contentProvider

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:orientation="vertical"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:paddingLeft="@dimen/activity_horizontal_margin"
    android:paddingRight="@dimen/activity_horizontal_margin"
    android:paddingTop="@dimen/activity_vertical_margin"
    android:paddingBottom="@dimen/activity_vertical_margin"
    tools:context=".MainActivity">

    <TextView
        android:id="@+id/info"
        android:textSize="20px"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="联系人列表" />


    <ListView
        android:id="@+id/linkManLists"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"/>

</LinearLayout>

=================contact.xml=================
<TableLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    >

    <TableRow>
    <TextView
        android:id="@+id/_id"
        android:textSize="20px"
        android:layout_height="wrap_content"
        android:layout_width="60px"
        android:text="联系人列表" />


    <TextView
        android:id="@+id/_name"
        android:textSize="20px"
        android:layout_height="wrap_content"
        android:layout_width="300px"
        android:text="联系人列表" />
    </TableRow>
</TableLayout>

====================================

package com.example.eightoperlinkmancontentprovider;

import android.database.Cursor;
import android.net.Uri;
import android.os.Bundle;
import android.app.Activity;
import android.provider.ContactsContract;
import android.view.ContextMenu;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.AdapterView;
import android.widget.ListView;
import android.widget.SimpleAdapter;
import android.widget.Toast;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

public class MainActivity extends Activity {
    private ListView contactsList=null;
    private Cursor result= null;
    private List<Map<String,Object>> allContactMap=null;  //option +return
    private SimpleAdapter simpleAdapter = null;

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

        this.contactsList= (ListView) super.findViewById(R.id.linkManLists);

        this.result = super.getContentResolver().query(ContactsContract.Contacts.CONTENT_URI,null,null,null,null);
        this.startManagingCursor(result);

        this.allContactMap = new ArrayList<Map<String, Object>>();

        for (result.moveToFirst();!result.isAfterLast();result.moveToNext()){
            Map<String, Object> contactMap = new HashMap<String, Object>();

            contactMap.put("_id",result.getColumnIndex(ContactsContract.Contacts._ID));
            contactMap.put("_name",result.getColumnIndex(ContactsContract.Contacts.DISPLAY_NAME));

            this.allContactMap.add(contactMap);

        }

        this.simpleAdapter = new SimpleAdapter(this,allContactMap,R.layout.contacts,new String[]{"_id","_name"},new int[]{R.id._id,R.id._name});
        this.contactsList.setAdapter(this.simpleAdapter);
        super.registerForContextMenu(this.contactsList);//reigister context menu


    }


//    @Override
//    public boolean onCreateOptionsMenu(Menu menu) {
//        // Inflate the menu; this adds items to the action bar if it is present.
//        getMenuInflater().inflate(R.menu.main, menu);
//        return true;
//    }

    @Override
    public void onCreateContextMenu(ContextMenu menu, View v, ContextMenu.ContextMenuInfo menuInfo) {
        super.onCreateContextMenu(menu, v, menuInfo);
        menu.setHeaderTitle("联系人操作：");
        menu.add(Menu.NONE, Menu.FIRST + 1, 1, "Show Detail");
        menu.add(Menu.NONE,Menu.FIRST+2,1,"Delete Info");
    }

    @Override
    public boolean onContextItemSelected(MenuItem item) {//选中某个菜单项
        AdapterView.AdapterContextMenuInfo info = (AdapterView.AdapterContextMenuInfo) item.getMenuInfo();

        int idx = info.position;
        //取得数据ID
        long contactid=Long.parseLong(this.allContactMap.get(idx).get("_id").toString());

        switch (item.getItemId()){
            
            case Menu.FIRST+1:
                String phoneSelection = ContactsContract.CommonDataKinds.Phone.CONTACT_ID + "=?";
                //查询参数
                String[]  phoneSelectionArgs = {String.valueOf(contactid)};
                //查询全部手机号码
               Cursor c = super.getContentResolver().query(ContactsContract.CommonDataKinds.Phone.CONTENT_URI,null,phoneSelection,phoneSelectionArgs,null);
               StringBuffer stringBuffer = new StringBuffer();
                stringBuffer.append("电话号码是：");
                for (result.moveToFirst();!result.isAfterLast();result.moveToNext()){
                    stringBuffer.append(c.getString(c.getColumnIndex(ContactsContract.CommonDataKinds.Phone.NUMBER))).append(",");
                }
                Toast.makeText(this,stringBuffer,Toast.LENGTH_LONG).show();
                break;
            case Menu.FIRST+2:
                super.getContentResolver().delete(Uri.withAppendedPath(ContactsContract.Contacts.CONTENT_URI,String.valueOf(contactid)),null,null);
                this.allContactMap.remove(idx);//删除数据项
                this.simpleAdapter.notifyDataSetChanged();
                Toast.makeText(this,"数据已经删除！",Toast.LENGTH_LONG).show();
                break;
        }

        return false;

    }
}