View source for How to set custom sytem property

The system provides the AIDL interface to set the custom system property, When connect the service, the package name is com.wizarpos.wizarviewagentassistant, and the class name is com.wizarpos.wizarviewagentassistant.SystemExtApiService. When the application uses the interface, it must import wizarviewagentassistant and add permissions to the Android manifest file.
== Permission ==
The application declares the following permissions in the manifest：
  android.permission.CLOUDPOS_SET_PROP

== API Overview ==
=== <big>setUsrProp</big>===
   <syntaxhighlight lang="java">boolean setUsrProp(String key, String value);</syntaxhighlight>
Set custom system property, the system can only support 10 group of key-values.

{|class="wizarpostable"
|-
! scope="row" colspan="2" | Parameters
|-
| key|| '''String:'''  property's key, length less than 16. for example: persist.wp.usr.${key} ${value}. 
| value|| '''String:'''  property's value, length less than 32.  
|}

{|class="wizarpostable"
|-
!  scope="row" colspan="2" | Returns
|-
|  boolean || true or false.
|}