This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
// Copyright 2017, the Flutter project authors. Please see the AUTHORS file | |
// for details. 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 'package:meta/meta.dart'; | |
import 'package:flutter/material.dart'; | |
import 'package:flutter/rendering.dart'; | |
/// A widget that ensures it is always visible when focused. |