main.xml

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

      <EditText
       android:hint="Enter English text"
       android:id="@+id/et"
       android:layout_width="fill_parent"
       android:layout_height="wrap_content">
     </EditText>
    <Button
       android:id="@+id/button1"
       android:layout_width="fill_parent"
        android:layout_height="wrap_content"
       android:text="Find"
       />
    <TextView
         android:id="@+id/tv"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
/>

</LinearLayout>