Fixes pre release.

lib/utils/show_pop_up.dart

@@ -0,0 +1,22 @@
+import 'package:flutter/material.dart';
+
+Future<T> showPopUp<T>({
+  @required BuildContext context,
+  WidgetBuilder builder,
+  bool barrierDismissible = true,
+  Color barrierColor,
+  bool useSafeArea = false,
+  bool useRootNavigator = true,
+  RouteSettings routeSettings,
+  Widget child,
+}) {
+  return showDialog<T>(
+      context: context,
+      builder: builder,
+      barrierDismissible: barrierDismissible,
+      barrierColor: barrierColor,
+      useSafeArea: useSafeArea,
+      useRootNavigator: useRootNavigator,
+      routeSettings: routeSettings,
+      child: child);
+}