iOS 3D Touch Peek/Pop with Storyboards

Question

peek/pop을 스토리 보드가 아닌 Objective-C 프로젝트에서 작동 시키려고하는데 흐림 배경 대신 흰색 배경이 계속 나타납니다. 나는 시뮬레이터와 iPhone에서 시험해 보았다.

- (UIViewController *)previewingContext:(id<UIViewControllerPreviewing>)previewingContext viewControllerForLocation:(CGPoint)location{ 
if ([self.presentedViewController isKindOfClass:[LoadTreatmentDetailViewController class]]) { 
    return nil; 
} 

NSIndexPath *indexPath = [self.loadTreatmentsTableView indexPathForRowAtPoint:location]; 

if(indexPath){ 
    AllTreatmentsTableViewCell *tableCell = [self.loadTreatmentsTableView cellForRowAtIndexPath:indexPath]; 

    if(tableCell.treatment){ 
     LoadTreatmentDetailViewController *previewController = [[LoadTreatmentDetailViewController alloc] initWithTreatment:tableCell.treatment withContext:self.context]; 
     if(previewController){ 
      previewController.preferredContentSize = CGSizeMake(0.0, 0.0); 
      previewingContext.sourceRect = tableCell.frame; 

      return previewController; 
     } 
    } 
} 
return nil; 
} 

- (void)previewingContext:(id<UIViewControllerPreviewing>)previewingContext commitViewController:(UIViewController *)viewControllerToCommit{ 
[self presentViewController:viewControllerToCommit animated:YES completion:nil]; 
} 

- (void)traitCollectionDidChange:(UITraitCollection *)previousTraitCollection { 
[super traitCollectionDidChange:previousTraitCollection]; 
if([self isForceTouchAvailable]){ 
    if(!self.previewingContext){ 
     self.previewingContext = [self registerForPreviewingWithDelegate:self sourceView:self.view]; 
    } 
}else{ 
    if(self.previewingContext){ 
     [self unregisterForPreviewingWithContext:self.previewingContext]; 
     self.previewingContext = nil; 
    } 
} 
} 

- (BOOL)isForceTouchAvailable { 
BOOL isForceTouchAvailable = NO; 
if([self.traitCollection respondsToSelector:@selector(forceTouchCapability)]){ 
    isForceTouchAvailable = self.traitCollection.forceTouchCapability == UIForceTouchCapabilityAvailable; 
} 
return isForceTouchAvailable; 
} 

가능합니까?

도움 주셔서 감사합니다.

Answer 1

내가 Scrollview에 사용했던 UIA 장 애물이었다.