Android Compound View

public class ShowHideToggleButton extends LinearLayout {

    Context context;

    public ShowHideToggleButton(final Context context) {
        this(context, null);
    }

    public ShowHideToggleButton(Context context, AttributeSet attrs) {
        this(context, attrs, 0);
    }

    public ShowHideToggleButton(Context context, AttributeSet attrs, int defStyleAttr) {
        super(context, attrs, defStyleAttr);
        this.context = context;
        LayoutInflater inflater = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
        addView(inflater.inflate(R.layout.xxxx, null));
        ...
    }

   ...

}