TruecallerSdkScope.SDK_OPTION_WITH_OTP)
Otherwise is always Null.TruecallerSDK#init(Context, ProfileCallback) to initialize the instance,
otherwise this method will throw exceptionTruecallerSDK#getUserProfile(Activity), except that it accepts fragment.TruecallerSDK.init(TruecallerSdkScope) instead.
This method has to be called before you can use TruecallerSDK#getUserProfile(Activity) and other methods.
SDK methods will have undesirable behaviour otherwise.
TruecallerSDK#getUserProfile(Activity) and other methods.Activity.onActivityResult(int, int, Intent) of your Activity calls
this method and passes the intent and resultCode.ITrueCallback, that receives profile information at different point
than only during initialization.VerificationCallback#onRequestSuccess(int, String).