Adding prototype for a sync error menu.

Opus/Code/UI/Fragments/PlaylistTracks.cs

@@ -69,6 +69,8 @@ namespace Opus.Fragments
 #pragma warning restore CS4014 // Because this call is not awaited, execution of the current method continues before the call is completed
             if(useHeader)
                 CreateHeader();
+            if (item.SyncState == SyncState.Error)
+                CreateSyncBanner();
             return view;
         }
 
@@ -108,6 +110,11 @@ namespace Opus.Fragments
             Activity.FindViewById(Resource.Id.collapsingToolbar).RequestLayout();
         }
 
+        //void CreateSyncBanner()
+        //{
+        //    MainActivity.instance.FindViewById(Resource.Id.banner).Visibility = ViewStates.Visible;
+        //}
+
         void HeaderPlay(object sender, System.EventArgs e)
         {
             PlaylistManager.PlayInOrder(item);

Opus/Resources/layout/Main.xml

@@ -65,6 +65,39 @@
         android:visibility="gone" />
     </android.support.design.widget.AppBarLayout>
 
+    <!--Banner for the sync error in the playlist track menu-->
+    <!--<LinearLayout
+      android:layout_width="match_parent"
+      android:layout_height="wrap_content"
+      android:visibility="gone"
+      android:id="@+id/banner"
+      android:orientation="vertical" >
+      <TextView 
+        android:layout_width="fill_parent"
+        android:layout_height="wrap_content"
+        android:id="@+id/bannerText"
+        android:paddingHorizontal="10dp" />
+      <LinearLayout
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:orientation="horizontal" >
+        <TextView 
+          android:layout_width="wrap_content"
+          android:layout_height="wrap_content"
+          android:clickable="true"
+          android:id="@+id/bannerBtn1" />
+        <TextView
+          android:layout_width="wrap_content"
+          android:layout_height="wrap_content"
+          android:clickable="true"
+          android:id="@+id/bannerBtn2" />
+      </LinearLayout>
+      <View
+        android:layout_width="match_parent"
+        android:layout_height="1dp"
+        android:background="#000" />
+    </LinearLayout>-->
+
     <android.support.v4.widget.SwipeRefreshLayout
       android:id="@+id/contentRefresh"
       app:layout_behavior="@string/appbar_scrolling_view_behavior"