Add ActivityCallbacks to Android

android/app/src/main/java/com/reactnativenavigation/NavigationApplication.java

@@ -9,6 +9,7 @@ import com.facebook.react.ReactNativeHost;
 import com.facebook.react.ReactPackage;
 import com.facebook.react.bridge.ReactContext;
 import com.facebook.react.bridge.WritableMap;
+import com.reactnativenavigation.controllers.ActivityCallbacks;
 import com.reactnativenavigation.react.NavigationReactGateway;
 import com.reactnativenavigation.react.ReactGateway;
 
@@ -20,6 +21,7 @@ public abstract class NavigationApplication extends Application implements React
 
     private NavigationReactGateway reactGateway;
     private Handler handler;
+    private ActivityCallbacks activityCallbacks;
 
     @Override
     public void onCreate() {
@@ -27,6 +29,7 @@ public abstract class NavigationApplication extends Application implements React
         instance = this;
         handler = new Handler(getMainLooper());
         reactGateway = new NavigationReactGateway();
+        activityCallbacks = new ActivityCallbacks();
     }
 
     public void startReactContextOnceInBackgroundAndExecuteJS() {
@@ -45,6 +48,14 @@ public abstract class NavigationApplication extends Application implements React
         return reactGateway;
     }
 
+    public ActivityCallbacks getActivityCallbacks() {
+        return activityCallbacks;
+    }
+
+    protected void setActivityCallbacks(ActivityCallbacks activityLifecycleCallbacks) {
+        this.activityCallbacks = activityLifecycleCallbacks;
+    }
+
     public boolean isReactContextInitialized() {
         return reactGateway.isInitialized();
     }

android/app/src/main/java/com/reactnativenavigation/controllers/ActivityCallbacks.java

@@ -0,0 +1,35 @@
+package com.reactnativenavigation.controllers;
+
+import android.app.Activity;
+import android.content.Intent;
+import android.os.Bundle;
+
+public class ActivityCallbacks {
+    public void onActivityCreated(Activity activity, Bundle savedInstanceState) {
+
+    }
+
+    public void onActivityStarted(Activity activity) {
+
+    }
+
+    public void onActivityResumed(Activity activity) {
+
+    }
+
+    public void onActivityPaused(Activity activity) {
+
+    }
+
+    public void onActivityStopped(Activity activity) {
+
+    }
+
+    public void onActivityResult(int requestCode, int resultCode, Intent data) {
+
+    }
+
+    public void onActivityDestroyed(Activity activity) {
+
+    }
+}

android/app/src/main/java/com/reactnativenavigation/controllers/NavigationActivity.java

@@ -56,6 +56,7 @@ public class NavigationActivity extends AppCompatActivity implements DefaultHard
         disableActivityShowAnimationIfNeeded();
         createLayout();
         createModalController();
+        NavigationApplication.instance.getActivityCallbacks().onActivityCreated(this, savedInstanceState);
     }
 
     private void disableActivityShowAnimationIfNeeded() {
@@ -73,6 +74,12 @@ public class NavigationActivity extends AppCompatActivity implements DefaultHard
         setContentView(layout.asView());
     }
 
+    @Override
+    protected void onStart() {
+        super.onStart();
+        NavigationApplication.instance.getActivityCallbacks().onActivityStarted(this);
+    }
+
     @Override
     protected void onResume() {
         super.onResume();
@@ -83,6 +90,7 @@ public class NavigationActivity extends AppCompatActivity implements DefaultHard
         currentActivity = this;
         setDeepLinkData();
         NavigationApplication.instance.getReactGateway().onResumeActivity(this, this);
+        NavigationApplication.instance.getActivityCallbacks().onActivityResumed(this);
         EventBus.instance.register(this);
     }
 
@@ -97,13 +105,21 @@ public class NavigationActivity extends AppCompatActivity implements DefaultHard
         super.onPause();
         currentActivity = null;
         NavigationApplication.instance.getReactGateway().onPauseActivity();
+        NavigationApplication.instance.getActivityCallbacks().onActivityPaused(this);
         EventBus.instance.unregister(this);
     }
 
+    @Override
+    protected void onStop() {
+        super.onStop();
+        NavigationApplication.instance.getActivityCallbacks().onActivityStopped(this);
+    }
+
     @Override
     protected void onDestroy() {
         destroyLayouts();
         destroyJsIfNeeded();
+        NavigationApplication.instance.getActivityCallbacks().onActivityDestroyed(this);
         super.onDestroy();
     }
 
@@ -138,6 +154,7 @@ public class NavigationActivity extends AppCompatActivity implements DefaultHard
     @Override
     public void onActivityResult(int requestCode, int resultCode, Intent data) {
         NavigationApplication.instance.getReactGateway().onActivityResult(requestCode, resultCode, data);
+        NavigationApplication.instance.getActivityCallbacks().onActivityResult(requestCode, resultCode, data);
     }
 
     @Override