public BlobDetailsViewModel(INavigation navigation, CloudBlob blob) : base(navigation)
{
Blob = blob;
BlobFileExtension = System.IO.Path.GetExtension(blob.Name);
BlobFileType = MediaTypeMapper.GetFileTypeFromExtension(BlobFileExtension);
}
async Task ExecuteShareBlobCommandAsync()
{
if (IsBusy)
{
return;
}
App.Logger.Track(AppEvent.ShareBlob.ToString());
if (HasBlobBeenSaved)
{
try
{
#if __ANDROID__
string mimeType = MediaTypeMapper.GetMimeType(BlobFileExtension);
Android.Net.Uri uri = Android.Net.Uri.Parse("file:///" + GetBlobFilePath());
Intent intent = new Intent(Intent.ActionView);
intent.SetDataAndType(uri, mimeType);
intent.SetFlags(ActivityFlags.ClearWhenTaskReset | ActivityFlags.NewTask);
try
{
Xamarin.Forms.Forms.Context.StartActivity(intent);
}
catch (Exception ex)
{
MessagingService.Current.SendMessage <MessagingServiceAlert>(MessageKeys.Message, new MessagingServiceAlert
{
Title = "Unable to Share",
Message = "No applications available to open files of type " + BlobFileExtension,
Cancel = "OK"
});
throw ex;
}
#elif __IOS__
var extensionClassRef = new NSString(UTType.TagClassFilenameExtension);
var mimeTypeClassRef = new NSString(UTType.TagClassMIMEType);
var uti = NativeTools.UTTypeCreatePreferredIdentifierForTag(extensionClassRef.Handle, new NSString(BlobFileExtension).Handle, IntPtr.Zero);
//TODO: open file based off of type
var fi = NSData.FromFile(GetBlobFilePath());
var item = NSObject.FromObject(fi);
var activityItems = new[] { item };
var activityController = new UIActivityViewController(activityItems, null);
var topController = UIApplication.SharedApplication.KeyWindow.RootViewController;
while (topController.PresentedViewController != null)
{
topController = topController.PresentedViewController;
}
topController.PresentViewController(activityController, true, () => { });
#endif
}
catch (Exception ex)
{
App.Logger.Report(ex, Severity.Error);
}
}
}
