通过addTarget传递参数的新Xcode 7.3通常适用于我,但在这种情况下,它会在标题中抛出错误.有任何想法吗?当我尝试将其更改为@objc时,它会抛出另一个
谢谢!
cell.commentButton.addTarget(self, action: #selector(FeedViewController.didTapCommentButton(_:)), forControlEvents: UIControlEvents.TouchUpInside)
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它正在调用的选择器
func didTapCommentButton(post: Post) {
}
Run Code Online (Sandbox Code Playgroud) 我知道这不是一个大问题,但我喜欢我的Github在语言上多元化.我在Swift中编写了一个项目,当我提交时,它表示它在Objective C中.
我想这可能是因为Parse框架是用Objective C编写的,它检测到了,但有没有办法改变主存储库页面上的显示语言?
我的Firebase项目(iOS,用Objective-C编写)工作正常,直到明白,在模拟器上启动应用程序时,它崩溃了,我得到了这条消息:
因未捕获的异常'RepoExists'而终止应用程序,原因是:'createRepo调用已存在的Repo.'
我已经尝试删除派生数据,重新启动Xcode等,但无济于事,我无法在Stack Overflow,Google或Firebase文档上找到任何有关此崩溃的信息.有没有人有任何想法?
谢谢您的帮助.
所以我想在加载屏幕上设置UIImageView动画,我被告知内置的"animationImages"方法会占用大量内存并且编程错误所以我不会使用它,我也有问题但是除此之外.
下面的代码几乎可以工作,但即使我放了3秒,它的动画也太快了.
func animate() {
UIView.animateWithDuration(3, animations: { () -> Void in
self.logoImageView.image = UIImage(named: "00")
self.logoImageView.image = UIImage(named: "02")
self.logoImageView.image = UIImage(named: "03")
self.logoImageView.image = UIImage(named: "04")
self.logoImageView.image = UIImage(named: "05")
self.logoImageView.image = UIImage(named: "06")
self.logoImageView.image = UIImage(named: "07")
self.logoImageView.image = UIImage(named: "08")
self.logoImageView.image = UIImage(named: "09")
self.logoImageView.image = UIImage(named: "10")
self.logoImageView.image = UIImage(named: "11")
self.logoImageView.image = UIImage(named: "12")
self.logoImageView.image = UIImage(named: "13")
self.logoImageView.image = UIImage(named: "14")
self.logoImageView.image = UIImage(named: "15")
self.logoImageView.image = UIImage(named: "16")
self.logoImageView.image = UIImage(named: "17") …Run Code Online (Sandbox Code Playgroud) ios ×2
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