Conversation Screen button for the user to click and initiate a chat

chatbutton.js

<com.google.android.material.floatingactionbutton.FloatingActionButton
    android:id="@+id/fab"
    android:layout_marginEnd="32dp"
    android:layout_marginBottom="32dp"
    app:layout_constraintEnd_toEndOf="parent"
    app:layout_constraintBottom_toBottomOf="parent"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:src="@drawable/ic_add"
    android:layout_gravity="bottom|end"
    app:elevation="6dp"
    android:onClick="newChatTapped"
    app:pressedTranslationZ="12dp"/>