private async Task RefreshHandle()
{
if (Xamarin.Forms.Device.RuntimePlatform == Xamarin.Forms.Device.Android)
{
var status = await _permissions.CheckPermissionStatusAsync(Permission.Location);
if (status != PermissionStatus.Granted)
{
var permissionResult = await _permissions.RequestPermissionsAsync(Permission.Location);
if (permissionResult.First().Value != PermissionStatus.Granted)
{
await _userDialogs.AlertAsync("Permission denied. Not scanning.");
_permissions.OpenAppSettings();
return;
}
}
}
await ScanForDevices();
IsRefreshing = false;
}
private async void PrintImage()
{
var action = await _pageDialogService.DisplayActionSheetAsync("Pick Photo", "Cancel",
null, TakePhoto, PickPhoto);
if (action == null)
{
return;
}
try
{
if (action.Equals(TakePhoto))
{
if (!_mediaService.IsCameraAvailable || !_mediaService.IsTakePhotoSupported)
{
await _pageDialogService.DisplayAlertAsync("No Camera", "There is no camera available", "Ok");
return;
}
var file = await _mediaService.TakePhotoAsync(new StoreCameraMediaOptions
{
Directory = "TestPrintApp",
SaveToAlbum = true,
CompressionQuality = 75,
CustomPhotoSize = 50,
PhotoSize = PhotoSize.MaxWidthHeight,
MaxWidthHeight = 2000,
DefaultCamera = CameraDevice.Front
});
if (file != null)
{
// Get stream of selected image and send to service
_printService.PrintPdfFile(file.GetStream());
}
}
else if (action.Equals(PickPhoto))
{
if (!_mediaService.IsPickPhotoSupported)
{
await _pageDialogService.DisplayAlertAsync("No Photos", "No Photo permission", "Ok");
return;
}
var file = await _mediaService.PickPhotoAsync(new PickMediaOptions
{
PhotoSize = PhotoSize.Medium,
});
if (file != null)
{
// Get stream of selected image and send to service
_printService.PrintPdfFile(file.GetStream());
}
}
}
catch (MediaPermissionException ex)
{
Debug.WriteLine(ex.ToString());
if (Device.RuntimePlatform == Device.iOS)
{
var result = await _pageDialogService.DisplayAlertAsync("Permission Rejected", "No permission", "Enable", "Cancel");
if (result)
{
_permissionService.OpenAppSettings();
}
}
else
{
await _pageDialogService.DisplayAlertAsync("Permission Rejected", "No permission", "Cancel");
}
}
}
