Hi, all!
How can I draw the content of ViewGroup in SurfaceView? I don't see
anything at screen. I use the extended class AbsoluteLayout from
ViewGroup. My pseudo code likes this:
...
class SomeView extends View {
public SomeView(Context context) {
super(context);
}
@Override
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec)
{
setMeasuredDimension(34, 34);
}
@Override
protected void onDraw(Canvas canvas) {
super.onDraw(canvas);
Paint paint = new Paint();
paint.setColor(Color.RED);
canvas.drawRect(0, 0, getWidth(), getHeight(), paint);
}
}
...
AbsoluteLayout layout = new AbsoluteLayout(context);
layout.addView(new SomeView(context), new AbsoluteLayout.LayoutParams
(35,35, 100,100));
...
SurfaceHolder holder = surface.getHolder();
...
// In some thread with SurfaceHolder I do:
public void run() {
while (running) {
Canvas canvas = null;
try {
canvas = holder.lockCanvas(null);
synchronized (holder) {
layout.draw(canvas);
}
} finally {
if (canvas != null) {
holder.unlockCanvasAndPost(canvas);
}
}
}
}
...
I don't understand why this code don't show anything.
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