AndroidContentProvider获取手机联系人实例

public void getLinkMan(View view){
    //获取联系人
    Uri uri=Uri.parse("content://com.android.contacts/raw_contacts");
    cursor = cr.query(uri,null,null,null,null);
    while(cursor.moveToNext()){
      int id= cursor.getInt(cursor.getColumnIndex("_id"));
      String name= cursor.getString(cursor.getColumnIndex("display_name"));
      int number=cursor.getInt(cursor.getColumnIndex("number"));
      Log.i("test",id+" "+name);

      //继续获取相对应的联系人的数据（电话号码）
      Uri uriData=Uri.parse("content://com.android.contacts/raw_contacts/"+id+"/data");
      cursorData = cr.query(uriData,null,null,null,null);
      while(cursorData.moveToNext()){
        String data1= cursorData.getString(cursorData.getColumnIndex("data1"));
        String type= cursorData.getString(cursorData.getColumnIndex("mimetype"));
        if("vnd.android.cursor.item/phone_v2".equals(type)){
          Log.i("test","    "+data1+":"+type);
          Map map=new HashMap<>();
          map.put("id",id);
          map.put("name",name);
          map.put("number",number);
          list.add(map);
        }
      }
    }

    //实例化适配器
    simpleAdapter = new SimpleAdapter(this,list, R.layout.item_linkman,new String[]{"_id","name","number"},new int[]{R.id.tv_item_list_id,R.id.tv_item_list_name,R.id.tv_item_list_number});
    listView.setAdapter(simpleAdapter);
  }

//跳转到通讯录界面
    Uri uri=Uri.parse("content://contacts/people");
    Intent intent=new Intent(Intent.ACTION_PICK,uri);
    startActivity(intent);

@Override 
  protected void onActivityResult(int requestCode, int resultCode, Intent data) { 

    switch (requestCode){ 
      case 0: 
        if(data==null) //判断返回的数据
        { 
          return; 
        } 
        //获取选择的联系人信息 
        Uri uri=data.getData(); 
        String contact[]=getPhoneContacts(uri); 
        Map map = new HashMap(); 
        map.put("name",contact[0]); 
        map.put("number",contact[1]); 
        list.clear(); 
        list.add(map); 
        adapter = new SimpleAdapter(this, list, R.layout.item_list,new String[]{"id","name","number"},new int[]{R.id.id,R.id.name,R.id.number}); 
        listView.setAdapter(adapter); 
        break; 
    } 
    super.onActivityResult(requestCode, resultCode, data); 
  } 

private String[] getPhoneContacts(Uri uri){
    String[] cOntact=new String[2];
    ContentResolver cr = getContentResolver();
    //取得联系人中第一项的光标
    Cursor cursor=cr.query(uri,null,null,null,null);
    if(cursor!=null)
    {
      cursor.moveToFirst();
      //取得联系人姓名
      int nameFieldColumnIndex=cursor.getColumnIndex(ContactsContract.Contacts.DISPLAY_NAME);
      contact[0]=cursor.getString(nameFieldColumnIndex);
      //取得电话号码
      String COntactId= cursor.getString(cursor.getColumnIndex(ContactsContract.Contacts._ID));
      Cursor phOne= cr.query(ContactsContract.CommonDataKinds.Phone.CONTENT_URI, null,
          ContactsContract.CommonDataKinds.Phone.CONTACT_ID + "=" + ContactId, null, null);
      if(phone != null){
        phone.moveToFirst();
        contact[1] = phone.getString(phone.getColumnIndex(ContactsContract.CommonDataKinds.Phone.NUMBER));
      }
      phone.close();
      cursor.close();
    }
    else
    {
      return null;
    }
    return contact;
  }