diff --git a/app/src/main/java/com/hiroshi/cimoc/ui/activity/DetailActivity.java b/app/src/main/java/com/hiroshi/cimoc/ui/activity/DetailActivity.java
index 736be63c..684aa657 100644
--- a/app/src/main/java/com/hiroshi/cimoc/ui/activity/DetailActivity.java
+++ b/app/src/main/java/com/hiroshi/cimoc/ui/activity/DetailActivity.java
@@ -6,11 +6,15 @@
 import androidx.appcompat.app.AlertDialog;
 import androidx.recyclerview.widget.GridLayoutManager;
 import androidx.recyclerview.widget.RecyclerView;
+
+import android.os.Bundle;
 import android.view.Menu;
 import android.view.MenuItem;
 import android.view.View;
 
 import com.facebook.imagepipeline.core.ImagePipelineFactory;
+import com.google.firebase.analytics.FirebaseAnalytics;
+import com.hiroshi.cimoc.App;
 import com.hiroshi.cimoc.R;
 import com.hiroshi.cimoc.fresco.ControllerBuilderSupplierFactory;
 import com.hiroshi.cimoc.fresco.ImagePipelineFactoryBuilder;
@@ -139,6 +143,14 @@ public boolean onOptionsItemSelected(MenuItem item) {
                     break;
                 case R.id.detail_search_title:
                     if (!StringUtils.isEmpty(mPresenter.getComic().getTitle())) {
+                        if(App.getPreferenceManager().getBoolean(PreferenceManager.PREF_OTHER_FIREBASE_EVENT, true)) {
+                            Bundle bundle = new Bundle();
+                            bundle.putString(FirebaseAnalytics.Param.CONTENT, mPresenter.getComic().getTitle());
+                            bundle.putString(FirebaseAnalytics.Param.CONTENT_TYPE, "byTitle");
+                            bundle.putInt(FirebaseAnalytics.Param.SOURCE, mPresenter.getComic().getSource());
+                            FirebaseAnalytics mFirebaseAnalytics = FirebaseAnalytics.getInstance(this);
+                            mFirebaseAnalytics.logEvent(FirebaseAnalytics.Event.SEARCH, bundle);
+                        }
                         intent = ResultActivity.createIntent(this, mPresenter.getComic().getTitle(), null, ResultActivity.LAUNCH_MODE_SEARCH);
                         startActivity(intent);
                     } else {
@@ -160,6 +172,15 @@ public boolean onOptionsItemSelected(MenuItem item) {
                     intent.putExtra(Intent.EXTRA_TEXT, url);
                     intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
                     startActivity(Intent.createChooser(intent, url));
+
+                    // firebase analytics
+                    if(App.getPreferenceManager().getBoolean(PreferenceManager.PREF_OTHER_FIREBASE_EVENT, true)) {
+                        Bundle bundle = new Bundle();
+                        bundle.putString(FirebaseAnalytics.Param.CONTENT, url);
+                        bundle.putInt(FirebaseAnalytics.Param.SOURCE, mPresenter.getComic().getSource());
+                        FirebaseAnalytics mFirebaseAnalytics = FirebaseAnalytics.getInstance(this);
+                        mFirebaseAnalytics.logEvent(FirebaseAnalytics.Event.SHARE, bundle);
+                    }
                     break;
                 case R.id.detail_reverse_list:
                     mDetailAdapter.reverse();
@@ -299,6 +320,15 @@ public void onComicLoadSuccess(Comic comic) {
     @Override
     public void onChapterLoadSuccess(List<Chapter> list) {
         hideProgressBar();
+        if(App.getPreferenceManager().getBoolean(PreferenceManager.PREF_OTHER_FIREBASE_EVENT, true)) {
+            Bundle bundle = new Bundle();
+            bundle.putString(FirebaseAnalytics.Param.CONTENT, mPresenter.getComic().getTitle());
+            bundle.putString(FirebaseAnalytics.Param.CONTENT_TYPE, "Title");
+            bundle.putInt(FirebaseAnalytics.Param.SOURCE, mPresenter.getComic().getSource());
+            bundle.putBoolean(FirebaseAnalytics.Param.SUCCESS, true);
+            FirebaseAnalytics mFirebaseAnalytics = FirebaseAnalytics.getInstance(this);
+            mFirebaseAnalytics.logEvent(FirebaseAnalytics.Event.VIEW_ITEM, bundle);
+        }
         if (mPresenter.getComic().getTitle() != null && mPresenter.getComic().getCover() != null) {
             mDetailAdapter.addAll(list);
         }
@@ -306,6 +336,15 @@ public void onChapterLoadSuccess(List<Chapter> list) {
 
     @Override
     public void onParseError() {
+        if(App.getPreferenceManager().getBoolean(PreferenceManager.PREF_OTHER_FIREBASE_EVENT, true)) {
+            Bundle bundle = new Bundle();
+            bundle.putString(FirebaseAnalytics.Param.CONTENT, mPresenter.getComic().getTitle());
+            bundle.putString(FirebaseAnalytics.Param.CONTENT_TYPE, "Title");
+            bundle.putInt(FirebaseAnalytics.Param.SOURCE, mPresenter.getComic().getSource());
+            bundle.putBoolean(FirebaseAnalytics.Param.SUCCESS, false);
+            FirebaseAnalytics mFirebaseAnalytics = FirebaseAnalytics.getInstance(this);
+            mFirebaseAnalytics.logEvent(FirebaseAnalytics.Event.VIEW_ITEM, bundle);
+        }
         hideProgressBar();
         showSnackbar(R.string.common_parse_error);
     }