async void PickPhotoAsync()
{
viewModel.IsBusy = true;
await CrossMedia.Current.Initialize();
if (!CrossMedia.Current.IsPickPhotoSupported)
{
await DisplayAlert("Fehler", "Dein Gerät unterstützt diese Funktion nicht", "OK");
return;
}
var storageStatus = await CrossPermissions.Current.CheckPermissionStatusAsync(Permission.Storage);
if (storageStatus != PermissionStatus.Granted)
{
var results = await CrossPermissions.Current.RequestPermissionsAsync(new[] { Permission.Storage });
storageStatus = results[Permission.Storage];
}
if (storageStatus != PermissionStatus.Granted)
{
await DisplayAlert("Fehlende Berechtigung", "Die App darf keine Fotos aus der Galerie laden", "OK");
//On iOS you may want to send your user to the settings screen.
//CrossPermissions.Current.OpenAppSettings();
return;
}
MediaFile image = await CrossMedia.Current.PickPhotoAsync();
if (image == null)
{
return;
}
ImageCropPage cropPage = new ImageCropPage(Container);
cropPage.OnCropResult += (result) =>
{
viewModel.IsBusy = true;
newImage = result;
viewModel.Image = ImageSource.FromStream(() => new MemoryStream(result));
removeImage = false;
viewModel.IsBusy = false;
};
await Navigation.PushAsync(cropPage);
await Task.Run(() => cropPage.SetSource(ImageSource.FromStream(() => image.GetStream())));
viewModel.IsBusy = false;
}
async void TakePhotoAsync()
{
await CrossMedia.Current.Initialize();
if (!CrossMedia.Current.IsCameraAvailable || !CrossMedia.Current.IsTakePhotoSupported)
{
await DisplayAlert("Fehler", "Dein Gerät unterstützt diese Funktion nicht", "OK");
return;
}
var cameraStatus = await CrossPermissions.Current.CheckPermissionStatusAsync(Permission.Camera);
var storageStatus = await CrossPermissions.Current.CheckPermissionStatusAsync(Permission.Storage);
if (cameraStatus != PermissionStatus.Granted || storageStatus != PermissionStatus.Granted)
{
var results = await CrossPermissions.Current.RequestPermissionsAsync(new[] { Permission.Camera, Permission.Storage });
cameraStatus = results[Permission.Camera];
storageStatus = results[Permission.Storage];
}
if (cameraStatus != PermissionStatus.Granted || storageStatus != PermissionStatus.Granted)
{
await DisplayAlert("Fehlende Berechtigung", "Die App darf keine Fotos aufnehmen", "OK");
//On iOS you may want to send your user to the settings screen.
//CrossPermissions.Current.OpenAppSettings();
return;
}
MediaFile image = await CrossMedia.Current.TakePhotoAsync(new StoreCameraMediaOptions()
{
AllowCropping = true,
DefaultCamera = CameraDevice.Rear,
MaxWidthHeight = 300,
PhotoSize = PhotoSize.Small,
Directory = "profile",
Name = model.Id + ".jpg"
});
if (image == null)
{
return;
}
ImageCropPage cropPage = new ImageCropPage(Container);
cropPage.OnCropResult += (result) =>
{
viewModel.IsBusy = true;
newImage = result;
viewModel.Image = ImageSource.FromStream(() => new MemoryStream(result));
removeImage = false;
viewModel.IsBusy = false;
};
await Navigation.PushAsync(cropPage);
await Task.Run(() => cropPage.SetSource(ImageSource.FromStream(() => image.GetStream())));
viewModel.IsBusy = false;
}