"bottom sheet" Code Answer's

bottom sheet

By Doubtful Dotterel on May 04, 2021

import 'package:flutter/material.dart';

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

class MyApp extends StatelessWidget {
  // This widget is the root of your application.
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Flutter Demo',
      home: MyHomePage(),
    );
  }
}

class MyHomePage extends StatefulWidget {
  @override
  _MyHomePageState createState() => _MyHomePageState();
}

class _MyHomePageState extends State<MyHomePage> {
  @override
  Widget build(BuildContext context) {
    final GlobalKey<ScaffoldState> scaffoldKey = GlobalKey<ScaffoldState>();

    return Scaffold(
      key: scaffoldKey,
      appBar: AppBar(
        title: Text("Hello,World"),
      ),
      body: Center(
        child: Container(
          height: 300,
          width: 400,
          child: Column(
            children: <Widget>[
              //Container(color: Colors.blue, child: Text("Hello,World")),
              Container(
                height: 200,
                width: 500,
                child: FlatButton(
                  onPressed: () {
                    print("I Was clicked");
                    var sheetController = scaffoldKey.currentState
                        .showBottomSheet((context) => BottomSheetWidget());
                    sheetController.closed.then((value) {
                      print("closed");
                    });
                  },
                  child: Container(
                    color: Colors.red,
                  ),
                ),
              ),
            ],
          ),
        ),
      ),
    );
  }
}

class BottomSheetWidget extends StatefulWidget {
  const BottomSheetWidget({Key key}) : super(key: key);

  @override
  _BottomSheetWidgetState createState() => _BottomSheetWidgetState();
}

class _BottomSheetWidgetState extends State<BottomSheetWidget> {
  @override
  Widget build(BuildContext context) {
    return Container(
      margin: const EdgeInsets.only(top: 5, left: 15, right: 15),
      height: 160,
      child: Column(
        mainAxisAlignment: MainAxisAlignment.center,
        mainAxisSize: MainAxisSize.max,
        children: <Widget>[
          Container(
            height: 125,
            decoration: BoxDecoration(
                color: Colors.white,
                borderRadius: BorderRadius.circular(15),
                boxShadow: [
                  BoxShadow(
                      blurRadius: 10, color: Colors.grey[300], spreadRadius: 5)
                ]),
            child: Column(
              children: <Widget>[
                Container(
                    height: 100,
                    width: 500,
                    child: Text("This is bottom Sheet")),
              ],
            ),
          )
        ],
      ),
    );
  }
}

Source: stackoverflow.com

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