add mindbox initialization

android/app/src/main/kotlin/com/example/on_background_message/MainActivity.kt

@@ -3,14 +3,14 @@ package com.example.on_background_message
 import android.os.Bundle
 import android.os.Handler
 import android.os.Looper
+import cloud.mindbox.mindbox_android.MindboxAndroidPlugin
 import io.flutter.embedding.android.FlutterActivity
-import com.example.test_plugin.TestPlugin
 
 class MainActivity : FlutterActivity() {
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
         Handler(Looper.getMainLooper()).postDelayed({
-            TestPlugin.sendMessage("message from Android")
+            MindboxAndroidPlugin.pushClicked("link", "payload")
         }, 3000)
     }
 }

lib/main.dart

@@ -1,5 +1,6 @@
 import 'package:firebase_messaging/firebase_messaging.dart';
 import 'package:flutter/material.dart';
+import 'package:mindbox/mindbox.dart';
 import 'package:test_plugin/test_plugin.dart';
 
 Future<void> handleBackGroundMessage(RemoteMessage message) async {}
@@ -11,13 +12,23 @@ void main() async {
   // https://github.com/firebase/flutterfire/blob/master/packages/firebase_messaging/firebase_messaging/android/src/main/java/io/flutter/plugins/firebase/messaging/FlutterFirebaseMessagingBackgroundExecutor.java#L141
   FirebaseMessaging.onBackgroundMessage(handleBackGroundMessage);
 
+  Mindbox.instance.init(
+    configuration: Configuration(
+      domain: 'invalid.configuration',
+      endpointIos: 'endpointIos',
+      endpointAndroid: 'endpointAndroid',
+      subscribeCustomerIfCreated: true,
+    ),
+  );
+
   // calling from Flutter
   final platformVersion = await TestPlugin().getPlatformVersion();
   print(platformVersion); // ok
 
   // callback should be invoked from Android 3 seconds after the start application
-  TestPlugin().onMessageFromNative(callback: (message) {
-    print(message); // will never be called if a handler .onBackgroundMessage is set
+  Mindbox.instance.onPushClickReceived((link, payload) {
+    // will never be called if a handler .onBackgroundMessage is set
+    print('$link, $payload'); // I/flutter ( 1680): link, payload
   });
 
   runApp(const MyApp());

pubspec.lock

@@ -163,6 +163,34 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.8.0"
+  mindbox:
+    dependency: "direct main"
+    description:
+      path: "mindbox/mindbox"
+      relative: true
+    source: path
+    version: "2.1.5"
+  mindbox_android:
+    dependency: transitive
+    description:
+      path: "mindbox/mindbox_android"
+      relative: true
+    source: path
+    version: "2.1.5"
+  mindbox_ios:
+    dependency: transitive
+    description:
+      path: "mindbox/mindbox_ios"
+      relative: true
+    source: path
+    version: "2.1.5"
+  mindbox_platform_interface:
+    dependency: transitive
+    description:
+      path: "mindbox/mindbox_platform_interface"
+      relative: true
+    source: path
+    version: "2.1.5"
   path:
     dependency: transitive
     description: