Android Example-Draw a Spritesheet on a Canvas

MainActivity.java

package in.kantapp.example24;

import android.os.Bundle;
import android.annotation.SuppressLint;
import android.app.Activity;
import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.Canvas;
import android.view.Menu;
import android.view.MotionEvent;
import android.view.SurfaceHolder;
import android.view.SurfaceView;
import android.view.View;
import android.view.View.OnTouchListener;

public class MainActivity extends Activity implements OnTouchListener{

    Ourview v;
    Bitmap bm , bitmap1;
    float x,y;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        // TODO Auto-generated method stub
        super.onCreate(savedInstanceState);
        v = new Ourview(this);
        v.setOnTouchListener(this);
        bm = BitmapFactory.decodeResource(getResources(), R.drawable.rasenshuriken);
        bitmap1 = BitmapFactory.decodeResource(getResources(), R.drawable.pin);

        x=0;y=0;
        setContentView(v);
    }

    @Override
    protected void onPause() {
        // TODO Auto-generated method stub
        super.onPause();
        v.pause();
    }

    @Override
    protected void onResume() {
        // TODO Auto-generated method stub
        super.onResume();
        v.resume();
    }

    // surface view is going to be a thread now
    class Ourview extends SurfaceView implements Runnable {

        Thread th = null;
        SurfaceHolder holder;
        boolean var = false;
        sprite sprite_object;
        boolean sprite_loaded = false;
        public Ourview(Context context) {
            super(context);
            // TODO Auto-generated constructor stub
            holder = getHolder();


        }

        @Override
        public void run() {
            // TODO Auto-generated method stub
            while (var = true) {
                // do stuff
                if (!holder.getSurface().isValid()) {
                    continue;
                }
                if(!sprite_loaded){
                    sprite_object = new sprite(this,bitmap1);
                    sprite_loaded=true;
                }
                Canvas c = holder.lockCanvas();// while drawing on a canvas we
                // lock it and after drawing on
                // it we unlock it
                OnDraw(c);
                holder.unlockCanvasAndPost(c);
            }
        }

        @SuppressLint("WrongCall")
        void OnDraw(Canvas c){
            c.drawARGB(255, 250, 150, 20);//rgb values
            c.drawBitmap(bm, x -(bm.getWidth()/2), y -(bm.getHeight()/2), null );
            sprite_object.onDraw(c);
        }

        public void pause() {

            var = false;
            while (true) {
                try {
                    th.join();// would pause the currently executing thread till
                    // the user finishes its job
                } catch (InterruptedException e) {
                    // TODO Auto-generated catch block
                    e.printStackTrace();
                }
                break;
            }
            th = null;
        }

        public void resume() {
            var = true;
            th = new Thread(this);
            th.start();
        }
    }

    @Override
    public boolean onTouch(View v, MotionEvent me) {
        // TODO Auto-generated method stub

        //x=me.getX();//ontouch listener
        //y=me.getY();

        try {
            Thread.sleep(80);
        } catch (InterruptedException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
        switch (me.getAction()) {
            case MotionEvent.ACTION_DOWN:
                x= me.getX();
                y=me.getY();
                break;

            case MotionEvent.ACTION_UP:
                x= me.getX();
                y=me.getY();
                break;

            case MotionEvent.ACTION_MOVE:
                x= me.getX();
                y=me.getY();
                break;

            default:
                break;
        }

        return true;
    }

}

Sprite.java

package in.kantapp.example24;

import android.graphics.Bitmap;
import android.graphics.Bitmap;
import android.graphics.Canvas;
import android.graphics.Rect;
import in.kantapp.example24.MainActivity.Ourview;

public class sprite {

    int x,y,xspeed,yspeed,height,width;
    Bitmap b;
    Ourview our_view;
    public sprite(Ourview ourview, Bitmap bitmap1) {
        // TODO Auto-generated constructor stub
        b=bitmap1;
        our_view=ourview;
        height =b.getHeight();
        width = b.getWidth();
        x=y=0;
        xspeed=5;
        yspeed=0;
    }

    public void onDraw(Canvas c) {
        // TODO Auto-generated method stub
        update();
        Rect src = new Rect(0, 0, width, height);
        Rect dst = new Rect(x,y,x+width,y+height);
        c.drawBitmap(b,src, dst, null);
    }

    private void update() {
        // TODO Auto-generated method stub
        x+=xspeed;
        y+=yspeed;
    }

}