launcher_helper 0.1.0+1

This plugin makes it easy for you to create launcher apps for Android with Flutter. Not supported on iOS.

example/lib/main.dart

/// MIT License
/// Copyright (c) 2019 Syed Mushaheed
/// Permission is hereby granted, free of charge, to any person obtaining a copy of this
/// software and associated documentation files (the "Software"), to deal in the
/// Software without restriction, including without limitation the rights to use, copy,
/// modify, merge, publish, distribute, sublicense, and/or sell copies of the Software,
/// and to permit persons to whom the Software is furnished to do so, subject to the
/// following conditions:
///
/// The above copyright notice and this permission notice shall be included in all copies
/// or substantial portions of the Software.
///
/// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
/// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
/// OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
/// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
/// ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
/// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
/// OTHER DEALINGS IN THE SOFTWARE.

/// Modifications Copyright 2019 Mushaheed Syed
/// Copyright 2017 Ashraff Hathibelagal
/// Licensed under the Apache License, Version 2.0 (the "License");
/// you may not use this file except in compliance with the License.
/// You may obtain a copy of the License at
///     http://www.apache.org/licenses/LICENSE-2.0
/// Unless required by applicable law or agreed to in writing, software
/// distributed under the License is distributed on an "AS IS" BASIS,
/// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
/// See the License for the specific language governing permissions and
/// limitations under the License.

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

import 'package:flutter/services.dart';
import 'package:launcher_helper/launcher_helper.dart';

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

class MyApp extends StatefulWidget {
  @override
  _MyAppState createState() => _MyAppState();
}

class _MyAppState extends State<MyApp> {
  var numberOfInstalledApps;
  var installedApps;
  var wallpaper;

  @override
  void initState() {
    super.initState();
    initPlatformState();
  }

  // Platform messages are asynchronous, so we initialize in an async method.
  Future<void> initPlatformState() async {
    var apps, imageData;
    // Platform messages may fail, so we use a try/catch PlatformException.
    try {
      // Get all apps
      apps = await LauncherHelper.getAllApps;
      // Get wallpaper as binary data
      imageData = await LauncherHelper.getWallpaper;
    } on PlatformException {
      print('Failed to get apps or wallpaper');
    }
    // If the widget was removed from the tree while the asynchronous platform
    // message was in flight, we want to discard the reply rather than calling
    // setState to update our non-existent appearance.
    if (!mounted) return;
    setState(() {
      numberOfInstalledApps = apps.length;
      installedApps = apps;
      wallpaper = imageData;
    });
  }

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      home: Scaffold(
        appBar: AppBar(
          title: const Text('Plugin example app'),
        ),
        body: Column(
          children: <Widget>[
            new Text("Found $numberOfInstalledApps apps installed"),
            new RaisedButton(
              child: new Text("Launch Something"),
              onPressed: () {
                // Launch the first app available
                LauncherHelper.launchApp(installedApps[0]["package"]);
              },
            ),
            // Display wallpaper like the example below
            wallpaper != null
                ? new Image.memory(wallpaper, fit: BoxFit.scaleDown)
                : new Center(),

            // Don't use the below method to display wallpaper, may cause issue in the current build.
            // Visibility(
            //   child: Image.memory(wallpaper, fit: BoxFit.scaleDown),
            //   replacement: const SizedBox.shrink(), // new Center(),
            //   visible: wallpaper != null,
            // ),
          ],
        ),
      ),
    );
  }
}