我在uiimagepicker alloc和init以及信号分割11错误时使用了以下代码应用程序意外崩溃
NSURLConnection * connection = [[NSURLConnection alloc]
initWithRequest:request
delegate:self startImmediately:NO];
[connection scheduleInRunLoop:[NSRunLoop mainRunLoop]
forMode:NSDefaultRunLoopMode];
[connection start];