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imzyf / ios-swift-learning-notes

📝 iOS Swift Learning Notes - see Issues
MIT License
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UIImageWriteToSavedPhotosAlbum() 保存图片到相册 #51

Open imzyf opened 6 years ago

imzyf commented 6 years ago

https://www.hackingwithswift.com/example-code/media/uiimagewritetosavedphotosalbum-how-to-write-to-the-ios-photo-album

UIImageWriteToSavedPhotosAlbum(yourImage, self, #selector(image(_:didFinishSavingWithError:contextInfo:)), nil)
@objc func image(_ image: UIImage, didFinishSavingWithError error: NSError?, contextInfo: UnsafeRawPointer) {
    if let error = error {
        // we got back an error!
        let ac = UIAlertController(title: "Save error", message: error.localizedDescription, preferredStyle: .alert)
        ac.addAction(UIAlertAction(title: "OK", style: .default))
        present(ac, animated: true)
    } else {
        let ac = UIAlertController(title: "Saved!", message: "Your altered image has been saved to your photos.", preferredStyle: .alert)
        ac.addAction(UIAlertAction(title: "OK", style: .default))
        present(ac, animated: true)
    }
}