Success BroadcastReceiver

MyBroadCastReciever.java

public class MyBroadCastReciever extends BroadcastReceiver {

    @Override
    public void onReceive(Context context, Intent intent) {
        if (intent.getAction().equals(Intent.ACTION_SCREEN_OFF)) {
            Log.i("Check","Screen went OFF");
            Toast.makeText(context, "screen OFF",Toast.LENGTH_LONG).show();
        } else if (intent.getAction().equals(Intent.ACTION_SCREEN_ON)) {
            Log.i("Check","Screen went ON");
            Toast.makeText(context, "screen ON",Toast.LENGTH_LONG).show();
        }
    }
}

MainActivity.java

IntentFilter filter = new IntentFilter(Intent.ACTION_SCREEN_OFF);
        MyBroadCastReciever r = new MyBroadCastReciever();
        registerReceiver(r,filter);
        
        IntentFilter filter2 = new IntentFilter(Intent.ACTION_SCREEN_ON);
        MyBroadCastReciever r2 = new MyBroadCastReciever();
        registerReceiver(r2,filter2);