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toggle_switch 封面
插件详情v2.3.0

toggle_switch

切换开关 - 一个简单的切换开关小部件。它可以完全自定义所需的图标、宽度、颜色、文本、圆角半径等。它还保持选中状态。

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Pub 分数
160

安装插件

flutter pub add toggle_switch

插件介绍

基于插件公开信息、社区数据与项目使用情况整理的选型参考。

一个可自定义的切换开关小部件,适用于 Flutter,支持外观和行为的全面自定义。用户可以调整宽度、颜色、图标、文本、圆角半径等。它在重建时保持选中状态,适用于各种需要开/关切换的 UI 需求。该包轻量且兼容所有主要平台,包括移动设备、网页和桌面。

适合场景

  • 用户偏好设置
  • 开关功能切换
  • 表单输入控件
  • 深色模式切换
  • 配置文件配置面板

主要特点

  • 完全可自定义的设计
  • 维护选择状态
  • 支持图标和文本
  • 跨平台兼容性
  • 可调整的大小和样式
  • 简单的 API 集成

适合对象

  • 开发响应式 UI 的开发者
  • 需要基于切换的输入的应用程序
  • 可自定义的表单组件
  • 跨平台 Flutter 项目

使用建议

  • 在某些情况下需要手动处理状态
  • 有限的内置动画
  • 最适合简单的切换逻辑
  • 不适合复杂的交互式组件

原始 README

以下为关联源码仓库的 README 原文快照,最新内容请访问源码仓库。

Toggle Switch

A simple toggle switch widget. It can be fully customized with desired icons, width, colors, text, corner radius, animation etc. It also maintains selection state.

Getting Started

In the pubspec.yaml of your flutter project, add the following dependency:

dependencies:
  ...
  toggle_switch: ^2.3.0

Import it:

import 'package:toggle_switch/toggle_switch.dart';

Usage Examples

Basic toggle switch
// Here, default theme colors are used for activeBgColor, activeFgColor, inactiveBgColor and inactiveFgColor
ToggleSwitch(
  initialLabelIndex: 0,
  totalSwitches: 3,
  labels: ['America', 'Canada', 'Mexico'],
  onToggle: (index) {
    print('switched to: $index');
  },
),

Basic toggle switch

Basic toggle switch with custom height and font size
ToggleSwitch(
  minWidth: 90.0,
  minHeight: 90.0,
  fontSize: 16.0,
  initialLabelIndex: 1,
  activeBgColor: [Colors.green],
  activeFgColor: Colors.white,
  inactiveBgColor: Colors.grey,
  inactiveFgColor: Colors.grey[900],
  totalSwitches: 3,
  labels: ['Tall', 'Grande', 'Venti'],
  onToggle: (index) {
    print('switched to: $index');
  },
),

Basic toggle switch with custom height and font size

With text or icon and custom widths
ToggleSwitch(
  customWidths: [90.0, 50.0],
  cornerRadius: 20.0,
  activeBgColors: [[Colors.cyan], [Colors.redAccent]],
  activeFgColor: Colors.white,
  inactiveBgColor: Colors.grey,
  inactiveFgColor: Colors.white,
  totalSwitches: 2,
  labels: ['YES', ''],
  icons: [null, FontAwesomeIcons.times],
  onToggle: (index) {
    print('switched to: $index');
  },
),

With text or icon and custom widths

With icons, text and different active background colors
ToggleSwitch(
  minWidth: 90.0,
  initialLabelIndex: 1,
  cornerRadius: 20.0,
  activeFgColor: Colors.white,
  inactiveBgColor: Colors.grey,
  inactiveFgColor: Colors.white,
  totalSwitches: 2,
  labels: ['Male', 'Female'],
  icons: [FontAwesomeIcons.mars, FontAwesomeIcons.venus],
  activeBgColors: [[Colors.blue],[Colors.pink]],
  onToggle: (index) {
    print('switched to: $index');
  },
),

With icons, text and different active background colors

With border color, border width, icons, custom height and different active background colors
ToggleSwitch(
  minWidth: 90.0,
  minHeight: 70.0,
  initialLabelIndex: 2,
  cornerRadius: 20.0,
  activeFgColor: Colors.white,
  inactiveBgColor: Colors.grey,
  inactiveFgColor: Colors.white,
  totalSwitches: 3,
  icons: [
    FontAwesomeIcons.mars,
    FontAwesomeIcons.venus,
    FontAwesomeIcons.transgender
  ],
  iconSize: 30.0,
  borderWidth: 2.0,
  borderColor: [Colors.blueGrey],
  activeBgColors: [[Colors.blue], [Colors.pink], [Colors.purple]],
  onToggle: (index) {
    print('switched to: $index');
  },
),

With border color, border width, icons, custom height and different active background colors

With gradient border color, divider color and gradient active background colors
ToggleSwitch(
  minWidth: 90.0,
  minHeight: 70.0,
  initialLabelIndex: 0,
  cornerRadius: 20.0,
  activeFgColor: Colors.white,
  inactiveBgColor: Colors.grey,
  inactiveFgColor: Colors.white,
  totalSwitches: 3,
  icons: [
    FontAwesomeIcons.facebook,
    FontAwesomeIcons.twitter,
    FontAwesomeIcons.instagram
  ],
  iconSize: 30.0,
  borderColor: [Color(0xff3b5998), Color(0xff8b9dc3), Color(0xff00aeff), Color(0xff0077f2), Color(0xff962fbf), Color(0xff4f5bd5)],
  dividerColor: Colors.blueGrey,
  activeBgColors: [[Color(0xff3b5998), Color(0xff8b9dc3)], [Color(0xff00aeff), Color(0xff0077f2)], [Color(0xfffeda75), Color(0xfffa7e1e), Color(0xffd62976), Color(0xff962fbf), Color(0xff4f5bd5)]],
  onToggle: (index) {
    print('switched to: $index');
  },
),

With gradient border color, divider color and gradient active background colors

With bounceInOut animation
ToggleSwitch(
  minWidth: 90.0,
  minHeight: 70.0,
  initialLabelIndex: 0,
  cornerRadius: 20.0,
  activeFgColor: Colors.white,
  inactiveBgColor: Colors.grey,
  inactiveFgColor: Colors.white,
  totalSwitches: 2,
  icons: [
    FontAwesomeIcons.lightbulb,
    FontAwesomeIcons.solidLightbulb,
  ],
  iconSize: 30.0,
  activeBgColors: [[Colors.black45, Colors.black26], [Colors.yellow, Colors.orange]],
  animate: true, // with just animate set to true, default curve = Curves.easeIn
  curve: Curves.bounceInOut, // animate must be set to true when using custom curve
  onToggle: (index) {
    print('switched to: $index');
  },
),

With bounceInOut animation

With radius style
ToggleSwitch(
  minWidth: 90.0,
  cornerRadius: 20.0,
  activeBgColors: [[Colors.green[800]!], [Colors.red[800]!]],
  activeFgColor: Colors.white,
  inactiveBgColor: Colors.grey,
  inactiveFgColor: Colors.white,
  initialLabelIndex: 1,
  totalSwitches: 2,
  labels: ['True', 'False'],
  radiusStyle: true,
  onToggle: (index) {
    print('switched to: $index');
  },
),

With radius style

With custom text styles, null initial label, double tap to de-activate
ToggleSwitch(
  minWidth: 90.0,
  cornerRadius: 20.0,
  inactiveFgColor: Colors.white,
  initialLabelIndex: null,
  doubleTapDisable: true, // re-tap active widget to de-activate
  totalSwitches: 3,
  labels: ['Normal', 'Bold', 'Italic'],
  customTextStyles: [
    null,
    TextStyle(
        color: Colors.brown,
        fontSize: 18.0,
        fontWeight: FontWeight.w900),
    TextStyle(
        color: Colors.black,
        fontSize: 16.0,
        fontStyle: FontStyle.italic)
  ],
  onToggle: (index) {
    print('switched to: $index');
  },
),

With custom text styles, null initial label, double tap to de-activate

With custom icons
ToggleSwitch(
  minWidth: 90.0,
  minHeight: 90.0,
  cornerRadius: 20.0,
  activeBgColors: [
    [Color(0xfffdbb0a)],
    [Colors.black54],
    [Colors.white54]
  ],
  inactiveFgColor: Colors.white,
  initialLabelIndex: 2,
  totalSwitches: 3,
  customIcons: [
    Icon(
      FontAwesomeIcons.ccVisa,
      color: Color(0xff1a1f71),
      size: 55.0,
    ),
    Icon(
      FontAwesomeIcons.ccMastercard,
      color: Color(0xffF79E1B),
      size: 55.0,
    ),
    Icon(
      FontAwesomeIcons.ccAmex,
      color: Color(0xff27AEE3),
      size: 55.0,
    )
  ],
  onToggle: (index) {
    print('switched to: $index');
  },
),

With custom icons

Vertical toggle switch with active border
ToggleSwitch(
  activeBorders: [
    Border.all(
      color: Colors.purple,
      width: 3.0,
    ),
    Border.all(
      color: Colors.yellow.shade700,
      width: 3.0,
    ),
    Border.all(
      color: Colors.deepOrangeAccent,
      width: 3.0,
    ),
    Border.all(
      color: Colors.blue.shade500,
      width: 3.0,
    ),
  ],
  activeFgColor: Colors.black54,
  isVertical: true,
  minWidth: 150.0,
  radiusStyle: true,
  cornerRadius: 20.0,
  initialLabelIndex: 2,
  activeBgColors: [
    [Colors.purpleAccent],
    [Colors.yellow],
    [Colors.orange],
    [Colors.lightBlueAccent]
  ],
  labels: ['Spring', 'Summer', 'Fall', 'Winter'],
  onToggle: (index) {
    print('switched to: $index');
  },
),

Vertical toggle switch with active border

Custom widths greater than device width
SingleChildScrollView(
  scrollDirection: Axis.horizontal,
  child: Scrollbar(
    child: Padding(
      padding: const EdgeInsets.symmetric(horizontal: 10.0),
      child: ToggleSwitch(
        customWidths: [300.0, 100.0, 100.0],
        cornerRadius: 20.0,
        activeBgColors: [
          [Colors.green],
          [Colors.redAccent],
          [Colors.blue]
        ],
        activeFgColor: Colors.white,
        inactiveBgColor: Colors.grey,
        inactiveFgColor: Colors.white,
        labels: ['Yes, the statement above is true', 'False', 'Other'],
        onToggle: (index) {
          print('switched to: $index');
        },
      ),
    ),
  ),
),

Custom widths greater than device width

Multi-line text with custom text style inheriting activeFgColor and inactiveFgColor
ToggleSwitch(
  initialLabelIndex: 0,
  minHeight: 100.0,
  minWidth: 100.0,
  activeBgColor: [Colors.blueAccent.shade200],
  activeFgColor: Colors.yellow,
  customTextStyles: [
    TextStyle(
      fontSize: 15.0
    )
  ],
  multiLineText: true,
  centerText: true,
  totalSwitches: 2,
  labels: ['This is multi-line text.', 'One line'],
  onToggle: (index) {
    print('switched to: $index');
  },
),

Multi-line text with custom text style inheriting activeFgColor and inactiveFgColor

Cancel toggle
ToggleSwitch(
  initialLabelIndex: 0,
  inactiveBgColor: Colors.black54,
  activeBgColor: [Colors.black],
  totalSwitches: 3,
  minHeight: 80.0,
  minWidth: 80.0,
  customIcons: [
    Icon(
      FontAwesomeIcons.bitcoin,
      color: Color(0xFFF2A900),
      size: 50.0,
    ),
    Icon(
      FontAwesomeIcons.ethereum,
      color: Color(0xFF5ca6ce),
      size: 50.0,
    ),
    Icon(
      FontAwesomeIcons.dollarSign,
      color: Colors.green.shade700,
      size: 50.0,
    )
  ],
  onToggle: (index) {
    print('switched to: $index');
  },
  cancelToggle: (index) async {
    String selection = index == 0
        ? 'Bitcoin'
        : index == 1
            ? 'Ethereum'
            : 'Fiat';
    return await showDialog(
      context: context,
      builder: (dialogContext) => AlertDialog(
        content: Text("Select $selection?"),
        actions: [
          TextButton(
              child: Text("No",
                  style: TextStyle(color: Colors.red)),
              onPressed: () {
                Navigator.pop(dialogContext, true);
              }),
          TextButton(
              child: Text("Yes",
                  style: TextStyle(color: Colors.black)),
              onPressed: () {
                Navigator.pop(dialogContext, false);
              })
        ],
      ),
    );
  },
),

Cancel toggle

Custom widgets
ToggleSwitch(
  initialLabelIndex: 0,
  minHeight: 75.0,
  minWidth: double.maxFinite,
  activeBgColor: [Colors.blue.shade50],
  inactiveBgColor: Colors.white,
  dividerColor: Colors.blue,
  borderColor: [Colors.blue],
  borderWidth: 1.0,
  customWidgets: [
    // Overrides default widgets, foreground colors
    Row(
      mainAxisAlignment: MainAxisAlignment.center,
      children: [
        Icon(
          FontAwesomeIcons.star,
        ),
        const SizedBox(width: 10.0),
        Column(
          mainAxisAlignment: MainAxisAlignment.center,
          children: [
            Text(
              'Free',
              style: TextStyle(
                fontWeight: FontWeight.bold,
              ),
              maxLines: 1,
              overflow: TextOverflow.ellipsis,
            ),
            Text(
              '\$0.00',
              maxLines: 1,
              overflow: TextOverflow.ellipsis,
            ),
          ],
        ),
      ],
    ),
    Row(
      mainAxisAlignment: MainAxisAlignment.center,
      children: [
        Icon(
          FontAwesomeIcons.solidStar,
          color: Color(0xffC0C0C0),
        ),
        const SizedBox(width: 10.0),
        Column(
          mainAxisAlignment: MainAxisAlignment.center,
          children: [
            Text(
              'Standard',
              style: TextStyle(
                fontWeight: FontWeight.bold,
              ),
              maxLines: 1,
              overflow: TextOverflow.ellipsis,
            ),
            Text(
              '\$4.99',
              maxLines: 1,
              overflow: TextOverflow.ellipsis,
            ),
          ],
        ),
      ],
    ),
    Row(
      mainAxisAlignment: MainAxisAlignment.center,
      children: [
        Icon(
          FontAwesomeIcons.solidStar,
          color: Color(0xffFFD700),
        ),
        const SizedBox(width: 10.0),
        Column(
          mainAxisAlignment: MainAxisAlignment.center,
          children: [
            Text(
              'Pro',
              style: TextStyle(
                fontWeight: FontWeight.bold,
              ),
              maxLines: 1,
              overflow: TextOverflow.ellipsis,
            ),
            Text(
              '\$9.99',
              maxLines: 1,
              overflow: TextOverflow.ellipsis,
            ),
          ],
        ),
      ],
    ),
  ],
  onToggle: (index) {
    print('switched to: $index');
  },
),

Custom widgets

TextDirection.rtl and corner radius
// When ToggleSwitch is used with Directionality widget and textDirection is set to TextDirection.rtl (right-to-left), 
// switches are displayed right to left along with their respective index values. In this case, corner radius of switches aren't set correctly. 
// To fix this, please use textDirectionRTL parameter and set it to true as shown in the example below. 
Directionality(
  textDirection: TextDirection.rtl,
  child: ToggleSwitch(
    initialLabelIndex: 0,
    cornerRadius: 12.0,
    textDirectionRTL: true,
    activeFgColor: Colors.white,
    totalSwitches: 2,
    labels: ['left', 'right'],
    onToggle: (index) {
      print('switched to: $index');
    },
  ),
),
setState() inside onToggle

Example code with explanation

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