private void OnChooseNearbyMarkerCountCommandExecute()
        {
            var actionSheetConfig = new ActionSheetConfig();

            actionSheetConfig.Title = AppResources.ViewCell_NearbyMarkerCount;

            actionSheetConfig.Add("0", () => { Settings.NearbyMarkerCount = 0; RaisePropertyChanged(nameof(Settings)); });
            foreach (var count in Enumerable.Range(0, 8).Select(i => Convert.ToInt32(Math.Pow(2, i))))
            {
                actionSheetConfig.Add(count.ToString(), () => { Settings.NearbyMarkerCount = count; RaisePropertyChanged(nameof(Settings)); });
            }

            _userDialogs.ActionSheet(actionSheetConfig);
        }
Exemple #2
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        private void ActionSheet()
        {
            var asc = new ActionSheetConfig()
                      .SetTitle("ActionSheet")
                      .SetMessage("アクションシート")
                      .SetUseBottomSheet(false);

            asc.Add("001", () => ShowActionSheetResult("イワン・ウイスキー"));
            asc.Add("002", () => ShowActionSheetResult("ジェット・リンク"));
            asc.Add("003", () => ShowActionSheetResult("フランソワーズ・アルヌール"));
            asc.Add("004", () => ShowActionSheetResult("アルベルト・ハインリヒ"));
            asc.Add("005", () => ShowActionSheetResult("ジェロニモ・ジュニア"));
            asc.Add("006", () => ShowActionSheetResult("張々湖"));
            asc.Add("007", () => ShowActionSheetResult("グレート・ブリテン"));
            asc.Add("008", () => ShowActionSheetResult("ピュンマ"));
            asc.Add("009", () => ShowActionSheetResult("島村ジョー"));

            // removeボタン
            asc.SetDestructive("削除", () => ShowActionSheetResult("削除"));

            // cancelボタン
            asc.SetCancel("キャンセル", () => ShowActionSheetResult("キャンセル"));

            // PopoverPresentationControllerの指定はできないっぽい
            // 吹き出しは画面下部中央からでてる

            _dialogs.ActionSheet(asc);
        }
Exemple #3
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 private void OnImageTappedCommand()
 {
     _userDialogs.ActionSheet(new ActionSheetConfig()
                              .SetUseBottomSheet(true)
                              .SetTitle("")
                              .SetCancel(LocalizedResources["CancelLabel"], null, "ic_cancel.png")
                              .Add(LocalizedResources["FromGalleryLabel"], () => TakeFromGalleryAsync(), "ic_collections.png")
                              .Add(LocalizedResources["TakePictureLabel"], () => TakeFromCameraAsync(), "ic_camera_alt.png"));
 }
        private void HandleSelectedDevice(DeviceListItemViewModel device)
        {
            var config = new ActionSheetConfig();

            if (device.IsConnected)
            {
                config.Add("Details", () =>
                {
                    ShowViewModel <ServiceListViewModel>(new MvxBundle(new Dictionary <string, string> {
                        { DeviceIdKey, device.Device.Id.ToString() }
                    }));
                });
                config.Add("Update RSSI", async() =>
                {
                    try
                    {
                        _userDialogs.ShowLoading();

                        await device.Device.UpdateRssiAsync();
                        device.RaisePropertyChanged(nameof(device.Rssi));

                        _userDialogs.HideLoading();

                        _userDialogs.Toast($"RSSI updated {device.Rssi}", TimeSpan.FromSeconds(1000));
                    }
                    catch (Exception ex)
                    {
                        _userDialogs.HideLoading();
                        await _userDialogs.AlertAsync($"Failed to update rssi. Exception: {ex.Message}");
                    }
                });

                config.Destructive = new ActionSheetOption("Disconnect", () => DisconnectCommand.Execute(device));
            }
            else
            {
                config.Add("Connect", async() =>
                {
                    if (await ConnectDeviceAsync(device))
                    {
                        var navigation = Mvx.Resolve <IMvxNavigationService>();
                        await navigation.Navigate <ServiceListViewModel, MvxBundle>(new MvxBundle(new Dictionary <string, string> {
                            { DeviceIdKey, device.Device.Id.ToString() }
                        }));
                    }
                });

                config.Add("Connect & Dispose", () => ConnectDisposeCommand.Execute(device));
            }

            config.Add("Copy GUID", () => CopyGuidCommand.Execute(device));
            config.Cancel = new ActionSheetOption("Cancel");
            config.SetTitle("Device Options");
            _userDialogs.ActionSheet(config);
        }
        public FileManagerViewModel(IUserDialogs dialogs, IFileSystem fileSystem)
        {
            this.dialogs    = dialogs;
            this.fileSystem = fileSystem;

            this.Select = ReactiveCommand.Create <FileEntryViewModel>(entry =>
            {
                var cfg = new ActionSheetConfig().AddCancel();

                if (entry.IsDirectory)
                {
                    cfg.Add("Enter", () => this.CurrentPath = entry.Entry.FullName);
                }
                else
                {
                    cfg.Add("View", async() =>
                    {
                        var text = File.ReadAllText(entry.Entry.FullName);
                        await this.dialogs.Alert(text, entry.Entry.Name);
                    });
                    //cfg.Add("Copy", () =>
                    //{
                    //    //var progress = dialogs.Progress(new ProgressDialogConfig
                    //    //{
                    //    //    Title = "Copying File"
                    //    //});

                    //    var fn = Path.GetFileNameWithoutExtension(entry.Entry.Name);
                    //    var ext = Path.GetExtension(entry.Entry.Name);
                    //    var newFn = ext.IsEmpty() ? $"fn_1" : $"{fn}_1.{ext}";
                    //    var target = new FileInfo(newFn);
                    //    var file = new FileInfo(entry.Entry.FullName);
                    //    file
                    //        .CopyProgress(target, true)
                    //        .Subscribe(p =>
                    //        {
                    //            //progress.Title = "Copying File - Seconds Left: " + p.TimeRemaining.TotalSeconds;
                    //            //progress.PercentComplete = p.PercentComplete;
                    //        });
                    //});
                }
                //cfg.Add("Delete", () => Confirm("Delete " + entry.Name, entry.Entry.Delete));
                dialogs.ActionSheet(cfg);
            });

            this.showBack = this.WhenAnyValue(x => x.CurrentPath)
                            .Select(x => x == this.CurrentPath)
                            .ToProperty(this, x => x.ShowBack);

            this.WhenAnyValue(x => x.CurrentPath)
            .Skip(1)
            .Subscribe(_ => this.LoadEntries())
            .DisposeWith(this.DestroyWith);
        }
        private void DisplayEmployeeActionSheet(Employee employee)
        {
            var cfg = new ActionSheetConfig()
                      .SetTitle("Select Action");

            cfg.Add("Edit", async() => await NavigateToEditEmployeePage(employee));
            cfg.Add("Delete", async() => await DeleteEmployee(employee));
            cfg.Add("Manage Skills", async() => await NavigateToEmployeeSkillsPage(employee.ID));

            cfg.SetCancel("Cancel");

            _userDialogs.ActionSheet(cfg);
        }
Exemple #7
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        private void TouchedPicture()
        {
            IUserDialogs             userDialogs = UserDialogs.Instance;
            ActionSheetConfig        config      = new ActionSheetConfig();
            List <ActionSheetOption> Options     = new List <ActionSheetOption>();

            Options.Add(new ActionSheetOption(AppResource.pick_at_gallery, OpenGallery, ListOfNames.pictureForFolder));
            Options.Add(new ActionSheetOption(AppResource.take_photo_with_camera, TakePhoto, ListOfNames.pictureForCamera));
            ActionSheetOption cancel = new ActionSheetOption(AppResource.cancel.ToUpper(), null, null);

            config.Options = Options;
            config.Cancel  = cancel;
            userDialogs.ActionSheet(config);
        }
        private async void  ImageTap(object obj)
        {
            ActionSheetConfig config = new ActionSheetConfig();

            config.SetUseBottomSheet(true);
            var galeryIcon = await BitmapLoader.Current.LoadFromResource("ic_collections.png", 500f, 500f);

            var photoIcon = await BitmapLoader.Current.LoadFromResource("ic_camera_alt.png", 500f, 500f);

            config.Add("Take Picture From Galery", SetPictureFromGalery, galeryIcon);
            config.Add("Take Picture From Camera", SetFromCamera, photoIcon);
            config.SetCancel(null, null, null);
            _userDialogs.ActionSheet(config);
        }
        private async void OpenAddSkillActionSheet()
        {
            var cfg = new ActionSheetConfig()
                      .SetTitle("Select Action");

            try
            {
                _skillCache = await _skillsService.GetAllSkillsAsync();
            }
            catch (Exception ex)
            {
                Debug.WriteLine(ex.Message);
                await _userDialogs.AlertAsync(ex.Message, "Error");
            }

            foreach (var skill in _skillCache)
            {
                cfg.Add(skill.Name, async() => await AddSkillToEmployee(skill.ID));
            }

            cfg.SetCancel("Cancel");

            _userDialogs.ActionSheet(cfg);
        }
        public IDisposable ShowActionSheet(
            string title,
            string cancel,
            string destructive,
            List <ActionSheetButtonModel> actionSheetButtons)
        {
            var config = new ActionSheetConfig();

            config.SetTitle(title);
            config.SetCancel(cancel);
            config.Destructive = string.IsNullOrEmpty(destructive) ? null : new ActionSheetOption(destructive);

            foreach (var button in actionSheetButtons)
            {
                config.Add(button.Text, button.Action, button.IconName);
            }

            return(_dialogs.ActionSheet(config));
        }
Exemple #11
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        private void HandleSelectedDevice(DeviceListItemViewModel device, int type)
        {
            //type = 1 if slave, type = 2 if master.
            var config = new ActionSheetConfig();

            if (device.IsConnected)
            {
                config.Destructive = new ActionSheetOption("Disconnect", () => DisconnectCommand.Execute(device));
            }
            else
            {
                config.Add("Connect", async() => {
                    if (await ConnectDeviceAsync(device))
                    {
                        switch (type)
                        {
                        case 1:
                            device.IsSlave = true;
                            GraphViewModel.SlaveDeviceId = device.Device.Id;
                            var ServiceSlave             = await device.Device.GetServiceAsync(Guid.Parse("0000180d-0000-1000-8000-00805f9b34fb"));
                            var CharacteristicSlave      = await ServiceSlave.GetCharacteristicAsync(Guid.Parse("00002a37-0000-1000-8000-00805f9b34fb"));

                            await CharacteristicSlave.StartUpdatesAsync();
                            break;

                        case 2:
                            device.IsMaster = true;
                            GraphViewModel.MasterDeviceId = device.Device.Id;
                            var ServiceMaster             = await device.Device.GetServiceAsync(Guid.Parse("0000180d-0000-1000-8000-00805f9b34fb"));
                            var CharacteristicMaster      = await ServiceMaster.GetCharacteristicAsync(Guid.Parse("00002a37-0000-1000-8000-00805f9b34fb"));
                            await CharacteristicMaster.StartUpdatesAsync();
                            break;
                        }
                    }
                });
            }
            config.Cancel = new ActionSheetOption("Cancel");
            config.SetTitle("Device Options");
            _userDialogs.ActionSheet(config);
        }
Exemple #12
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        public GpsViewModel(IGpsManager manager, IUserDialogs dialogs)
        {
            this.manager    = manager;
            this.IsUpdating = this.manager.IsListening;

            this.WhenAnyValue(x => x.UseBackground)
            .Subscribe(x => this.Access = this.manager.GetCurrentStatus(this.UseBackground).ToString());

            this.WhenAnyValue(x => x.IsUpdating)
            .Select(x => x ? "Stop Listening" : "Start Updating")
            .ToPropertyEx(this, x => x.ListenerText);

            this.GetCurrentPosition = ReactiveCommand.CreateFromTask(async _ =>
            {
                var result = await dialogs.RequestAccess(() => this.manager.RequestAccess(true));
                if (!result)
                {
                    return;
                }

                var reading = await this.manager.GetLastReading();
                if (reading == null)
                {
                    await dialogs.Alert("Could not getting GPS coordinates");
                }
                else
                {
                    this.SetValues(reading);
                }
            });
            this.BindBusyCommand(this.GetCurrentPosition);

            this.SelectPriority = ReactiveCommand.Create(() => dialogs.ActionSheet(
                                                             new ActionSheetConfig()
                                                             .SetTitle("Select Priority/Desired Accuracy")
                                                             .Add("Highest", () => this.Priority = GpsPriority.Highest)
                                                             .Add("Normal", () => this.Priority  = GpsPriority.Normal)
                                                             .Add("Low", () => this.Priority     = GpsPriority.Low)
                                                             .AddCancel()
                                                             ));

            this.ToggleUpdates = ReactiveCommand.CreateFromTask(
                async() =>
            {
                if (this.manager.IsListening)
                {
                    await this.manager.StopListener();
                    this.gpsListener?.Dispose();
                }
                else
                {
                    var result = await dialogs.RequestAccess(() => this.manager.RequestAccess(this.UseBackground));
                    if (!result)
                    {
                        await dialogs.Alert("Insufficient permissions");
                        return;
                    }

                    var request = new GpsRequest
                    {
                        UseBackground = this.UseBackground,
                        Priority      = this.Priority,
                    };
                    if (IsInterval(this.DesiredInterval))
                    {
                        request.Interval = ToInterval(this.DesiredInterval);
                    }

                    if (IsInterval(this.ThrottledInterval))
                    {
                        request.ThrottledInterval = ToInterval(this.ThrottledInterval);
                    }

                    await this.manager.StartListener(request);
                }
                this.IsUpdating = this.manager.IsListening;
            },
                this.WhenAny(
                    x => x.IsUpdating,
                    x => x.DesiredInterval,
                    x => x.ThrottledInterval,
                    (u, i, t) =>
            {
                if (u.GetValue())
                {
                    return(true);
                }

                var isdesired   = IsInterval(i.GetValue());
                var isthrottled = IsInterval(t.GetValue());

                if (isdesired && isthrottled)
                {
                    var desired  = ToInterval(i.GetValue());
                    var throttle = ToInterval(t.GetValue());
                    if (throttle.TotalSeconds >= desired.TotalSeconds)
                    {
                        return(false);
                    }
                }
                return(true);
            }
                    )
                );

            this.UseRealtime = ReactiveCommand.Create(() =>
            {
                var rt = GpsRequest.Realtime(false);
                this.ThrottledInterval = String.Empty;
                this.DesiredInterval   = rt.Interval.TotalSeconds.ToString();
                this.Priority          = rt.Priority;
            });

            this.RequestAccess = ReactiveCommand.CreateFromTask(async() =>
            {
                var access  = await this.manager.RequestAccess(this.UseBackground);
                this.Access = access.ToString();
            });
            this.BindBusyCommand(this.RequestAccess);
        }
Exemple #13
0
        private void HandleSelectedDevice(IDevice device)
        {
            var config = new ActionSheetConfig();

            if (device.State == DeviceState.Connected)
            {
                config.Add("Update RSSI", async() =>
                {
                    try
                    {
                        _userDialogs.ShowLoading();

                        await device.UpdateRssiAsync();

                        _userDialogs.HideLoading();

                        _userDialogs.Toast($"RSSI updated {device.Rssi}", TimeSpan.FromSeconds(1));
                    }
                    catch (Exception ex)
                    {
                        _userDialogs.HideLoading();
                        await _userDialogs.AlertAsync($"Failed to update rssi. Exception: {ex.Message}");
                    }
                });

                config.Destructive = new ActionSheetOption("Disconnect", () => DisconnectDevice(device));
            }
            else
            {
                config.Add("Connect", async() =>
                {
                    if (await ConnectDeviceAsync(device))
                    {
                        // Connected

                        //var services = await device.GetServicesAsync();
                        //var service = await device.GetServiceAsync(Guid.Parse("ffe0ecd2-3d16-4f8d-90de-e89e7fc396a5"));

                        //// Get characteristics
                        //var characteristics = await service.GetCharacteristicsAsync();
                        //var characteristic = await service.GetCharacteristicAsync(Guid.Parse("d8de624e-140f-4a22-8594-e2216b84a5f2"));
                        //// Read characteristic
                        //var bytes = await characteristic.ReadAsync();

                        //// Write characteristic
                        //await characteristic.WriteAsync(bytes);

                        //// Characteristic notifications
                        //characteristic.ValueUpdated += (o, args) =>
                        //{
                        //    var bytes = args.Characteristic.Value;
                        //};

                        //await characteristic.StartUpdatesAsync();
                    }
                });
            }
            config.Cancel = new ActionSheetOption("Cancel");
            config.SetTitle("Device Options");
            _userDialogs.ActionSheet(config);
        }
        public GpsViewModel(IGpsManager manager, IUserDialogs dialogs)
        {
            this.manager    = manager;
            this.IsUpdating = this.manager.IsListening;

            this.WhenAnyValue(x => x.UseBackground)
            .Subscribe(x => this.Access = this.manager.GetCurrentStatus(this.UseBackground).ToString());

            this.WhenAnyValue(x => x.IsUpdating)
            .Select(x => x ? "Stop Listening" : "Start Updating")
            .ToPropertyEx(this, x => x.ListenerText);

            this.GetCurrentPosition = ReactiveCommand.CreateFromTask(async _ =>
            {
                var result = await dialogs.RequestAccess(() => this.manager.RequestAccess(true));
                if (!result)
                {
                    return;
                }

                var reading = await this.manager.GetLastReading();
                if (reading == null)
                {
                    dialogs.Alert("Could not getting GPS coordinates");
                }
                else
                {
                    this.SetValues(reading);
                }
            });
            this.BindBusyCommand(this.GetCurrentPosition);

            this.SelectPriority = ReactiveCommand.Create(() => dialogs.ActionSheet(
                                                             new ActionSheetConfig()
                                                             .SetTitle("Select Priority/Desired Accuracy")
                                                             .Add("Highest", () => this.Priority = GpsPriority.Highest)
                                                             .Add("Normal", () => this.Priority  = GpsPriority.Normal)
                                                             .Add("Low", () => this.Priority     = GpsPriority.Low)
                                                             .SetCancel()
                                                             ));

            this.ToggleUpdates = ReactiveCommand.CreateFromTask(
                async() =>
            {
                if (this.manager.IsListening)
                {
                    await this.manager.StopListener();
                    this.gpsListener?.Dispose();
                }
                else
                {
                    var result = await dialogs.RequestAccess(() => this.manager.RequestAccess(this.UseBackground));
                    if (!result)
                    {
                        dialogs.Alert("Insufficient permissions");
                        return;
                    }

                    var request = new GpsRequest
                    {
                        UseBackground = this.UseBackground,
                        Priority      = this.Priority
                    };
                    var meters = ToDeferred(this.DeferredMeters);
                    if (meters > 0)
                    {
                        request.DeferredDistance = Distance.FromMeters(meters);
                    }

                    var secs = ToDeferred(this.DeferredSeconds);
                    if (secs > 0)
                    {
                        request.DeferredTime = TimeSpan.FromSeconds(secs);
                    }

                    await this.manager.StartListener(request);
                }
                this.IsUpdating = this.manager.IsListening;
            },
                this.WhenAny(
                    x => x.IsUpdating,
                    x => x.DeferredMeters,
                    x => x.DeferredSeconds,
                    (u, m, s) =>
                    u.GetValue() ||
                    (
                        ToDeferred(m.GetValue()) >= 0 &&
                        ToDeferred(s.GetValue()) >= 0
                    )
                    )
                );

            this.RequestAccess = ReactiveCommand.CreateFromTask(async() =>
            {
                var access  = await this.manager.RequestAccess(this.UseBackground);
                this.Access = access.ToString();
            });
            this.BindBusyCommand(this.RequestAccess);
        }
        public SettingsViewModel(IPermissions permissions,
                                 IGeofenceManager geofences,
                                 IUserDialogs dialogs,
                                 IViewModelManager viewModelMgr)
        {
            this.permissions = permissions;
            this.geofences = geofences;
            this.dialogs = dialogs;

            this.Menu = new Command(() => dialogs.ActionSheet(new ActionSheetConfig()
                .SetCancel()
                .Add("Add Geofence", async () => 
                    await viewModelMgr.PushNav<AddGeofenceViewModel>()
                )
                .Add("Use Default Geofences", async () => 
                {
                    var result = await dialogs.ConfirmAsync(new ConfirmConfig()
                        .UseYesNo()
                        .SetMessage("This will stop monitoring all existing geofences and set the defaults.  Are you sure you want to do this?"));

                    if (result)
                    {
                        geofences.StopAllMonitoring();
                        await Task.Delay(500);
                        geofences.StartMonitoring(new GeofenceRegion
                        {
                            Identifier = "FC HQ",
                            Center = new Position(43.6411314, -79.3808415),   // 88 Queen's Quay - Home
                            Radius = Distance.FromKilometers(1)
                        });
                        geofences.StartMonitoring(new GeofenceRegion
                        {
                            Identifier = "Close to HQ",
                            Center = new Position(43.6411314, -79.3808415),   // 88 Queen's Quay
                            Radius = Distance.FromKilometers(3)
                        });
                        geofences.StartMonitoring(new GeofenceRegion 
                        {
                            Identifier = "Ajax GO Station",
                            Center = new Position(43.8477697, -79.0435461),
                            Radius = Distance.FromMeters(500)
                        });
                        await Task.Delay(500); // ios needs a second to breathe when registering like this
                        this.RaisePropertyChanged("CurrentRegions");
                    }                
                })
                .Add("Stop All Geofences", async () => 
                {
                    var result = await dialogs.ConfirmAsync(new ConfirmConfig()
                        .UseYesNo()
                        .SetMessage("Are you sure wish to stop monitoring all geofences?"));

                    if (result)
                    {
                        this.geofences.StopAllMonitoring();
                        this.RaisePropertyChanged("CurrentRegions");
                    }
                })
            ));
            
            this.Remove = new Command<GeofenceRegion>(x =>
            {
                this.geofences.StopMonitoring(x);
                this.RaisePropertyChanged("CurrentRegions");
            });
        }
Exemple #16
0
        private void HandleSelectedDevice(DeviceListItemViewModel device)
        {
            var config = new ActionSheetConfig();

            if (device.IsConnected)
            {
                config.Add("Update RSSI", async() =>
                {
                    try
                    {
                        _userDialogs.ShowLoading();

                        await device.Device.UpdateRssiAsync();
                        device.RaisePropertyChanged(nameof(device.Rssi));

                        _userDialogs.HideLoading();

                        _userDialogs.ShowSuccess($"RSSI updated {device.Rssi}", 1000);
                    }
                    catch (Exception ex)
                    {
                        _userDialogs.HideLoading();
                        _userDialogs.ShowError($"Failed to update rssi. Exception: {ex.Message}");
                    }
                });

                config.Destructive = new ActionSheetOption("Disconnect", () => DisconnectCommand.Execute(device));
            }
            else
            {
                config.Add("Connect", async() =>
                {
                    if (await ConnectDeviceAsync(device))
                    {
                        ShowViewModel <ServiceListViewModel>(new MvxBundle(new Dictionary <string, string> {
                            { DeviceIdKey, device.Device.Id.ToString() }
                        }));
                    }
                });

                //config.Add("Connect & Dispose", () => ConnectDisposeCommand.Execute(device));
                config.Add("Save Advertised Data", () =>
                {
                    if (device.Device.AdvertisementRecords == null || device.Device.AdvertisementRecords.Count == 0)
                    {
                        _userDialogs.Alert("No Data Found");
                        return;
                    }

                    var advModel = new AdvertisementData()
                    {
                        Id       = Guid.NewGuid(),
                        DeviceId = device.Id.ToString(),
                        Name     = device.Name,
                        Data     = device.Device.AdvertisementRecords[0].Data
                    };
                    _advertisementDataRepository.InsertDevice(advModel);
                });
            }

            config.Add("Copy ID", () => CopyGuidCommand.Execute(device));
            config.Cancel = new ActionSheetOption("Cancel");
            config.SetTitle("Device Options");
            _userDialogs.ActionSheet(config);
        }
        public CreateViewModel(INavigationService navigationService,
                               IHttpTransferManager httpTransfers,
                               IUserDialogs dialogs,
                               IFileSystem fileSystem,
                               AppSettings appSettings)
        {
            this.fileSystem = fileSystem;
            this.Url        = appSettings.LastTransferUrl;

            this.WhenAnyValue(x => x.IsUpload)
            .Subscribe(upload =>
            {
                if (!upload && this.FileName.IsEmpty())
                {
                    this.FileName = Guid.NewGuid().ToString();
                }

                this.Title = upload ? "New Upload" : "New Download";
            });

            this.ManageUploads = navigationService.NavigateCommand("ManageUploads");

            this.ResetUrl = ReactiveCommand.Create(() =>
            {
                appSettings.LastTransferUrl = null;
                this.Url = appSettings.LastTransferUrl;
            });

            this.SelectUpload = ReactiveCommand.Create(() =>
            {
                var files = fileSystem.AppData.GetFiles("upload.*", SearchOption.TopDirectoryOnly);
                if (!files.Any())
                {
                    dialogs.Alert("There are not files to upload.  Use 'Manage Uploads' below to create them");
                }
                else
                {
                    var cfg = new ActionSheetConfig().SetCancel();
                    foreach (var file in files)
                    {
                        cfg.Add(file.Name, () => this.FileName = file.Name);
                    }

                    dialogs.ActionSheet(cfg);
                }
            });
            this.Save = ReactiveCommand.CreateFromTask(
                async() =>
            {
                var path    = Path.Combine(this.fileSystem.AppData.FullName, this.FileName);
                var request = new HttpTransferRequest(this.Url, path, this.IsUpload)
                {
                    UseMeteredConnection = this.UseMeteredConnection
                };
                await httpTransfers.Enqueue(request);
                appSettings.LastTransferUrl = this.Url;
                await navigationService.GoBackAsync();
            },
                this.WhenAny
                (
                    x => x.IsUpload,
                    x => x.Url,
                    x => x.FileName,
                    (up, url, fn) =>
            {
                this.ErrorMessage = String.Empty;
                if (!Uri.TryCreate(url.GetValue(), UriKind.Absolute, out _))
                {
                    this.ErrorMessage = "Invalid URL";
                }

                else if (up.GetValue() && fn.GetValue().IsEmpty())
                {
                    this.ErrorMessage = "You must select or enter a filename";
                }

                return(this.ErrorMessage.IsEmpty());
            }
                )
                );
        }