private void FindImageByUrl(NSString url)
{
var fn = tempDirectory.AppendPathComponent(url.LastPathComponent);
if (File.Exists(fn))
{
File.Delete(fn);
}
// Replacing host to punycode to handle multi-byte domain
var r = new Regex(Regex.Escape(url.PathComponents[1]));
var punycoded = new IdnMapping().GetAscii(url.PathComponents[1]);
var replacedUrl = r.Replace(url, punycoded, 1);
try
{
using (var client = new WebClient())
{
client.DownloadFile(replacedUrl, fn);
}
}
catch
{
ShowAlertOnWindow("画像のダウンロードに失敗しました", "エラー", NSAlertStyle.Critical);
return;
}
FindImage(fn);
}
void OnFileSelect(string fileName)
{
var currentPath = new NSString(CurrentPath);
var newPath = currentPath.AppendPathComponent(new NSString(fileName)).ToString();
NavigationController.PushViewController(new FileViewController(newPath), true);
}
void OnFolderSelect(string directoryName)
{
var currentPath = new NSString(CurrentPath);
var newPath = currentPath.AppendPathComponent(new NSString(directoryName));
NavigationController.PushViewController(new PathViewController(
newPath.ToString()), true);
}
public void ReadFile()
{
try
{
// Gets the direct path to the file
NSString folderPath = dataPath.AppendPathComponent(new NSString("testfile.txt"));
// Handle the data and read it from the specific path
NSFileHandle nsfh = NSFileHandle.OpenRead(folderPath);
// Gets the data from the file
NSData data = nsfh.ReadDataToEndOfFile();
string text = data.ToString();
}
catch (Exception ex)
{
// Failed read data from a file
}
}
public void CreateFolder()
{
try
{
NSString foldername = new NSString("MyFolder");
documentsDirectory = new NSString(path[0]);
dataPath = documentsDirectory.AppendPathComponent(foldername);
NSFileManager.DefaultManager.CreateDirectory(dataPath, false, null);
}catch (Exception ex)
{
}
}
void SendToInstagram(UIImage image)
{
NSUrl instagramURL = new NSUrl("instagram://");
if (UIApplication.SharedApplication.CanOpenUrl(instagramURL))
{
UIImage imageToUse = PhotoService.Rotate(image, image.Orientation);
NSString documentDirectory = (new NSString(Environment.GetFolderPath(Environment.SpecialFolder.Personal)));
string saveImagePath = documentDirectory.AppendPathComponent(new NSString(@"Image.ig"));
NSData imageData = PhotoService.ResizeImage(imageToUse).AsPNG();
imageData.Save(saveImagePath, true);
NSUrl imageURL = NSUrl.FromFilename(saveImagePath);
DocumentController = new UIDocumentInteractionController();
DocumentController.Url = imageURL;
DocumentController.Delegate = new DocumentInteractionControllerDelegate(this);
DocumentController.Uti = "com.instagram.photo";
DocumentController.Annotation = new NSMutableDictionary <NSString, NSString> {
{ new NSString("InstagramCaption"), new NSString(Challenge.InstaCaption ?? "") }
};
DocumentController.PresentOpenInMenu(new RectangleF(1, 1, 1, 1), View, true);
}
}
