mirror of
https://github.com/flutter/samples.git
synced 2025-11-10 23:08:59 +00:00
37 lines
1.2 KiB
Dart
37 lines
1.2 KiB
Dart
// Copyright 2019 The Flutter team. 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/material.dart';
|
|
|
|
enum DisplayType {
|
|
desktop,
|
|
mobile,
|
|
}
|
|
|
|
const _desktopBreakpoint = 700.0;
|
|
const _smallDesktopMaxWidth = 1000.0;
|
|
|
|
/// Returns the [DisplayType] for the current screen. This app only supports
|
|
/// mobile and desktop layouts, and as such we only have one breakpoint.
|
|
DisplayType displayTypeOf(BuildContext context) {
|
|
if (MediaQuery.of(context).size.shortestSide > _desktopBreakpoint) {
|
|
return DisplayType.desktop;
|
|
} else {
|
|
return DisplayType.mobile;
|
|
}
|
|
}
|
|
|
|
/// Returns a boolean if we are in a display of [DisplayType.desktop]. Used to
|
|
/// build adaptive and responsive layouts.
|
|
bool isDisplayDesktop(BuildContext context) {
|
|
return displayTypeOf(context) == DisplayType.desktop;
|
|
}
|
|
|
|
/// Returns a boolean if we are in a display of [DisplayType.desktop] but less
|
|
/// than 1000 width. Used to build adaptive and responsive layouts.
|
|
bool isDisplaySmallDesktop(BuildContext context) {
|
|
return isDisplayDesktop(context) &&
|
|
MediaQuery.of(context).size.width < _smallDesktopMaxWidth;
|
|
}
|