我有一个奇怪的崩溃，我不知道如何调试......这是代码：
-(void) addEventButtonPressed:(UIButton*)button{
DLog(@"Add new event");
// If event is nil, a new event is created and added to the specified event store. New events are
// added to the default calendar. An exception is raised if set to an event that is not in the
// specified event store.
// When add button is pushed, create an EKEventEditViewController to display the event.
EKEventEditViewController *addController = [[EKEventEditViewController alloc] initWithNibName:nil bundle:nil];
// set the addController's event store to the current event store.
addController.eventStore = self.eventStore;
addController.editViewDelegate = self;
// present EventsAddViewController as a modal view controller
[self presentModalViewController:addController animated:YES];
}
我的应用程序在这一行经过很长时间后崩溃：[self presentModalViewController:addController animated:YES];
我正在使用 ARC。有什么线索吗？谢谢！
我的控制台说只是EXC_BAD_ACCESS(code=2, address=0xbf7ffff4)
[编辑] 它似乎eventStore需要在传递给它之前进行初始化，addController否则你会崩溃。就我而言，它是零。