Not what I want, but at least it had compiled. Once.

QuickPlay/MainActivity.cs

@@ -39,9 +39,9 @@ namespace QuickPlay
             SetContentView(Resource.Layout.activity_main);
 
             // UI Toolbar initialization
-      //      var toolbar = FindViewById<Toolbar>(Resource.Id.toolbar);
+            var toolbar = FindViewById<Toolbar>(Resource.Id.toolbar);
-      //      SetSupportActionBar(toolbar);
+            SetSupportActionBar(toolbar);
-      //      ActionBar.Title = "My Toolbar";
+            toolbar.Title = "My Toolbar";
         }
 
         List<PlayerConfiguration> acquirePlayerConfigs()

QuickPlay/Resources/Resource.designer.cs

@@ -1911,17 +1911,17 @@ namespace QuickPlay
 			// aapt resource value: 0x7f0b0043
 			public const int action_bar_title = 2131427395;
 			
-			// aapt resource value: 0x7f0b0077
+			// aapt resource value: 0x7f0b0078
-			public const int action_container = 2131427447;
+			public const int action_container = 2131427448;
 			
 			// aapt resource value: 0x7f0b0068
 			public const int action_context_bar = 2131427432;
 			
-			// aapt resource value: 0x7f0b0082
+			// aapt resource value: 0x7f0b0083
-			public const int action_divider = 2131427458;
+			public const int action_divider = 2131427459;
 			
-			// aapt resource value: 0x7f0b0078
+			// aapt resource value: 0x7f0b0079
-			public const int action_image = 2131427448;
+			public const int action_image = 2131427449;
 			
 			// aapt resource value: 0x7f0b0002
 			public const int action_menu_divider = 2131427330;
@@ -1938,14 +1938,14 @@ namespace QuickPlay
 			// aapt resource value: 0x7f0b0045
 			public const int action_mode_close_button = 2131427397;
 			
-			// aapt resource value: 0x7f0b0085
+			// aapt resource value: 0x7f0b0086
-			public const int action_settings = 2131427461;
+			public const int action_settings = 2131427462;
 			
-			// aapt resource value: 0x7f0b0079
+			// aapt resource value: 0x7f0b007a
-			public const int action_text = 2131427449;
+			public const int action_text = 2131427450;
 			
-			// aapt resource value: 0x7f0b0083
+			// aapt resource value: 0x7f0b0084
-			public const int actions = 2131427459;
+			public const int actions = 2131427460;
 			
 			// aapt resource value: 0x7f0b0046
 			public const int activity_chooser_view_content = 2131427398;
@@ -1989,8 +1989,8 @@ namespace QuickPlay
 			// aapt resource value: 0x7f0b0060
 			public const int checkbox = 2131427424;
 			
-			// aapt resource value: 0x7f0b0081
+			// aapt resource value: 0x7f0b0082
-			public const int chronometer = 2131427457;
+			public const int chronometer = 2131427458;
 			
 			// aapt resource value: 0x7f0b0036
 			public const int clip_horizontal = 2131427382;
@@ -2058,8 +2058,8 @@ namespace QuickPlay
 			// aapt resource value: 0x7f0b004b
 			public const int icon = 2131427403;
 			
-			// aapt resource value: 0x7f0b0084
+			// aapt resource value: 0x7f0b0085
-			public const int icon_group = 2131427460;
+			public const int icon_group = 2131427461;
 			
 			// aapt resource value: 0x7f0b002e
 			public const int ifRoom = 2131427374;
@@ -2067,8 +2067,8 @@ namespace QuickPlay
 			// aapt resource value: 0x7f0b0048
 			public const int image = 2131427400;
 			
-			// aapt resource value: 0x7f0b007d
+			// aapt resource value: 0x7f0b007e
-			public const int info = 2131427453;
+			public const int info = 2131427454;
 			
 			// aapt resource value: 0x7f0b0042
 			public const int italic = 2131427394;
@@ -2106,14 +2106,14 @@ namespace QuickPlay
 			// aapt resource value: 0x7f0b0012
 			public const int normal = 2131427346;
 			
-			// aapt resource value: 0x7f0b007f
+			// aapt resource value: 0x7f0b0080
-			public const int notification_background = 2131427455;
+			public const int notification_background = 2131427456;
 			
-			// aapt resource value: 0x7f0b007b
+			// aapt resource value: 0x7f0b007c
-			public const int notification_main_column = 2131427451;
+			public const int notification_main_column = 2131427452;
 			
-			// aapt resource value: 0x7f0b007a
+			// aapt resource value: 0x7f0b007b
-			public const int notification_main_column_container = 2131427450;
+			public const int notification_main_column_container = 2131427451;
 			
 			// aapt resource value: 0x7f0b004e
 			public const int parentPanel = 2131427406;
@@ -2130,11 +2130,11 @@ namespace QuickPlay
 			// aapt resource value: 0x7f0b003c
 			public const int right = 2131427388;
 			
-			// aapt resource value: 0x7f0b007e
+			// aapt resource value: 0x7f0b007f
-			public const int right_icon = 2131427454;
+			public const int right_icon = 2131427455;
 			
-			// aapt resource value: 0x7f0b007c
+			// aapt resource value: 0x7f0b007d
-			public const int right_side = 2131427452;
+			public const int right_side = 2131427453;
 			
 			// aapt resource value: 0x7f0b001d
 			public const int screen = 2131427357;
@@ -2241,8 +2241,8 @@ namespace QuickPlay
 			// aapt resource value: 0x7f0b0052
 			public const int textSpacerNoTitle = 2131427410;
 			
-			// aapt resource value: 0x7f0b0080
+			// aapt resource value: 0x7f0b0081
-			public const int time = 2131427456;
+			public const int time = 2131427457;
 			
 			// aapt resource value: 0x7f0b0010
 			public const int title = 2131427344;
@@ -2253,6 +2253,9 @@ namespace QuickPlay
 			// aapt resource value: 0x7f0b0058
 			public const int title_template = 2131427416;
 			
+			// aapt resource value: 0x7f0b0077
+			public const int toolbar = 2131427447;
+			
 			// aapt resource value: 0x7f0b0032
 			public const int top = 2131427378;
 			

QuickPlay/Resources/layout/activity_main.xml

@@ -19,12 +19,12 @@
     android:layout_height="fill_parent"
     android:layout_width="fill_parent"
     >
-      <!--  <android.support.v7.widget.Toolbar
+        <android.support.v7.widget.Toolbar
             android:layout_width="match_parent"
             android:layout_height="match_parent"
             android:id="@+id/toolbar"
-            android:theme="@android:style/ThemeOverlay.Material.Dark.ActionBar">
+        >
-            <LinearLayout
+       <!--      <LinearLayout
                 android:orientation="vertical"
                 android:layout_width="match_parent"
                 android:layout_height="match_parent"
@@ -43,8 +43,8 @@
                     android:layout_height="wrap_content"
                     android:id="@+id/playerNameText" />
             </LinearLayout>
-        </android.support.v7.widget.Toolbar>
     -->
+        </android.support.v7.widget.Toolbar>
  <!--   </android.support.design.widget.AppBarLayout>
     -->
 

QuickPlay/Resources/values/styles.xml

@@ -6,6 +6,8 @@
         <item name="colorPrimary">@color/colorPrimary</item>
         <item name="colorPrimaryDark">@color/colorPrimaryDark</item>
         <item name="colorAccent">@color/colorAccent</item>
+        <item name="windowActionBar">false</item>
+        <item name="windowNoTitle">true</item>
     </style>
 
     <style name="AppTheme.NoActionBar">