Launch an Android application on Bootup

If you want to start an android application on device restarts, you need to listen for BOOT_COMPLETED broadcast in the manifest file and launch the Launcher activity in onreceive of BOOT_COMPLETED broadcast receiver.

Follow below steps to launch activity on device boot up :-

1. Register for Boot completed receiver in Android Manifest file.

Add below Permission to receive BOOT_COMPLETED broadcast,

    <uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED" />

Register for Boot completed broadcast receiver ,

<receiver
    android:name="AppAutostartReceiver"
    android:enabled="true" >
    <intent-filter>
        <action android:name="android.intent.action.BOOT_COMPLETED" />
    </intent-filter>
</receiver>

2. Add custom Broadcast receiver in the application,

public class AppAutostartReceiver extends BroadcastReceiver {

    @Override
    public void onReceive(Context context, Intent intent) {

        if(intent.getAction().equals(Intent.ACTION_BOOT_COMPLETED)){
            Intent i = new Intent(context, LauncherActivity.class); // Launch application here..
            i.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
            context.startActivity(i);
        }
    }
}