https://www.jianshu.com/p/c9b52d5525e6

一、基础知识： 1、可选绑定： let tempString = dic["name"] let name = tempString as? S...

1.程序被手动杀死 - (void)applicationWillTerminate:(UIApplication*)application{ ...

// // ReleaseViewController.m // RoadVehicles // // Created by ENERGY on...

// // AppDelegate.m // NewAppBase // // Created by ENERGY on 2018/5/17. ...

#pragma mark - CRMediaPickerControllerDelegate //选取视频或图片后，返回到控制器的时候调用 - ...