erpsuiteandroid/ApexDrivers/RAUtilsLibrary/src/main/res/layout/activity_capture_new.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"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context=".barcodescanner.CaptureActivityNew">

    <androidx.camera.view.PreviewView
        android:id="@+id/viewFinder"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:scaleType="fitCenter">

    </androidx.camera.view.PreviewView>
    <com.usai.redant.rautils.barcodescanner.MaskViewNew
        android:id="@+id/maskview"
        android:layout_width="match_parent"
        android:layout_height="match_parent" />


    <Button
        android:id="@+id/button"
        android:layout_width="50dp"
        android:layout_height="50dp"
        android:layout_gravity="center_vertical|right"
        android:layout_marginEnd="50dp"
        android:background="@drawable/ra_redbg_round_corner_25"
        app:layout_constraintBottom_toBottomOf="@+id/viewFinder"
        app:layout_constraintEnd_toEndOf="@+id/viewFinder"
        app:layout_constraintTop_toTopOf="@+id/viewFinder" />

    <TextView
        android:id="@+id/status_view"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_gravity="bottom|center_horizontal"

        android:layout_marginBottom="20dp"
        android:text="@string/msg_default_status"
        android:textColor="#FFFFFF"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent" />
</androidx.constraintlayout.widget.ConstraintLayout>