Merge PR #151 (fix #56)

Fix #56

Author: note11g

android/src/main/kotlin/dev/note11/flutter_naver_map/flutter_naver_map/FlutterNaverMapPlugin.kt

@@ -1,5 +1,6 @@
 package dev.note11.flutter_naver_map.flutter_naver_map
 
+import android.app.Activity
 import android.content.Context
 import dev.note11.flutter_naver_map.flutter_naver_map.sdk.SdkInitializer
 import dev.note11.flutter_naver_map.flutter_naver_map.view.NaverMapViewFactory
@@ -28,14 +29,19 @@ internal class FlutterNaverMapPlugin : FlutterPlugin, ActivityAware {
     override fun onDetachedFromEngine(binding: FlutterPlugin.FlutterPluginBinding) = Unit
 
     override fun onAttachedToActivity(binding: ActivityPluginBinding) {
+        val activity = binding.activity
         val naverMapViewFactory =
-            NaverMapViewFactory(binding.activity, pluginBinding.binaryMessenger)
+            NaverMapViewFactory(activity, pluginBinding.binaryMessenger)
+        correctDisplayOnFlutterNavigatorStackWithActivityBackgroundMode(activity)
         pluginBinding.platformViewRegistry.registerViewFactory(
-            MAP_VIEW_TYPE_ID,
-            naverMapViewFactory
+            MAP_VIEW_TYPE_ID, naverMapViewFactory
         )
     }
 
+    private fun correctDisplayOnFlutterNavigatorStackWithActivityBackgroundMode(activity: Activity) {
+        activity.intent.putExtra("background_mode", "transparent")
+    }
+
     override fun onDetachedFromActivityForConfigChanges() = Unit
 
     override fun onReattachedToActivityForConfigChanges(binding: ActivityPluginBinding) = Unit

example/android/app/src/main/kotlin/dev/note11/flutter_naver_map/flutter_naver_map_example/MainActivity.kt

@@ -3,9 +3,4 @@ package dev.note11.flutter_naver_map.flutter_naver_map_example
 import android.os.Bundle
 import io.flutter.embedding.android.FlutterActivity
 
-class MainActivity : FlutterActivity() {
-    override fun onCreate(savedInstanceState: Bundle?) {
-        intent.putExtra("background_mode", "transparent")
-        super.onCreate(savedInstanceState)
-    }
-}
+class MainActivity : FlutterActivity() {}