android 校验字符串是否蓝牙地址的方法

    private static final int ADDRESS_LENGTH = 17;

    public static boolean checkBluetoothAddress(String address) {
        if (address == null || address.length() != ADDRESS_LENGTH) {
            return false;
        }
        for (int i = 0; i < ADDRESS_LENGTH; i++) {
            char c = address.charAt(i);
            switch (i % 3) {
                case 0:
                case 1:
                    if ((c >= '0' && c <= '9') || (c >= 'A' && c <= 'F')) {
                        // hex character, OK
                        break;
                    }
                    return false;
                case 2:
                    if (c == ':') {
                        break;  // OK
                    }
                    return false;
            }
        }
        return true;
    }