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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 FileImageSourceHandler : IImageSourceHandler
{
// This is set to true when run under designer context
internal static bool DecodeSynchronously {
get;
set;
}
public async Task<Bitmap> LoadImageAsync(ImageSource imagesource, Context context, CancellationToken cancelationToken = default(CancellationToken))
{
string file = ((FileImageSource)imagesource).File;
Bitmap bitmap;
if (File.Exists (file))
bitmap = !DecodeSynchronously ? (await BitmapFactory.DecodeFileAsync (file).ConfigureAwait (false)) : BitmapFactory.DecodeFile (file);
else
bitmap = !DecodeSynchronously ? (await context.Resources.GetBitmapAsync (file).ConfigureAwait (false)) : context.Resources.GetBitmap (file);
if (bitmap == null)
{
Log.Warning(nameof(FileImageSourceHandler), "Could not find image or image file was invalid: {0}", imagesource);
}
return bitmap;
}
}
}
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