Android ContentProvider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<String,Object> 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<String,Object> map = new HashMap<String,Object>();         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;  }

<uses-permission android:name="android.permission.READ_CONTACTS" /><uses-permission android:name="android.permission.READ_PHONE_STATE" />