Layout file for activity

activity_main.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout 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:orientation="vertical"
    android:weightSum="5"
    tools:context="com.tuts.prakash.simpleocr.MainActivity">
    <SurfaceView
        android:id="@+id/surfaceView"
        android:layout_width="match_parent"
        android:layout_height="0dp"
        android:layout_weight="4" />
    <TextView
        android:id="@+id/text_view"
        android:layout_width="match_parent"
        android:layout_height="0dp"
        android:layout_margin="8dp"
        android:layout_weight="1"
        android:gravity="center"
        android:textStyle="bold"
        android:text="@string/txt_message"
        android:textColor="@android:color/black"
        android:textSize="20sp" />
</LinearLayout>