Add transparency options to subtitle (#281)

* feat: add state llistener to Xpandable

* feat: improve app restart process

* feat: support subtitle transparency

app/src/main/java/ani/dantotsu/Functions.kt

@@ -270,6 +270,32 @@ fun Activity.setNavigationTheme() {
     }
 }
 
+fun Activity.reloadActivity() {
+    Refresh.all()
+    finish()
+    startActivity(Intent(this, this::class.java))
+    initActivity(this)
+}
+
+fun Context.restartApp(view: View) {
+    val mainIntent = Intent.makeRestartActivityTask(
+        packageManager.getLaunchIntentForPackage(this.packageName)!!.component
+    )
+    val component = ComponentName(this@restartApp.packageName, this@restartApp::class.qualifiedName!!)
+    Snackbar.make(view, R.string.restart_app, Snackbar.LENGTH_INDEFINITE).apply {
+        setAction(R.string.do_it) {
+            this.dismiss()
+            try {
+                startActivity(Intent().setComponent(component))
+            } catch (anything: Exception) {
+                startActivity(mainIntent)
+            }
+            Runtime.getRuntime().exit(0)
+        }
+        show()
+    }
+}
+
 open class BottomSheetDialogFragment : BottomSheetDialogFragment() {
     override fun onStart() {
         super.onStart()