ECardFlowLayout.java 文件源码

private void startTrans(int targetPosition, ImageView targetImage, RecyclingBitmapDrawable startBp, RecyclingBitmapDrawable endBp) {
    if (endBp == null)
        endBp = loadBitmap(targetPosition);
    TransitionDrawable td = new TransitionDrawable(new Drawable[] {startBp, endBp});
    targetImage.setImageDrawable(td);
    td.setCrossFadeEnabled(true);
    td.startTransition(mSwitchAnimTime);
}