PolyBooks/sdp_polyBooks

<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:keepScreenOn="true"
    tools:context=".activities.ScanBarcodeActivity">

<!--    <Button
        android:id="@+id/temporary_button"
        android:layout_width="100dp"
        android:layout_height="100dp"
        android:layout_marginBottom="50dp"
        android:elevation="2dp"
        android:onClick="passISBN"
        android:scaleType="fitCenter"
        android:text="Pass ISBN"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintLeft_toLeftOf="parent"
        app:layout_constraintRight_toRightOf="parent" />-->
    <!--    TODO add X button to cancel the scan? flash on-off button? switch front and back camera button?-->
<androidx.camera.view.PreviewView
    android:id="@+id/viewFinder"
    android:layout_width="match_parent"
    android:layout_height="match_parent" />

<!--<com.google.mlkit.md.camera.CameraSourcePreview
    android:id="@+id/camera_preview"
    android:layout_width="match_parent"
    android:layout_height="match_parent">

    <include layout="@layout/camera_preview_overlay"/>

</com.google.mlkit.md.camera.CameraSourcePreview>

<include
    layout="@layout/top_action_bar_in_live_camera"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:layout_gravity="top"/>-->

</androidx.constraintlayout.widget.ConstraintLayout>