Remove android icon from nav bar. Persist selection for lock options.

src/Android/Android.csproj

@@ -205,6 +205,7 @@
   </ItemGroup>
   <ItemGroup>
     <Compile Include="Controls\ExtendedEditorRenderer.cs" />
+    <Compile Include="Controls\ExtendedNavigationPage.cs" />
     <Compile Include="Controls\ExtendedSwitchCellRenderer.cs" />
     <Compile Include="Controls\ExtendedViewCellRenderer.cs" />
     <Compile Include="Controls\ExtendedTextCellRenderer.cs" />

src/Android/Controls/ExtendedNavigationPage.cs

@@ -0,0 +1,27 @@
+using Android.App;
+using Android.Graphics.Drawables;
+using Bit.Android.Controls;
+using Bit.App.Controls;
+using Xamarin.Forms;
+using Xamarin.Forms.Platform.Android;
+
+[assembly: ExportRenderer(typeof(ExtendedNavigationPage), typeof(ExtendedNavigationRenderer))]
+namespace Bit.Android.Controls
+{
+    public class ExtendedNavigationRenderer : NavigationRenderer
+    {
+        protected override void OnElementChanged(ElementChangedEventArgs<NavigationPage> e)
+        {
+            base.OnElementChanged(e);
+
+            RemoveAppIconFromActionBar();
+        }
+
+        private void RemoveAppIconFromActionBar()
+        {
+            // ref: http://stackoverflow.com/questions/14606294/remove-icon-logo-from-action-bar-on-android
+            var actionBar = ((Activity)Context).ActionBar;
+            actionBar.SetIcon(new ColorDrawable(Color.Transparent.ToAndroid()));
+        }
+    }
+}

src/App/Pages/SettingsPage.cs

@@ -53,9 +53,9 @@ namespace Bit.App.Pages
             LockOptionsCell = new ExtendedTextCell
             {
                 Text = "Lock Options",
-                // TODO: Set detail based on setting
-                Detail = "Immediately",
-                ShowDisclousure = true
+                Detail = GetLockOptionsDetailsText(),
+                ShowDisclousure = true,
+                TextColor = Color.FromHex("333333")
             };
             LockOptionsCell.Tapped += LockOptionsCell_Tapped;
 
@@ -125,7 +125,12 @@ namespace Bit.App.Pages
         private async void LockOptionsCell_Tapped(object sender, EventArgs e)
         {
             var selection = await DisplayActionSheet("Lock Options", AppResources.Cancel, null,
-                "Immediately", "1 minute", "3 minutes", "15 minutes", "1 hour", "8 hours", "24 hours", "Never");
+                "Immediately", "1 minute", "15 minutes", "1 hour", "4 hours", "Never");
+
+            if(selection == AppResources.Cancel)
+            {
+                return;
+            }
 
             if(selection == "Immediately")
             {
@@ -135,10 +140,24 @@ namespace Bit.App.Pages
             {
                 _settings.AddOrUpdateValue(Constants.SettingLockSeconds, 60);
             }
-            // TODO: others
-            else
+            else if(selection == "5 minutes")
+            {
+                _settings.AddOrUpdateValue(Constants.SettingLockSeconds, 60 * 5);
+            }
+            else if(selection == "15 minutes")
+            {
+                _settings.AddOrUpdateValue(Constants.SettingLockSeconds, 60 * 15);
+            }
+            else if(selection == "1 hour")
+            {
+                _settings.AddOrUpdateValue(Constants.SettingLockSeconds, 60 * 60);
+            }
+            else if(selection == "4 hours")
+            {
+                _settings.AddOrUpdateValue(Constants.SettingLockSeconds, 60 * 60 * 4);
+            }
+            else if(selection == "Never")
             {
-                // Never lock
                 _settings.Remove(Constants.SettingLockSeconds);
             }
 
@@ -208,5 +227,39 @@ namespace Bit.App.Pages
         {
             Navigation.PushAsync(new SettingsListFoldersPage());
         }
+
+        private string GetLockOptionsDetailsText()
+        {
+            var lockSeconds = _settings.GetValueOrDefault<int?>(Constants.SettingLockSeconds);
+            if(!lockSeconds.HasValue)
+            {
+                return "Never";
+            }
+
+            if(lockSeconds.Value == 60)
+            {
+                return "1 minute";
+            }
+            else if(lockSeconds.Value == 60 * 5)
+            {
+                return "5 minutes";
+            }
+            else if(lockSeconds.Value == 60 * 15)
+            {
+                return "15 minutes";
+            }
+            else if(lockSeconds.Value == 60 * 60)
+            {
+                return "1 hour";
+            }
+            else if(lockSeconds.Value == 60 * 60 * 4)
+            {
+                return "4 hours";
+            }
+            else
+            {
+                return "Immediately";
+            }
+        }
     }
 }