How to create a Modal bottom sheet in Flutter?

This Article is posted by seven.srikanth at 2/5/2019 12:48:57 AM



A modal bottom sheet is an alternative to a menu or a dialog and prevents the user from interacting with the rest of the app.
If you are looking out for an example on, How to send data to Modal bottom sheet in Flutter, check this article. https://fluttercentral.com/Articles/Post/1110
Before going further, lets get some basics on bottom sheets.
There are two kinds of bottom sheets in material design: Persistent and Modal. 
In this example, we are going to see Modal type. 
If you want to check out about persistent, check this article here. https://fluttercentral.com/Articles/Post/1149
This is how the final output of this Modal Bottom Sheet example is going to look like. 
Below is an example code of how to create a Modal bottom sheet in Flutter. All we are doing is a calling a function ShowModalBottomSheet and building a widget over there.  This is very simple as shown in the below example.
Code from Main.dart file. In order to run this project locally, all you need to do is to create a Project and copy paste the below code to Lib\main.dart file.
   import 'package:flutter/material.dart';

  void main() {
    runApp(MaterialApp(home: ModalBottomSheetDemo()));
  }

  class ModalBottomSheetDemo extends StatefulWidget {
    @override
    _ModalBottomSheetDemoState createState() => _ModalBottomSheetDemoState();
  }

  class _ModalBottomSheetDemoState extends State<modalbottomsheetdemo> {
    void _showModalSheet() {
      showModalBottomSheet(
          context: context,
          builder: (builder) {
            return Container(
              child: Text('Hello From Modal Bottom Sheet'),
              padding: EdgeInsets.all(40.0),
            );
          });
    }

    @override
    Widget build(BuildContext context) {
      return Scaffold(
          appBar: AppBar(title: const Text('Modal bottom sheet')),
          body: Center(
              child: RaisedButton(
                  onPressed: _showModalSheet,
                  child: const Text('Show Modal Bottom Sheet'))));
    }
  }

 

Please let me know if you have any further queries.
Thanks,
Srikanth

Tags: How to create a Modal bottom sheet in Flutter?








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