//请在APP起动的时候调用
public async static void TryInit() {
var options = new DisplayImageOptions.Builder()
.CacheInMemory(false)
.CacheOnDisk(true)
.Build();
var root = ApplicationData.Current.LocalFolder;
//图标
var iconDir = await root.CreateFolderAsync("icon", CreationCollisionOption.OpenIfExists);
Icon = ImageLoader.Register("icon", new ImageLoaderConfiguration.Builder()
.ThreadPoolSize(5)
.TasksProcessingOrder(QueueProcessingType.FIFO)
.DiskCache(new DiskCache(iconDir, new Md5FileNameGenerator()))
.DefaultDisplayImageOptions(options)
.ImageDownloader(new HttpClientImageDownloader())
.Build());
//像册
var photoDir = await root.CreateFolderAsync("photo", CreationCollisionOption.OpenIfExists);
Photo = ImageLoader.Register("photo", new ImageLoaderConfiguration.Builder()
.ThreadPoolSize(5)
.TasksProcessingOrder(QueueProcessingType.FIFO)
.DiskCache(new DiskCache(photoDir, new Md5FileNameGenerator()))
.DefaultDisplayImageOptions(options)
.ImageDownloader(new HttpClientImageDownloaderEx()) //使用自定义扩展支持高级用法
.Build());
}
//请在APP起动的时候调用
public static void TryInit() {
var options = new DisplayImageOptions.Builder()
.CacheInMemory(false)
.CacheOnDisk(true)
.Build();
ImageLoader.Default.Init(new ImageLoaderConfiguration.Builder()
.ThreadPoolSize(5)
.TasksProcessingOrder(QueueProcessingType.FIFO)
.DiskCache(new DiskCache(ApplicationData.Current.LocalFolder, new Md5FileNameGenerator()))
.DefaultDisplayImageOptions(options)
.ImageDownloader(new HttpClientImageDownloader())
.Build());
}
//===============
//以下是高级用户
public static void DownloadPhoto(string url, Action<BitmapImage> callback) {
var user = new User() { UserID = "1", Sex = "0" }; //可以从本地Session处取得
var options = new DisplayImageOptions.Builder()
.CacheInMemory(false)
.CacheOnDisk(true)
.ExtraForDownloader(user)
.Build();
Photo.DownloadImage(url, options, (state, uri, view, img) =>
{
if (state == LoadingState.Completed) {
callback(img);
}
});
}
