anotherim/src/main/res/layout/activity_start_conversation.xml

<?xml version="1.0" encoding="utf-8"?>
<layout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto">

    <RelativeLayout
        android:layout_width="match_parent"
        android:layout_height="match_parent">

        <com.google.android.material.appbar.AppBarLayout
            android:id="@+id/app_bar_layout"
            android:layout_width="match_parent"
            android:layout_height="wrap_content">

            <com.google.android.material.appbar.MaterialToolbar
                android:id="@+id/toolbar"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:minHeight="?attr/actionBarSize" />

            <com.google.android.material.tabs.TabLayout
                android:id="@+id/tab_layout"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:layout_below="@id/app_bar_layout"
                app:tabGravity="fill"
                app:tabMode="fixed" />

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


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


        </androidx.viewpager.widget.ViewPager>

        <com.leinardi.android.speeddial.SpeedDialOverlayLayout
            android:id="@+id/overlay"
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:layout_below="@id/app_bar_layout" />


        <com.leinardi.android.speeddial.SpeedDialView
            android:id="@+id/speed_dial"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_alignParentEnd="true"
            android:layout_alignParentBottom="true"
            android:contentDescription="@string/add_contact_or_create_or_join_group_chat"
            app:sdMainFabClosedSrc="@drawable/ic_add_24dp"
            app:sdMainFabClosedBackgroundColor="?colorPrimaryContainer"
            app:sdMainFabClosedIconColor="?colorOnPrimaryContainer"
            app:sdMainFabOpenedBackgroundColor="?colorPrimaryContainer"
            app:sdMainFabOpenedIconColor="?colorOnPrimaryContainer"
            app:sdOverlayLayout="@id/overlay"
            app:sdUseReverseAnimationOnClose="true" />
    </RelativeLayout>
</layout>