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https://github.com/pichillilorenzo/flutter_appavailability

A Flutter plugin that allows you to check if an app is installed/enabled, launch an app and get the list of installed apps.
https://github.com/pichillilorenzo/flutter_appavailability

android dart flutter flutter-package flutter-plugin ios plugin swift

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A Flutter plugin that allows you to check if an app is installed/enabled, launch an app and get the list of installed apps.

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# Flutter AppAvailability Plugin



[![Pub](https://img.shields.io/pub/v/flutter_appavailability.svg)](https://pub.dartlang.org/packages/flutter_appavailability)



A Flutter plugin that allows you to check if an app is installed/enabled, launch an app and get the list of installed apps.



This plugin was inspired by the plugin [AppAvailability for Cordova](https://github.com/ohh2ahh/AppAvailability).



## Getting Started

For help getting started with Flutter, view our online

[documentation](https://flutter.io/).



For help on editing plugin code, view the [documentation](https://flutter.io/developing-packages/#edit-plugin-package).



## Installation

First, add `flutter_appavailability` as a [dependency in your pubspec.yaml file](https://flutter.io/using-packages/).



## Methods available

- `checkAvailability(String uri)`

- `getInstalledApps()` (only for **Android**)

- `isAppEnabled(String uri)` (only for **Android**)

- `launchApp(String uri)`



See the [docs](https://pub.dartlang.org/documentation/flutter_appavailability/latest/).



## Example

Here is a small example flutter app displaying a list of installed apps that you can launch.

```dart

import 'package:flutter/material.dart';

import 'dart:async';

import 'dart:io';



import 'package:flutter_appavailability/flutter_appavailability.dart';



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



class MyApp extends StatefulWidget {

  @override

  _MyAppState createState() => new _MyAppState();

}



class _MyAppState extends State {



  List> installedApps;

  List> iOSApps = [

    {

      "app_name": "Calendar",

      "package_name": "calshow://"

    },

    {

      "app_name": "Facebook",

      "package_name": "fb://"

    },

    {

      "app_name": "Whatsapp",

      "package_name": "whatsapp://"

    }

  ];



  @override

  void initState() {

    super.initState();

  }



  // Platform messages are asynchronous, so we initialize in an async method.

  Future getApps() async {

    List> _installedApps;



    if (Platform.isAndroid) {



      _installedApps = await AppAvailability.getInstalledApps();



      print(await AppAvailability.checkAvailability("com.android.chrome"));

      // Returns: Map{app_name: Chrome, package_name: com.android.chrome, versionCode: null, version_name: 55.0.2883.91}



      print(await AppAvailability.isAppEnabled("com.android.chrome"));

      // Returns: true



    }

    else if (Platform.isIOS) {

      // iOS doesn't allow to get installed apps.

      _installedApps = iOSApps;



      print(await AppAvailability.checkAvailability("calshow://"));

      // Returns: Map{app_name: , package_name: calshow://, versionCode: , version_name: }



    }



    setState(() {

      installedApps = _installedApps;

    });



  }



  @override

  Widget build(BuildContext context) {

    if (installedApps == null)

      getApps();



    return MaterialApp(

      home: Scaffold(

        appBar: AppBar(

          title: const Text('Plugin flutter_appavailability app'),

        ),

        body: ListView.builder(

          itemCount: installedApps == null ? 0 : installedApps.length,

          itemBuilder: (context, index) {

            return ListTile(

              title: Text(installedApps[index]["app_name"]),

              trailing: IconButton(

                icon: const Icon(Icons.open_in_new),

                onPressed: () {

                  Scaffold.of(context).hideCurrentSnackBar();

                  AppAvailability.launchApp(installedApps[index]["package_name"]).then((_) {

                    print("App ${installedApps[index]["app_name"]} launched!");

                  }).catchError((err) {

                    Scaffold.of(context).showSnackBar(SnackBar(

                        content: Text("App ${installedApps[index]["app_name"]} not found!")

                    ));

                    print(err);

                  });

                }

              ),

            );

          },

        ),

      ),

    );

  }

}



```



Android:

![screenshot_1536780581](https://user-images.githubusercontent.com/5956938/45448682-48c49e80-b6d3-11e8-8e56-5972b017e233.png)



iOS:

![simulator screen shot - iphone x - 2018-09-12 at 21 27 05](https://user-images.githubusercontent.com/5956938/45448686-4a8e6200-b6d3-11e8-841c-be5b609b8c9b.png)