Can get the list of friends of a user

lib/utils/ui_utils.dart

@@ -14,8 +14,16 @@ Widget buildCenteredProgressBar() {
 }
 
 /// Build and return a full loading page
-Widget buildLoadingPage() {
+Widget buildLoadingPage({
+  bool showAppBar = false,
+  String routeTitle,
+}) {
   return Scaffold(
+    appBar: showAppBar
+        ? AppBar(
+            title: Text(routeTitle),
+          )
+        : null,
     body: buildCenteredProgressBar(),
   );
 }