app/src/main/res/layout/activity_bookmark.xml
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context=".views.activities.user.UserTabActivity"
android:background="@color/white"
android:orientation="vertical"
android:id="@+id/userProfileRoot">
<FrameLayout
android:id="@+id/fragmentBookmarkContainer"
android:layout_width="match_parent"
android:layout_height="match_parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent"/>
</LinearLayout>