public class MainActivity extends Activity {

    private Button btn_read;

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

        btn_read = (Button) findViewById(R.id.btn_read);
        btn_read.setOnClickListener(new buttonLisnter());
    }

    class buttonLisnter implements OnClickListener {

        @Override
        public void onClick(View v) {
            // 查询raw_contact表获取联系人ID
            ContentResolver resolver = getContentResolver();

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

            Cursor cursor = resolver.query(uri, null, null, null, null);
            while (cursor.moveToNext()) {
                String id = cursor.getString(cursor
                        .getColumnIndex("contact_id"));
                System.out.println("id====" + id);
                Cursor dataCursor = resolver.query(datauri, null,
                        "raw_contact_id=?", new String[] { id }, null);
                while (dataCursor.moveToNext()) {
                    String data1 = dataCursor.getString(dataCursor
                            .getColumnIndex("data1"));
                    String mimetype = dataCursor.getString(dataCursor
                            .getColumnIndex("mimetype"));
                    System.out.println("data1=" + data1
                            + "--------------mimetype=" + mimetype);
                }
                dataCursor.close();
                System.out.println("XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX");
            }
            cursor.close();
        }

    }

}

case R.id.btn_write:
                // 向raw_contact表里调价联系人的id
                ContentResolver reslo = getContentResolver();
                // 获取raw_contact对应的uri
                Uri uri1 = Uri
                        .parse("content://com.android.contacts/raw_contacts");
                Uri datauri1 = Uri.parse("content://com.android.contacts/data");
                ContentValues values = new ContentValues();
                Cursor cursor1 = reslo.query(uri1, new String[] { "_id" },
                        null, null, null);
                cursor1.moveToNext();
                int lastId = cursor1.getInt(0);
                int newId = lastId + 1;
                values.put("_id", newId);
                reslo.insert(uri1, values);
                // 添加data1
                ContentValues phoneValues = new ContentValues();
                phoneValues.put("data1", "88888888888");
                phoneValues.put("mimetype", "vnd.android.cursor.item/phone_v2");
                phoneValues.put("raw_contact_id", newId);
                reslo.insert(datauri1, phoneValues);

                ContentValues emailValues = new ContentValues();
                emailValues.put("data1", "admin@yyd.com");
                emailValues.put("mimetype", "vnd.android.cursor.item/email_v2");
                emailValues.put("raw_contact_id", newId);
                reslo.insert(datauri1, emailValues);

                ContentValues nameValues = new ContentValues();
                nameValues.put("data1", "admin@yyd.com");
                nameValues.put("mimetype", "vnd.android.cursor.item/name");
                nameValues.put("raw_contact_id", newId);
                reslo.insert(datauri1, nameValues);

                Toast.makeText(MainActivity.this, "插入OK", Toast.LENGTH_LONG)
                        .show();

                break;