mobile-android/app/src/main/res/layout/fragment_upload_master.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"
    android:id="@+id/root"
    android:orientation="vertical"
    tools:context=".HomeActivity"
    android:background="@color/white">

    <androidx.appcompat.widget.Toolbar
        android:id="@+id/toolbar"
        android:layout_width="match_parent"
        android:layout_height="?attr/actionBarSize"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent"
        app:navigationIcon="@drawable/ic_up"
        app:navigationContentDescription="@string/navigation_back_button_content_description"/>
    <ScrollView
        android:layout_width="fill_parent"
        android:layout_height="fill_parent">

        <LinearLayout
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:orientation="vertical">

            <fragment
                android:id="@+id/fragment_nav_host_upload"
                android:name="androidx.navigation.fragment.NavHostFragment"
                android:layout_width="match_parent"
                android:layout_height="0dp"
                android:layout_weight="1"
                app:defaultNavHost="true"
                app:navGraph="@navigation/nav_upload" />

            <LinearLayout
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:layout_marginStart="@dimen/keyline_5"
                android:layout_marginTop="@dimen/keyline_4"
                android:layout_marginEnd="@dimen/keyline_5"
                android:layout_marginBottom="@dimen/keyline_7"
                android:orientation="horizontal">

                <Button
                    android:id="@+id/upload_answerNo"
                    style="?attr/textAppearanceButton"
                    android:layout_width="0dp"
                    android:layout_height="wrap_content"
                    android:layout_marginEnd="@dimen/keyline_0"
                    android:layout_weight="1"
                    android:text="@string/upload_answer_no" />

                <Button
                    android:id="@+id/upload_answerYes"
                    style="?attr/textAppearanceButton"
                    android:layout_width="0dp"
                    android:layout_height="wrap_content"
                    android:layout_marginStart="@dimen/keyline_0"
                    android:layout_weight="1"
                    android:text="@string/upload_answer_yes" />

                <Button
                    android:id="@+id/upload_continue"
                    style="?attr/textAppearanceButton"
                    android:layout_width="0dp"
                    android:layout_height="wrap_content"
                    android:layout_weight="1"
                    android:text="@string/action_continue" />
            </LinearLayout>
        </LinearLayout>
    </ScrollView>
</LinearLayout>