do you need to judge the system version number when introducing the header file library?
our app supports iOS8.0 at a minimum. I now need to use a library that is only available in iOS9.0. In this case, do you need to judge the system version when you use the import library?
(the relevant code has been versioned)
project is online, so I'll answer it myself. For the header file introduced by
, if you only consider the system version, you don't need to judge, just introduce it directly, and there will be no problem. You only need to add judgment to the specific code logic
Previous: What is the principle of Douyu's playback format and player?
Next: Why should the Git feature branch be pulled from the dev branch?
want to achieve an effect, such as album APP, select photos, long press to select multiple photos, when the gesture slides to the bottom of the screen, the view will automatically scroll up to allow users to select more pictures, how should this functio...
problem description when you do IM live chat, when you receive a message, you will display a small red corner sign on the icon of App, and there are several unread messages. Then the chat list shows the number of unread messages for a specific person,...
iOS uses pod to search and install DifferenceKit prompts that the installation failed and could not be found. Is there any way to solve it? Or the problem of uploading by the author himself. All other pod libraries are normal: Unable to find a pod wit...