snippet
作者:
xiaoluo | 来源:发表于
2022-08-02 21:19 被阅读0次 @Override
protected void onDraw(Canvas canvas) {
// Translate rotation axe to the center.
canvas.translate(canvas.getWidth()/2, canvas.getHeight()/2);
// Rotate!
canvas.rotate(rotation(3));
// Put back to its original place.
canvas.translate(-canvas.getWidth()/2, -canvas.getHeight()/2);
// Invalidate the view.
postInvalidateOnAnimation();
super.onDraw(canvas);
}
view.postOnAnimation(runnable);
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