buttontouchinside1.m

// Before

- (IBAction)buttonTouchUpInside:(id)sender {
    UIButton *buttonPressed = (UIButton*)sender;
    if (buttonPressed == self.messageButton) {
        AYHTReceiverListTableViewController *receiverTableViewController = [[AYHTReceiverListTableViewController alloc] init];
        FPPopoverController *peoplePopover = [[FPPopoverController alloc] initWithViewController:receiverTableViewController];
        peoplePopover.tint = FPPopoverLightGrayTint;
        [peoplePopover presentPopoverFromView:buttonPressed];
        [peoplePopover setShadowsHidden:YES];
    }
}

buttontouchinside2.m

// After

// Implementation at the top of the file:
@implementation AYHTConfRideViewController {
    FPPopoverController *_peoplePopover;
}


- (IBAction)buttonTouchUpInside:(id)sender {
    UIButton *buttonPressed = (UIButton*)sender;
    if (buttonPressed == self.messageButton) {
        AYHTReceiverListTableViewController *receiverTableViewController = [[AYHTReceiverListTableViewController alloc] init];
        _peoplePopover = [[FPPopoverController alloc] initWithViewController:receiverTableViewController];
        _peoplePopover.tint = FPPopoverLightGrayTint;
        [_peoplePopover presentPopoverFromView:buttonPressed];
        [_peoplePopover setShadowsHidden:YES];
    }
}