NSZombie在didSelectRowAtIndexPath方法
问题描述:
我有一个有趣的问题,我似乎无法找出为什么它正在发生,可能是小东西,我俯瞰。NSZombie在didSelectRowAtIndexPath方法
我有一个UITableView和我didselectrowatindex路径我浏览到一个新的观点,我然后导航到下一个视图和流行两种观点,回到第一,然后应用程序崩溃与EXC_BAD_ACCESS
所以我使用的仪器和NSZombie,发现didSelectRowAtIndexPath方法一个malloc,但我不知道为什么
这里是我的代码:
if([workflowswithdirectories count] == 0)
{
WorkflowViewController *aWorkFlow = [[WorkflowViewController alloc] init];
MenuObject *obj = [workflownames objectAtIndex:[indexPath row]];
aWorkFlow.heading = obj.name;
aWorkFlow.workId = obj.workflowid;
aWorkFlow.siteId = obj.siteid;
aWorkFlow.item = obj;
[self.navigationController pushViewController:aWorkFlow animated:YES];
}
else if([workflownames count] == 0)
{
WorkflowListViewController *work = [[WorkflowListViewController alloc] init];
work.siteId = self.siteId;
MenuObject *obj = [workflowswithdirectories objectAtIndex:[indexPath row]];
work.menu = obj.next;
work.heading = obj.name;
[self.navigationController pushViewController:work animated:YES];
}
else
{
if([indexPath section] == 0)
{
WorkflowListViewController *work = [[WorkflowListViewController alloc] init];
work.siteId = self.siteId;
MenuObject *obj = [workflowswithdirectories objectAtIndex:[indexPath row]];
work.menu = obj.next;
work.heading = obj.name;
[self.navigationController pushViewController:work animated:YES];
}
else
{
WorkflowViewController *aWorkFlow = [[WorkflowViewController alloc] init];
MenuObject *obj = [workflownames objectAtIndex:[indexPath row]];
aWorkFlow.heading = obj.name;
aWorkFlow.workId = obj.workflowid;
aWorkFlow.siteId = obj.siteid;
aWorkFlow.item = obj;
[self.navigationController pushViewController:aWorkFlow animated:YES]; //Malloc is on this line
}
}
[tableView deselectRowAtIndexPath:indexPath animated:YES];
编辑:
事情我忘了提的是,在某些情况下,我推这个相同的类到navigationcontroller的一个又一个,但去的时候到WorkflowViewController,然后到下一个视图控制器,然后再两倍抛出异常
它只
答
为了记忆和效率的缘故,让所有的UIViewControllers强大的属性(支持iVar)来保证它们在任何有用的地方保持足够长的时间。
如果有什么你做了新的ViewController强大的属性,而不是一个方法伊娃。这会给你一个保证,它不会太早发布。 – CodaFi 2012-03-26 20:59:22
当您尝试访问已释放的对象时,会发生EXC_BAD_ACCESS错误。您应该在用于回弹到原始视图的方法上发布代码片段。你提到你至少推动了另一种观点。也许你正在释放那里的对象? – Justin 2012-03-26 21:00:33
你能告诉我们didSelectRowAtIndexPath方法吗?只需粘贴你的整个回溯。要从终端了解更多关于错误的信息,请使用malloc_history。 – 2012-03-26 21:01:57