private async void FetchButton_Click(object sender, RoutedEventArgs e)
{
await _imagePipeline.ClearCachesAsync();
ImageGrid.Items.Clear();
for (int i = 0; i < MainPage.NUM_IMAGES; i++)
{
FetchDecodedImage();
}
}
private async void Fetch_Click(object sender, RoutedEventArgs e)
{
var imageId = _rnd.Next(1, 100);
await _imagePipeline.ClearCachesAsync();
UpdateImage(Image1, new Uri($"https://picsum.photos/800/600?image={ imageId }"));
UpdateImage(Image2, new Uri($"https://picsum.photos/800/600?image={ imageId + 1}"));
UpdateImage(Image3, new Uri($"https://picsum.photos/800/600?image={ imageId + 2 }"));
UpdateImage(Image4, new Uri($"https://picsum.photos/800/600?image={ imageId + 3 }"));
}
public async Task TestClearCaches()
{
var request = _requestBuilder.Build();
await _imagePipeline.FetchDecodedBitmapImageAsync(request).ConfigureAwait(false);
Assert.IsTrue(_imagePipeline.IsInBitmapMemoryCache(request));
Assert.IsTrue(await _imagePipeline.IsInDiskCacheAsync(request).ConfigureAwait(false));
await _imagePipeline.ClearCachesAsync().ConfigureAwait(false);
Assert.IsFalse(_imagePipeline.IsInBitmapMemoryCache(request));
Assert.IsFalse(await _imagePipeline.IsInDiskCacheAsync(request).ConfigureAwait(false));
}
private async void ClearCachesButton_Click(object sender, RoutedEventArgs e)
{
await _imagePipeline.ClearCachesAsync().ConfigureAwait(false);
}
