mediapicker.cs

IMediaPicker media;

btnTakePic.Clicked += async delegate
            {
                try
                {
                    progressStack.IsVisible = progressStack.IsEnabled = true;
                    App.Self.Uploaded = 0;
                    var mediaFile = await media.TakePhotoAsync(new CameraMediaStorageOptions { DefaultCamera = CameraDevice.Front, MaxPixelDimension = 400 });
                    Device.BeginInvokeOnMainThread(async () =>
                        await DisplayAlert("Uploading", "Your photo is currently being uploaded to our servers. This may take some time depending on your connection speed", "OK").ContinueWith(async w =>
                            {
                                if (w.IsCompleted)
                                {
                                    filesize = (int)mediaFile.Source.Length;
                                    DependencyService.Get<INetwork>().NetworkSpinner(true);
                                    await SendData.HttpPost(mediaFile, App.Self.Settings.GetSetting<string>("token"), userProfile.xACCid, folderid);
                                }
                            }));
                }
                catch (Exception)
                {
                }
            };

 btnUpload.Clicked += async delegate
            {
                try
                {
                    progressStack.IsVisible = progressStack.IsEnabled = true;
                    App.Self.Uploaded = 0;
                    var mediaFile = await media.SelectPhotoAsync(new CameraMediaStorageOptions
                        {
                            DefaultCamera = CameraDevice.Rear,
                            MaxPixelDimension = 400
                        });
                    Device.BeginInvokeOnMainThread(async () =>
                        await DisplayAlert("Uploading", "Your photo is currently being uploaded to our servers. This may take some time depending on your connection speed", "OK").ContinueWith(async w =>
                            {
                                if (w.IsCompleted)
                                {
                                    DependencyService.Get<INetwork>().NetworkSpinner(true);
                                    filesize = (int)mediaFile.Source.Length;
                                    await SendData.HttpPost(mediaFile, App.Self.Settings.GetSetting<string>("token"), userProfile.xACCid, folderid);
                                }
                            }));
                }
                catch (Exception)
                {
                }
            };