/** 异步加载头像位图到ImageLoader内存缓存 */
private static void asyncLoadAvatarBitmapToCache(UserInfoProvider.UserInfo userInfo) {
if (userInfo == null || !isImageUriValid(userInfo.getAvatar())) {
return;
}
String url = HeadImageView.getAvatarCacheKey(userInfo.getAvatar());
ImageLoader.getInstance()
.loadImage(
url,
new ImageSize(
HeadImageView.DEFAULT_AVATAR_THUMB_SIZE, HeadImageView.DEFAULT_AVATAR_THUMB_SIZE),
avatarLoadOption,
null);
}
/** 从ImageLoader内存缓存中取出头像位图 */
private static Bitmap getMemoryCachedAvatarBitmap(UserInfoProvider.UserInfo userInfo) {
if (userInfo == null || !isImageUriValid(userInfo.getAvatar())) {
return null;
}
String key = HeadImageView.getAvatarCacheKey(userInfo.getAvatar());
// DiskCacheUtils.findInCache(uri, ImageLoader.getInstance().getDiskCache() 查询磁盘缓存示例
List<Bitmap> bitmaps =
MemoryCacheUtils.findCachedBitmapsForImageUri(
key, ImageLoader.getInstance().getMemoryCache());
if (bitmaps.size() > 0) {
return bitmaps.get(0);
}
return null;
}