Signal-Android/app/src/main/res/layout/create_group_activity.xml

<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    android:layout_gravity="center"
    android:orientation="vertical">

    <org.thoughtcrime.securesms.util.views.DarkOverflowToolbar
        android:id="@+id/toolbar"
        android:layout_width="match_parent"
        android:layout_height="@dimen/signal_m3_toolbar_height"
        android:minHeight="@dimen/signal_m3_toolbar_height"
        android:theme="?attr/settingsToolbarStyle"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent"
        app:navigationIcon="@drawable/ic_arrow_left_24"
        app:title="@string/CreateGroupActivity__select_members"
        app:titleTextAppearance="@style/Signal.Text.TitleLarge" />

    <org.thoughtcrime.securesms.components.ContactFilterView
        android:id="@+id/contact_filter_edit_text"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_marginLeft="16dp"
        android:layout_marginTop="10dp"
        android:layout_marginRight="16dp"
        android:minHeight="44sp"
        app:layout_constraintTop_toBottomOf="@id/toolbar" />

    <fragment
        android:id="@+id/contact_selection_list_fragment"
        android:name="org.thoughtcrime.securesms.ContactSelectionListFragment"
        android:layout_width="0dp"
        android:layout_height="0dp"
        android:layout_marginTop="10dp"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@id/contact_filter_edit_text" />

    <com.google.android.material.button.MaterialButton
        android:id="@+id/skip"
        style="@style/Signal.Widget.Button.Large.Tonal"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginEnd="16dp"
        android:layout_marginBottom="16dp"
        android:minWidth="0dp"
        android:text="@string/CreateGroupActivity__skip"
        app:elevation="0dp"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="parent" />

    <com.google.android.material.floatingactionbutton.FloatingActionButton
        android:id="@+id/next"
        style="@style/Signal.Widget.Button.Large.Tonal.Icon"
        android:layout_marginEnd="16dp"
        android:layout_marginBottom="16dp"
        android:contentDescription="@string/AccountLockedFragment__next"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:srcCompat="@drawable/ic_arrow_end_24" />

</androidx.constraintlayout.widget.ConstraintLayout>