The screen is actually black. Could it be due to an enable somewhere
which I've not set?
Has anybody experienced that before?
Thanks.
On Oct 21, 9:44 am, Rockline <rockl...@gmail.com> wrote:
> Any ideas?
>
> On Oct 19, 12:44 pm, Rockline <rockl...@gmail.com> wrote:
>
>
>
>
>
>
>
> > Hi gents,
>
> > I'm trying to develop an animatedwallpaperfor Android 2.1.
> > My first step would be to draw aJPEGimage onto the screen but it
> > doesn't seem to work.
>
> > Any idea?
>
> > public class RumblefishWallpaper extends WallpaperService {
>
> > @Override
> > public void onCreate() {
> > super.onCreate();
> > }
>
> > @Override
> > public void onDestroy() {
> > super.onDestroy();
> > }
>
> > @Override
> > public Engine onCreateEngine() {
> > Context c = this.getApplicationContext();
> > return new RumblefishWallpaperEngine(c);
> > }
>
> > public class RumblefishWallpaperEngine extends Engine {
> > private float mTouchX = -1;
> > private float mTouchY = -1;
> > private Context myContext;
>
> > RumblefishWallpaperEngine(Context c)
> > {
> > myContext = c;
> > drawFrame();
> > }
>
> > private final Runnable mDrawCube = new Runnable() {
> > public void run() {
> > drawFrame();
> > }
> > };
>
> > @Override
> > public void onCreate(SurfaceHolder surfaceHolder) {
> > super.onCreate(surfaceHolder);
>
> > // By default we don't get touch events, so enable them.
> > setTouchEventsEnabled(true);
> > }
>
> > /*
> > * Store the position of the touch event so we can use it for
> > drawing later
> > */
> > @Override
> > public void onTouchEvent(MotionEvent event) {
> > if (event.getAction() == MotionEvent.ACTION_MOVE) {
> > mTouchX = event.getX();
> > mTouchY = event.getY();
> > } else {
> > mTouchX = -1;
> > mTouchY = -1;
> > }
> > drawFrame();
> > super.onTouchEvent(event);
> > }
>
> > void drawFrame() {
> > final SurfaceHolder holder = getSurfaceHolder();
>
> > Canvas c = null;
> > try {
> > c = holder.lockCanvas();
> > if (c != null) {
> > // draw something
> > Resources alpha = myContext.getResources();
> > Drawable a =
> > alpha.getDrawable(R.drawable.icon);
> > a.draw(c);
> > }
> > } finally {
> > if (c != null) holder.unlockCanvasAndPost(c);
> > }
> > }
>
> > }
>
> > }
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