读取联系人

// 读取系统联系人    private void readContact() {        // content://com.android.contacts/raw_contacts        // contact_id        // 得到内容解析者        ContentResolver contentResolver = getContentResolver();        Uri uri = Uri.parse("content://com.android.contacts/raw_contacts");        Uri uri1 = Uri.parse("content://com.android.contacts/data");        Cursor cursor = contentResolver.query(uri, new String[] { "_id" },                null, null, null);        while (cursor.moveToNext()) {            String id = cursor.getString(cursor.getColumnIndex("_id"));            Cursor cursor2 = contentResolver.query(uri1, new String[] {                    "data1", "mimetype" }, "contact_id=?", new String[] { id },                    null);            Contacts c = new Contacts();            while (cursor2.moveToNext()) {                String data = cursor2                        .getString(cursor2.getColumnIndex("data1"));                String mimetype = cursor2.getString(cursor2                        .getColumnIndex("mimetype"));                if ("vnd.android.cursor.item/phone_v2".equals(mimetype)) {                    c.setTel(data);                } else if ("vnd.android.cursor.item/name".equals(mimetype)) {                    c.setName(data);                }            }            list.add(c);        }