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flutter - 如何在 CircleAvatar 周围放置图标

转载 作者:行者123 更新时间:2023-12-03 21:56:49 25 4
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我正在使用 Flutter 开发一个移动应用程序,我想在 CircleAvatar 周围放置一些小图标。请看下面的红点:

what I want to do

下面是处理它的代码:

  Widget _createHeader(BuildContext context) {
return UserAccountsDrawerHeader(
accountEmail: Text(userEmail),
accountName: Text(userName),
currentAccountPicture: ClipRRect(
borderRadius: BorderRadius.circular(110),
child:
CircleAvatar(
backgroundImage: NetworkImage(userImageUrl),
radius: 60,
backgroundColor: Colors.transparent,
),
),
decoration: BoxDecoration(
color: Theme.of(context).primaryColor
),
);

}

我想让图标跟随圆的圆度,但我不知道如何实现它。
我试图包装 CircleAvatarRowContainer但我没有设法获得效果。有没有办法做到这一点?

最佳答案

我不确定您是否可以将它直接包裹在小部件周围,但您可以使用 Stack 的组合和 Positioned为达到这个。您需要定制radius , iconSizedistance本例中的变量根据您的要求。
enter image description here

@override
Widget build(BuildContext context) {
double radius = 40;
double iconSize = 20;
double distance = 10;
return Scaffold(
body: Center(
child:
Stack(
alignment: Alignment.center,
overflow: Overflow.visible,
children: [
CircleAvatar(
radius: radius,
backgroundImage:
NetworkImage('https://via.placeholder.com/150'),
backgroundColor: Colors.transparent,
),
Positioned(
top: -(radius + iconSize + distance),
right: 0,
bottom: radius,
left: 0,
child: Icon(
Icons.access_alarm,
color: Colors.blue,
size: iconSize,
)),
Positioned(
top: -(iconSize + radius),
right: -(radius + iconSize - distance),
bottom: iconSize,
left: radius,
child: Icon(
Icons.email,
color: Colors.blue,
size: iconSize,
)),
Positioned(
top: -(radius - distance),
right: -(radius + iconSize + distance),
bottom: -iconSize,
left: radius,
child: Icon(
Icons.account_balance,
color: Colors.blue,
size: iconSize,
)),
]),
),
);
}

关于flutter - 如何在 CircleAvatar 周围放置图标,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/61548319/

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