get Menu Presenter - Android User Interface

Android examples for User Interface:Menu

  1. HOME
  2. Android
  3. User Interface
  4. Menu

Description

get Menu Presenter

Demo Code


//package com.java2s;
import java.lang.reflect.Field;
import android.app.Activity;
import android.view.View;
import android.view.ViewParent;

public class Main {
    private static Object getMenuPresenter(Activity a) {
        View homeButton = a.findViewById(android.R.id.home);
        ViewParent parentOfHome = homeButton.getParent().getParent(); //ActionBarView is parent of home ImageView, see layout file in sources
        try {/*from  ww  w .  j  a  v a2  s. c  om*/
            if (!parentOfHome.getClass().getName()
                    .contains("ActionBarView")) {
                parentOfHome = parentOfHome.getParent();
                Class<?> absAbv = parentOfHome.getClass().getSuperclass(); //ActionBarView -> AbsActionBarView class
                Field menuPresenter = absAbv
                        .getDeclaredField("mActionMenuPresenter");
                // ActionMenuPresenter is the object that calls openOverflowMenu() closeOverflowMenu()
                menuPresenter.setAccessible(true); // and contains the overflow button view.
                Object menuPresenterView = menuPresenter.get(parentOfHome);
                return menuPresenterView;
            }
        } catch (NoSuchFieldException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        } catch (IllegalArgumentException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        } catch (IllegalAccessException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
        return null;
    }
}

Related Tutorials