View source for How to Write Customer Serial Numbers (SN)

== System Interface for Customer SN ==
* '''AIDL Interface:''' The system offers an AIDL interface to write customer SNs.
* '''Service Connection:'''
** '''Package Name:''' ''''com.wizarpos.system.settings''''
** '''Class Name:''' ''''com.wizarpos.system.settings.service.CustomSnApiService''''
== Required Permission ==
* '''Add Permission''': Include ''''android.permission.CLOUDPOS_UPDATE_CUSTOM_SERIAL_NUMBER'''' in your application to utilize this feature.
== API Usage ==
* '''API Function:''' ''''writerSn'''' is used for writing the customer serial number.
   <syntaxhighlight lang="java">int writerSn(String sn);</syntaxhighlight>
* '''Write customer SN:'''
{|class="wizarpostable"
|-
! scope="row" colspan="2" | Parameters
|-
| String || customer SN
|}

{|class="wizarpostable"
|-
!  scope="row" colspan="2" | Returns
|-
|  int|| Result.
|}

== File Download ==
Please download the [http://ftp.wizarpos.com/advanceSDK/ICustomSnApi.aidl AIDL file].