- (IBAction)showPicker:(id)sender
{
    [sender resignFirstResponder]; //does not work
    [self.taskTitle resignFirstResponder]; //works
    [UIView beginAnimations:@"slideIn" context:nil];
    [datePicker setCenter:CGPointMake(datePicker.center.x, self.view.frame.size.height - datePicker.frame.size.height/2)];
    [UIView commitAnimations];
}