Flutter 如何解决;Iconda';不是类型为';小部件'&引用;?
我有一个Flutter 如何解决;Iconda';不是类型为';小部件'&引用;?,flutter,flutter-layout,Flutter,Flutter Layout,我有一个设置门如下,没有任何问题 SettingsSection( title: 'System', tiles: [ SettingsTile( title: 'Reset', leading: Icon(Icons.clear_all_sharp), trailing: Icon(Icons.keyboard_arrow_right), onTap: () { Navigator.of(context).push
设置门
如下,没有任何问题
SettingsSection(
title: 'System',
tiles: [
SettingsTile(
title: 'Reset',
leading: Icon(Icons.clear_all_sharp),
trailing: Icon(Icons.keyboard_arrow_right),
onTap: () {
Navigator.of(context).push(MaterialPageRoute(builder: (BuildContext context) => LoginPage()));
},
),
但如果我将其更改为如下代码:
SettingsSection(
title: 'System',
tiles: [
_optionPush('Reset', Icons.clear_all_rounded, Icon(Icons.keyboard_arrow_right), LoginPage, context),
Widget _optionPush(title, leading, trailing, func, context) {
return SettingsTile(
title: title,
leading: leading,
trailing: trailing,
onTap: () {
Navigator.of(context).push(
MaterialPageRoute(
builder: (BuildContext context) => func(),
),
);
},
);
}
我收到错误类型“IconData”不是类型“Widget”的子类型
,下一步该怎么办?您忘记将Icon()小部件包装到图标数据。请看下面
SettingsSection(
title: 'System',
tiles: [
_optionPush('Reset', Icon(Icons.clear_all_rounded, Icon(Icons.keyboard_arrow_right), LoginPage, context),
您忘了用
Icon()
小部件包装iconData
SettingsSection(
title: 'System',
tiles: [
_optionPush('Reset', Icons.clear_all_rounded, Icon(Icons.keyboard_arrow_right), LoginPage, context),
Widget _optionPush(title, leading, trailing, func, context) {
return SettingsTile(
title: title,
leading: Icon(leading),
trailing: Icon(trailing),
onTap: () {
Navigator.of(context).push(
MaterialPageRoute(
builder: (BuildContext context) => func(),
),
);
},
);
}
您的
平铺:
参数是否缺少结束]
?我找到了它,前导应该是前导:图标(前导)
!你可以回答我。