habitica-android/Habitica/res/layout/activity_party_invite.xml

<?xml version="1.0" encoding="utf-8"?>
<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:background="@color/white">
    <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=".ui.activities.PrefsActivity"
        android:orientation="vertical"
        android:background="@color/white">

        <com.google.android.material.appbar.AppBarLayout
            android:layout_width="match_parent"
            android:layout_height="wrap_content">

            <androidx.appcompat.widget.Toolbar
                android:id="@+id/toolbar"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:minHeight="?attr/actionBarSize"
                android:theme="@style/Toolbar"
                app:layout_scrollFlags="scroll|enterAlways"
                app:popupTheme="@style/ThemeOverlay.AppCompat.Dark"/>

        </com.google.android.material.appbar.AppBarLayout>

    <com.google.android.material.tabs.TabLayout
        android:id="@+id/tab_layout"
        android:layout_width="match_parent"
        android:layout_height="?attr/actionBarSize"
        android:layout_gravity="bottom"
        android:background="?attr/colorPrimary"
        android:elevation="0dp"
        android:fillViewport="false"

        android:theme="@style/ThemeOverlay.AppCompat.Dark.ActionBar"
        app:layout_anchor="@+id/collapsing_toolbar"
        app:layout_anchorGravity="bottom"

        app:layout_collapseMode="pin"
        app:tabGravity="fill"
        app:tabIndicatorColor="@android:color/white"
        app:tabMode="fixed" />

    <androidx.viewpager.widget.ViewPager
        android:id="@+id/viewPager"
        android:layout_width="match_parent"
        android:layout_height="0px"
        android:layout_weight="1"
        android:background="@android:color/white" />

</LinearLayout>

<FrameLayout
android:id="@+id/snackbar_view"
android:layout_width="match_parent"
android:layout_height="80dp"
android:layout_gravity="bottom"
android:layout_marginBottom="@dimen/spacing_large"/>
</FrameLayout>