stub new add/edit page

src/App/Pages/Vault/AddEditPage.xaml.cs

@@ -0,0 +1,59 @@
+using Bit.Core.Abstractions;
+using Bit.Core.Utilities;
+using System.Collections.Generic;
+using Xamarin.Forms;
+
+namespace Bit.App.Pages
+{
+    public partial class AddEditPage : BaseContentPage
+    {
+        private readonly IBroadcasterService _broadcasterService;
+        private AddEditPageViewModel _vm;
+
+        public AddEditPage(string cipherId)
+        {
+            InitializeComponent();
+            _broadcasterService = ServiceContainer.Resolve<IBroadcasterService>("broadcasterService");
+            _vm = BindingContext as AddEditPageViewModel;
+            _vm.Page = this;
+            _vm.CipherId = cipherId;
+            SetActivityIndicator();
+        }
+
+        protected override async void OnAppearing()
+        {
+            base.OnAppearing();
+            _broadcasterService.Subscribe(nameof(ViewPage), async (message) =>
+            {
+                if(message.Command == "syncCompleted")
+                {
+                    var data = message.Data as Dictionary<string, object>;
+                    if(data.ContainsKey("successfully"))
+                    {
+                        var success = data["successfully"] as bool?;
+                        if(success.HasValue && success.Value)
+                        {
+                            await _vm.LoadAsync();
+                        }
+                    }
+                }
+            });
+            await LoadOnAppearedAsync(_scrollView, true, () => _vm.LoadAsync());
+        }
+
+        protected override void OnDisappearing()
+        {
+            base.OnDisappearing();
+            _broadcasterService.Unsubscribe(nameof(ViewPage));
+            _vm.CleanUp();
+        }
+
+        private async void PasswordHistory_Tapped(object sender, System.EventArgs e)
+        {
+            if(DoOnce())
+            {
+                await Navigation.PushModalAsync(new NavigationPage(new PasswordHistoryPage(_vm.CipherId)));
+            }
+        }
+    }
+}