PhotoDataAdapter.java 文件源码

private void updateTileProvider(ImageEntry entry) {
    ScreenNail screenNail = entry.screenNail;
    BitmapRegionDecoder fullImage = entry.fullImage;
    if (screenNail != null) {
        if (fullImage != null) {
            mTileProvider.setScreenNail(screenNail,
                    fullImage.getWidth(), fullImage.getHeight());
            mTileProvider.setRegionDecoder(fullImage);
        } else {
            int width = screenNail.getWidth();
            int height = screenNail.getHeight();
            mTileProvider.setScreenNail(screenNail, width, height);
        }
    } else {
        mTileProvider.clear();
    }
}