session-android/app/src/main/res/layout/activity_link_device.xml

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    android:id="@+id/containerLayout"
    android:layout_width="match_parent"
    android:layout_height="match_parent">

    <androidx.viewpager.widget.ViewPager
        android:id="@+id/viewPager"
        android:layout_width="match_parent"
        android:layout_height="match_parent" >

        <com.google.android.material.tabs.TabLayout
            style="@style/Widget.Session.TabLayout"
            android:id="@+id/tabLayout"
            android:layout_width="match_parent"
            android:layout_height="@dimen/tab_bar_height" />

    </androidx.viewpager.widget.ViewPager>

    <FrameLayout
        android:animateLayoutChanges="true"
        android:layout_width="match_parent"
        android:layout_height="match_parent">

        <RelativeLayout
            android:id="@+id/loader"
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:background="#A4000000"
            android:visibility="gone">

            <com.github.ybq.android.spinkit.SpinKitView
                style="@style/SpinKitView.Large.ThreeBounce"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_marginTop="8dp"
                android:layout_centerInParent="true"
                app:SpinKit_Color="@android:color/white" />

        </RelativeLayout>

    </FrameLayout>

</RelativeLayout>