<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
  xmlns:android="http://schemas.android.com/apk/res/android"
  android:orientation="vertical"
  android:layout_width="match_parent"
  android:layout_height="match_parent">

  <FrameLayout
    android:id="@+id/cameraPreview"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:layout_weight="1"
  />

  <TextView
    android:id="@+id/scanText"
    android:text="Scanning..."
    android:layout_height="wrap_content" 
    android:layout_width="match_parent">
  </TextView>
  <Button
    android:id="@+id/ScanButton"
    android:text="Scan"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:layout_gravity="center"
  />
</LinearLayout>
