back button to groupings page on android

src/App/Pages/Generator/GeneratorPage.xaml.cs

@@ -9,9 +9,11 @@ namespace Bit.App.Pages
         private GeneratorPageViewModel _vm;
         private readonly bool _fromTabPage;
         private readonly Action<string> _selectAction;
+        private readonly TabsPage _tabsPage;
 
-        public GeneratorPage(bool fromTabPage, Action<string> selectAction = null)
+        public GeneratorPage(bool fromTabPage, Action<string> selectAction = null, TabsPage tabsPage = null)
         {
+            _tabsPage = tabsPage;
             InitializeComponent();
             _vm = BindingContext as GeneratorPageViewModel;
             _vm.Page = this;
@@ -37,6 +39,16 @@ namespace Bit.App.Pages
             }
         }
 
+        protected override bool OnBackButtonPressed()
+        {
+            if(Device.RuntimePlatform == Device.Android && _tabsPage != null)
+            {
+                _tabsPage.ResetToVaultPage();
+                return true;
+            }
+            return base.OnBackButtonPressed();
+        }
+
         private async void Regenerate_Clicked(object sender, EventArgs e)
         {
             await _vm.RegenerateAsync();

src/App/Pages/Settings/SettingsPage/SettingsPage.xaml.cs

@@ -8,11 +8,12 @@ namespace Bit.App.Pages
     public partial class SettingsPage : BaseContentPage
     {
         private readonly IDeviceActionService _deviceActionService;
-
+        private readonly TabsPage _tabsPage;
         private SettingsPageViewModel _vm;
 
-        public SettingsPage()
+        public SettingsPage(TabsPage tabsPage)
         {
+            _tabsPage = tabsPage;
             InitializeComponent();
             _deviceActionService = ServiceContainer.Resolve<IDeviceActionService>("deviceActionService");
             _vm = BindingContext as SettingsPageViewModel;
@@ -25,6 +26,16 @@ namespace Bit.App.Pages
             await _vm.InitAsync();
         }
 
+        protected override bool OnBackButtonPressed()
+        {
+            if(Device.RuntimePlatform == Device.Android && _tabsPage != null)
+            {
+                _tabsPage.ResetToVaultPage();
+                return true;
+            }
+            return base.OnBackButtonPressed();
+        }
+
         private async void RowSelected(object sender, SelectedItemChangedEventArgs e)
         {
             ((ListView)sender).SelectedItem = null;

src/App/Pages/TabsPage.cs

@@ -6,23 +6,25 @@ namespace Bit.App.Pages
 {
     public class TabsPage : TabbedPage
     {
+        private NavigationPage _groupingsPage;
+
         public TabsPage()
         {
-            var groupingsPage = new NavigationPage(new GroupingsPage(true))
+            _groupingsPage = new NavigationPage(new GroupingsPage(true))
             {
                 Title = AppResources.MyVault,
                 Icon = "lock.png"
             };
-            Children.Add(groupingsPage);
+            Children.Add(_groupingsPage);
 
-            var generatorPage = new NavigationPage(new GeneratorPage(true, null))
+            var generatorPage = new NavigationPage(new GeneratorPage(true, null, this))
             {
                 Title = AppResources.Generator,
                 Icon = "refresh.png"
             };
             Children.Add(generatorPage);
 
-            var settingsPage = new NavigationPage(new SettingsPage())
+            var settingsPage = new NavigationPage(new SettingsPage(this))
             {
                 Title = AppResources.Settings,
                 Icon = "cog.png"
@@ -44,6 +46,11 @@ namespace Bit.App.Pages
             }
         }
 
+        public void ResetToVaultPage()
+        {
+            CurrentPage = _groupingsPage;
+        }
+
         protected async override void OnCurrentPageChanged()
         {
             if(CurrentPage is NavigationPage navPage)