/**
const FloatingActionButton({
Key key,
this.child,//按钮显示的内容
this.tooltip,//长按时显示的提示
this.foregroundColor,//前景色,影响到文字颜色
this.backgroundColor,//背景色
this.heroTag = const _DefaultHeroTag(),//hero效果使用的tag,系统默认会给所有FAB使用同一个tag,方便做动画效果
this.elevation = 6.0,//未点击时阴影值
this.highlightElevation = 12.0,//点击下阴影值
@required this.onPressed,
this.mini = false,//FloatingActionButton有regular, mini, extended三种类型,默认为false即regular类型,true时按钮变小即mini类型,extended需要通过FloatingActionButton.extended()创建,可以定制显示内容
this.shape = const CircleBorder(),//定义FAB的shape,设置shape时,默认的elevation将会失效,默认为CircleBorder
this.clipBehavior = Clip.none,
this.materialTapTargetSize,
this.isExtended = false,//是否为”extended”类型
})
*/
设置位置
设置FloatingActionButton位置
//centerDocked 底部中间
//endDocked 底部右侧
//centerFloat 中间偏上
//endFloat 底部偏上
home: Scaffold(
appBar: AppBar(
title: Text("FloatingActionButton"),
),
body: Container(),
floatingActionButtonLocation: FloatingActionButtonLocation.centerDocked,
floatingActionButton: FloatingActionButton(
onPressed: () => print("FloatingActionButton"),
child: Text("button"),
),
),