我目前正在Flutter开发一个Android应用程序。我如何添加一个圆形按钮?
当前回答
Container(
width: yourWidth,
height: yourHeight ,
decoration: BoxDecoration(
borderRadius: radius,
gradient: yourGradient,
border: yourBorder),
child: FlatButton(
onPressed: {} (),
shape: RoundedRectangleBorder(borderRadius: radius),
.......
用同样的半径。
其他回答
RaisedButton(
child: Text("Button"),
onPressed: (){},
shape: RoundedRectangleBorder(borderRadius: new BorderRadius.circular(30.0),
side: BorderSide(color: Colors.red))
)
您可以简单地使用RaisedButton
Padding(
padding: EdgeInsets.only(left: 150.0, right: 0.0),
child: RaisedButton(
textColor: Colors.white,
color: Colors.black,
child: Text("Search"),
onPressed: () {},
shape: new RoundedRectangleBorder(
borderRadius: new BorderRadius.circular(30.0),
),
),
)
输出:
更多信息:RSCoder
创建圆角按钮的不同方法如下:
用ElevatedButton. stylefrom
ElevatedButton(
style: ElevatedButton.styleFrom(
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(30.0),
),
),
onPressed: () {},
child:
Text("Buy now".toUpperCase(), style: TextStyle(fontSize: 14)),
),
用ButtonStyle提升按钮
ElevatedButton(
style: ButtonStyle(
shape: MaterialStateProperty.all<RoundedRectangleBorder>(
RoundedRectangleBorder(
borderRadius: BorderRadius.circular(50.0),
))),
onPressed: () {},
child: Text("Submit".toUpperCase()),
),
圆形按钮的实际演示可以在下面的Dartpad链接中找到:
圆形按钮演示例子在达特pad
如果有人正在寻找完整的圆形按钮,那么我实现它的方式:
Center(
child: SizedBox.fromSize(
size: Size(80, 80), // Button width and height
child: ClipOval(
child: Material(
color: Colors.pink[300], // Button color
child: InkWell(
splashColor: Colors.yellow, // splash color
onTap: () {}, // Button pressed
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: <Widget>[
Icon(Icons.linked_camera), // Icon
Text("Picture"), // Text
],
),
),
),
),
),
)
你也可以使用ButtonTheme():
下面是示例代码
ButtonTheme(
minWidth: 200.0,
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(18.0),
side: BorderSide(color: Colors.green)),
child: RaisedButton(
elevation: 5.0,
hoverColor: Colors.green,
color: Colors.amber,
child: Text(
"Place Order",
style: TextStyle(
color: Colors.white, fontWeight: FontWeight.bold),
),
onPressed: () {},
),
),