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Android Build a Simple Android App Creating the Screen Layout Adding a Button

Now let's add a Button element in XML. Hint: Copy and paste the TextView element and change 'TextView' to 'Button'.

Now let's add a Button element in XML. Hint: Copy and paste the TextView element and change 'TextView' to 'Button'.

activity_main.xml
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
  android:layout_width="match_parent"
  android:layout_height="match_parent" >

  <TextView
    android:layout_width="wrap_content"
    android:layout_height="wrap_content" />

</RelativeLayout>
  <Button
    android:layout_width="wrap_content"
    android:layout_height="wrap_content" />
</RelativeLayout>

1 Answer

place your button tag before the first closing relative layout tag and delete the second one

RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:layout_height="match_parent" >

<TextView android:layout_width="wrap_content" android:layout_height="wrap_content" /> <Button android:layout_width="wrap_content" android:layout_height="wrap_content" /> </RelativeLayout>