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| // Copyright 2014 The Flutter 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 'package:flutter/cupertino.dart'; | |
| import 'package:flutter/services.dart'; | |
| // Offset from offscreen below to stopping below the top of the screen. | |
| final Animatable<Offset> _kBottomUpTween = Tween<Offset>( | |
| begin: const Offset(0.0, 1.0), |