ios - willRotateToInterfaceOrientation :duration is deprecated. 实现 viewWillTransitionToSize:withTransitionCoordinator

Question

将我的 xcode 更新到 xcode9 后，我收到了一个已弃用警告列表，但我不知道如何修复它

• “willRotateToInterfaceOrientation:duration:”已弃用:首先在 iOS 8.0 中弃用 - 改为实现 viewWillTransitionToSize:withTransitionCoordinator:
• “willAnimateRotationToInterfaceOrientation:duration:”已弃用:首先在 iOS 8.0 中弃用 - 改为实现 viewWillTransitionToSize:withTransitionCoordinator:
• 'didRotateFromInterfaceOrientation:' 已弃用:首先在 iOS 8.0 中弃用

• 'interfaceOrientation' 已弃用:首先在 iOS 8.0 中弃用

  - (void)viewWillAppear:(BOOL)animated {
      [super viewWillAppear:animated];
  
      [self.view addObserver:self forKeyPath:@"bounds" options:NSKeyValueObservingOptionNew context:nil];
  
      if (!_viewFirstAppeared) {
          _viewFirstAppeared = YES;
  
          void(^applyViews)(void) = ^{
              [self.centerController.view removeFromSuperview];
              [self.centerView addSubview:self.centerController.view];
  
              [self doForControllers:^(UIViewController* controller, IIViewDeckSide side) {
                  [controller.view removeFromSuperview];
                  [self.referenceView insertSubview:controller.view belowSubview:self.slidingControllerView];
              }];
  
              [self setSlidingFrameForOffset:_offset forOrientation:_offsetOrientation];
               self.slidingControllerView.hidden = NO;
  
               self.centerView.frame = self.centerViewBounds;
               self.centerController.view.autoresizingMask = UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight;
               self.centerController.view.frame = self.centerView.bounds;
              [self doForControllers:^(UIViewController* controller, IIViewDeckSide side) {
                  controller.view.frame = self.sideViewBounds;
                  controller.view.autoresizingMask = UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight;
              }];
  
              [self applyShadowToSlidingViewAnimated:NO];
          };
  
          if ([self setSlidingAndReferenceViews]) {
              applyViews();
              applyViews = nil;
          }
  
          dispatch_after(dispatch_time(DISPATCH_TIME_NOW, 0.001 * NSEC_PER_SEC), dispatch_get_main_queue(), ^(void){
              if (applyViews) applyViews();
              [self setSlidingFrameForOffset:_offset forOrientation:_offsetOrientation];
              [self hideAppropriateSideViews];
          });
  
          [self addPanners];
  
          if ([self isSideClosed:IIViewDeckLeftSide] && [self isSideClosed:IIViewDeckRightSide] && [self isSideClosed:IIViewDeckTopSide] && [self isSideClosed:IIViewDeckBottomSide])
              [self centerViewVisible];
          else
              [self centerViewHidden];
          }
      else if (_willAppearShouldArrangeViewsAfterRotation != UIDeviceOrientationUnknown) {
          for (NSString* key in [self.view.layer animationKeys]) {
              [self.view.layer animationForKey:key].duration);
          }
  
          [self willRotateToInterfaceOrientation:self.interfaceOrientation duration:0];
          [self willAnimateRotationToInterfaceOrientation:self.interfaceOrientation duration:0];
          [self didRotateFromInterfaceOrientation:_willAppearShouldArrangeViewsAfterRotation];
      }
  
      [self.centerController viewWillAppear:animated];
      [self transitionAppearanceFrom:0 to:1 animated:animated];
      _viewAppeared = 1;
  }
  

Answer 1

我只是在搜索完全相同的东西，并在 iOS 文档中找到了一些东西，在阅读它之后，因为我的用户仍然使用 iOS 8。我保留了旧的两个功能并添加了一个新功能。

// old ones
- (void)willRotateToInterfaceOrientation:(UIInterfaceOrientation)toInterfaceOrientation duration:(NSTimeInterval)duration {
    [super willRotateToInterfaceOrientation:toInterfaceOrientation duration:duration];
    [self handleInterfaceOrientation];
}

-(void)didRotateFromInterfaceOrientation:(UIInterfaceOrientation)fromInterfaceOrientation {
    [super didRotateFromInterfaceOrientation:fromInterfaceOrientation];
    [self handleInterfaceOrientation];
}
// the new method
- (void)viewWillTransitionToSize:(CGSize)size withTransitionCoordinator:(id<UIViewControllerTransitionCoordinator>)coordinator {
    [super viewWillTransitionToSize:size withTransitionCoordinator:coordinator];
    [coordinator animateAlongsideTransition:^(id<UIViewControllerTransitionCoordinatorContext>  _Nonnull context) {
        // what ever you want to prepare
    } completion:^(id<UIViewControllerTransitionCoordinatorContext>  _Nonnull context) {
        [self handleInterfaceOrientation];
    }];
}

- (void)handleInterfaceOrientation {
    if ([[UIApplication sharedApplication] statusBarOrientation] == UIInterfaceOrientationLandscapeLeft || [[UIApplication sharedApplication] statusBarOrientation] == UIInterfaceOrientationLandscapeRight) {
         // Landscape
    } else {
        // Portrait
    }
}