Fork from https://github.com/Dart-for-Apps/flutter_package_manager

Add Android PackageInfo's versionName and versionCode

edit flutter_package_manager/android/src/main/kotlin/dev/wurikiji/flutter_package_manager/FlutterPackageManagerPlugin.kt

Package Manager for Android

This plugin offers the ability of android's PackageManager. You can retrieve the app name, app launcher icon through this package with its package name. The package should be installed on a device.

This plugin supports android only and it is based on androidx.

How to use

See the ./example and ./lib folders for the details.

Modify minSdkVersion of the android gradle

In the android/app folder open the build.gradle file and edit minSdkVersion to greater than or equal to 22.

Get package information from the package name

import 'package:flutter_package_manager/flutter_package_manager.dart';

/// ... other codes

Future<PackageInfo> getPackageInfo() async {
  final PackageInfo info =
    await FlutterPackageManager.getPackageInfo('com.facebook.katana');
  return info;
}

PackageInfo class contains packageName, appName and appIconByteArray. appIconByteArray is an array of base64 byte image of app icon. You can get flutter's Image widget icon by appIcon getter. If the app is not installed, than null is returned.

Get package names of the all applications installed on the device

import 'package:flutter_package_manager/flutter_package_manager.dart';

/// ... other codes

Future<List> getInstalledPackages() async {
  // All apps including system apps
  List packages = await FlutterPackageManager.getInstalledPackages();

  // Apps installed by user
  List userInstalledPackages = await FlutterPackageManager.getUserInstalledPackages();
  return packages;
}