How to implement a crash tree level folder and expand
1 Introduction
Recently, it has been using swift to write projects, now that he has finished less than half, about 11 can be completed in mid-January, when a series of video, the source code is released. I am the iOS 0 Foundation learning Swift, which has not been experienced in any OBJC, and has spent the past few weeks in a cycle of pit crawls. At present, not only the swift Chinese information is scarce, the English material is very small, many problems to the end or to see the OBJC code, which led me to see the OBJC even with a guess can also clear a 7788. In addition, Daniel of several Swift learning groups is also very enthusiastic, many problems can be pointed to the pain point. The so-called drink from, spare the project last week. Help a Netizen to do a demo, the main function is "How to Achieve Tree folder folding and expansion."
The topic at first glance seems quite bluffing, in fact we usually use, Windows Explorer folder tree, click the minus sign to collapse the current folder and subfolders. Click the plus sign to expand. The demo has a similar function to complete. Just the folder replaced by UITableViewCell. The plus minus sign becomes the click Sectionheader. is a feature demo (uploaded gif picture does not show, please click)
2 Source code Download
This is the station link: http://download.csdn.net/detail/adoaiwen1314/7991993 Note: When executing the demo, please open the agent, this Netizen's site was wall:Http://redian.today/mobi.php?mod=comment&id=218560&type=json
3 FAQs
Demo parsing json This function is somewhat complex, only for a specific data structure, negligible appearance, mainly how to use Sectionheader to implement the hiding and unfolding process. The detailed analysis of the code is not. Questions can be left in the comments in the message.
ios-swift-How to implement crash Tree level folders and expand
