前言
现在有个需求，需要用底部弹窗来添加定时的重复。在这里使用原生的showModalBottomSheet来实现
showModalBottomSheet的Props
| 名称 | 描述 |
|---|---|
| isScrollControlled | 全屏还是半屏 |
| isDismissible | 外部是否可以点击，false不可以点击，true可以点击，点击后消失 |
| backgroundColor | 背景色，通常可以设置白色和透明 |
| barrierColor | 设置遮挡底部的半透明颜色,默认是black54,可以设置成透明的; 置外部区域的颜色 |
| enableDrag | 是否可以向下拖动关闭,默认是true打开的; |
| shape | model边框样式 |
| builder | 构造内容 |
关闭弹窗
Navigator.pop(context);完整代码
showModalBottomSheet(
context: context,
backgroundColor: Colors.transparent,
builder: (context) {
return Container(
height: 600.h,
padding: EdgeInsets.symmetric(horizontal: 30.w),
decoration: BoxDecoration(
borderRadius: BorderRadius.only(
topLeft: Radius.circular(30.w),
topRight: Radius.circular(30.w),
),
color: Colors.white,
),
child: Column(
children: [
Container(
height: 110.h,
child: Center(
child: Text(
"重复".tr,
style: TextStyle(
fontSize: 30.sp,
fontWeight: FontWeight.bold,
),
),
),
),
RepeatModelItem(
title: "启动一次".tr,
isSelect: repeatDate.isEmpty,
onPressed: () {
Navigator.pop(context);
},
),
RepeatModelItem(
title: "每天".tr,
isSelect: repeatDate.length == 7,
onPressed: () {
Navigator.pop(context);
},
),
RepeatModelItem(
title: "自定义".tr,
isSelect: repeatDate.isNotEmpty && repeatDate.length < 7,
onPressed: () {
Navigator.pop(context);
},
),
Container(
margin: EdgeInsets.only(top: 20.h),
child: TextButton(
onPressed: () {
Navigator.pop(context);
},
child: Text("取消".tr),
),
)
],
),
);
},
);但是此时遇到了一个问题，在底部选择中使用多选框的是否不能选中
解决办法
使用StatefulBuilder实现局部刷新
showModalBottomSheet(
isScrollControlled: true,
context: context,
backgroundColor: Colors.transparent,
builder: (context) {
//因为组件中用了多选框，要使多选框点击生效，所以这里使用了StatefulBuilder，实现局部刷新
return StatefulBuilder(
//弹窗内容
builder: (context, setState) {
return Container(
height: 1050.h,
padding: EdgeInsets.symmetric(horizontal: 30.w),
decoration: BoxDecoration(
borderRadius: BorderRadius.only(
topLeft: Radius.circular(30.w),
topRight: Radius.circular(30.w),
),
color: Colors.white,
),
child: Column(
children: [
// 标题
SizedBox(
height: 110.h,
child: Center(
child: Text(
"自定义".tr,
style: TextStyle(
fontSize: 30.sp,
fontWeight: FontWeight.bold,
),
),
),
),
RepeatModelItem(
title: "周一".tr,
isSelect: customrepeatDate[0] == 1,
onPressed: () {
setState(() {
customrepeatDate[0] = customrepeatDate[0] == 1 ? 0 : 1;
});
},
),
RepeatModelItem(
title: "周二".tr,
isSelect: customrepeatDate[1] == 1,
onPressed: () {
setState(() {
customrepeatDate[1] = customrepeatDate[1] == 1 ? 0 : 1;
});
},
),
RepeatModelItem(
title: "周三".tr,
isSelect: customrepeatDate[2] == 1,
onPressed: () {
setState(() {
customrepeatDate[2] = customrepeatDate[2] == 1 ? 0 : 1;
});
},
),
RepeatModelItem(
title: "周四".tr,
isSelect: customrepeatDate[3] == 1,
onPressed: () {
setState(() {
customrepeatDate[3] = customrepeatDate[3] == 1 ? 0 : 1;
});
},
),
RepeatModelItem(
title: "周五".tr,
isSelect: customrepeatDate[4] == 1,
onPressed: () {
setState(() {
customrepeatDate[4] = customrepeatDate[4] == 1 ? 0 : 1;
});
},
),
RepeatModelItem(
title: "周六".tr,
isSelect: customrepeatDate[5] == 1,
onPressed: () {
setState(() {
customrepeatDate[5] = customrepeatDate[5] == 1 ? 0 : 1;
});
},
),
RepeatModelItem(
title: "周日".tr,
isSelect: customrepeatDate[6] == 1,
onPressed: () {
setState(() {
customrepeatDate[6] = customrepeatDate[6] == 1 ? 0 : 1;
});
},
),
// 取消、确定按钮
Container(
margin: EdgeInsets.only(top: 20.h),
child: Row(
mainAxisAlignment: MainAxisAlignment.spaceAround,
children: [
// 取消按钮
TextButton(
style: TextButton.styleFrom(
minimumSize: Size(300.w, 80.h),
),
onPressed: () {
setState(() {
customrepeatDate =
setcustomrepeatDate(repeatDate);
});
Navigator.pop(context);
},
child: Text("取消".tr),
),
// 确定按钮
TextButton(
style: TextButton.styleFrom(
minimumSize: Size(300.w, 80.h),
),
onPressed: () {
var repeatDate1 = [];
for (var i = 0; i < 7; i++) {
if (customrepeatDate[i] == 1) {
repeatDate1.add(i + 1);
}
}
// setState(() {
// repeatDate = repeatDate1;
// });
//用上面的方法我更新不了repeatDate数据，于是我将更新放在外面了，可能是setState是StatefulBuilder的
setRepeatDate(repeatDate1);
Navigator.pop(context);
},
child: Text("确定".tr),
),
],
),
)
],
),
);
},
);
},
);