<?xml version="1.0" encoding="utf-8"?>
<android.support.constraint.ConstraintLayout
    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"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context="com.example.mehdi.rqcodeexercise.MainActivity">


    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="Hello World!" />

    <EditText
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_marginTop="50dp"
        android:hint="Enter Text"
        android:id="@+id/txtInput" />

    <Button
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_centerHorizontal= "true"
        android:layout_marginTop="100dp"
        android:text="CREATE BARCODE"
        android:id="@+id/btnCreateBarcode"
        />

    <view
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:layout_marginTop="155dp"
        android:id="@+id/imgBarcode"/>

</android.support.constraint.ConstraintLayout>