userOptOut()
From Engineering Client Portal
Engineering Portal 
Digital Android SDK API Reference userOptOut()
This API provides the selection made by user in Nielsen opt-out or opt-in webview screen and pass the value to AppSDK(). Call this API when the user has elected to Opt-out or Opt-in (in the webview).
Syntax
public boolean userOptOut(String optOut)
Input Parameters
| Parameter | Description |
|---|---|
| optOut | String value received back from the Nielsen Opt-out web page. This value is set by the web page and the application is responsible for passing this value back to the SDK without modification. |
Output Parameters
| Output Parameters (Return value) | Description |
|---|---|
| True / False | Returns 'True' if App SDK is currently opted out and returns 'False' if SDK is in opt-in state. |
Notes
The value of the userOptOut state is persisted across application launches on the shared preferences object local to the App SDK.