import 'package:flutter/cupertino.dart'; import 'package:fluttertoast/fluttertoast.dart'; import 'package:flutter/material.dart'; class ToastUtil { static toast(String text) { Fluttertoast.showToast(msg: text); } } class DialogUtil { static Future showDialog(BuildContext context, Dialog dialog) async { return await showGeneralDialog( context: context, pageBuilder: (BuildContext buildContext, Animation animation, Animation secondaryAnimation) { return dialog; }); } } class DimenUtil { //获取像素比 static double getPixelRatio(BuildContext context) { MediaQueryData mediaQuery = MediaQuery.of(context); return mediaQuery.devicePixelRatio; } }