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85 lines
3.5 KiB
85 lines
3.5 KiB
//
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// AppDelegate.m
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// HC
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//
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// Created by huilinLi on 2025/11/17.
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//
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#import "AppDelegate.h"
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@interface AppDelegate ()
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@end
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@implementation AppDelegate
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- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
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// Override point for customization after application launch.
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return YES;
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}
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#pragma mark - UISceneSession lifecycle
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- (UISceneConfiguration *)application:(UIApplication *)application configurationForConnectingSceneSession:(UISceneSession *)connectingSceneSession options:(UISceneConnectionOptions *)options {
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// Called when a new scene session is being created.
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// Use this method to select a configuration to create the new scene with.
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return [[UISceneConfiguration alloc] initWithName:@"Default Configuration" sessionRole:connectingSceneSession.role];
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}
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- (void)application:(UIApplication *)application didDiscardSceneSessions:(NSSet<UISceneSession *> *)sceneSessions {
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// Called when the user discards a scene session.
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// If any sessions were discarded while the application was not running, this will be called shortly after application:didFinishLaunchingWithOptions.
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// Use this method to release any resources that were specific to the discarded scenes, as they will not return.
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}
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#pragma mark - Core Data stack
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@synthesize persistentContainer = _persistentContainer;
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- (NSPersistentContainer *)persistentContainer {
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// The persistent container for the application. This implementation creates and returns a container, having loaded the store for the application to it.
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@synchronized (self) {
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if (_persistentContainer == nil) {
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_persistentContainer = [[NSPersistentContainer alloc] initWithName:@"HC"];
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[_persistentContainer loadPersistentStoresWithCompletionHandler:^(NSPersistentStoreDescription *storeDescription, NSError *error) {
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if (error != nil) {
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// Replace this implementation with code to handle the error appropriately.
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// abort() causes the application to generate a crash log and terminate. You should not use this function in a shipping application, although it may be useful during development.
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/*
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Typical reasons for an error here include:
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* The parent directory does not exist, cannot be created, or disallows writing.
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* The persistent store is not accessible, due to permissions or data protection when the device is locked.
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* The device is out of space.
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* The store could not be migrated to the current model version.
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Check the error message to determine what the actual problem was.
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*/
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NSLog(@"Unresolved error %@, %@", error, error.userInfo);
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abort();
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}
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}];
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}
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}
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return _persistentContainer;
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}
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#pragma mark - Core Data Saving support
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- (void)saveContext {
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NSManagedObjectContext *context = self.persistentContainer.viewContext;
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NSError *error = nil;
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if ([context hasChanges] && ![context save:&error]) {
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// Replace this implementation with code to handle the error appropriately.
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// abort() causes the application to generate a crash log and terminate. You should not use this function in a shipping application, although it may be useful during development.
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NSLog(@"Unresolved error %@, %@", error, error.userInfo);
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abort();
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}
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}
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@end
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