小编Wil*_*lsh的帖子

我有一个顶部栏，左侧（设置）和右侧（配置文件）带有图标。我需要一个抽屉根据单击的图标从左侧或右侧滑出。我的左侧（设置）工作正常，但是我不明白如何在一个页面上有两个抽屉。

我相信拥有两个抽屉比根据所选链接以编程方式编辑抽屉更有意义，但我以前也经常犯错:)

import 'package:curved_navigation_bar/curved_navigation_bar.dart';
import 'package:flutter/material.dart';

void main() => runApp(MyApp());

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'GovMatrix',
      theme: ThemeData(
        brightness: Brightness.dark,
        primaryColor: Colors.black,
        accentColor: Colors.grey,
        //canvasColor: Colors.grey[300],
        //canvasColor: Colors.transparent,
        canvasColor: Colors.transparent,
        fontFamily: 'Calibri',
        textTheme: TextTheme(
          headline: TextStyle(
            fontSize: 72.0,
            color: Colors.black,
            fontWeight: FontWeight.bold,
          ),
          title: TextStyle(
            fontSize: 36.0,
            color: Colors.black,
            fontStyle: FontStyle.normal,
          ),
          body1: TextStyle(
            fontSize: 14.0,
            color: Colors.black,
          ),
        ),
      ),
      home: BottomNavBar(),
    );
  }
}

class BottomNavBar extends StatefulWidget {
  @override …