do not export bitwarden activities

src/Android/Controls/CustomButtonRenderer.cs

@@ -16,6 +16,8 @@ namespace Bit.Android.Controls
             {
                 Control.TextSize = (float)Device.GetNamedSize(NamedSize.Medium, typeof(Button));
             }
+
+            Control.FilterTouchesWhenObscured = true;
         }
 
         protected override void OnElementPropertyChanged(object sender, PropertyChangedEventArgs e)

src/Android/MainActivity.cs

@@ -24,7 +24,8 @@ namespace Bit.Android
 {
     [Activity(Label = "bitwarden",
         Icon = "@drawable/icon",
-        ConfigurationChanges = ConfigChanges.ScreenSize | ConfigChanges.Orientation)]
+        ConfigurationChanges = ConfigChanges.ScreenSize | ConfigChanges.Orientation,
+        Exported = false)]
     public class MainActivity : FormsAppCompatActivity
     {
         private const string HockeyAppId = "d3834185b4a643479047b86c65293d42";

src/Android/SplashActivity.cs

@@ -10,7 +10,8 @@ namespace Bit.Android
     [Activity(Theme = "@style/BitwardenTheme.Splash",
         MainLauncher = true,
         NoHistory = true,
-        WindowSoftInputMode = global::Android.Views.SoftInput.StateHidden)]
+        WindowSoftInputMode = global::Android.Views.SoftInput.StateHidden,
+        Exported = false)]
     public class SplashActivity : AppCompatActivity
     {
         public override void OnCreate(Bundle savedInstanceState, PersistableBundle persistentState)