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1.Switch组件

const Switch({
    
    
    super.key,
    required this.value,
    required this.onChanged,
    this.activeColor,
    this.activeTrackColor,
    this.inactiveThumbColor,
    this.inactiveTrackColor,
    this.activeThumbImage,
    this.onActiveThumbImageError,
    this.inactiveThumbImage,
    this.onInactiveThumbImageError,
    this.thumbColor,
    this.trackColor,
    this.materialTapTargetSize,
    this.dragStartBehavior = DragStartBehavior.start,
    this.mouseCursor,
    this.focusColor,
    this.hoverColor,
    this.overlayColor,
    this.splashRadius,
    this.focusNode,
    this.autofocus = false,
  })

2.SwitchListTile组件

SwitchListTile组件除了包含SwitchListTile组件的常用属性外，还包含RadioListTile组件常用属性。

 const SwitchListTile({
    
    
    super.key,
    required this.value,
    required this.onChanged,
    this.tileColor,
    this.activeColor,
    this.activeTrackColor,
    this.inactiveThumbColor,
    this.inactiveTrackColor,
    this.activeThumbImage,
    this.inactiveThumbImage,
    this.title,
    this.subtitle,
    this.isThreeLine = false,
    this.dense,
    this.contentPadding,
    this.secondary,
    this.selected = false,
    this.autofocus = false,
    this.controlAffinity = ListTileControlAffinity.platform,
    this.shape,
    this.selectedTileColor,
    this.visualDensity,
    this.focusNode,
    this.enableFeedback,
    this.hoverColor,
  })

3.SingleChildScrollView组件

SingleChildScrollView组件（单孩子视图滚动组件)是一个用于当承载的子元素超过屏幕范围时实现滚动的组件。SingleChildScrollView组件的常用属性及功能说明如表所示。

const SingleChildScrollView({
    
    
    super.key,
    this.scrollDirection = Axis.vertical,
    this.reverse = false,
    this.padding,
    this.primary,
    this.physics,
    this.controller,
    this.child,
    this.dragStartBehavior = DragStartBehavior.start,
    this.clipBehavior = Clip.hardEdge,
    this.restorationId,
    this.keyboardDismissBehavior = ScrollViewKeyboardDismissBehavior.manual,
  })

4.ScrollController

ScrollController组件是一个可以获取滚动状态和数据的组件，它的常用属性和方法如表所示。