Change the "SystemChannels.lifecycle" to "AppLifecycleListener"

as it'd cause side impacts on whole app.

Author: GabrielRozendo

lib/aptabase_flutter.dart

@@ -8,14 +8,13 @@ import "dart:developer" as developer;
 
 import "package:aptabase_flutter/sys_info.dart";
 import "package:flutter/foundation.dart";
+import "package:flutter/widgets.dart";
 import "package:universal_io/io.dart";
 
 import "package:aptabase_flutter/init_options.dart";
 import "package:aptabase_flutter/random_string.dart";
 import "package:aptabase_flutter/storage_manager.dart";
 import "package:aptabase_flutter/storage_manager_hive.dart";
-import "package:flutter/scheduler.dart";
-import "package:flutter/services.dart";
 
 export "package:aptabase_flutter/init_options.dart";
 
@@ -48,9 +47,8 @@ class Aptabase {
   static Timer? _timer;
   static var _isTimerRunning = false;
   static late final StorageManager _storage;
+  static AppLifecycleListener? _listener;
 
-  static final _inactiveState = AppLifecycleState.inactive.toString();
-  static final _pausedState = AppLifecycleState.paused.toString();
   static final instance = Aptabase._();
 
   /// Initializes the Aptabase SDK with the given appKey.
@@ -94,7 +92,10 @@ class Aptabase {
     await _storage.init();
     _logDebug("Storage initialized");
 
-    SystemChannels.lifecycle.setMessageHandler(_handleLifeCycle);
+    _listener = AppLifecycleListener(
+      onInactive: () => _tick("lifecycle onInactive"),
+      onResume: _startTimer,
+    );
 
     await _tick("init");
     _startTimer();
@@ -106,6 +107,9 @@ class Aptabase {
     _timer?.cancel();
     _timer = null;
     _isTimerRunning = false;
+
+    _listener?.dispose();
+    _listener = null;
   }
 
   static void _startTimer() {
@@ -115,17 +119,6 @@ class Aptabase {
     );
   }
 
-  static Future<String?> _handleLifeCycle(String? msg) async {
-    if (msg == _inactiveState || msg == _pausedState) {
-      await _tick("lifecycle $msg");
-      _dispose();
-    } else {
-      _startTimer();
-    }
-
-    return msg;
-  }
-
   static Future<void> _tick(String reason) async {
     _logDebug("Checking events ($reason)");