1.删除Scenedelegate的".h"和".m"文件
2.删除Info.plist文件中的Application Scene Manifest配置;
3.删除AppDelegate.m文件中的两个管理Scenedelegate生命周期代理方法
pragma mark - UISceneSession lifecycle
(UISceneConfiguration )application:(UIApplication )application configurationForConnectingSceneSession:(UISceneSession )connectingSceneSession options:(UISceneConnectionOptions )options { // Called when a new scene session is being created. // Use this method to select a configuration to create the new scene with. return [[UISceneConfiguration alloc] initWithName:@"Default Configuration" sessionRole:connectingSceneSession.role]; }
(void)application:(UIApplication )application didDiscardSceneSessions:(NSSet> *)sceneSessions { // Called when the user discards a scene session. // If any sessions were discarded while the application was not running, this will be called shortly after application:didFinishLaunchingWithOptions. // Use this method to release any resources that were specific to the discarded scenes, as they will not return. }
4.在AppDelegate.h中,添加window属性
@property (strong, nonatomic) UIWindow *window;
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