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我正在使用icarousel显示来自我的firebase数据库的图像。我有五个UIImages在icarousel中显示firebase图像
var ImageOne = UIImage()
var ImageTwo = UIImage()
var ImageThree = UIImage()
var ImageFour = UIImage()
var ImageFive = UIImage()
而且我用这个代码从火力存储所有五个图像到我的UIImages
if let stringImage5 = self.imagesFive {
AppDelegate.instance().showActivityIndicator()
let imageRef = self.storage.reference(forURL: "gs://gsignme-14416.appspot.com/images/\(stringImage5)")
imageRef.data(withMaxSize: 25 * 1024 * 1024, completion: { (data, error) -> Void in
if error == nil {
AppDelegate.instance().dismissActivityIndicator()
self.ImageFive = UIImage(data: data!)!
}else {
print("Error downloading image:")
}
})}
现在,我要显示在icarousel图像,为了做到这一点我必须把它们放进一个数组,所以我这样做:
imageArray = [self.ImageOne, self.ImageTwo, self.ImageThree, self.ImageFour, self.ImageFive]
现在,这个功能应该显示所有五个图片:
func carousel(_ carousel: iCarousel, viewForItemAt index: Int, reusing view: UIView?) -> UIView {
var imageView: UIImageView!
imageView.image = UIImage(imageArray = [self.ImageOne, self.ImageTwo, self.ImageThree, self.ImageFour, self.ImageFive])
return imageView
}
但是没有显示图像。
我忘了提,在最高层VAR imageArray变量:[UIImage] = []和imageArray = []在我的viewdidLoad中,所以func传送带中的返回imageView没有返回图像 – juelizabeth