错误：颤振中未定义的名称'context'

Question

我是一个初学者与扑动，我刚刚开始几天前。我想从一页翻到另一页。但是当我使用导航器时它显示了一个错误。

我试图解决它使用一些答案类似的问题堆栈溢出，但我不能解决它。而且，我不能正确地理解这些。

这些是其中的一些:

未定义名称'context'

_buildDrawer() {
return ClipPath(
clipper: OvalRightBorderClipper(),
child: Drawer(
child: Container(
padding: const EdgeInsets.only(left: 16.0, right: 40),
decoration: BoxDecoration(
color: primary, boxShadow: [BoxShadow(color: Colors.black45)]),
width: 300,
child: SafeArea(
child: SingleChildScrollView(
child: Column(
children: <Widget>[
Container(
alignment: Alignment.centerRight,
child: IconButton(
icon: Icon(
Icons.power_settings_new,
color: active,
),
onPressed: () {},
),
),
Container(
height: 90,
alignment: Alignment.center,
decoration: BoxDecoration(
shape: BoxShape.circle,
gradient:
LinearGradient(colors: [Colors.pink, Colors.red])),
child: CircleAvatar(
radius: 40,
backgroundImage: NetworkImage(profile),
),
),
SizedBox(height: 5.0),
Text(
"Mohd Amin bin Yaakob",
style: TextStyle(color: Colors.white, fontSize: 18.0),
),
Text(
"Pegawai",
style: TextStyle(color: active, fontSize: 16.0),
),
SizedBox(height: 30.0),
_buildRow(Icons.home, "Home", () {
Navigator.push(context,
MaterialPageRoute(
builder: (context) {
return HomePageWidgetPage();
},
),
);
}),
_buildDivider(),
_buildRow(Icons.home, "Home", () {
Navigator.push(context,
MaterialPageRoute(
builder: (context) {
return HomePageWidgetPage();
},
),
);
}),
_buildDivider(),
_buildRow(Icons.home, "Home", () {
Navigator.push(context,
MaterialPageRoute(
builder: (context) {
return HomePageWidgetPage();
},
),
);
}),
_buildDivider(),
_buildRow(Icons.home, "Home", () {
Navigator.push(context,
MaterialPageRoute(
builder: (context) {
return HomePageWidgetPage();
},
),
);
}),
_buildDivider(),
_buildRow(Icons.home, "Home", () {
Navigator.push(context,
MaterialPageRoute(
builder: (context) {
return HomePageWidgetPage();
},
),
);
}),
_buildDivider(),
],
),
),
),
),
),
);
}
Divider _buildDivider() {
return Divider(
color: active,
);
}
Widget _buildRow(IconData icon, String title, VoidCallback onTap) {
final TextStyle tStyle = TextStyle(color: active, fontSize: 16.0);
return InkWell(
child: Container(
padding: const EdgeInsets.symmetric(vertical: 8.0),
child: Row(
children: [
Icon(
icon,
color: active,
),
SizedBox(width: 10.0),
Text(
title,
style: tStyle,
),
],
),
),
onTap: onTap,
);
}
}

在颤振导航中未定义名称" context "

Answer 1

您可以像

那样传递context

_buildDrawer(BuildContext context){

你调用这个方法的地方

_buildDrawer(context)