点击一个按钮,我在它上面打开一个覆盖。是否有一种方法可以模糊或模糊覆盖打开的页面?
感谢您的宝贵时间!Widget build(BuildContext context) {
showDialog(
context: context,
barrierDismissible: true,
barrierLabel:
MaterialLocalizations.of(context).modalBarrierDismissLabel,
barrierColor: Colors.black54.withOpacity(0.8),
builder: (context) {
return AlertDialog(
content: SizedBox(
width: 300,
child: ...
);
});
}
调整不透明度:
Colors.black54.withOpacity(0.8)