custom drawer

Posted 2022-01-08 pythonclub

import ‘package:flutter/material.dart‘;

main() => runApp(MaterialApp(
  home: HomePage(),
));

class HomePage extends StatefulWidget 
  @override
  State<StatefulWidget> createState() 
    return HomePageState();
  


class HomePageState extends State<HomePage> 
  double w, h;
  double page;
  double draw = 0.0;
  double i = 50;
  bool ini = true;

  @override
  Widget build(BuildContext context) 
    w = MediaQuery.of(context).size.width;
    h = MediaQuery.of(context).size.height;

    if(ini) 
      page = w;
      ini = !ini;
    

    return SafeArea(
      child: Scaffold(
        body: Container(
          width: w, height: h,
          child: Row(
            mainAxisAlignment: MainAxisAlignment.start,
            children: <Widget>[
              Container(color: Colors.black, width: draw,),
              Container(
                width: page,
                child: SingleChildScrollView(
                    scrollDirection: Axis.horizontal,
                    child: Container(color: Colors.amberAccent,child: Text(‘atest‘),)),
              ),
            ],
          ),
        ),
        floatingActionButton: FloatingActionButton(onPressed: ()
          setState(() 
            draw = w * 3/5;
            page = w * 2/5;
          );
        ),
      ),
    );