private async Task OnChoosePicture()
{
try
{
var cameraStatus = await CrossPermissions.Current.CheckPermissionStatusAsync(Permission.Camera);
var storageStatus = await CrossPermissions.Current.CheckPermissionStatusAsync(Permission.Storage);
if (cameraStatus != PermissionStatus.Granted || storageStatus != PermissionStatus.Granted)
{
var statuses = await CrossPermissions.Current.RequestPermissionsAsync(new Permission[]
{ Permission.Camera, Permission.Storage });
}
var b = await CrossMedia.Current.Initialize();
string cameraStr = Translate.Get(nameof(AppResources.Camera));
string galleryStr = Translate.Get(nameof(AppResources.Gallery));
string cancelStr = Translate.Get(nameof(AppResources.Cancel));
var sourceChoice = await AlertService.Instance.DisplayActionSheet(
Translate.Get(nameof(AppResources.SelectSource)),
cancelStr, null, new[] { cameraStr, galleryStr });
if (sourceChoice == cancelStr)
{
return;
}
var mediaFile = (sourceChoice == cameraStr)
? await TakePhoto()
: await PickFromGallery();
if (mediaFile == null)
{
return;
}
IsBusy = true;
var image = new SignatureImage
{
Base64Content = GetBase64Data(mediaFile),
FileName = Path.GetFileName(mediaFile.Path)
};
PictureList.Add(image);
RaisePropertyChanged(nameof(PictureList));
}
catch (Exception ex)
{
await Alert.DisplayError(ex);
}
finally
{
IsBusy = false;
}
}
private void OnDeleteImage(SignatureImage picture)
{
PictureList.Remove(picture);
RaisePropertyChanged(nameof(PictureList));
}
