Android中读取联系人

读取联系人需要获取权限：android.permission.READ_CONTACTS

android.permission.WRITE_CONTACTS

具体例题如http://yunpan.cn/cZNcQw3cf3Spb  访问密码 9d90————ReadContact文件

public class ReadContactActivity extends Activity {

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

    @Override

    public void onCreate(Bundle savedInstanceState) {

        super .onCreate(savedInstanceState);

        setContentView(R.layout. main );

       

       Button randcontact = (Button)findViewById(R.id. randcontact );

       

       

        randcontact.setOnClickListener( new OnClickListener() {

                     

                      @Override

                      public void onClick(View v) {

                           

                           TextView randTv = (TextView)findViewById(R.id. randtv );

                           

                      List<String> list = new ArrayList<String>();

                            //1，查询raw_contact表获取联系人的id

                            //获取中间人

                           ContentResolver resolver =  getContentResolver();

                            //获取raw_contacts表的 uri

                           Uri uri = Uri.parse( "content://com.android.contacts/raw_contacts");

                            //获取data表的 uri

                           Uri Datauri = Uri.parse( "content://com.android.contacts/data");

                            //查询raw_cantact

                           

                           Cursor cursor =  resolver.query(uri, null , null , null, null );

                            while (cursor.moveToNext()){

                                  String id = cursor.getString(cursor.getColumnIndex("contact_id" ));

                                  Log. v( "5", id);

                                   //2。获取data表

                                  Cursor Datacursor = resolver.query(Datauri, null , "raw_contact_id=?" , new String[]{id}, null);

                                   while (Datacursor.moveToNext()){

                                         String data1 = Datacursor.getString(Datacursor.getColumnIndex("data1" ));

                                         String DataCursor = Datacursor.getString(Datacursor.getColumnIndex("mimetype" ));

                                         list.add(data1);

                                         

                                                randTv.setText(list.toString());

                                  }

                                  Datacursor.close();

                                  

                                   //randTv.setText("----------------------");

                           }

                           cursor.close();

                           

                     }

              });

    }

}