CommentImageGrid.java 文件源码

private void layoutChildrenView() {
    int childrenCount = getChildCount();

    for (int i = 0; i < childrenCount; i++) {
        ViewGroup childImageLayout = (ViewGroup) getChildAt(i);
        SimpleDraweeView childImageView = (SimpleDraweeView) childImageLayout.getChildAt(0);
        if (mOnItemClickListener != null) {
            final int finalI = i;
            childImageLayout.setOnClickListener(new OnClickListener() {
                @Override
                public void onClick(View v) {
                    mOnItemClickListener.OnItemClick(finalI);
                }
            });
        }
        ImageRequest request = ImageRequestBuilder.newBuilderWithSource(Uri.parse(mImageUrls.get(i)))
                .setProgressiveRenderingEnabled(true)
                .setResizeOptions(new ResizeOptions(mItemWidth, mItemWidth))
                .build();
        DraweeController controller = Fresco.newDraweeControllerBuilder()
                .setImageRequest(request)
                .setOldController(childImageView.getController())
                .build();
        childImageView.setController(controller);

        int[] position = findPosition(i);
        int itemHeight = mItemWidth;
        int left = (int) (mItemWidth + mHorizontalSpace) * position[1];
        int top = (int) (itemHeight + mVerticalSpace) * position[0];
        int right = left + mItemWidth;
        int bottom = top + itemHeight;

        childImageLayout.layout(left, top, right, bottom);
    }
}