Add new spinner activity into sample and fixed up the drop down to ta…

…ke in a context since it was removed.

LegacyBar.Library/Bar/LegacyBar.cs

@@ -329,7 +329,7 @@ public void SetHomeAction(LegacyBarAction legacyBarAction)
             ((LayoutParams)_titleLayout.LayoutParameters).AddRule(LayoutRules.RightOf, Resource.Id.actionbar_home_bg);
         }
 
-        public void SetDropDown(string[] items, EventHandler<AdapterView.ItemSelectedEventArgs> eventHandler)
+        public void SetDropDown(Context context, string[] items, EventHandler<AdapterView.ItemSelectedEventArgs> eventHandler)
         {
             if (items == null)
                 return;
@@ -343,7 +343,7 @@ public void SetDropDown(string[] items, EventHandler<AdapterView.ItemSelectedEve
             {
                 var previousSelected = _titleDropdown.SelectedItemPosition;
                 _titleView.Visibility = ViewStates.Gone;
-                var adapter = new ArrayAdapter(_context, Android.Resource.Layout.SimpleSpinnerItem, items);
+                var adapter = new ArrayAdapter(context, Android.Resource.Layout.SimpleSpinnerItem, items);
                 adapter.SetDropDownViewResource(Android.Resource.Layout.SimpleDropDownItem1Line);
 
                 _titleDropdown.Visibility = ViewStates.Visible;

LegacyBar.Sample/HomeActivity.cs

@@ -167,6 +167,13 @@ protected override void OnCreate(Bundle bundle)
                                               var intent = new Intent(this, typeof (FragmentTabActivity));
                                               StartActivity(intent);
                                           };
+
+            var spinnerActivity = FindViewById<Button>(Resource.Id.dropdown_activity);
+            spinnerActivity.Click += (s, e) =>
+            {
+                var intent = new Intent(this, typeof(SpinnerActivity));
+                StartActivity(intent);
+            };
         }
 
         public override bool OnOptionsItemSelected(IMenuItem item)

LegacyBar.Sample/LegacyBar.Sample.csproj

@@ -52,6 +52,7 @@
     <Reference Include="Mono.Android" />
   </ItemGroup>
   <ItemGroup>
+    <Compile Include="SpinnerActivity.cs" />
     <Compile Include="Resources\Resource.designer.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
     <Compile Include="FragmentTabActivity.cs" />

LegacyBar.Sample/Resources/layout/main.axml

@@ -81,6 +81,11 @@
           android:layout_width="match_parent"
           android:layout_height="wrap_content"
           android:text="Blue Theme" />
+      <Button
+         android:id="@+id/dropdown_activity"
+         android:layout_width="match_parent"
+         android:layout_height="wrap_content"
+         android:text="Dropdown spinner Demo" />
       <Button
           android:id="@+id/fragment_activity"
           android:layout_width="match_parent"