diff --git a/app/src/main/java/org/mercury_im/messenger/ui/chatlist/ChatListFragment.java b/app/src/main/java/org/mercury_im/messenger/ui/chatlist/ChatListFragment.java
index 08910cd..468c041 100644
--- a/app/src/main/java/org/mercury_im/messenger/ui/chatlist/ChatListFragment.java
+++ b/app/src/main/java/org/mercury_im/messenger/ui/chatlist/ChatListFragment.java
@@ -8,6 +8,7 @@ import android.util.Log;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
+import android.widget.Toast;
 
 import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
@@ -46,6 +47,8 @@ public class ChatListFragment extends Fragment {
         ButterKnife.bind(this, view);
 
         recyclerView.setAdapter(recyclerViewAdapter);
+
+        fab.setOnClickListener(v -> Toast.makeText(getContext(), R.string.not_yet_implemented, Toast.LENGTH_SHORT).show());
         return view;
     }
 
diff --git a/app/src/main/java/org/mercury_im/messenger/ui/roster/bookmarks/BookmarkListFragment.java b/app/src/main/java/org/mercury_im/messenger/ui/roster/bookmarks/BookmarkListFragment.java
index a9f3943..ed5752e 100644
--- a/app/src/main/java/org/mercury_im/messenger/ui/roster/bookmarks/BookmarkListFragment.java
+++ b/app/src/main/java/org/mercury_im/messenger/ui/roster/bookmarks/BookmarkListFragment.java
@@ -4,6 +4,7 @@ import android.os.Bundle;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
+import android.widget.Toast;
 
 import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
@@ -27,6 +28,8 @@ public class BookmarkListFragment extends Fragment {
         View view = inflater.inflate(R.layout.fragment_bookmarks_list, container, false);
         ButterKnife.bind(this, view);
 
+        fab.setOnClickListener(v -> Toast.makeText(getContext(), R.string.not_yet_implemented, Toast.LENGTH_SHORT).show());
+
         return view;
     }
 }
diff --git a/app/src/main/java/org/mercury_im/messenger/ui/roster/contacts/ContactListFragment.java b/app/src/main/java/org/mercury_im/messenger/ui/roster/contacts/ContactListFragment.java
index 9bc816a..8115d00 100644
--- a/app/src/main/java/org/mercury_im/messenger/ui/roster/contacts/ContactListFragment.java
+++ b/app/src/main/java/org/mercury_im/messenger/ui/roster/contacts/ContactListFragment.java
@@ -8,6 +8,7 @@ import android.util.Log;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
+import android.widget.Toast;
 
 import androidx.fragment.app.Fragment;
 import androidx.lifecycle.ViewModelProvider;
@@ -47,6 +48,7 @@ public class ContactListFragment extends Fragment {
 
         recyclerView.setAdapter(recyclerViewAdapter);
 
+        fab.setOnClickListener(v -> Toast.makeText(getContext(), R.string.not_yet_implemented, Toast.LENGTH_SHORT).show());
         return view;
     }