protected override void Dispose(bool disposing)
{
if (disposing)
{
db.Dispose();
}
base.Dispose(disposing);
}
private void CreateNewContext()
{
if (_context != null)
{
if (_context.RespondsToSelector(new Selector("invalidate")))
{
_context.Invalidate();
}
_context.Dispose();
}
CreateLaContext();
}
public async Task <LocalAuthResult> AuthenticateAsync(string reason)
{
var context = new LAContext
{
LocalizedFallbackTitle = "Fallback" // iOS 8
};
if (UIDevice.CurrentDevice.CheckSystemVersion(10, 0))
{
context.LocalizedCancelTitle = "Cancel"; // iOS 10
}
if (UIDevice.CurrentDevice.CheckSystemVersion(11, 0))
{
context.LocalizedReason = reason; // iOS 11
}
var rs = await AuthOnMainThreadAsync(context, reason);
context.Dispose();
return(rs);
}
public static bool HaveBiometricsLogin()
{
var context = new LAContext();
NSError AuthError;
if (context.CanEvaluatePolicy(LAPolicy.DeviceOwnerAuthenticationWithBiometrics, out AuthError))
{
context.Dispose();
return true;
}
return false;
}