/// <summary>
/// This will return true if a pincode is required before the app can be accessed.
/// </summary>
/// <returns></returns>
public static bool IsPincodeRequired()
{
AuthStorageHelper auth = GetAuthStorageHelper();
// a flag is set if the timer was exceeded at some point. Automatically return true if the flag is set.
bool required = auth.RetrieveData(PincodeRequired) != null;
if (required)
{
PlatformAdapter.SendToCustomLogger("AuthStorageHelper.IsPincodeRequired - Pincode is required", LoggingLevel.Verbose);
return(true);
}
if (IsPincodeSet())
{
MobilePolicy policy = GetMobilePolicy();
if (policy != null)
{
string time = auth.RetrieveData(PinBackgroundedTimeKey);
if (time != null)
{
DateTime previous = DateTime.Parse(time);
DateTime current = DateTime.Now.ToUniversalTime();
TimeSpan diff = current.Subtract(previous);
if (diff.Minutes >= policy.ScreenLockTimeout)
{
// flag that requires pincode to be entered in the future. Until the flag is deleted a pincode will be required.
auth.PersistData(true, PincodeRequired, time);
PlatformAdapter.SendToCustomLogger("AuthStorageHelper.IsPincodeRequired - Pincode is required", LoggingLevel.Verbose);
return(true);
}
}
}
}
// We aren't requiring pincode, so remove the flag.
auth.DeleteData(PincodeRequired);
PlatformAdapter.SendToCustomLogger("AuthStorageHelper.IsPincodeRequired - Pincode is not required", LoggingLevel.Verbose);
return(false);
}