| // Copyright 2016 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| import 'dart:async'; |
| |
| import 'system_channels.dart'; |
| |
| /// Controls specific aspects of the system navigation stack. |
| class SystemNavigator { |
| SystemNavigator._(); |
| |
| /// Instructs the system navigator to remove this activity from the stack and |
| /// return to the previous activity. |
| /// |
| /// On iOS, calls to this method are ignored because Apple's human interface |
| /// guidelines state that applications should not exit themselves. |
| /// |
| /// This method should be preferred over calling `dart:io`'s [exit] method, as |
| /// the latter may cause the underlying platform to act as if the application |
| /// had crashed. |
| static Future<void> pop() async { |
| await SystemChannels.platform.invokeMethod<void>('SystemNavigator.pop'); |
| } |
| } |
