maui-linux/Xamarin.Forms.Platform.Android/Renderers/ImageLoaderSourceHandler.cs

30 строки
917 B
C#

using System.IO;
using System.Threading;
using System.Threading.Tasks;
using Android.Content;
using Android.Graphics;
using Xamarin.Forms.Internals;
namespace Xamarin.Forms.Platform.Android
{
public sealed class ImageLoaderSourceHandler : IImageSourceHandler
{
public async Task<Bitmap> LoadImageAsync(ImageSource imagesource, Context context, CancellationToken cancelationToken = default(CancellationToken))
{
var imageLoader = imagesource as UriImageSource;
Bitmap bitmap = null;
if (imageLoader?.Uri != null)
{
using (Stream imageStream = await imageLoader.GetStreamAsync(cancelationToken).ConfigureAwait(false))
bitmap = await BitmapFactory.DecodeStreamAsync(imageStream).ConfigureAwait(false);
}
if (bitmap == null)
{
Log.Warning(nameof(ImageLoaderSourceHandler), "Could not retrieve image or image data was invalid: {0}", imageLoader);
}
return bitmap;
}
}
}