MainActivity Class

package com.********.surfaceviewtest;

import android.app.Activity;
import android.media.AudioManager;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.util.Log;
import android.view.Menu;
import android.view.MenuItem;
import android.view.Window;
import android.view.WindowManager;

import com.adanoidz.surfaceviewtest.Screen.Screen;

public class MainActivity extends Activity {

    Screen screen;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        setVolumeControlStream(AudioManager.STREAM_MUSIC);

        getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,
                WindowManager.LayoutParams.FLAG_FULLSCREEN);
        getWindow().setFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON,
                WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
        requestWindowFeature(Window.FEATURE_NO_TITLE);

        screen = new Screen(this);
        setContentView(screen);
    }

    public void onPause() {
        super.onPause();

        screen.onPause();
    }

    public void onResume() {
        super.onResume();

        screen.onResume();
    }

    @Override
    public void onStop() {
        super.onStop();
        screen.onStop(isFinishing());
        if (isFinishing()) {

        }
    }

}