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- /**
- * 创建一个圆角的Layout, 且不影响该Layout的background
- */
- public class RoundConnerViewGroup extends ViewGroup {
- private Path path;
- private static final CONNER_RADIUS = <whatever_you_want>;
- @Override
- protected void onSizeChanged(int width, int height, int oldWidth, int oldHeight) {
- super.onSizeChanged(width, height, oldWidth, oldHeight);
- float cornerRadius = CONNER_RADIUS;
- this.path = new Path();
- this.path.addRoundRect(new RectF(0, 0, width, height), cornerRadius, cornerRadius, Path.Direction.CW);
- }
- @Override
- protected void dispatchDraw(Canvas canvas) {
- if (this.path != null) {
- canvas.clipPath(this.path);
- }
- super.dispatchDraw(canvas);
- }
- }
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