }
+    }
+
+    @Test
+    fun replaceSmaliInstructionsInMethodIndexed() = applyToMethod {
+        replaceInstructions(5, getTestSmaliInstructions(0..1)).also {
+            assertRegisterIs(0, 5)
+            assertRegisterIs(1, 6)
+            assertRegisterIs(7, 7)
+        }
+    }
+
+    // region Helper methods
+
+    private fun applyToImplementation(block: MutableMethodImplementation.() -> Unit) {
+        testMethodImplementation.apply(block)
+    }
+
+    private fun applyToMethod(block: MutableMethod.() -> Unit) {
+        testMethod.apply(block)
+    }
+
+    private fun MutableMethodImplementation.assertRegisterIs(register: Int, atIndex: Int) = assertEquals(
+        register, getInstruction<OneRegisterInstruction>(atIndex).registerA
+    )
+
+    private fun MutableMethod.assertRegisterIs(register: Int, atIndex: Int) =
+        implementation!!.assertRegisterIs(register, atIndex)
+
+    private fun getTestInstructions(range: IntRange) = range.map { TestInstruction(it) }
+
+    private fun getTestSmaliInstruction(register: Int) = "const/16 v$register, 0"
+
+    private fun getTestSmaliInstructions(range: IntRange) = range.joinToString("\n") {
+        getTestSmaliInstruction(it)
+    }
+
+    // endregion
+
+    private class TestInstruction(register: Int) : BuilderInstruction21s(Opcode.CONST_16, register, 0)
+}

src/test/kotlin/app/revanced/patcher/usage/bytecode/ExampleBytecodePatch.kt

@@ -1,9 +1,8 @@
 package app.revanced.patcher.usage.bytecode
 
-import app.revanced.patcher.BytecodeContext
 import app.revanced.patcher.annotation.Description
 import app.revanced.patcher.annotation.Name
-import app.revanced.patcher.annotation.Version
+import app.revanced.patcher.data.BytecodeContext
 import app.revanced.patcher.extensions.InstructionExtensions.addInstructionsWithLabels
 import app.revanced.patcher.extensions.InstructionExtensions.replaceInstruction
 import app.revanced.patcher.extensions.or
@@ -16,32 +15,31 @@ import app.revanced.patcher.usage.resource.annotation.ExampleResourceCompatibili
 import app.revanced.patcher.usage.resource.patch.ExampleResourcePatch
 import app.revanced.patcher.util.proxy.mutableTypes.MutableField.Companion.toMutable
 import app.revanced.patcher.util.proxy.mutableTypes.MutableMethod.Companion.toMutable
+import com.android.tools.smali.dexlib2.AccessFlags
+import com.android.tools.smali.dexlib2.Format
+import com.android.tools.smali.dexlib2.Opcode
+import com.android.tools.smali.dexlib2.builder.MutableMethodImplementation
+import com.android.tools.smali.dexlib2.builder.instruction.BuilderInstruction11x
+import com.android.tools.smali.dexlib2.builder.instruction.BuilderInstruction21c
+import com.android.tools.smali.dexlib2.iface.instruction.formats.Instruction21c
+import com.android.tools.smali.dexlib2.immutable.ImmutableField
+import com.android.tools.smali.dexlib2.immutable.ImmutableMethod
+import com.android.tools.smali.dexlib2.immutable.ImmutableMethodImplementation
+import com.android.tools.smali.dexlib2.immutable.reference.ImmutableFieldReference
+import com.android.tools.smali.dexlib2.immutable.reference.ImmutableStringReference
+import com.android.tools.smali.dexlib2.immutable.value.ImmutableFieldEncodedValue
+import com.android.tools.smali.dexlib2.util.Preconditions
 import com.google.common.collect.ImmutableList
-import org.jf.dexlib2.AccessFlags
-import org.jf.dexlib2.Format
-import org.jf.dexlib2.Opcode
-import org.jf.dexlib2.builder.MutableMethodImplementation
-import org.jf.dexlib2.builder.instruction.BuilderInstruction11x
-import org.jf.dexlib2.builder.instruction.BuilderInstruction21c
-import org.jf.dexlib2.iface.instruction.formats.Instruction21c
-import org.jf.dexlib2.immutable.ImmutableField
-import org.jf.dexlib2.immutable.ImmutableMethod
-import org.jf.dexlib2.immutable.ImmutableMethodImplementation
-import org.jf.dexlib2.immutable.reference.ImmutableFieldReference
-import org.jf.dexlib2.immutable.reference.ImmutableStringReference
-import org.jf.dexlib2.immutable.value.ImmutableFieldEncodedValue
-import org.jf.dexlib2.util.Preconditions
 
 @Patch
 @Name("example-bytecode-patch")
 @Description("Example demonstration of a bytecode patch.")
 @ExampleResourceCompatibility
-@Version("0.0.1")
 @DependsOn([ExampleResourcePatch::class])
 class ExampleBytecodePatch : BytecodePatch(listOf(ExampleFingerprint)) {
     // This function will be executed by the patcher.
     // You can treat it as a constructor
-    override suspend fun execute(context: BytecodeContext) {
+    override fun execute(context: BytecodeContext) {
         // Get the resolved method by its fingerprint from the resolver cache
         val result = ExampleFingerprint.result!!
 
@@ -61,7 +59,7 @@ class ExampleBytecodePatch : BytecodePatch(listOf(ExampleFingerprint)) {
         implementation.replaceStringAt(startIndex, "Hello, ReVanced! Editing bytecode.")
 
         // Get the class in which the method matching our fingerprint is defined in.
-        val mainClass = context.classes.findClassProxied {
+        val mainClass = context.findClass {
             it.type == result.classDef.type
         }!!.mutableClass
 

src/test/kotlin/app/revanced/patcher/usage/bytecode/ExampleFingerprint.kt

@@ -2,8 +2,8 @@ package app.revanced.patcher.usage.bytecode
 import app.revanced.patcher.extensions.or
 import app.revanced.patcher.fingerprint.method.annotation.FuzzyPatternScanMethod
 import app.revanced.patcher.fingerprint.method.impl.MethodFingerprint
-import org.jf.dexlib2.AccessFlags
+import com.android.tools.smali.dexlib2.AccessFlags
-import org.jf.dexlib2.Opcode
+import com.android.tools.smali.dexlib2.Opcode
 
 @FuzzyPatternScanMethod(2)
 object ExampleFingerprint : MethodFingerprint(