LinearLayoutSmallButton

<LinearLayout
  android:layout_width="match_parent"
  android:layout_height="match_parent"
  android:orientation="horizontal">
  
  <Button
    android:id="@+id/wide_button"
    android:layout_width="0dp"
    android:layout_height="match_parent"
    android:layout_weight="1"/>
    
  <Button
    android:id="@+id/small_button"
    android:layout_width="wrap_content"
    android:layout_width="match_parent">
  
</LinearLayout>