More smartrelease link updates :3

README.md

@@ -1,13 +1,33 @@
 # Yamete Kudasai
 
-Cute anime girl moaning when something is plugged in.
+<p align="center">
+  <a href="https://smartrelease.bytedream.org/github/ByteDream/Yamete-Kudasai/yamete_kudasai-{tag}.apk">
+    <img src="https://img.shields.io/github/downloads/ByteDream/Yamete-Kudasai/total?style=flat-square" alt="Download Badge">
+  </a>
+  <a href="https://github.com/ByteDream/Yamete-Kudasai/releases/latest">
+    <img src="https://img.shields.io/github/v/release/ByteDream/Yamete-Kudasai?style=flat-square" alt="Latest release">
+  </a>
+  <a href="https://github.com/ByteDream/Yamete-Kudasai/blob/master/LICENSE">
+    <img src="https://img.shields.io/github/license/ByteDream/Yamete-Kudasai?style=flat-square" alt="License">
+  </a>
+  <a href="#">
+    <img src="https://img.shields.io/github/languages/top/ByteDream/Yamete-Kudasai?style=flat-square" alt="Top language">
+  </a>
+</p>
+
+<h5 align="center">Cute anime girls moaning when something is plugged in.</h5>
 
 ## Getting Started
 
 > Android only
 
+**Download the latest release [here](https://smartrelease.bytedream.org/github/ByteDream/Yamete-Kudasai/yamete_kudasai-{tag}.apk).**
+
 I think the sentence above says all about the app...
 
+It basically plays a sound whenever a event from the supported events below gets fired.
+The sounds are predefined within the app and can easily be changed.
+
 
 <img src="ext/preview_1.png" width=30%> <img src="ext/preview_2.png" width=30%> <img src="ext/preview_3.png" width=30%>
 
@@ -18,8 +38,8 @@ and a new window pops up where you can set the sound which should be played on t
 
 Supported events:
 - **Battery**
-  - Battery charging
-  - Battery discharging
+  - Battery charging (cable plugged in)
+  - Battery discharging (cable plugged out)
   - Battery full
 - **Headphone**
   - Headphone connected
@@ -29,3 +49,4 @@ Supported events:
 
 This project is licensed under the Do What The F*ck You Want To Public License (WTFPL) - see the [LICENSE](LICENSE) file for more details.
 
+All rights for the audio and image files in [assets/audio](assets/audio), [assets/icon](assets/icon) and [android/app/src/main/res](android/app/src/main/res) are reserved to their artist and copyright holders.

android/app/build.gradle

@@ -32,7 +32,7 @@ apply plugin: 'com.android.application'
 apply from: "$flutterRoot/packages/flutter_tools/gradle/flutter.gradle"
 
 android {
-    compileSdkVersion 30
+    compileSdkVersion 31
 
     compileOptions {
         sourceCompatibility JavaVersion.VERSION_1_8
@@ -43,7 +43,7 @@ android {
         // TODO: Specify your own unique Application ID (https://developer.android.com/studio/build/application-id.html).
         applicationId "org.bytedream.yamete_kudasai"
         minSdkVersion 16
-        targetSdkVersion 30
+        targetSdkVersion 31
         versionCode flutterVersionCode.toInteger()
         versionName flutterVersionName
         multiDexEnabled true

android/app/src/main/AndroidManifest.xml

@@ -1,9 +1,9 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     package="org.bytedream.yamete_kudasai">
-   <application
+    <application
         android:label="Yamete Kudasai"
         android:icon="@mipmap/ic_launcher">
-       <activity
+        <activity
             android:name=".MainActivity"
             android:launchMode="singleTop"
             android:theme="@style/LaunchTheme"
@@ -15,18 +15,18 @@
                  while the Flutter UI initializes. After that, this theme continues
                  to determine the Window background behind the Flutter UI. -->
             <meta-data
-              android:name="io.flutter.embedding.android.NormalTheme"
-              android:resource="@style/NormalTheme"
-              />
+                android:name="io.flutter.embedding.android.NormalTheme"
+                android:resource="@style/NormalTheme"
+                />
             <!-- Displays an Android View that continues showing the launch screen
                  Drawable until Flutter paints its first frame, then this splash
                  screen fades out. A splash screen is useful to avoid any visual
                  gap between the end of Android's launch screen and the painting of
                  Flutter's first frame. -->
             <meta-data
-              android:name="io.flutter.embedding.android.SplashScreenDrawable"
-              android:resource="@drawable/launch_background"
-              />
+                android:name="io.flutter.embedding.android.SplashScreenDrawable"
+                android:resource="@drawable/launch_background"
+                />
             <intent-filter>
                 <action android:name="android.intent.action.MAIN"/>
                 <category android:name="android.intent.category.LAUNCHER"/>
@@ -38,22 +38,15 @@
             android:name="flutterEmbedding"
             android:value="2" />
     </application>
+    <uses-permission android:name="android.permission.INTERNET"/>
+    <uses-permission android:name="android.permission.REQUEST_INSTALL_PACKAGES" />
+    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
     <queries>
         <!-- If your app opens https URLs -->
         <intent>
             <action android:name="android.intent.action.VIEW" />
             <data android:scheme="https" />
         </intent>
-        <!-- If your app makes calls -->
-        <intent>
-            <action android:name="android.intent.action.DIAL" />
-            <data android:scheme="tel" />
-        </intent>
-        <!-- If your app emails -->
-        <intent>
-            <action android:name="android.intent.action.SEND" />
-            <data android:mimeType="*/*" />
-        </intent>
     </queries>
 
 </manifest>

assets/sauce.json

@@ -0,0 +1,26 @@
+{
+  "assets/audio/sanas_first_tutoring_lesson.mp3": {
+    "alias": "Sana's first tutoring lesson",
+    "name": "Oni ChiChi",
+    "season": "1",
+    "episode": "1",
+    "from": "0:03",
+    "to": "0:06"
+  },
+  "assets/audio/the_helpful_pharmacist.mp3": {
+    "alias": "The helpful pharmacist",
+    "name": "Rune's Pharmacy: Tiarajima no Okusuriya-san",
+    "season": null,
+    "episode": "2",
+    "from": "5:55",
+    "to": "5:59"
+  },
+  "assets/audio/yamete_kudasai.mp3": {
+    "alias": "Yamete Kudasai",
+    "name": "Yamete Kudasai",
+    "season": null,
+    "episode": null,
+    "from": null,
+    "to": null
+  }
+}

assets/updates.json

@@ -0,0 +1,24 @@
+{
+  "1.0.0": {
+    "summary": "Initial release",
+    "details": [
+      "Initial release"
+    ]
+  },
+  "1.1.0": {
+    "summary": "Update check & bug fixing",
+    "details": [
+      "Update check",
+      "Permanent notification changes",
+      "No sound is played anymore when starting the app"
+    ]
+  },
+  "1.2.0": {
+    "summary": "Sauce & update list",
+    "details": [
+      "Added sauce information",
+      "Added notification after updated",
+      "Renamed one audio"
+    ]
+  }
+}

lib/background.dart

@@ -38,25 +38,13 @@ void initBackground() {
   );
 
   Map<UpdateAction, String>? data;
-  int running = 0;
 
   StreamSubscription<UpdateAction?>? sub = _portUpdate.stream.listen((event) async {
     data ??= (jsonDecode(generateEventData(await SharedPreferences.getInstance())) as Map<String, dynamic>)
         .map((key, value) => MapEntry(UpdateAction.values.elementAt(int.parse(key)), value as String));
     if (data!.containsKey(event!)) {
       final player = await _player.play(data![event]!);
-      running++;
-      FlutterBackgroundService().setNotificationInfo(
-        title: 'Yamete Kudasai',
-        content: 'Dispatching ${actions.values.elementAt(event.index).toLowerCase()} event'
-      );
       await player.onPlayerCompletion.first;
-      if (--running == 0) {
-        FlutterBackgroundService().setNotificationInfo(
-          title: 'Yamete Kudasai',
-          content: 'Running'
-        );
-      }
     }
   });
 

lib/choose_audio.dart

@@ -1,16 +1,14 @@
 import 'package:audioplayers/audioplayers.dart';
+import 'package:flutter/cupertino.dart';
 import 'package:flutter/material.dart';
-
-final audio = {
-  'Airi\'s first tutoring lesson': 'assets/audio/airis_first_tutoring_lesson.mp3',
-  'The helpful pharmacist': 'assets/audio/the_helpful_pharmacist.mp3',
-  'Yamete Kudasai': 'assets/audio/yamete_kudasai.mp3'
-};
+import 'package:url_launcher/url_launcher.dart';
+import 'package:yamete_kudasai/utils.dart';
 
 class ChooseAudio extends StatefulWidget {
   String _before;
+  final Map<String, Sauce> _sauce;
 
-  ChooseAudio(this._before, {Key? key}) : super(key: key);
+  ChooseAudio(this._before, this._sauce, {Key? key}) : super(key: key);
 
   @override
   State<StatefulWidget> createState() => _ChooseAudioState();
@@ -33,36 +31,44 @@ class _ChooseAudioState extends State<ChooseAudio> {
           title: const Text('Choose audio')
         ),
         body: ListView.separated(
-          itemBuilder: (BuildContext context, int index) {
-            MapEntry<String, String> item = audio.entries.elementAt(index);
-            if (index == _playIndex) {
-              if (_playing == null) {
-                play(item.value);
-              } else {
-                _playing!.stop().then((value) => play(item.value));
+            itemBuilder: (BuildContext context, int index) {
+              MapEntry<String, Sauce> item = widget._sauce.entries.elementAt(index);
+              if (index == _playIndex) {
+                if (_playing == null) {
+                  play(item.key);
+                } else {
+                  _playing!.stop().then((value) => play(item.key));
+                }
               }
-            }
-            return ListTile(
-              leading: Radio(
-                activeColor: Theme.of(context).colorScheme.secondary,
-                value: item.value,
-                groupValue: widget._before,
-                onChanged: (String? value) {
+              return ListTile(
+                leading: Radio(
+                    activeColor: Theme.of(context).colorScheme.secondary,
+                    value: item.value.filepath,
+                    groupValue: widget._before,
+                    onChanged: (String? value) {
+                      setState(() {
+                        widget._before = value!;
+                      });
+                    }),
+                title: Text(item.value.alias),
+                trailing: IconButton(
+                    onPressed: () {
+                      showDialog(
+                          context: context,
+                          builder: (BuildContext context) => _buildSauceInfo(context, item.value)
+                      );
+                    },
+                    icon: Icon(Icons.info)
+                ),
+                onTap: () {
                   setState(() {
-                    widget._before = value!;
+                    _playIndex = index;
                   });
-                }),
-              title: Text(item.key),
-              trailing: Icon(_playIndex == index ? Icons.stop_outlined : Icons.play_arrow_outlined),
-              onTap: () {
-                setState(() {
-                  _playIndex = index;
-                });
-              },
-            );
-          },
-          separatorBuilder: (BuildContext context, int index) => const Divider(),
-          itemCount: audio.length
+                },
+              );
+            },
+            separatorBuilder: (BuildContext context, int index) => const Divider(),
+            itemCount: widget._sauce.length
         ),
       ),
     );
@@ -76,6 +82,40 @@ class _ChooseAudioState extends State<ChooseAudio> {
     super.dispose();
   }
 
+  Widget _buildSauceInfo(BuildContext context, Sauce sauce) {
+    return AlertDialog(
+      backgroundColor: Colors.black,
+      title: Text('${sauce.alias} sauce'),
+      content: Column(
+        mainAxisSize: MainAxisSize.min,
+        crossAxisAlignment: CrossAxisAlignment.start,
+        children: [
+          Text('Name: ${sauce.name}'),
+          Text('Season: ${sauce.season ?? "?"}'),
+          Text('Episode: ${sauce.episode ?? "?"}'),
+          Text('Audio time: ${sauce.from ?? "?"} - ${sauce.to ?? "?"}'),
+        ],
+      ),
+      actions: [
+        TextButton(
+          onPressed: () async {
+            final search = 'https://hentaihaven.com/?s=${sauce.name.replaceAll(" ", "+")}';
+            if (await canLaunch(search)) {
+              await launch(search);
+            }
+          },
+          child: const Text('Search online')
+        ),
+        TextButton(
+          onPressed: () {
+            Navigator.of(context).pop();
+          },
+          child: const Text('Ok')
+        )
+      ],
+    );
+  }
+
   void play(String path) async {
     _playing = await _player.play(path);
     _playing!.onPlayerCompletion.listen((event) {

lib/main.dart

@@ -1,21 +1,40 @@
 import 'dart:async';
 import 'dart:convert';
+import 'dart:io';
 
+import 'package:flutter/cupertino.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
 import 'package:flutter_background_service/flutter_background_service.dart';
+import 'package:future_progress_dialog/future_progress_dialog.dart';
 import 'package:http/http.dart' as http;
+import 'package:open_file/open_file.dart';
 import 'package:package_info_plus/package_info_plus.dart';
+import 'package:permission_handler/permission_handler.dart';
 import 'package:shared_preferences/shared_preferences.dart';
 import 'package:url_launcher/url_launcher.dart';
 import 'package:yamete_kudasai/background.dart';
+import 'package:yamete_kudasai/utils.dart';
 
 import 'choose_audio.dart';
 
 void main() {
   WidgetsFlutterBinding.ensureInitialized();
   SystemChrome.setPreferredOrientations([DeviceOrientation.portraitUp, DeviceOrientation.portraitDown]);
-  runApp(YameteKudasai());
+  runApp(MaterialApp(
+    title: "Yamete Kudasai",
+    theme: ThemeData.from(
+      colorScheme: const ColorScheme.highContrastDark(
+        primary: Color(0xFFFF0000),
+        primaryVariant: Color(0xFFC20000),
+        secondary: Colors.purple,
+        surface: Colors.black,
+        background: Colors.black12,
+        onPrimary: Colors.white,
+      ),
+    ),
+    home: YameteKudasai(),
+  ));
 }
 
 class YameteKudasai extends StatefulWidget {
@@ -26,103 +45,107 @@ class YameteKudasai extends StatefulWidget {
 class _YameteKudasaiState extends State<YameteKudasai> {
   @override
   Widget build(BuildContext context) {
-    http.get(Uri.https('api.github.com', 'repos/ByteDream/yamete_kudasai/releases/latest'))
-        .timeout(const Duration(seconds: 5), onTimeout: () => http.Response.bytes([], 504)).then((response) async {
-      if (response.statusCode == 200) {
-        final packageInfo = await PackageInfo.fromPlatform();
-        final tag = (jsonDecode(response.body) as Map<String, dynamic>)['tag_name'] as String;
-        if (int.parse(tag.substring(1).replaceAll('.', '')) > int.parse(packageInfo.version.replaceAll('.', ''))) {
-          showDialog(
-            context: context,
-            builder: (BuildContext context) => _buildUpdateNotification(context, tag)
-          );
-        }
+    FlutterBackgroundService.initialize(initBackground, foreground: false);
+    checkUpdate(context).then((value) => {
+      if (!value) {
+        checkFirstLaunch(context)
       }
     });
-    FlutterBackgroundService.initialize(initBackground, foreground: false);
 
-    return MaterialApp(
-      title: "Yamete Kudasai",
-      theme: ThemeData.from(
-        colorScheme: const ColorScheme.highContrastDark(
-          primary: Color(0xFFFF0000),
-          primaryVariant: Color(0xFFC20000),
-          secondary: Colors.purple,
-          surface: Colors.black,
-          background: Colors.black26,
-          onPrimary: Colors.white,
-        ),
+    return Scaffold(
+      appBar: AppBar(
+        title: const Text('Yamete Kudasai'),
       ),
-      home: Scaffold(
-        appBar: AppBar(
-          title: const Text('Yamete Kudasai'),
-        ),
-        body: Center(
-          child: Column(
-            children: [
-              Padding(
-                padding: const EdgeInsets.symmetric(vertical: 20),
-                child: Row(
-                  mainAxisAlignment: MainAxisAlignment.spaceEvenly,
-                  children: [
-                    ElevatedButton(
-                      child: Row(
-                        children: const [
-                          Text("Start"),
-                          Icon(Icons.play_arrow_outlined)
-                        ],
-                      ),
-                      onPressed: () async {
-                        WidgetsFlutterBinding.ensureInitialized();
-                        FlutterBackgroundService().sendData({'action': 'stop'});
-                        while (await isRunning()) {}
-                        FlutterBackgroundService.initialize(initBackground);
-                      },
+      body: Center(
+        child: Column(
+          children: [
+            Padding(
+              padding: const EdgeInsets.symmetric(vertical: 20),
+              child: Row(
+                mainAxisAlignment: MainAxisAlignment.spaceEvenly,
+                children: [
+                  ElevatedButton(
+                    child: Row(
+                      children: const [
+                        Text("Start"),
+                        Icon(Icons.play_arrow_outlined)
+                      ],
                     ),
-                    ElevatedButton(
-                      child: Row(
-                        children: const [
-                          Text("Stop"),
-                          Icon(Icons.stop_outlined)
-                        ],
-                      ),
-                      onPressed: () {
-                        FlutterBackgroundService().sendData({'action': 'stop'});
-                      },
-                    )
-                  ],
-                ),
+                    onPressed: () async {
+                      WidgetsFlutterBinding.ensureInitialized();
+                      FlutterBackgroundService().sendData({'action': 'stop'});
+                      while (await isRunning()) {}
+                      FlutterBackgroundService.initialize(initBackground);
+                    },
+                  ),
+                  ElevatedButton(
+                    child: Row(
+                      children: const [
+                        Text("Stop"),
+                        Icon(Icons.stop_outlined)
+                      ],
+                    ),
+                    onPressed: () {
+                      FlutterBackgroundService().sendData({'action': 'stop'});
+                    },
+                  )
+                ],
               ),
-              const Divider(color: Colors.white),
-              _buildAudioSettings()
-            ],
-          ),
+            ),
+            const Divider(color: Colors.white),
+            FutureBuilder(
+              future: Sauce.sauceIndex(),
+              builder: (BuildContext context, AsyncSnapshot<Map<String, Sauce>> snapshot) {
+                if (!snapshot.hasData) {
+                  return SizedBox.shrink();
+                }
+                return _buildAudioSettings(snapshot.data!);
+              }
+            )
+          ],
         ),
       ),
     );
   }
 
-  Widget _buildUpdateNotification(BuildContext context, String tag) {
+  Widget _buildUpdateNotification(BuildContext context, String tag, String apkUrl) {
     return AlertDialog(
+      backgroundColor: Colors.black,
       title: Text('Newer version is available ($tag)'),
       actions: [
         TextButton(
-          onPressed: () async {
-            if (await canLaunch('https://github.com/ByteDream/yamete_kudasai/releases/tag/$tag')) {
-              await launch('https://github.com/ByteDream/yamete_kudasai/releases/tag/$tag');
-            }
-          },
-          child: const Text('Show new release')
+            onPressed: () async {
+              await updateAPK(context, apkUrl);
+              await showDialog(
+                  context: context,
+                  builder: (BuildContext context) => FutureProgressDialog(
+                    updateAPK(context, apkUrl),
+                    decoration: const BoxDecoration(
+                        color: Colors.transparent
+                    ),
+                    message: const Text('Downloading update...'),
+                  )
+              );
+            },
+            child: const Text('Update')
         ),
         TextButton(
-          onPressed: () => Navigator.of(context).pop(),
-          child: const Text('No thanks :)')
+            onPressed: () async {
+              if (await canLaunch('https://github.com/ByteDream/Yamete-Kudasai/releases/tag/$tag')) {
+                await launch('https://github.com/ByteDream/Yamete-Kudasai/releases/tag/$tag');
+              }
+            },
+            child: const Text('Show new release')
+        ),
+        TextButton(
+            onPressed: () => Navigator.of(context).pop(),
+            child: const Text('No thanks :)')
         )
       ],
     );
   }
 
-  Widget _buildAudioSettings() {
+  Widget _buildAudioSettings(Map<String, Sauce> sauceIndex) {
     return FutureBuilder(
         future: SharedPreferences.getInstance(),
         builder: (BuildContext context, AsyncSnapshot<SharedPreferences> snapshot) {
@@ -134,56 +157,170 @@ class _YameteKudasaiState extends State<YameteKudasai> {
           final entries = actions.entries;
 
           return ListView.builder(
-            shrinkWrap: true,
-            itemCount: actions.length,
-            itemBuilder: (BuildContext context, int index) {
-              final item = entries.elementAt(index);
+              shrinkWrap: true,
+              itemCount: actions.length,
+              itemBuilder: (BuildContext context, int index) {
+                final item = entries.elementAt(index);
 
-              final activatedKey = "${item.key.index}.activated";
-              final targetKey = "${item.key.index}.target";
+                final activatedKey = "${item.key.index}.activated";
+                final targetKey = "${item.key.index}.target";
 
-              final activatedAudio = prefs.getBool(activatedKey) ?? true;
-              final targetAudio = prefs.getString(targetKey) ?? "assets/audio/yamete_kudasai.mp3";
+                final activatedAudio = prefs.getBool(activatedKey) ?? true;
+                final targetAudio = prefs.getString(targetKey) ?? "assets/audio/yamete_kudasai.mp3";
 
-              return ListTile(
-                title: Text(item.value),
-                subtitle: Text(audio.entries.firstWhere((element) => element.value == targetAudio).key),
-                trailing: Switch(
-                  activeColor: Theme.of(context).colorScheme.secondary,
-                  value: prefs.getBool(activatedKey) ?? true,
-                  onChanged: (bool newValue) async {
-                    SharedPreferences prefs = await SharedPreferences.getInstance();
-                    prefs.setBool(activatedKey, !activatedAudio);
-                    FlutterBackgroundService().sendData({'action': 'data', 'value': generateEventData(prefs)});
-                    setState(() {});
-                  }),
-                onTap: () async {
-                  final audioFile = await Navigator.push<String>(
-                    context,
-                    MaterialPageRoute(
-                        builder: (BuildContext context) => ChooseAudio(targetAudio)
-                    )
-                  );
-                  if (audioFile != null && audioFile != targetAudio) {
-                    SharedPreferences prefs = await SharedPreferences.getInstance();
-                    prefs.setString(targetKey, audioFile);
-                    FlutterBackgroundService().sendData({'action': 'data', 'value': generateEventData(prefs)});
-                    setState(() {});
-                  }
-                },
-              );
-            }
+                return ListTile(
+                  title: Text(item.value),
+                  subtitle: Text(sauceIndex.entries.firstWhere((element) => element.key == targetAudio).value.alias),
+                  trailing: Switch(
+                      activeColor: Theme.of(context).colorScheme.secondary,
+                      value: prefs.getBool(activatedKey) ?? true,
+                      onChanged: (bool newValue) async {
+                        SharedPreferences prefs = await SharedPreferences.getInstance();
+                        prefs.setBool(activatedKey, !activatedAudio);
+                        FlutterBackgroundService().sendData({'action': 'data', 'value': generateEventData(prefs)});
+                        setState(() {});
+                      }),
+                  onTap: () async {
+                    final sauce = await Sauce.sauceIndex();
+                    final audioFile = await Navigator.push<String>(
+                        context,
+                        MaterialPageRoute(
+                            builder: (BuildContext context) => ChooseAudio(targetAudio, sauce)
+                        )
+                    );
+                    if (audioFile != null && audioFile != targetAudio) {
+                      SharedPreferences prefs = await SharedPreferences.getInstance();
+                      prefs.setString(targetKey, audioFile);
+                      FlutterBackgroundService().sendData({'action': 'data', 'value': generateEventData(prefs)});
+                      setState(() {});
+                    }
+                  },
+                );
+              }
           );
         }
     );
   }
 
+  Future<bool> checkUpdate(BuildContext context) async {
+    final response = await http.get(Uri.https('api.github.com', 'repos/ByteDream/Yamete-Kudasai/releases/latest'))
+        .timeout(const Duration(seconds: 5), onTimeout: () => http.Response.bytes([], 504));
+    if (response.statusCode == 200) {
+      final packageInfo = await PackageInfo.fromPlatform();
+      final json =  (jsonDecode(response.body) as Map<String, dynamic>);
+      final tag = json['tag_name'] as String;
+      final apkUrl = json['assets'][0]['browser_download_url'] as String;
+      if (int.parse(tag.substring(1).replaceAll('.', '')) > int.parse(packageInfo.version.replaceAll('.', ''))) {
+        await showDialog(
+            context: context,
+            builder: (BuildContext context) => _buildUpdateNotification(context, tag, apkUrl)
+        );
+        return true;
+      }
+    }
+    return false;
+  }
+
+  Future<void> updateAPK(BuildContext context, String apkUrl) async {
+    ResultType result;
+    if ((await Permission.storage.request()).isGranted) {
+      final file = File('/storage/emulated/0/Download/${apkUrl.split('/').last}');
+      final completer = Completer<void>();
+      showDialog(
+          context: context,
+          builder: (BuildContext context) {
+            return FutureProgressDialog(
+              completer.future,
+              decoration: const BoxDecoration(
+                  color: Colors.transparent
+              ),
+              message: const Text('Downloading update...'),
+            );
+          }
+      );
+      if (!(await file.exists())) {
+        final resp = await http.get(Uri.parse(apkUrl));
+        await file.writeAsBytes(resp.bodyBytes);
+      }
+      result = (await OpenFile.open(file.path)).type;
+      completer.complete();
+    } else {
+      result = ResultType.error;
+    }
+    if (result != ResultType.done) {
+      showDialog(
+          context: context,
+          builder: (BuildContext context) {
+            return AlertDialog(
+              backgroundColor: Colors.black,
+              title: const Text('Failed to install update'),
+              actions: [
+                TextButton(
+                  onPressed: () => Navigator.of(context).pop(),
+                  child: const Text('Ok'),
+                )
+              ],
+            );
+          }
+      );
+    }
+    Navigator.pop(context);
+    // await file.delete();
+  }
+
+  Future<void> checkFirstLaunch(BuildContext context) async {
+    final prefs = await SharedPreferences.getInstance();
+    final packageInfo = await PackageInfo.fromPlatform();
+
+    final lastVersion = prefs.getString("version");
+    final currentVersion = packageInfo.version;
+
+    if ((lastVersion ?? "") != currentVersion) {
+      final updateIndex = await Update.updatesIndex();
+      await showDialog(
+          context: context,
+          builder: (BuildContext context) => _buildUpdateNotice(context, updateIndex[currentVersion]!)
+      );
+      await prefs.setString("version", currentVersion);
+    }
+  }
+
+  Widget _buildUpdateNotice(BuildContext context, Update update) {
+    return AlertDialog(
+      backgroundColor: Colors.black,
+      title: Text('Updated to ${update.version}'),
+      actions: [
+        TextButton(
+          onPressed: () async {
+            final url = 'https://github.com/ByteDream/Yamete-Kudasai/releases/tag/v${update.version}';
+            if (await canLaunch(url)) {
+              await launch(url);
+            }
+          },
+          child: const Text('See more...')
+        ),
+        TextButton(
+          onPressed: () => Navigator.of(context).pop(),
+          child: const Text('Ok'),
+        )
+      ],
+      content: Column(
+        mainAxisSize: MainAxisSize.min,
+        crossAxisAlignment: CrossAxisAlignment.start,
+        children: [
+          Text(update.summary),
+          Text('  » ${update.details.join("\n  » ")}')
+        ],
+      )
+    );
+  }
+
   Future<bool> isRunning() async {
     try {
       FlutterBackgroundService().sendData({'action': 'ping'});
       await FlutterBackgroundService().onDataReceived.first.timeout(const Duration(milliseconds: 500));
       return true;
-    } on Exception catch (e) {
+    } on Exception {
       return false;
     }
   }

lib/utils.dart

@@ -0,0 +1,71 @@
+import 'dart:convert';
+
+import 'package:flutter/services.dart';
+
+class Sauce {
+  final String filepath;
+  final String alias;
+  final String name;
+  final String? season;
+  final String? episode;
+  final String? from;
+  final String? to;
+
+  const Sauce(this.filepath,
+      this.alias,
+      this.name,
+      this.season,
+      this.episode,
+      this.from,
+      this.to);
+
+  static Future<Map<String, Sauce>> sauceIndex() async {
+    final sauceJson = await rootBundle.loadString('assets/sauce.json');
+    Map<String, dynamic> sauce = jsonDecode(sauceJson);
+
+    Map<String, Sauce> sauceIndex = new Map();
+
+    for (MapEntry<String, dynamic> entry in sauce.entries) {
+      final value = entry.value as Map<String, dynamic>;
+      sauceIndex[entry.key] = Sauce(
+        entry.key,
+        value['alias'],
+        value['name'],
+        value['season'],
+        value['episode'],
+        value['from'],
+        value['to']
+      );
+    }
+
+    return sauceIndex;
+  }
+}
+
+class Update {
+  final String version;
+  final String summary;
+  final List<String> details;
+
+  const Update(this.version,
+      this.summary,
+      this.details);
+
+  static Future<Map<String, Update>> updatesIndex() async {
+    final updatesJson = await rootBundle.loadString('assets/updates.json');
+    Map<String, dynamic> updates = jsonDecode(updatesJson);
+
+    Map<String, Update> updatesIndex = new Map();
+
+    for (MapEntry<String, dynamic> entry in updates.entries) {
+      final value = entry.value as Map<String, dynamic>;
+      updatesIndex[entry.key] = Update(
+        entry.key,
+        value['summary'],
+        (value['details'] as List).cast<String>()
+      );
+    }
+
+    return updatesIndex;
+  }
+}

plugin/port_update/android/src/main/java/org/bytedream/port_update/PortUpdatePlugin.java

@@ -45,11 +45,11 @@ public class PortUpdatePlugin implements FlutterPlugin, StreamHandler {
     batteryReceiver = createBatteryReceiver(eventSink);
     headphoneReceiver = createHeadphoneReceiver(eventSink);
 
-    context.registerReceiver(batteryReceiver, new IntentFilter(Intent.ACTION_BATTERY_CHANGED));
-    context.registerReceiver(headphoneReceiver, new IntentFilter(Intent.ACTION_HEADSET_PLUG));
+    Intent batteryIntent = context.registerReceiver(batteryReceiver, new IntentFilter(Intent.ACTION_BATTERY_CHANGED));
+    Intent headphoneIntent = context.registerReceiver(headphoneReceiver, new IntentFilter(Intent.ACTION_HEADSET_PLUG));
 
-    // lastBatteryStatus = getBatteryStatus(intent);
-    // lastHeadphoneStatus = getHeadphoneStatus(intent);
+    if (batteryIntent != null) lastBatteryStatus = getBatteryStatus(batteryIntent);
+    if (headphoneIntent != null) lastHeadphoneStatus = getHeadphoneStatus(headphoneIntent);
   }
 
   @Override

pubspec.yaml

@@ -15,7 +15,7 @@ publish_to: 'none' # Remove this line if you wish to publish to pub.dev
 # In iOS, build-name is used as CFBundleShortVersionString while build-number used as CFBundleVersion.
 # Read more about iOS versioning at
 # https://developer.apple.com/library/archive/documentation/General/Reference/InfoPlistKeyReference/Articles/CoreFoundationKeys.html
-version: 1.0.0
+version: 1.2.0
 
 environment:
   sdk: ">=2.12.0 <3.0.0"
@@ -36,8 +36,12 @@ dependencies:
   audioplayers: ^0.20.1
   cupertino_icons: ^1.0.2
   flutter_background_service: ^0.1.5
+  future_progress_dialog: ^0.2.0
   http: ^0.13.4
+  open_file: ^3.2.1
   package_info_plus: ^1.3.0
+  path_provider: ^2.0.7
+  permission_handler: ^8.3.0
   shared_preferences: ^2.0.8
   url_launcher: ^6.0.13
 
@@ -69,6 +73,8 @@ flutter:
   # To add assets to your application, add an assets section, like this:
   assets:
     - assets/audio/
+    - assets/sauce.json
+    - assets/updates.json
 
   # An image asset can refer to one or more resolution-specific "variants", see
   # https://flutter.dev/assets-and-images/#resolution-aware.