基于fluttertoast怎么实现封装弹框提示工具类

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实现效果

实现

先在pubspec.yaml文件汇总引入fluttertoast的包：

fluttertoast: ^8.0.8 # 弹窗

封装弹框工具类DialogUtils:

import 'package:flutter/material.dart';import 'package:fluttertoast/fluttertoast.dart';/// @author longzipeng/// @创建时间：2022/2/24/// 封装自定义弹框class DialogUtils {  /// 基础弹框  static alert(    BuildContext context, {    String title = "提示",    String content = "",    GestureTapCallback? confirm,    GestureTapCallback? cancle,    List<Widget>? actions, // 自定义按钮  }) {    showDialog(        context: context,        builder: (context) {          return AlertDialog(            title: Text(              '提示',              style: TextStyle(color: Theme.of(context).primaryColor),            ),            content: Text(content),            actions: actions ??                <Widget>[                  InkWell(                    onTap: () {                      if (cancle != null) {                        cancle();                      }                      Navigator.of(context).pop();                    },                    child: const Padding(                      padding: EdgeInsets.only(right: 20),                      child: Text(                        "取消",                        style: TextStyle(color: Colors.grey),                      ),                    ),                  ),                  InkWell(                    onTap: () {                      if (confirm != null) {                        confirm();                      }                      Navigator.of(context).pop();                    },                    child: Padding(                      padding: const EdgeInsets.only(right: 10),                      child: Text(                        "确定",                        style: TextStyle(color: Theme.of(context).primaryColor),                      ),                    ),                  )                ],          );        });  }  /// 弹出关于界面  static alertAboutDialog(BuildContext context) {    showAboutDialog(      context: context,      applicationIcon: FlutterLoGo(),      applicationName: 'flutterdemo',      applicationVersion: '1.0.0',      applicationLegalese: 'copyright 编程小龙',      children: <Widget>[        Container(          height: 70,          child: const Text(            "总而言之，言而总之，时而不知，终究自知",            maxLines: 2,            style: TextStyle(),          ),        ),      ],    );  }  /// 显示普通消息  static showMessage(String msg,      {toastLength: Toast.LENGTH_SHORT,      gravity: ToastGravity.CENTER,      timeInSecForiOSWEB: 1,      backgroundColor: Colors.grey,      fontSize: 16.0}) {    // 先关闭弹框再显示对应弹框    Fluttertoast.cancel();    Fluttertoast.showToast(        msg: msg,        toastLength: toastLength,        gravity: gravity,        timeInSecForIosWeb: timeInSecForIosWeb,        backgroundColor: backgroundColor,        fontSize: fontSize);  }  /// 显示错误消息  static showErrORMessage(String msg,      {toastLength: Toast.LENGTH_SHORT,      gravity: ToastGravity.CENTER,      timeInSecForIosWeb: 1,      backgroundColor: Colors.red,      fontSize: 16.0}) {    showMessage(msg,        toastLength: toastLength,        gravity: gravity,        timeInSecForIosWeb: timeInSecForIosWeb,        backgroundColor: backgroundColor,        fontSize: fontSize);  }  /// 显示警告信息  static showWaringMessage(String msg,      {toastLength: Toast.LENGTH_SHORT,      gravity: ToastGravity.CENTER,      timeInSecForIosWeb: 1,      backgroundColor: Colors.orangeAccent,      fontSize: 16.0}) {    showMessage(msg,        toastLength: toastLength,        gravity: gravity,        timeInSecForIosWeb: timeInSecForIosWeb,        backgroundColor: backgroundColor,        fontSize: fontSize);  }  /// 显示成功消息  static showSucceSSMessage(String msg,      {toastLength: Toast.LENGTH_SHORT,        gravity: ToastGravity.CENTER,        timeInSecForIosWeb: 1,        backgroundColor: Colors.greenAccent,        fontSize: 16.0}) {    showMessage(msg,        toastLength: toastLength,        gravity: gravity,        timeInSecForIosWeb: timeInSecForIosWeb,        backgroundColor: backgroundColor,        fontSize: fontSize);  }}

测试

注意：这里ListTitleWidget是自己封装的组件，直接改为ListTitle就不会报错了

import 'package:csdn_flutter_demo/pages/common/common_appbar.dart';import 'package:csdn_flutter_demo/utils/dialog_utils.dart';import 'package:csdn_flutter_demo/widgets/list_title_widgets.dart';import 'package:flutter/material.dart';/// @author longzipeng/// @创建时间：2022/3/31/// 弹框演示页面class DialogUtilsDemoPage extends StatefulWidget {  const DialogUtilsDemoPage({Key? key}) : super(key: key);  @override  State<DialogUtilsDemoPage> createState() => _DialogUtilsDemoPageState();}class _DialogUtilsDemoPageState extends State<DialogUtilsDemoPage> {  /// 查询数据  search(value) {    print("搜索的值为：$value");  }  @override  Widget build(BuildContext context) {    return Scaffold(      appBar: const CommonAppbar(        title: "弹窗、提示演示",      ),      body: ListView(        children: [          ListTitleWidget(            title: const Text("弹框，带确认和取消"),            onTap: () {              DialogUtils.alert(context, content: "靓仔、靓女们，一起学习flutter！",                  confirm: () {                print("点击了确认");              }, cancle: () {                print("点击了取消");              });            },          ),          ListTitleWidget(            title: const Text("默认提示"),            onTap: () {              DialogUtils.showMessage("默认提示");            },          ),          ListTitleWidget(            title: const Text("成功提示"),            onTap: () {              DialogUtils.showSuccessMessage("成功提示");            },          ),          ListTitleWidget(            title: const Text("警告提示"),            onTap: () {              DialogUtils.showWaringMessage("警告提示");            },          ),          ListTitleWidget(            title: const Text("错误提示"),            onTap: () {              DialogUtils.showErrorMessage("错误提示");            },          ),        ],      ),    );  }}

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