From f8e9ae20f43adb48623314232fa01b456196ce33 Mon Sep 17 00:00:00 2001
From: Collin Jackson <jackson@google.com>
Date: Tue, 29 Sep 2015 12:28:28 -0700
Subject: [PATCH] pressing back button should close app if there is no previous
 route

---
 sky/packages/sky/lib/src/fn3/app.dart | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/sky/packages/sky/lib/src/fn3/app.dart b/sky/packages/sky/lib/src/fn3/app.dart
index 201af6e88b4..52e0d58c27c 100644
--- a/sky/packages/sky/lib/src/fn3/app.dart
+++ b/sky/packages/sky/lib/src/fn3/app.dart
@@ -6,6 +6,7 @@ import 'dart:sky' as sky;
 
 import 'package:sky/material.dart';
 import 'package:sky/painting.dart';
+import 'package:sky/services.dart';
 import 'package:sky/src/fn3/basic.dart';
 import 'package:sky/src/fn3/binding.dart';
 import 'package:sky/src/fn3/framework.dart';
@@ -61,6 +62,8 @@ class AppState extends State<App> {
       assert(navigator != null);
       if (navigator.hasPreviousRoute)
         navigator.pop();
+      else
+        activity.finishCurrentActivity();
     }
   }