在过去的四个小时里,我一直在寻找解决方案,我绝望地发帖。我的应用程序在模拟器、我的 iPhone 和我的 ipad 上运行良好,直到我为我的一个数据模型添加了一个属性。
我的 iPhone 应用程序使用 Core Data 和 iCloud。在 AppDelegate 中,我通过合并两个模型来创建 managedObjectModel。在我尝试保存 ManagedObjectContext 之前,一切似乎都很好。那是它崩溃的时候:
*由于未捕获的异常“NSInternalInconsistencyException”而终止应用程序,原因:“此 NSPersistentStoreCoordinator 没有持久存储。它无法执行保存操作。
这不会发生在模拟器上。
我努力了:
- 项目->清理构建文件夹
- 项目->清洁
- 从我的设备中删除应用程序
- 从我的 iCloud 备份中删除 iCloud 数据
- 重新启动计算机
- 将“.momd”更改为“.mom”并再次返回(在另一个问题中阅读)
谢谢您的帮助。
编辑添加代码:
- (NSPersistentStoreCoordinator *)persistentStoreCoordinator {
if (__persistentStoreCoordinator != nil) {
return __persistentStoreCoordinator;
}
__persistentStoreCoordinator = [[NSPersistentStoreCoordinator alloc] initWithManagedObjectModel: [self managedObjectModel]];
NSPersistentStoreCoordinator *psc = __persistentStoreCoordinator;
// TODO: Set up iCloud in another thread:
//dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^{
NSString *dataFileName = [NSString stringWithFormat:@"%@.sqlite", APP_TITLE_NO_SPACES];
NSString *iCloudDataDirectoryName = @"Data.nosync";
NSString *iCloudLogsDirectoryName = @"Logs";
NSFileManager *fileManager = [NSFileManager defaultManager];
NSURL *localStore = [[self applicationDocumentsDirectory] URLByAppendingPathComponent:dataFileName];
NSURL *iCloud = [fileManager URLForUbiquityContainerIdentifier:nil];
if (iCloud) {
NSURL *iCloudLogsPath = [NSURL fileURLWithPath:[[iCloud path] stringByAppendingPathComponent:iCloudLogsDirectoryName]];
if([fileManager fileExistsAtPath:[[iCloud path] stringByAppendingPathComponent:iCloudDataDirectoryName]] == NO) {
NSError *fileSystemError;
[fileManager createDirectoryAtPath:[[iCloud path] stringByAppendingPathComponent:iCloudDataDirectoryName]
withIntermediateDirectories:YES
attributes:nil
error:&fileSystemError];
if(fileSystemError != nil) {
NSLog(@"Error creating database directory %@", fileSystemError);
}
}
NSString *iCloudData = [[[iCloud path]
stringByAppendingPathComponent:iCloudDataDirectoryName]
stringByAppendingPathComponent:dataFileName];
NSLog(@"iCloudData = %@", iCloudData);
NSDictionary* options = [NSDictionary dictionaryWithObjectsAndKeys:
[NSNumber numberWithBool:YES], NSMigratePersistentStoresAutomaticallyOption,
[NSNumber numberWithBool:YES], NSInferMappingModelAutomaticallyOption,
CLOUD_CONTAINER_IDENTIFIER, NSPersistentStoreUbiquitousContentNameKey,
iCloudLogsPath, NSPersistentStoreUbiquitousContentURLKey, nil];
[psc lock];
[psc addPersistentStoreWithType:NSSQLiteStoreType
configuration:nil
URL:[NSURL fileURLWithPath:iCloudData]
options:options
error:nil];
[psc unlock];
} else {
NSLog(@"iCloud is NOT working - using a local store");
NSMutableDictionary *options = [NSMutableDictionary dictionary];
[options setObject:[NSNumber numberWithBool:YES] forKey:NSMigratePersistentStoresAutomaticallyOption];
[options setObject:[NSNumber numberWithBool:YES] forKey:NSInferMappingModelAutomaticallyOption];
[psc lock];
[psc addPersistentStoreWithType:NSSQLiteStoreType
configuration:nil
URL:localStore
options:options
error:nil];
[psc unlock];
}
__persistentStoreCoordinator = psc;
[[NSNotificationCenter defaultCenter] postNotificationName:NOTIFICATION_ICLOUD_SOMETHING_CHANGED object:nil];
return __persistentStoreCoordinator;
}