@implementation ViewController

. . .

//create an SBCameraViewController
- (void)launchCameraController {
    // ===> 1. Init a `SBCameraViewController`
    SBCameraViewController *cameraController = [[SBCameraViewController alloc] initWithReviewOptions:reviewOptions initialCaptureType:SBCaptureTypeVideo];

    // ===> 2. Set the `SBCameraViewController's` `delegate`.
    cameraController.captureDelegate = self;

    // ===> 3. Present the `SBCameraViewController`.
    [self presentViewController:cameraController animated:YES completion:nil];
}

. . .

// ===> 4. Handle `SBCaptureViewControllerDelegate` callbacks.
#pragma mark - SBCaptureViewControllerDelegate
- (void)cameraControllerCancelled:(SBCaptureViewController*)controller {
    //The user just attempted to close the controller.
    [self dismissViewControllerAnimated:YES completion:nil];
}

//The SBCaptureViewControllerDelegate protocol inherits from SBReviewControllerDelegate
//hence the different name "reviewController:..."
- (void)reviewController:(SBReviewController*)controller acceptedAsset:(SBAsset*)asset {

    //The user just accepted the SBAsset, do something with it!

    //This is also a good time to dismiss the SBCameraViewController you launched earlier.
    [self dismissViewControllerAnimated:YES completion:nil];
}

@end