Chip.java 文件源码

private void initOutlineProvider() {
  if (VERSION.SDK_INT >= VERSION_CODES.LOLLIPOP) {
    setOutlineProvider(
        new ViewOutlineProvider() {
          @Override
          @TargetApi(Build.VERSION_CODES.LOLLIPOP)
          public void getOutline(View view, Outline outline) {
            if (chipDrawable != null) {
              chipDrawable.getOutline(outline);
            } else {
              outline.setAlpha(0.0f);
            }
          }
        });
  }
}