我需要将图像保存在 iOS 中的自定义文件夹位置。当图像保存在设备的默认位置时,我使用了以下代码来保存图像。
UIGraphics.BeginImageContext(nativechart.Frame.Size);
nativechart.Layer.RenderInContext(UIGraphics.GetCurrentContext());
UIImage image = UIGraphics.GetImageFromCurrentImageContext();
UIGraphics.EndImageContext();
//Captured chart image will save into photo album
image.SaveToPhotosAlbum(new UIImage.SaveStatus(delegate (UIImage img, NSError error) { }));
////save image
NSData data = image.AsJPEG(1.0f);
NSFileManager fileManager = NSFileManager.DefaultManager;
string[] paths = NSSearchPath.GetDirectories(NSSearchPathDirectory.PicturesDirectory, NSSearchPathDomain.All, true);
string documentsDirectory = paths[0];
string fullPath = documentsDirectory + "/" + filename;
fileManager.CreateFile(fullPath, data, new NSDictionary());
你能帮我把图片保存到自定义文件夹位置吗?
最佳答案
下面是将图片保存到文档目录的代码
var photo = yourImageFile as UIImage;
var documentsDirectory = Environment.GetFolderPath
(Environment.SpecialFolder.Personal);
var directoryname = Path.Combine(documentsDirectory, "FolderName");
Directory.CreateDirectory(directoryname);
string jpgFilename = System.IO.Path.Combine (directoryname, "Photo.jpg"); // hardcoded filename, overwritten each time. You can make it dynamic as per your requirement.
NSData imgData = photo.AsJPEG();
NSError err = null;
if (imgData.Save(jpgFilename, false, out err)) {
Console.WriteLine("saved as " + jpgFilename);
} else {
Console.WriteLine("NOT saved as " + jpgFilename + " because" + err.LocalizedDescription);
}
来源Link
关于ios - 如何以编程方式将图像保存在自定义位置?,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/46296473/