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套件詳情v2.3.0

toggle_switch

切換開關 - 一個簡單的切換開關小部件。它可以完全自訂所需的圖示、寬度、顏色、文字、圓角半徑等。它也維持選取狀態。

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安裝套件

flutter pub add toggle_switch

套件介紹

根據套件公開資料產生的選型評估,僅供參考。

一個可自訂的切換開關組件,適用於 Flutter,支援外觀與行為的完整自訂。使用者可調整寬度、顏色、圖示、文字、圓角半徑等。它在重新建構時會維持選取狀態,適合各種需要開/關切換的 UI 需求。此套件輕量且相容所有主要平台,包含行動裝置、網頁與桌面。

適用情境

  • 使用者偏好設定
  • 開關功能切換
  • 表單輸入控制項
  • 深色模式切換
  • 設定檔設定面板

主要特色

  • 完全可自定義的設計
  • 維護選擇狀態
  • 支援圖示和文字
  • 跨平台相容性
  • 可調整的大小和樣式
  • 簡單的 API 結合

適合對象

  • 開發響應式 UI 的開發者
  • 需要基於切換式輸入的應用程式
  • 可自訂的表單元件
  • 跨平台 Flutter 專案

使用建議

  • 在某些情況下需要手動處理狀態
  • 有限的內建動畫
  • 最適合簡單的切換邏輯
  • 不適合複雜的互動式組件

原始 README

以下為關聯原始碼儲存庫的 README 原文快照,最新內容請造訪原始碼儲存庫。

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

Code Contributors

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