activity_main.xml

 <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:paddingBottom="@dimen/activity_vertical_margin"
    android:paddingLeft="@dimen/activity_horizontal_margin"
    android:paddingRight="@dimen/activity_horizontal_margin"
    android:paddingTop="@dimen/activity_vertical_margin"
    android:orientation="vertical"
    tools:context=".MainActivity" >
    
  <TextView 
      android:layout_width="match_parent"
      android:layout_height="wrap_content"
      android:text="Select your favourite actor:"/>

  <AutoCompleteTextView 
       android:id="@+id/autoText"
       android:layout_width="match_parent"
       android:layout_height="wrap_content"/>
  
  <TextView 
      android:id="@+id/dinamicText"
      android:textSize="40sp"
      android:textStyle="italic"
      android:textColor="#FF8000"
      android:gravity="center"
      android:layout_width="match_parent"
      android:layout_height="wrap_content"
      android:text=""/>

</LinearLayout>