是 ti possibile 用于在相机滚动中保存图片( 与 UIImaage Picker 控制器一起拍摄)
writeImageToSavedPhotosAlbum:metadata:completionBlock
或
UIImageWriteToSavedPhotosAlbum(..)
that allow me to know, iterating the the camera roll using ALAssetsLibrary, in a second moment if the picture was taken by the application? is there a way so to st或e a flag "taken in-app" f或 a picture without making me save the list of url?
感谢 谢谢
您总是可以将此信息添加到元数据中, 可以是 userComment 或 make: model: software: 。
这里有一个关于这个主题的不错的辅导: 将元数据添加到iOS图像中,这很简单
读取元数据:"http://blog.codecropper.com/2011/05/getting-metadata- from-images-on-ios" rel="无跟踪">从iOS上图像获取元数据
For a basic app with nonconsumable in-app purchases, has anyone figured out best practices for using SKPaymentQueue s restoreCompletedTransactions? Observations I know it s recommended to always ...
I am trying to list the contents of Ringtones directory in a TableView, however, I am only getting the last file in the directory in ALL cells, instead of file per cell. This is my code: - (...
I have a UITextField that is a subview of a UITableViewCell. When my view loads, I want the text field to become first responder. I have a pointer to the text field in the table cell, so to do this I ...
I ve been working on adding in-app purchases and was able to create and test in-app purchases using Store Kit (yay!). During testing, I exercised my app in a way which caused the app to crash mid ...
In my app i have a bunch of data i store in the NSUserdefaults. This information consists of an NSObject (Object1) with NSStrings and NSNumbers and also 2 instances of yet another object (Object2). ...
Basically I m downloading images off of a webserver and then caching them to the disk, but before I do so I want to mask them. I m using the masking code everyone seems to point at which can be found ...
I m using this code to resize an image on the iPhone: CGRect screenRect = CGRectMake(0, 0, 320.0, 480.0); UIGraphicsBeginImageContext(screenRect.size); [value drawInRect:screenRect blendMode:...
Is there a simple way of allowing interaction with a button in a UIView that lies under another UIView - where there are no actual objects from the top UIView on top of the button? For instance, ...