This is my XML
<Button
  android:id="@+id/w1"
  android:layout_width="0dp"
  android:layout_height="match_parent"
  android:layout_weight="1"
  android:background="@color/buttons_background"
  android:clickable="true"
  android:drawableRight="@drawable/icon_more"
  android:fontFamily="roboto medium"
  android:paddingLeft="30dp"
  android:paddingRight="30dp"
  android:text="@string/w1_btn_more"
  android:textColor="@color/text_color"
  android:textSize="17sp" />
How to change from icon_more to icon_next.
Piece of code Java
Button w1 = (Button) view.findViewById(R.id.w1);
w1.set("???");