Displaying Context menu for one click in ListView

activity_main.xml:
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:id="@+id/LinearLayout1"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
    android:background="#ff0000">

    <ListView
        android:id="@+id/listView1"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:cacheColorHint="#ff0000"
        android:divider="#ffffff"
        android:dividerHeight="1dp">
    </ListView>

</LinearLayout>

MainActivity.java:
package com.ram.listviewwithcustommenu;

import android.app.Activity;
import android.os.Bundle;
import android.view.ContextMenu;
import android.view.View;
import android.view.ContextMenu.ContextMenuInfo;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.ArrayAdapter;
import android.widget.ListView;

public class MainActivity extends Activity implements OnItemClickListener {
    String[] ITEMS = { "item1", "item2", "item3", "item4", "item5", "item6",
            "item7", "item8", "item9", "item10" };

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        ListView listView = (ListView) findViewById(R.id.listView1);

        ArrayAdapter<String> adapter = new ArrayAdapter<String>(
                getApplicationContext(), android.R.layout.simple_list_item_1, ITEMS);

        listView.setAdapter(adapter);

        registerForContextMenu(listView);

        listView.setOnItemClickListener(this);
    }

    @Override
    public void onCreateContextMenu(ContextMenu menu, View v,
            ContextMenuInfo menuInfo) {
        // TODO Auto-generated method stub
        super.onCreateContextMenu(menu, v, menuInfo);
        getMenuInflater().inflate(R.menu.main, menu);
    }

    @Override
    public void onItemClick(AdapterView<?> arg0, View v, int arg2, long arg3) {
        // TODO Auto-generated method stub
        this.openContextMenu(v);
    }
}