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我有一个从库加载的collectionview.Currently所有图像列出。但最古老的图像列出first.I希望显示它们从最新显示第一到最古老。如何做这个??如何将图像从最新到最旧显示到collectionviewe
下面的代码是什么我currenly using.How更新此序从开始最新列表,图像,历史最悠久的
if PHPhotoLibrary.authorizationStatus() == PHAuthorizationStatus.Authorized
{
let collection:PHFetchResult = PHAssetCollection.fetchAssetCollectionsWithType(.SmartAlbum, subtype: .SmartAlbumUserLibrary, options: nil)
var i = 0
repeat
{
if (collection.count > 0)
{
if let first_Obj:AnyObject = collection.objectAtIndex(i)
{
self.assetCollection = first_Obj as! PHAssetCollection
}
i += 1
}
}while(i < collection.count)
}