Hello friends, In this Tutorial. In this post, I will show you how to use Accessibility Service for Android. Before that, we need to know What is Accessibility Service . Accessibility Service Here, I am taking an example for creating Virtual Service Button instead of Default Back Button. Project Structure: Create a new Project in Android Studio with the required Specifications. Codes: AndroidManifest.xml Don't forget to add the following permission in your manifest file. <uses-permission android:name="android.permission.BIND_ACCESSIBILITY_SERVICE"/> <uses-permission android:name="android.permission.SYSTEM_ALERT_WINDOW"/> Don't forget to add the following Lines in your manifest file to create service for your application. <service android:name=".MyService" android:label="@string/app_name" android:permission="android.permission.BIND_ACCESSIBILITY_SERVICE"> <intent-filter> <...