1、could not start debugserver on...
Restart Xcode and the device[图片上传中...(image.png-519709-1514011547144-0)]
2、出现警告This application is modifying the autolayout engine from a back..
//说明在子线程中执行UI操作了
// 解决方法
dispatch_async(dispatch_get_main_queue()){
//code (update UI)
}
定位问题:
image.png
