flutter FlatButton, RaisedButton, and OutlineButton

flutter FlatButton, RaisedButton, and OutlineButton

flutter Material 新的按钮变更

新的改变

FlatButton, RaisedButton, and OutlineButton 已经被 TextButton, ElevatedButton, and OutlinedButton 替换. ButtonTheme 已经被 TextButtonTheme, ElevatedButtonTheme, and OutlinedButtonTheme替换。在flutter.cn/go/material-button-migration-guide中提供了有关新按钮和按钮主题类的详细迁移指南

例子

TextButton(
    style:ButtonStyle(
      padding: MaterialStateProperty.all(EdgeInsets.fromLTRB(80, 8, 80, 8)),
      foregroundColor:  MaterialStateProperty.resolveWith(getColor),
      backgroundColor: MaterialStateProperty.resolveWith(getColor),
    ),
    onPressed: () {
      print('登录');
    },
    child: Text('登录',style: TextStyle(color: Colors.white,fontSize: 20),)
),