SurfaceView Basic Setup

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

import android.content.Context;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.graphics.Typeface;
import android.media.MediaPlayer;
import android.util.Log;
import android.view.MotionEvent;
import android.view.SurfaceHolder;
import android.view.SurfaceView;
import android.view.View;

import com.adanoidz.surfaceviewtest.Audio.Audio;

public class Screen extends SurfaceView implements Runnable, View.OnTouchListener {
    Thread gameLoop;
    SurfaceHolder holder;
    Canvas canvas;
    volatile boolean running;
    final double fps = 60.0;
    double averageFPS = 0.0;
    double frameLength = 1000 / fps;
    Context context;
    Paint paint = new Paint();
    MediaPlayer mp;


    public Screen(Context context) {
        super(context);
        this.context = context;
        setOnTouchListener(this);
        holder = getHolder();
        paint.setColor(Color.rgb(255, 255, 255));
        paint.setTypeface(Typeface.DEFAULT);

        // Assign context to audio streams.
        Audio.context = this.context;
    }

    public void run() {
        long deltaTime;
        long lastFrame = System.currentTimeMillis();
        int counter = 0;
        long deltaElapsed = 0;
        if (Audio.mediaPlayer == null) {
            Audio.mediaPlayer = Audio.createMusic("media1.ogg");
            Audio.mediaPlayer.start();
            Log.e("Media", "MP is " + Audio.mediaPlayer.toString());
        }

        while (running) {
            deltaTime = System.currentTimeMillis() - lastFrame;
            lastFrame = System.currentTimeMillis();

            if (!holder.getSurface().isValid()) {
                continue;
            }

            update();
            render();
            /*counter++;
            deltaElapsed += deltaTime;
            if(counter >= 60){
                averageFPS = deltaElapsed / frameLength;
                counter = 0;
                deltaElapsed = 0;
            } */
        }
    }

    private void update() {
    }

    private void render() {
        canvas = holder.lockCanvas();
        if (Audio.mediaPaused) {
            canvas.drawRGB(125, 125, 125);
        } else {
            canvas.drawRGB(0, 0, 0);
        }
        //canvas.drawText("Set FPS: " + fps, 10, 10, paint);
        //canvas.drawText("Current FPS: " + averageFPS, 10, 30, paint);
        holder.unlockCanvasAndPost(canvas);
    }

    public void onResume() {
        running = true;
        gameLoop = new Thread(this);
        Audio.onResume();
        gameLoop.start();
    }

    public void onPause() {
        running = false;
        Audio.onPause();
        if (gameLoop != null) {
            try {
                gameLoop.join();
                return;
            } catch (Exception e) {
                // Retry
            }
        }
    }


    @Override
    public boolean onTouch(View v, MotionEvent event) {
        int action = event.getAction();

        switch (action) {
            case MotionEvent.ACTION_DOWN:
                break;
            case MotionEvent.ACTION_UP:
                if (!Audio.mediaPaused) {
                    Audio.setMediaPaused(true);
                } else {
                    Audio.setMediaPaused(false);
                }
                break;
        }
        return true;
    }

    public void onStop(boolean isFinishing) {
        Audio.onStop(isFinishing);
    }
}