android Menu

menu

<?xml version="1.0" encoding="utf-8"?>
<menu xmlns:android="http://schemas.android.com/apk/res/android" >
 
    <item android:id="@+id/item1"  android:title="add"  android:icon="@android:drawable/ic_menu_save"></item>
    <item android:id="@+id/item2"  android:title="del2"  android:icon="@android:drawable/ic_delete"></item>
 
     <item android:id="@+id/item3"  android:title="del3"  android:icon="@android:drawable/ic_delete"></item>
     <item android:id="@+id/item4"  android:title="del4"  android:icon="@android:drawable/ic_delete"></item>
     <item android:id="@+id/item5"  android:title="del5"  android:icon="@android:drawable/ic_delete"></item>
     <item android:id="@+id/item6"  android:title="del6"  android:icon="@android:drawable/ic_delete"></item>
     <item android:id="@+id/item7"  android:title="del7"  android:icon="@android:drawable/ic_delete"></item>
      <item android:id="@+id/item8"  android:title="del8"  android:icon="@android:drawable/ic_delete"></item>
 
</menu>

java

 /**
 * @Title MenuTest.java
 * @package     com.example.standardview
 * @since
 * @version     1.0.0
 * @author      Vic Lee
 * @date        Aug 26, 2016-2:10:07 PM
 */
package com.example.standardview;
 
import com.example.standardview.R.menu;
 
import android.app.Activity;
import android.app.ListActivity;
import android.os.Bundle;
import android.view.ContextMenu;
import android.view.ContextMenu.ContextMenuInfo;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.View;
import android.widget.AdapterView;
import android.widget.AdapterView.AdapterContextMenuInfo;
import android.widget.ArrayAdapter;
import android.widget.Toast;
 
 /**
 * @package  com.example.standardview
 * @typename MenuTest
 * @describe create menu
 * @version  1.0.0
 * @author   Vic Lee
 * @contact  lcfhn168@163.com
 * @date     Aug 26, 2016-3:11:24 PM
 */
 
//public class MenuTest extends Activity {
public class MenuTest extends ListActivity {
    ArrayAdapter<String> arrayAdapter;
/* (non-Javadoc)* @see android.app.Activity#onContextItemSelected(android.view.MenuItem)*/
    @Override
    public boolean onContextItemSelected(MenuItem item) {
 
        AdapterView.AdapterContextMenuInfo itemMenuInfo=(AdapterContextMenuInfo) item.getMenuInfo();
        //itemMenuInfo.notify();
        Toast.makeText(this, "MainID:"+arrayAdapter.getItem(itemMenuInfo.position)+"=>subID:"+item.getTitle(), 3000).show();
        return super.onContextItemSelected(item);
 
    }
 
    /* (non-Javadoc)* @see android.app.Activity#onCreateContextMenu(android.view.ContextMenu, android.view.View, android.view.ContextMenu.ContextMenuInfo)*/
    @Override
    public void onCreateContextMenu(ContextMenu menu, View v,
            ContextMenuInfo menuInfo) {
        MenuInflater menuInflater=getMenuInflater();
        menuInflater.inflate(R.menu.optionmenu, menu);
        super.onCreateContextMenu(menu, v, menuInfo);
 
    }
 
private String[] mItemStrings=new String[]{"hello1","hello2","hello3"};
    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        // TODO Auto-generated method stub
        Toast.makeText(this,item.getTitle().toString() , 3000).show();
 
        return super.onOptionsItemSelected(item);
 
    }
 
    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
 
        // TODO Auto-generated method stub
        MenuInflater menuInflater=getMenuInflater();
        menuInflater.inflate(R.menu.optionmenu, menu);
 
        //menu.add("hello");
//        menu.add(1, 1, 1, "hello");
//        menu.add(1, 2, 2, "hello2");
//        menu.add(1, 3, 3, "hello3");
//        menu.addSubMenu("hello11");
//        menu.addSubMenu("hello22");
        return super.onCreateOptionsMenu(menu);
 
    } 
 
    @Override
    protected void onCreate(Bundle savedInstanceState) {
 
        super.onCreate(savedInstanceState);
        //setContentView(R.layout.activity_main);
         arrayAdapter=new  ArrayAdapter<String>(this, android.R.layout.simple_list_item_1, mItemStrings);
        setListAdapter(arrayAdapter);
        registerForContextMenu(getListView());
    }
 
}

效果