Pilldroid/app/src/main/res/layout/custom_barcode_scanner.xml

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

    <com.journeyapps.barcodescanner.BarcodeView
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:id="@+id/zxing_barcode_surface"
        app:zxing_framing_rect_width="250dp"
        app:zxing_framing_rect_height="50dp">

    </com.journeyapps.barcodescanner.BarcodeView>

    <com.journeyapps.barcodescanner.ViewfinderView
        android:id="@+id/zxing_viewfinder_view"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:layout_gravity="center"
        android:background="#FFFFFF"
        app:zxing_possible_result_points="@color/zxing_custom_possible_result_points"
        app:zxing_result_view="@color/zxing_custom_result_view"
        app:zxing_viewfinder_laser="@color/zxing_custom_viewfinder_laser"
        app:zxing_viewfinder_laser_visibility="true"
        app:zxing_viewfinder_mask="@color/zxing_custom_viewfinder_mask" />

    <TextView
        android:id="@+id/zxing_status_view"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_gravity="bottom|center_horizontal"
        android:background="@color/zxing_transparent"
        android:text="@string/zxing_msg_default_status"
        android:textColor="@color/zxing_status_text"/>

    <ImageButton
        android:id="@+id/cancel_button"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_gravity="bottom|start"
        android:layout_marginStart="5dp"
        android:layout_marginBottom="5dp"
        android:background="#00FFFFFF"
        android:contentDescription="@string/button_cancel"
        android:onClick="onCancel"
        android:visibility="visible"
        tools:src="@drawable/ic_cancel_black_24dp" />

    <ImageButton
        android:id="@+id/keyboard_button"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_gravity="bottom|center|end"
        android:layout_marginEnd="5dp"
        android:background="#00FFFFFF"
        android:contentDescription="@string/button_keyboard"
        android:onClick="onKeyboard"
        android:src="@drawable/ic_keyboard_black_24dp" />

</merge>