Flutter – How to get App Name, Package Name, Version & Build number

Hi Guys, Welcome to Proto Coders Point. In this flutter Article will learn how to get app name, package name, app version and build number of app programmatically by using flutter package info plus dependencies.

Package_info_plus

Flutter plugin that help us in getting app information, basically a API for querying detail info about the application programmatically.

Platform supported

Package info plus flutter plugin support all the OS : Android, iOS, MacOS, Web, Linux, Windows.

How to use package info plus

Installation

Open pubspec.yaml file & under dependencies section add plugin

dependencies:
  package_info_plus:

Then hit pub get button.

Alternatively, To add the package using terminal, in IDE terminal rub below cmd

flutter pub add package_info_plus

Import it

Now in dart file, where you want to use the package import it example: main.dart

import 'package:package_info_plus/package_info_plus.dart';

Code usage

Initialize

 PackageInfo packageInfo = await PackageInfo.fromPlatform();

Now by using packageInfo object, you can easily get appName, packageName, AppVersion & app build number.

    String appName = packageInfo!.appName;  

    String packageName = packageInfo!.packageName;

    String version = packageInfo!.version;

    String buildNumber = packageInfo!.buildNumber;

Complete Source Code – get package detail in flutter

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

void main() {
  runApp(const MyApp());
}

class MyApp extends StatelessWidget {
  const MyApp({Key? key}) : super(key: key);

  // This widget is the root of your application.
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Flutter Demo',
      theme: ThemeData(

        primarySwatch: Colors.blue,
      ),
      home: const MyHomePage(title: 'Flutter Demo Home Page'),
    );
  }
}

class MyHomePage extends StatefulWidget {
  const MyHomePage({Key? key, required this.title}) : super(key: key);

  final String title;

  @override
  State<MyHomePage> createState() => _MyHomePageState();
}

class _MyHomePageState extends State<MyHomePage> {

  PackageInfo? packageInfo;

  @override
  void initState() {
    // TODO: implement initState
    super.initState();
    getPackage();

  }

  void getPackage() async {
    packageInfo = await PackageInfo.fromPlatform();

    String appName = packageInfo!.appName;
    String packageName = packageInfo!.packageName;
    String version = packageInfo!.version;
    String buildNumber = packageInfo!.buildNumber;

    print("App Name : ${appName}, App Package Name: ${packageName },App Version: ${version}, App build Number: ${buildNumber}");
  }

  @override
  Widget build(BuildContext context) {

    return Scaffold(
      appBar: AppBar(

        title: Text(widget.title),
      ),
      body:  Center(
        child: Text("Flutter get Package info"),
      )
      // This trailing comma makes auto-formatting nicer for build methods.
    );
  }
}