ChatBubbleLayout.java 文件源码

private NinePatchDrawable createMask(@DrawableRes int res) {
    final Bitmap maskBitmap = BitmapFactory.decodeResource(getResources(), res);
    final NinePatch patch = new NinePatch(maskBitmap, maskBitmap.getNinePatchChunk(), "BubbleMask");
    return new NinePatchDrawable(getResources(), patch);
}