iOS 在AppDelegate.m文件里请求返回的ViewController出现bug

//[self returnViewController];

  • (UIViewController*)returnViewController {

    CGRect calendarFrame = CGRectMake(0, 0, 320, 568);
    calendarFrame.size.height -= 44;

    CalendarViewController *calendar=[[CalendarViewController alloc]init];
    calendar.view.frame=calendarFrame;

    return calendar;

}
//bug
*** Terminating app due to uncaught exception 'NSInternalInconsistencyException', reason: '-[UIViewController _loadViewFromNibNamed:bundle:] loaded the "CalendarView" nib but the view outlet was not set.'

1, 打开xib文件

2, 点击"File‘s Owner",设置Class为xxxViewControler

3, 右键"Files‘s Owner", 里面有个默认的IBOutlet变量view, 看一下后面有没有做关联,如果没有就拉到下面的View和视图做个关联

xib文件没有设置输出口

检查一下 Xib 中 CalendarViewController 的连线 (IBOutlet),应该有异常的连线,删除掉重新连一次