fix: Fix foreground/background communication

android/src/main/kotlin/org/moxxy/moxxy_native/Constants.kt

@@ -49,4 +49,5 @@ const val SERVICE_MANUALLY_STOPPED_KEY = "manually_stopped"
 const val SERVICE_WAKELOCK_DURATION = 10 * 60 * 1000L
 const val SERVICE_DEFAULT_TITLE = "Moxxy"
 const val SERVICE_DEFAULT_BODY = "Preparing..."
+const val SERVICE_FOREGROUND_METHOD_CHANNEL_KEY = "org.moxxy.moxxy_native/foreground"
 const val SERVICE_BACKGROUND_METHOD_CHANNEL_KEY = "org.moxxy.moxxy_native/background"

android/src/main/kotlin/org/moxxy/moxxy_native/MoxxyNativePlugin.kt

@@ -1,18 +1,22 @@
 package org.moxxy.moxxy_native
 
 import android.app.Activity
+import android.content.BroadcastReceiver
 import android.content.Context
 import android.content.Intent
+import android.content.IntentFilter
 import android.util.Log
 import androidx.activity.result.PickVisualMediaRequest
 import androidx.activity.result.contract.ActivityResultContracts
 import androidx.annotation.NonNull
-import io.flutter.embedding.engine.plugins.FlutterPlugin
+import androidx.localbroadcastmanager.content.LocalBroadcastManager
 import io.flutter.embedding.engine.plugins.activity.ActivityAware
 import io.flutter.embedding.engine.plugins.activity.ActivityPluginBinding
+import io.flutter.embedding.engine.plugins.FlutterPlugin
 import io.flutter.embedding.engine.plugins.service.ServiceAware
 import io.flutter.embedding.engine.plugins.service.ServicePluginBinding
 import io.flutter.plugin.common.EventChannel
+import io.flutter.plugin.common.MethodChannel
 import org.moxxy.moxxy_native.contacts.ContactsImplementation
 import org.moxxy.moxxy_native.contacts.MoxxyContactsApi
 import org.moxxy.moxxy_native.cryptography.CryptographyImplementation
@@ -56,7 +60,7 @@ object NotificationCache {
     var lastEvent: NotificationEvent? = null
 }
 
-class MoxxyNativePlugin : FlutterPlugin, ActivityAware, ServiceAware, MoxxyPickerApi {
+class MoxxyNativePlugin : FlutterPlugin, ActivityAware, ServiceAware, BroadcastReceiver(), MoxxyPickerApi {
     private var context: Context? = null
     private var activity: Activity? = null
     private lateinit var pickerListener: PickerResultListener
@@ -69,6 +73,8 @@ class MoxxyNativePlugin : FlutterPlugin, ActivityAware, ServiceAware, MoxxyPicke
 
     var service: BackgroundService? = null
 
+    var channel: MethodChannel? = null
+
     init {
         PluginTracker.instances.add(this)
     }
@@ -89,12 +95,23 @@ class MoxxyNativePlugin : FlutterPlugin, ActivityAware, ServiceAware, MoxxyPicke
         MoxxyMediaApi.setUp(flutterPluginBinding.binaryMessenger, mediaImplementation)
         MoxxyServiceApi.setUp(flutterPluginBinding.binaryMessenger, serviceImplementation)
 
+        // Special handling for the service APIs
+        channel = MethodChannel(flutterPluginBinding.getBinaryMessenger(), SERVICE_FOREGROUND_METHOD_CHANNEL_KEY)
+        LocalBroadcastManager.getInstance(context!!).registerReceiver(
+            this,
+            IntentFilter(SERVICE_FOREGROUND_METHOD_CHANNEL_KEY)
+        )
+
         // Register the picker handler
         pickerListener = PickerResultListener(context!!)
         Log.d(TAG, "Attached to engine")
     }
 
     override fun onDetachedFromEngine(@NonNull binding: FlutterPlugin.FlutterPluginBinding) {
+        LocalBroadcastManager.getInstance(context!!).registerReceiver(
+            this,
+             IntentFilter(SERVICE_FOREGROUND_METHOD_CHANNEL_KEY),
+        )
         Log.d(TAG, "Detached from engine")
     }
 
@@ -184,4 +201,12 @@ class MoxxyNativePlugin : FlutterPlugin, ActivityAware, ServiceAware, MoxxyPicke
         val pickIntent = contract.createIntent(context!!, PickVisualMediaRequest(pickType))
         activity?.startActivityForResult(pickIntent, PICK_FILE_WITH_DATA_REQUEST)
     }
+
+    override fun onReceive(context: Context, intent: Intent) {
+        Log.d(TAG, "Received intent with ${intent.action}")
+        if (intent.action?.equals(SERVICE_FOREGROUND_METHOD_CHANNEL_KEY) == true) {
+            val data = intent.getStringExtra("data")
+            channel?.invokeMethod("dataReceived", data)
+        }
+    }
 }

android/src/main/kotlin/org/moxxy/moxxy_native/service/BackgroundService.kt

@@ -24,6 +24,7 @@ import org.moxxy.moxxy_native.SERVICE_DEFAULT_BODY
 import org.moxxy.moxxy_native.SERVICE_DEFAULT_TITLE
 import org.moxxy.moxxy_native.SERVICE_ENTRYPOINT_KEY
 import org.moxxy.moxxy_native.SERVICE_EXTRA_DATA_KEY
+import org.moxxy.moxxy_native.SERVICE_FOREGROUND_METHOD_CHANNEL_KEY
 import org.moxxy.moxxy_native.SERVICE_MANUALLY_STOPPED_KEY
 import org.moxxy.moxxy_native.SERVICE_SHARED_PREFERENCES_KEY
 import org.moxxy.moxxy_native.SERVICE_START_AT_BOOT_KEY
@@ -256,7 +257,7 @@ class BackgroundService : Service(), MoxxyBackgroundServiceApi {
 
     override fun sendData(data: String) {
         LocalBroadcastManager.getInstance(applicationContext).sendBroadcast(
-            Intent(SERVICE_BACKGROUND_METHOD_CHANNEL_KEY).apply {
+            Intent(SERVICE_FOREGROUND_METHOD_CHANNEL_KEY).apply {
                 putExtra("data", data)
             },
         )

example/lib/main.dart

@@ -2,6 +2,7 @@ import 'dart:io';
 import 'dart:typed_data';
 import 'dart:ui';
 import 'package:flutter/material.dart';
+import 'package:flutter/services.dart';
 import 'package:moxxy_native/moxxy_native.dart';
 import 'package:permission_handler/permission_handler.dart';
 
@@ -10,8 +11,19 @@ Future<void> entrypoint() async {
   WidgetsFlutterBinding.ensureInitialized();
 
   print('CALLED FROM NEW FLUTTERENGINE');
-  final extra = await MoxxyBackgroundServiceApi().getExtraData();
+  final api = MoxxyBackgroundServiceApi();
+  final extra = await api.getExtraData();
   print('EXTRA DATA: $extra');
+
+  MethodChannel('org.moxxy.moxxy_native/background').setMethodCallHandler((call) async {
+    print('[BG] Received ${call.method} with ${call.arguments}');
+  });
+
+  print('Waiting...');
+  await Future<void>.delayed(const Duration(seconds: 5));
+
+  await api.sendData('Hello from the foreground service');
+  print('Data sent');
 }
 
 void main() {
@@ -130,6 +142,10 @@ class MyAppState extends State<MyApp> {
                       .toRawHandle();
                   final api = MoxxyServiceApi();
                   await api.configure(handle, 'lol');
+                  MethodChannel("org.moxxy.moxxy_native/foreground").setMethodCallHandler((call) async {
+                    print('[FG] Received ${call.method} with ${call.arguments}');
+                    await api.sendData('Hello from the foreground');
+                  });
                   await api.start();
                 },
                 child: const Text('Start foreground service')),