custom field name prompt

src/Android/Services/DeviceActionService.cs

@@ -6,7 +6,9 @@ using Android.Content;
 using Android.Content.PM;
 using Android.Support.V4.Content;
 using Android.Webkit;
+using Android.Widget;
 using Bit.App.Abstractions;
+using Bit.App.Resources;
 using Bit.Core;
 using Bit.Core.Abstractions;
 using Bit.Core.Enums;
@@ -147,6 +149,50 @@ namespace Bit.Droid.Services
             catch(Exception) { }
         }
 
+        public Task<string> DisplayPromptAync(string title = null, string description = null,
+            string text = null, string okButtonText = null, string cancelButtonText = null)
+        {
+            var activity = (MainActivity)CrossCurrentActivity.Current.Activity;
+            if(activity == null)
+            {
+                return Task.FromResult<string>(null);
+            }
+
+            var alertBuilder = new AlertDialog.Builder(activity);
+            alertBuilder.SetTitle(title);
+            alertBuilder.SetMessage(description);
+            var input = new EditText(activity)
+            {
+                InputType = Android.Text.InputTypes.ClassText
+            };
+            if(text == null)
+            {
+                text = string.Empty;
+            }
+
+            input.Text = text;
+            input.SetSelection(text.Length);
+            var container = new FrameLayout(activity);
+            var lp = new LinearLayout.LayoutParams(LinearLayout.LayoutParams.MatchParent,
+                LinearLayout.LayoutParams.MatchParent);
+            lp.SetMargins(25, 0, 25, 0);
+            input.LayoutParameters = lp;
+            container.AddView(input);
+            alertBuilder.SetView(container);
+
+            okButtonText = okButtonText ?? AppResources.Ok;
+            cancelButtonText = cancelButtonText ?? AppResources.Cancel;
+            var result = new TaskCompletionSource<string>();
+            alertBuilder.SetPositiveButton(okButtonText,
+                (sender, args) => result.TrySetResult(input.Text ?? string.Empty));
+            alertBuilder.SetNegativeButton(cancelButtonText, (sender, args) => result.TrySetResult(null));
+
+            var alert = alertBuilder.Create();
+            alert.Window.SetSoftInputMode(Android.Views.SoftInput.StateVisible);
+            alert.Show();
+            return result.Task;
+        }
+
         private bool DeleteDir(Java.IO.File dir)
         {
             if(dir != null && dir.IsDirectory)

src/App/Abstractions/IDeviceActionService.cs

@@ -13,5 +13,7 @@ namespace Bit.App.Abstractions
         bool OpenFile(byte[] fileData, string id, string fileName);
         bool CanOpenFile(string fileName);
         Task ClearCacheAsync();
+        Task<string> DisplayPromptAync(string title = null, string description = null, string text = null,
+            string okButtonText = null, string cancelButtonText = null);
     }
 }

src/App/Pages/Vault/AddEditPageViewModel.cs

@@ -394,9 +394,9 @@ namespace Bit.App.Pages
             }
             else if(selection == AppResources.Edit)
             {
-                var name = "new name";
+                var name = await _deviceActionService.DisplayPromptAync(AppResources.CustomFieldName,
-                // TODO: prompt for name
+                    null, field.Field.Name);
-                field.Field.Name = name;
+                field.Field.Name = name ?? field.Field.Name;
                 field.TriggerFieldChanged();
             }
             else if(selection == AppResources.MoveUp)
@@ -423,9 +423,7 @@ namespace Bit.App.Pages
                 _fieldTypeOptions.Select(f => f.Value).ToArray());
             if(typeSelection != null && typeSelection != AppResources.Cancel)
             {
-                var name = "new field name";
+                var name = await _deviceActionService.DisplayPromptAync(AppResources.CustomFieldName);
-                // TODO: prompt for name
-
                 if(Fields == null)
                 {
                     Fields = new ExtendedObservableCollection<AddEditPageFieldViewModel>();

src/iOS/Services/DeviceActionService.cs

@@ -5,6 +5,7 @@ using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
 using Bit.App.Abstractions;
+using Bit.App.Resources;
 using Bit.Core;
 using Bit.Core.Abstractions;
 using Bit.Core.Enums;
@@ -125,6 +126,32 @@ namespace Bit.iOS.Services
             await _storageService.SaveAsync(Constants.LastFileCacheClearKey, DateTime.UtcNow);
         }
 
+        public Task<string> DisplayPromptAync(string title = null, string description = null,
+            string text = null, string okButtonText = null, string cancelButtonText = null)
+        {
+            var result = new TaskCompletionSource<string>();
+            var alert = UIAlertController.Create(title ?? string.Empty, description, UIAlertControllerStyle.Alert);
+            UITextField input = null;
+            okButtonText = okButtonText ?? AppResources.Ok;
+            cancelButtonText = cancelButtonText ?? AppResources.Cancel;
+            alert.AddAction(UIAlertAction.Create(cancelButtonText, UIAlertActionStyle.Cancel, x =>
+            {
+                result.TrySetResult(null);
+            }));
+            alert.AddAction(UIAlertAction.Create(okButtonText, UIAlertActionStyle.Default, x =>
+            {
+                result.TrySetResult(input.Text ?? string.Empty);
+            }));
+            alert.AddTextField(x =>
+            {
+                input = x;
+                input.Text = text ?? string.Empty;
+            });
+            var vc = GetPresentedViewController();
+            vc?.PresentViewController(alert, true, null);
+            return result.Task;
+        }
+
         private UIViewController GetVisibleViewController(UIViewController controller = null)
         {
             controller = controller ?? UIApplication.SharedApplication.KeyWindow.RootViewController;
@@ -160,7 +187,7 @@ namespace Bit.iOS.Services
             return vc != null && (vc is UITabBarController ||
                 (vc.ChildViewControllers?.Any(c => c is UITabBarController) ?? false));
         }
-        
+
         // ref:  //https://developer.xamarin.com/guides/ios/application_fundamentals/working_with_the_file_system/
         public string GetTempPath()
         {