Illusion/lyrics-grabbr
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feat: integrate the notification listener into the project

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Illusion
2022-02-24 21:56:38 +02:00
parent a56a88efe4
commit add74ea848
8 changed files with 306 additions and 74 deletions
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android/app/src/main/AndroidManifest.xml
+1 -1
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@@ -27,7 +27,7 @@
</activity>
<service
android:label="Lyrics Grabbr Notifications Listener"
android:name="com.emilecode.android_notification_listener2.NotificationListener"
android:name=".NotificationListener"
android:permission="android.permission.BIND_NOTIFICATION_LISTENER_SERVICE"
android:exported="false">
<intent-filter>
android/app/src/main/kotlin/com/illusionware/lyricsgrabbr/lyricsgrabbr/MainActivity.kt
+49
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@@ -1,6 +1,55 @@
package com.illusionware.lyricsgrabbr.lyricsgrabbr
import android.content.Intent
import android.text.TextUtils
import androidx.core.app.NotificationManagerCompat
import io.flutter.embedding.android.FlutterActivity
import io.flutter.embedding.engine.FlutterEngine
import io.flutter.plugin.common.EventChannel
import io.flutter.plugin.common.MethodChannel
class MainActivity: FlutterActivity() {
companion object {
private const val ACTION_NOTIFICATION_LISTENER_SETTINGS = "android.settings.ACTION_NOTIFICATION_LISTENER_SETTINGS"
private const val EVENT_CHANNEL_NAME = "notifications.eventChannel"
private const val METHOD_CHANNEL_NAME = "notifications/method"
}
override fun configureFlutterEngine(flutterEngine: FlutterEngine) {
super.configureFlutterEngine(flutterEngine)
val methodChannel = MethodChannel(flutterEngine.dartExecutor.binaryMessenger, METHOD_CHANNEL_NAME)
methodChannel.setMethodCallHandler { call, result ->
when (call.method) {
"plugin.hasPermission" -> {
result.success(isPermissionGranted())
}
"plugin.openPermissionSettings" -> {
result.success(openPermissionSettings())
}
else -> result.notImplemented()
}
}
val eventChannel = EventChannel(flutterEngine.dartExecutor.binaryMessenger, EVENT_CHANNEL_NAME)
val streamHandler = NotificationStreamHandler(context)
eventChannel.setStreamHandler(streamHandler)
}
private fun isPermissionGranted(): Boolean {
val packageName = context.packageName
val pkgs = NotificationManagerCompat.getEnabledListenerPackages(context)
for (name in pkgs) {
if (TextUtils.equals(packageName, name)) {
return true
}
}
return false
}
private fun openPermissionSettings(): Boolean {
context.startActivity(Intent(ACTION_NOTIFICATION_LISTENER_SETTINGS).addFlags(Intent.FLAG_ACTIVITY_NEW_TASK))
return true
}
}
android/app/src/main/kotlin/com/illusionware/lyricsgrabbr/lyricsgrabbr/NotificationListener.kt
+78
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@@ -0,0 +1,78 @@
package com.illusionware.lyricsgrabbr.lyricsgrabbr
import android.app.Notification
import android.content.Intent
import android.service.notification.NotificationListenerService
import android.service.notification.StatusBarNotification
import org.json.JSONException
import org.json.JSONObject
import android.os.Bundle
/**
* Notification listening service. Intercepts notifications if permission is given to do so.
*/
class NotificationListener : NotificationListenerService() {
override fun onStartCommand(intent: Intent?, flags: Int, startId: Int): Int {
getCurrentNotifications()
return super.onStartCommand(intent, flags, startId)
}
override fun onListenerConnected() {
getCurrentNotifications()
}
override fun onNotificationPosted(sbn: StatusBarNotification) {
sendNotificationBroadcast(sbn)
}
private fun getCurrentNotifications() {
val sbns = activeNotifications
for (sbn in sbns) {
// TODO: remove this check and figure out a way to send a fucking list instead
if (sbn.packageName == "com.spotify.music") {
sendNotificationBroadcast(sbn)
}
}
}
private fun sendNotificationBroadcast(sbn: StatusBarNotification) {
// TODO: get specific media player notification data
// such as onPlay and onNextSong or whatever tf
// Retrieve package name to set as title.
val packageName = sbn.packageName
// Retrieve extra object from notification to extract payload.
val extras = sbn.notification.extras
val packageMessage = extras?.getCharSequence(Notification.EXTRA_TEXT).toString()
val packageText = extras?.getCharSequence("android.title").toString()
val packageExtra = convertBundleToJsonString(sbn.notification.extras)
// Pass data from one activity to another.
val intent = Intent(NOTIFICATION_INTENT)
intent.putExtra(NOTIFICATION_PACKAGE_NAME, packageName)
intent.putExtra(NOTIFICATION_PACKAGE_MESSAGE, packageMessage)
intent.putExtra(NOTIFICATION_PACKAGE_TEXT, packageText)
intent.putExtra(NOTIFICATION_PACKAGE_EXTRA, packageExtra)
sendBroadcast(intent)
}
companion object {
const val NOTIFICATION_INTENT = "notification_event"
const val NOTIFICATION_PACKAGE_NAME = "package_name"
const val NOTIFICATION_PACKAGE_MESSAGE = "package_message"
const val NOTIFICATION_PACKAGE_TEXT = "package_text"
const val NOTIFICATION_PACKAGE_EXTRA = "package_extra"
}
private fun convertBundleToJsonString(extra: Bundle): String {
val json = JSONObject()
val keys = extra.keySet()
for (key in keys) {
try {
json.put(key, JSONObject.wrap(extra.get(key)))
} catch (e: JSONException) {
//Handle exception here
}
}
return json.toString()
}
}
android/app/src/main/kotlin/com/illusionware/lyricsgrabbr/lyricsgrabbr/NotificationStreamHandler.kt
+46
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@@ -0,0 +1,46 @@
package com.illusionware.lyricsgrabbr.lyricsgrabbr
import io.flutter.plugin.common.EventChannel.StreamHandler
import io.flutter.plugin.common.EventChannel.EventSink
import android.content.*
class NotificationStreamHandler(private val context: Context) : StreamHandler {
private var eventSink: EventSink? = null
private var receiver: NotificationReceiver? = null
private val listenerIntent = Intent(context, NotificationListener::class.java)
// Called whenever the event channel is subscribed to in Flutter
override fun onListen(o: Any?, eventSink: EventSink?) {
this.eventSink = eventSink
receiver = NotificationReceiver()
val intentFilter = IntentFilter()
intentFilter.addAction(NotificationListener.NOTIFICATION_INTENT)
context.registerReceiver(receiver, intentFilter)
context.startService(listenerIntent)
}
// Called whenever the event channel subscription is cancelled in Flutter
override fun onCancel(o: Any?) {
eventSink = null
context.stopService(listenerIntent)
context.unregisterReceiver(receiver)
}
internal inner class NotificationReceiver : BroadcastReceiver() {
override fun onReceive(context: Context, intent: Intent) {
val packageName = intent.getStringExtra(NotificationListener.NOTIFICATION_PACKAGE_NAME)
val packageMessage = intent.getStringExtra(NotificationListener.NOTIFICATION_PACKAGE_MESSAGE)
val packageText = intent.getStringExtra(NotificationListener.NOTIFICATION_PACKAGE_TEXT)
val packageExtra = intent.getStringExtra(NotificationListener.NOTIFICATION_PACKAGE_EXTRA)
val map = HashMap<String, Any>()
map["packageName"] = packageName!!
map["packageMessage"] = packageMessage!!
map["packageText"] = packageText!!
map["packageExtra"] = packageExtra!!
eventSink?.success(map)
}
}
}
lib/main.dart
+18 -26
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@@ -1,7 +1,7 @@
import 'dart:async';
import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:android_notification_listener2/android_notification_listener2.dart';
import 'notification_listener.dart';
import 'package:flutter_local_notifications/flutter_local_notifications.dart';
final FlutterLocalNotificationsPlugin flutterLocalNotificationsPlugin =
@@ -17,13 +17,10 @@ Future<void> main() async {
// e.g: notification icon
const AndroidInitializationSettings initializationSettingsAndroid =
AndroidInitializationSettings('@mipmap/ic_launcher');
const InitializationSettings initializationSettings = InitializationSettings(
android: initializationSettingsAndroid
);
await flutterLocalNotificationsPlugin.initialize(
initializationSettings,
onSelectNotification: onNotificationClick
);
const InitializationSettings initializationSettings =
InitializationSettings(android: initializationSettingsAndroid);
await flutterLocalNotificationsPlugin.initialize(initializationSettings,
onSelectNotification: onNotificationClick);
runApp(const LyricsGrabbr());
}
@@ -61,9 +58,9 @@ class HomePage extends StatefulWidget {
class _HomePageState extends State<HomePage> with WidgetsBindingObserver {
late AndroidNotificationListener _notifications;
late StreamSubscription<NotificationEventV2> _subscription;
late StreamSubscription<NotificationEvent> _subscription;
BuildContext? permissionDialogCtx;
final List<NotificationEventV2> _notifs = [];
final List<NotificationEvent> _notifs = [];
bool running = false;
@override
@@ -111,23 +108,19 @@ class _HomePageState extends State<HomePage> with WidgetsBindingObserver {
child: AlertDialog(
title: const Text(
'Notifications Access Permission',
style: TextStyle(
fontWeight: FontWeight.bold
),
style: TextStyle(fontWeight: FontWeight.bold),
),
content: const Text(
'This app requires permission to listen to notifications to function properly. Please grant permission in the next screen.',
style: TextStyle(
color: Colors.blueGrey
),
style: TextStyle(color: Colors.blueGrey),
),
actions: [
TextButton(
onPressed: () async {
await AndroidNotificationListener.openPermissionSettings();
await AndroidNotificationListener
.openPermissionSettings();
},
child: const Text("OK")
),
child: const Text("OK")),
],
),
),
@@ -145,7 +138,7 @@ class _HomePageState extends State<HomePage> with WidgetsBindingObserver {
}
}
void onData(NotificationEventV2 event) {
void onData(NotificationEvent event) {
if (event.packageName == spotifyPackage) {
// TODO: if the app is in the background, only update our notif
// if the app is in the foreground, update the notif, and
@@ -160,7 +153,8 @@ class _HomePageState extends State<HomePage> with WidgetsBindingObserver {
}
Future<void> sendNotification(String title, String body) async {
const AndroidNotificationDetails androidNotification = AndroidNotificationDetails(
const AndroidNotificationDetails androidNotification =
AndroidNotificationDetails(
"Lyrics",
"Lyrics",
importance: Importance.low,
@@ -170,9 +164,8 @@ class _HomePageState extends State<HomePage> with WidgetsBindingObserver {
playSound: false,
);
const NotificationDetails notificationDetails = NotificationDetails(
android: androidNotification
);
const NotificationDetails notificationDetails =
NotificationDetails(android: androidNotification);
await flutterLocalNotificationsPlugin.show(
notificationId,
@@ -214,8 +207,7 @@ class _HomePageState extends State<HomePage> with WidgetsBindingObserver {
leading: Text(entry.packageText),
trailing: Text(entry.packageMessage),
);
}
),
}),
floatingActionButton: FloatingActionButton(
onPressed: running ? stopListening : startListening,
tooltip: running ? 'Stop service' : "Start service",
lib/notification_listener.dart
+76
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@@ -0,0 +1,76 @@
import 'dart:async';
import 'package:flutter/services.dart';
import 'dart:io' show Platform;
class NotificationException implements Exception {
final String _cause;
NotificationException(this._cause);
@override
String toString() {
return _cause;
}
}
class NotificationEvent {
String packageMessage;
String packageName;
String packageExtra;
String packageText;
DateTime timeStamp;
NotificationEvent({
required this.packageName,
required this.packageMessage,
required this.timeStamp,
required this.packageExtra,
required this.packageText
});
factory NotificationEvent.fromMap(Map<dynamic, dynamic> map) {
DateTime time = DateTime.now();
String name = map['packageName'];
String message = map['packageMessage'];
String text = map['packageText'];
String extra = map['packageExtra'];
return NotificationEvent(packageName: name, packageMessage: message, timeStamp: time,packageText: text , packageExtra: extra);
}
@override
String toString() {
return "Notification Event \n Package Name: $packageName \n - Timestamp: $timeStamp \n - Package Message: $packageMessage";
}
}
NotificationEvent _notificationEvent(dynamic data) {
return NotificationEvent.fromMap(data);
}
class AndroidNotificationListener {
static const EventChannel _notificationEventChannel =
EventChannel('notifications.eventChannel');
static const MethodChannel _methodChannel =
MethodChannel('notifications/method');
Stream<NotificationEvent> get notificationStream {
if (Platform.isAndroid) {
Stream<NotificationEvent> _notificationStream = _notificationEventChannel
.receiveBroadcastStream()
.map((event) => _notificationEvent(event));
return _notificationStream;
}
throw NotificationException(
'Notification API exclusively available on Android!');
}
static Future<bool?> get hasPermission async {
return await _methodChannel.invokeMethod('plugin.hasPermission');
}
static Future<bool?> openPermissionSettings() async {
return await _methodChannel.invokeMethod('plugin.openPermissionSettings');
}
}
pubspec.lock
-7
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@@ -1,13 +1,6 @@
# Generated by pub
# See https://dart.dev/tools/pub/glossary#lockfile
packages:
android_notification_listener2:
dependency: "direct main"
description:
path: "/home/illusion/Desktop/repos/AndroidNotificationListener"
relative: false
source: path
version: "2.0.0"
args:
dependency: transitive
description:
pubspec.yaml
-2
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@@ -34,8 +34,6 @@ dependencies:
# The following adds the Cupertino Icons font to your application.
# Use with the CupertinoIcons class for iOS style icons.
http: ^0.13.4
android_notification_listener2:
path: /home/illusion/Desktop/repos/AndroidNotificationListener
flutter_local_notifications: ^9.3.2
dev_dependencies: