iOS15 适配中,持续更新

1.Xcode13 必须用这个模式

File -> Workspace Setting ->New Build System
这个模式下项目中或有多余的md ,plist文件需要删除

2.Building for iOS Simulator, but the linked framework 'xxxxx.framework' was built for iOS.

Build settings -> Vailidate Workspace 设置成YES

3.NavigationBar背景颜色失效，有的变白色，有的变黑色问题

     UINavigationBarAppearance *barApp = [UINavigationBarAppearance new];
        barApp.titleTextAttributes = @{NSForegroundColorAttributeName: [UIColor blackColor],
                                       NSFontAttributeName: [UIFont systemFontOfSize:16 weight:UIFontWeightMedium]};
        barApp.backgroundColor = UIColor.whiteColor;
        self.navigationController.navigationBar.scrollEdgeAppearance = barApp; // 可滑动界面配置
        self.navigationController.navigationBar.standardAppearance = barApp; // 普通页面配置
    }else{
        self.navigationController.navigationBar.backgroundColor = UIColor.whiteColor;
        [self.navigationController.navigationBar setBarTintColor:UIColor.whiteColor];
        [self.navigationController.navigationBar setBackgroundImage:[UIImage imageWithColor:UIColor.whiteColor] forBarMetrics:(UIBarMetricsDefault)];
        [self.navigationController.navigationBar setShadowImage:[UIImage imageWithColor:UIColor.whiteColor]];
    }
    

4.UITableView新增sectionHeaderTopPadding会使表头新增一段间隙，默认为UITableViewAutomaticDimension

// 此为全局配置，可在AppDelegate中全局统一配置
if (@available(iOS 15.0, *)) {
        [UITableView appearance].sectionHeaderTopPadding = 0;
    }

// 此方法为单一设置某个tableview
  if (@available(iOS 15.0, *)) {
        _tableView.sectionHeaderTopPadding = 0;
    }

5.Encountered an error communicating with IBAgent-iOS.

解决方案如下：
重启清理Xcode缓存，重启Xcode。（如果依然存在，那就重启清理完重启下电脑。

TabBarItem失效

UITabBarItem *tabBarItem = [UITabBarItem appearance];
NSDictionary *attributes = [NSDictionary dictionaryWithObjectsAndKeys:DARKGRAYCOLOR,NSForegroundColorAttributeName,nil];
NSDictionary *selectAttributes =[NSDictionary dictionaryWithObjectsAndKeys:BLUECOLOR,NSForegroundColorAttributeName, nil];
    
if (@available(iOS 15.0, *)) {
    UITabBarAppearance * appearance = [UITabBarAppearance new];
    appearance.shadowColor = [UIColor clearColor];
    appearance.stackedLayoutAppearance.normal.titleTextAttributes = attributes;
    appearance.stackedLayoutAppearance.selected.titleTextAttributes = selectAttributes;
    self.tabBar.standardAppearance = appearance;
} else {
    [tabBarItem setTitleTextAttributes:attributes forState:UIControlStateNormal];
    [tabBarItem setTitleTextAttributes:selectAttributes forState:UIControlStateSelected];
}

6.增加UISheetPresentationController，通过它可以控制 Modal 出来的 UIViewController 的显示大小，且可以通过拖拽手势在不同大小之间进行切换。只需要在跳转的目标 UIViewController 做如下处理

UISheetPresentationController *presentation = [UISheetPresentationController new];
    // 显示时支持的尺寸
    presentation.detents = @[UISheetPresentationControllerDetent.largeDetent,UISheetPresentationControllerDetent.mediumDetent]
    // 显示一个指示器表示可以拖拽调整大小
    presentation.prefersGrabberVisible = YES;

7.UIImageWriteToSavedPhotosAlbum存储图片之后的回调不再返回图片了，会返回nil，如果在回调方法里面操作image有可能会直接Crash，目前的解决办法声明一个全局image去记录，后面再去操作

self.image = image;
UIImageWriteToSavedPhotosAlbum(image,self,@selector(image:didFinishSavingWithError:contextInfo:), NULL);
            
- (void)image:(UIImage *)image didFinishSavingWithError:(NSError *)error contextInfo:(void *)contextInfo{
    // self.image doing...
}

8.iOS15 carplay无法链接

因为旧的MPPlayableContentManager 的api只支持到iOS14 ,iOS15强制使用carplay.framework和Scene Session api 去实现carplay功能导致iOS13以下carplay版本无法兼容