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POHow to smooth out animation using SurfaceView?
 

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  1. POHow to smooth out animation using SurfaceView?
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    <pre><code>import android.os.Bundle; import android.app.Activity; import android.content.Context; import android.graphics.Canvas; import android.graphics.Color; import android.graphics.Paint; import android.view.MotionEvent; import android.view.SurfaceHolder; import android.view.SurfaceView; import android.view.View; import android.view.View.OnTouchListener; public class Play extends Activity implements OnTouchListener { MKZSurface ourSurfaceView; float x, y, sx, sy, fx, fy; float cW, cH; float ballx, bally; float blockx = 0; int counter = 0; int countx = 0, county = 0; int ballc; long startTime, currentTime, ballStartTime, ballTime; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); ourSurfaceView = new MKZSurface(this); ourSurfaceView.setOnTouchListener(this); setContentView(ourSurfaceView); startTime = System.currentTimeMillis(); } @Override protected void onPause() { // TODO Auto-generated method stub super.onPause(); ourSurfaceView.pause(); } @Override protected void onResume() { // TODO Auto-generated method stub super.onResume(); ourSurfaceView.resume(); } @Override public boolean onTouch(View arg0, MotionEvent event) { // TODO Auto-generated method stub try { Thread.sleep(20); } catch (InterruptedException e) { // TODO Auto-generated catch block e.printStackTrace(); } x = event.getX(); y = event.getY(); switch (event.getAction()) { case MotionEvent.ACTION_DOWN: sx = event.getX(); sy = event.getY(); break; case MotionEvent.ACTION_UP: fx = event.getX(); fy = event.getY(); break; } return true; } public void svBackGround(Canvas canvas, Paint SolidC) { canvas.drawRect(0, (cH - 100), cW, cH, SolidC); canvas.drawRect(0, 0, cW, 100, SolidC); } public boolean ballJump() { if (sx != 0 &amp;&amp; sy != 0) { return true; } else { return false; } } public void Jump() { if (ballc == 0) { ballStartTime = System.currentTimeMillis(); ballc = 1; } if (ballc == 1) { ballTime = System.currentTimeMillis(); } if (county &gt;= -50 &amp;&amp; counter == 0 &amp;&amp; ballTime - ballStartTime &lt;= 1000) { county -= 10; } else if (county &lt;= -50 &amp;&amp; ballTime - ballStartTime &lt;= 1000) { counter = 1; } else if (ballTime - ballStartTime &gt;= 1000 &amp;&amp; county &lt; 0) { county += 10; counter = 1; } if (ballTime - ballStartTime &gt;= 250 &amp;&amp; county == 0 &amp;&amp; counter == 1) { sx = 0; sy = 0; ballc = 0; counter = 0; } } public class MKZSurface extends SurfaceView implements Runnable { SurfaceHolder ourHolder; Thread ourThread = null; boolean isRunning = false; public MKZSurface(Context context) { super(context); ourHolder = getHolder(); // TODO Auto-generated } public void pause() { isRunning = false; while (true) { try { ourThread.join(); } catch (InterruptedException e) { // TODO Auto-generated catch block e.printStackTrace(); } break; } ourThread = null; } public void resume() { isRunning = true; ourThread = new Thread(this); ourThread.start(); } @Override public void run() { // TODO Auto-generated method stub while (isRunning) { if (!ourHolder.getSurface().isValid()) continue; Canvas canvas = ourHolder.lockCanvas(); canvas.drawRGB(255, 255, 255); Paint SolidC = new Paint(); SolidC.setColor(Color.LTGRAY); Paint BallC = new Paint(); BallC.setColor(Color.CYAN); if (ballJump() == true) { Jump(); } cW = canvas.getWidth(); cH = canvas.getHeight(); ballx += 10; bally = (cH - 115) + county; canvas.drawCircle(ballx, bally, 15, BallC); svBackGround(canvas, SolidC); ourHolder.unlockCanvasAndPost(canvas); } } } </code></pre> <p>The animation isn't smooth and doesnt fade in with each other, I've tried to increase the frame rate but it doesn't help and I've reduced the distance. How do i make the animation smoother? It just recreates the circle at a different point, and doesn't show it move. How do I make the ball seem as it is moving?</p>
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