init login page

src/App/Pages/Accounts/LoginPage.xaml

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8" ?>
-<ContentPage 
+<pages:BaseContentPage 
     xmlns="http://xamarin.com/schemas/2014/forms"
     xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
     x:Class="Bit.App.Pages.LoginPage"
@@ -31,6 +31,7 @@
                         Text="{u:I18n EmailAddress}"
                         StyleClass="box-label" />
                     <Entry
+                        x:Name="_email"
                         Text="{Binding Email}"
                         StyleClass="box-value" />
                 </StackLayout>
@@ -49,6 +50,7 @@
                         Grid.Row="0"
                         Grid.Column="0" />
                     <controls:MonoEntry
+                        x:Name="_masterPassword"
                         Text="{Binding MasterPassword}"
                         StyleClass="box-value"
                         IsPassword="{Binding ShowPassword, Converter={StaticResource inverseBool}}"
@@ -69,4 +71,4 @@
         </StackLayout>
     </ScrollView>
 
-</ContentPage>
+</pages:BaseContentPage>

src/App/Pages/Accounts/LoginPage.xaml.cs

@@ -1,14 +1,9 @@
 using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
 using Xamarin.Forms;
-using Xamarin.Forms.Xaml;
 
 namespace Bit.App.Pages
 {
-    public partial class LoginPage : ContentPage
+    public partial class LoginPage : BaseContentPage
     {
         private LoginPageViewModel _vm;
 
@@ -17,6 +12,23 @@ namespace Bit.App.Pages
             InitializeComponent();
             _vm = BindingContext as LoginPageViewModel;
             _vm.Page = this;
+            MasterPasswordEntry = _masterPassword;
+        }
+
+        public Entry MasterPasswordEntry { get; set; }
+
+        protected override async void OnAppearing()
+        {
+            base.OnAppearing();
+            await _vm.InitAsync();
+            if(string.IsNullOrWhiteSpace(_vm.Email))
+            {
+                RequestFocus(_email);
+            }
+            else
+            {
+                RequestFocus(_masterPassword);
+            }
         }
 
         private async void LogIn_Clicked(object sender, EventArgs e)

src/App/Pages/Accounts/LoginPageViewModel.cs

@@ -10,9 +10,13 @@ namespace Bit.App.Pages
 {
     public class LoginPageViewModel : BaseViewModel
     {
+        private const string Keys_RememberedEmail = "rememberedEmail";
+        private const string Keys_RememberEmail = "rememberEmail";
+
         private readonly IDeviceActionService _deviceActionService;
         private readonly IAuthService _authService;
         private readonly ISyncService _syncService;
+        private readonly IStorageService _storageService;
 
         private bool _showPassword;
 
@@ -21,6 +25,7 @@ namespace Bit.App.Pages
             _deviceActionService = ServiceContainer.Resolve<IDeviceActionService>("deviceActionService");
             _authService = ServiceContainer.Resolve<IAuthService>("authService");
             _syncService = ServiceContainer.Resolve<ISyncService>("syncService");
+            _storageService = ServiceContainer.Resolve<IStorageService>("storageService");
 
             PageTitle = AppResources.Bitwarden;
             TogglePasswordCommand = new Command(TogglePassword);
@@ -40,6 +45,17 @@ namespace Bit.App.Pages
         public string ShowPasswordIcon => ShowPassword ? "" : "";
         public string Email { get; set; }
         public string MasterPassword { get; set; }
+        public bool RememberEmail { get; set; }
+
+        public async Task InitAsync()
+        {
+            if(string.IsNullOrWhiteSpace(Email))
+            {
+                Email = await _storageService.GetAsync<string>(Keys_RememberedEmail);
+            }
+            var rememberEmail = await _storageService.GetAsync<bool?>(Keys_RememberEmail);
+            RememberEmail = rememberEmail.GetValueOrDefault(true);
+        }
 
         public async Task LogInAsync()
         {
@@ -68,7 +84,14 @@ namespace Bit.App.Pages
                 await _deviceActionService.ShowLoadingAsync(AppResources.LoggingIn);
                 var response = await _authService.LogInAsync(Email, MasterPassword);
                 await _deviceActionService.HideLoadingAsync();
-                // TODO: remember email?
+                if(RememberEmail)
+                {
+                    await _storageService.SaveAsync(Keys_RememberedEmail, Email);
+                }
+                else
+                {
+                    await _storageService.RemoveAsync(Keys_RememberedEmail);
+                }
                 if(response.TwoFactor)
                 {
                     // TODO: 2fa page
@@ -89,6 +112,7 @@ namespace Bit.App.Pages
         public void TogglePassword()
         {
             ShowPassword = !ShowPassword;
+            (Page as LoginPage).MasterPasswordEntry.Focus();
         }
     }
 }

src/App/Pages/BaseContentPage.cs

@@ -6,6 +6,8 @@ namespace Bit.App.Pages
 {
     public class BaseContentPage : ContentPage
     {
+        protected int AndroidShowModalAnimationDelay = 400;
+
         protected void SetActivityIndicator()
         {
             Content = new ActivityIndicator
@@ -33,9 +35,23 @@ namespace Bit.App.Pages
             }
             await Task.Run(async () =>
             {
-                await Task.Delay(400);
+                await Task.Delay(AndroidShowModalAnimationDelay);
                 Device.BeginInvokeOnMainThread(async () => await DoWorkAsync());
             });
         }
+
+        protected void RequestFocus(Entry entry)
+        {
+            if(Device.RuntimePlatform == Device.iOS)
+            {
+                entry.Focus();
+                return;
+            }
+            Task.Run(async () =>
+            {
+                await Task.Delay(AndroidShowModalAnimationDelay);
+                Device.BeginInvokeOnMainThread(() => entry.Focus());
+            });
+        }
     }
 }