private void draw() {
mStartTime = System.currentTimeMillis();
SurfaceHolder holder = getSurfaceHolder();
Canvas canvas = null;
try {
canvas = holder.lockCanvas();
if (canvas != null) {
backgroundRenderer.doDraw(canvas);
// circularClockRenderer.doDraw(canvas);
}
} finally {
if (canvas != null) holder.unlockCanvasAndPost(canvas);
}
mElapsed = System.currentTimeMillis() - mStartTime;
mStartTime = System.currentTimeMillis();
handler.removeCallbacks(drawRunner);
if (visible) {
handler.postDelayed(drawRunner, 100);
}
}
