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public class TouchBall extends Activity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
int w=getWindowManager().getDefaultDisplay().getWidth()-25;
int h=getWindowManager().getDefaultDisplay().getHeight()-25;
BallView ballView=new BallView(this,w,h);
setContentView(ballView);
}
}
public class BallView extends SurfaceView implements SurfaceHolder.Callback {
private Bitmap bitmap ;
private MyThread thread;
private int x=20,y=20;int width,height;
public BallView(Context context,int w,int h) {
super(context);
width=w;
height=h;
thread=new MyThread(getHolder(),this);
getHolder().addCallback(this);
setFocusable(true);
}
@Override
protected void onDraw(Canvas canvas) {
super.onDraw(canvas);
bitmap =BitmapFactory.decodeResource(getResources(), R.drawable.ball_green);
canvas.drawColor(Color.BLUE);//To make background
canvas.drawBitmap(bitmap,x-(bitmap.getWidth()/2),y-(bitmap.getHeight()/2),null);
}
@Override
public boolean onTouchEvent(MotionEvent event) {
x=(int)event.getX();
y=(int)event.getY();
if(x<25)
x=25;
if(x> width)
x=width;
if(y <25)
y=25;
if(y > 405)
y=405;
return true;
}
@Override
public void surfaceChanged(SurfaceHolder holder, int format, int width,int height) {
// TODO Auto-generated method stub
}
@Override
public void surfaceCreated(SurfaceHolder holder) {
thread.startrun(true);
thread.start();
}
@Override
public void surfaceDestroyed(SurfaceHolder holder) {
thread.startrun(false);
thread.stop();
}
}
thread:
public class MyThread extends Thread {
private SurfaceHolder msurfac