Android 获取手机联系人代码

        ContentResolver resolver = getContentResolver();        // 1. 查询raw_contacts表，把联系人的id取出来        Uri uri = Uri.parse("content://com.android.contacts/raw_contacts");        Uri datauri = Uri.parse("content://com.android.contacts/data");        Cursor cursor = resolver.query(uri, new String[] { "contact_id" },                null, null, null);        while (cursor.moveToNext()) {            String id = cursor.getString(0);            if (id != null) {                System.out.println("联系人id：" + id);                // 2. 根据联系人的id，查询data表，把这个id的数据取出来                // 系统api 查询data表的时候 不是真正的查询data表 而是查询的data表的视图                Cursor dataCursor = resolver.query(datauri, new String[] {                        "data1", "mimetype" }, "raw_contact_id=?",                        new String[] { id }, null);                ContactInfo info = new ContactInfo();                while (dataCursor.moveToNext()) {                    String data1 = dataCursor.getString(0);                    String mimetype = dataCursor.getString(1);                    if ("vnd.android.cursor.item/name".equals(mimetype)) {                         System.out.println("姓名=" + data1);                    } else if ("vnd.android.cursor.item/email_v2"                         .equals(mimetype)) {                         System.out.println("邮箱=" + data1);                    } else if ("vnd.android.cursor.item/phone_v2"                            .equals(mimetype)) {                        info.phone = data1;                        System.out.println("电话=" + data1);                    }                    } else if ("vnd.android.cursor.item/im".equals(mimetype)){                         System.out.println("QQ=" + data1);                     }                }                dataCursor.close();            }        }        cursor.close();