ImageAnimationHelper.java 文件源码

public static void fadeInDisplay(final ImageView imageView, Drawable drawable) {
    AlphaAnimation fadeAnimation = new AlphaAnimation(0F, 1F);
    fadeAnimation.setDuration(300);
    fadeAnimation.setInterpolator(new DecelerateInterpolator());
    imageView.setImageDrawable(drawable);
    imageView.startAnimation(fadeAnimation);
}