//file name: MainActivity.java

package hi.braincol.local.contextMenu;

import android.app.ListActivity;

import android.os.Bundle;

import android.view.ContextMenu;

import android.view.Menu;

import android.view.MenuItem;

import android.view.ContextMenu.ContextMenuInfo;

import android.view.View;

import android.widget.AdapterView.AdapterContextMenuInfo;

import android.widget.ArrayAdapter;

import android.util.Log;

public class MainActivity extends ListActivity {

    private static final int ITEM1 = Menu.FIRST;

    private static final int ITEM2 = Menu.FIRST+1;

    private static final int ITEM3 = Menu.FIRST+2;

    /** Called when the activity is first created. */

    @Override

    public void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);   

        showListView();

        //为 ListView 的所有 item 注册 ContextMenu

        registerForContextMenu(getListView());

        //这里的registerForContextMenu()也可以用下面的语句替代

        //getListView().setOnCreateContextMenuListener(this);

    }

    private void showListView(){

        String[] mString = new String[]{

                "路飞-Monkey D Luffy", 

                "奈美-Nami", 

                "卓洛-Zoro",

                "山治-Sanji", 

                "尼可·罗宾-Ms. All Sunday", 

                "乌索普-usoppu", 

                "托尼托尼·乔巴-Tony Tony Chopper",

        };

        ArrayAdapter<String> mla = new ArrayAdapter<String>(MainActivity.this, 

                R.layout.main, mString);

        MainActivity.this.setListAdapter(mla);      

    }

    //上下文菜单，本例会通过长按条目激活上下文菜单

    @Override

    public void onCreateContextMenu(ContextMenu menu, View view, 

            ContextMenuInfo menuInfo) {

        menu.setHeaderTitle("人物简介");

        //添加菜单项

        menu.add(0, ITEM1, 0, "特长");

        menu.add(0, ITEM2, 0, "战斗力");

        menu.add(0, ITEM3, 0, "经典语录");

    }

    //菜单单击响应

    @Override

    public boolean onContextItemSelected(MenuItem item){

        //获取当前被选择的菜单项的信息

        //AdapterContextMenuInfo info = (AdapterContextMenuInfo)item.getMenuInfo();

        //Log.i("braincol",String.valueOf(info.id));        

        switch(item.getItemId()){

        case ITEM1:

            //在这里添加处理代码

            break;

        case ITEM2:

            //在这里添加处理代码

            break;    

        case ITEM3:

            //在这里添加处理代码

            break;

        }

        return true;

    }

}

<?xml version="1.0" encoding="utf-8"?>

<TextView xmlns:android="http://schemas.android.com/apk/res/android"

    android:id="@+id/myTextView"

    android:textSize="20sp"

    android:layout_width="fill_parent"

    android:layout_height="fill_parent"

    android:text="@string/hello"

    />