private static async Task ShareImageAsync(ImageSource image, string message)
{
ShareDialog dialog = new ShareDialog();
SharePhotoContent content = new SharePhotoContent();
var handler = image.GetHandler();
if (handler == null)
{
return;
}
var uiImage = await handler.LoadImageAsync(image);
var items = new List <NSObject> {
new NSString(message ?? string.Empty)
};
items.Add(uiImage);
var controller = new UIActivityViewController(items.ToArray(), null);
SharePhoto photo = SharePhoto.From(uiImage, false);
SharePhoto[] lshare = new SharePhoto[1];
lshare[0] = photo;
content.Photos = lshare;
dialog.FromViewController = UIApplication.SharedApplication.KeyWindow.RootViewController;
dialog.Mode = ShareDialogMode.Automatic;
System.Diagnostics.Debug.WriteLine(dialog.Mode.ToString());
dialog.SetShareContent(content);
dialog.Show();
}
public void ShareLinkOnFacebook(string text, string description, string link)
{
ShareLinkContent link1 = new ShareLinkContent();
link1.SetContentUrl(new NSUrl(link));
var shareDelegate = new FbDelegate();
var dialog = new ShareDialog();
dialog.Mode = ShareDialogMode.FeedBrowser;
dialog.SetDelegate(shareDelegate);
dialog.SetShareContent(link1);
dialog.FromViewController = UIApplication.SharedApplication.KeyWindow.RootViewController;
bool isInstalled = UIApplication.SharedApplication.CanOpenUrl(new NSUrl(urlString: "fb://"));
if (isInstalled)
{
dialog.Mode = ShareDialogMode.Native;
dialog.Show();
}
else
{
ShareAPI.Share(link1, shareDelegate);
}
}
public void ShareImageOnFacebook(string caption, string imagePath)
{
SharePhoto tt = SharePhoto.From(new UIImage(imagePath), true);
tt.Caption = caption;
SharePhotoContent content = new SharePhotoContent();
content.Photos = new SharePhoto[] { tt };
content.SetContentUrl(new NSUrl(imagePath));
var shareDelegate = new FbDelegate();
var dialog = new ShareDialog();
dialog.Mode = ShareDialogMode.FeedBrowser;
dialog.SetDelegate(shareDelegate);
dialog.SetShareContent(content);
dialog.FromViewController = UIApplication.SharedApplication.KeyWindow.RootViewController;
bool isInstalled = UIApplication.SharedApplication.CanOpenUrl(new NSUrl(urlString: "fb://"));
if (isInstalled)
{
dialog.Mode = ShareDialogMode.Native;
dialog.Show();
}
else
{
ShareAPI.Share(content, shareDelegate);
}
}
public static void ShareVideoOnFacebook(string videoUrl, byte[] previewImage = null, string hashtag = null)
{
Thread.UI.Post(() =>
{
var video = new ShareVideo(new NSCoder())
{
PreviewPhoto = SharePhoto.From(UIImage.LoadFromData(NSData.FromArray(previewImage)), true),
VideoUrl = NSUrl.FromString(videoUrl)
};
var content = new ShareVideoContent {
Video = video
};
if (string.IsNullOrEmpty(hashtag))
{
content.Hashtag = new Hashtag()
{
StringRepresentation = hashtag
}
}
;
var dialog = new ShareDialog
{
Mode = ShareDialogMode.ShareSheet,
FromViewController = (UIViewController)UIRuntime.NativeRootScreen
};
dialog.SetShareContent(content);
dialog.Show();
});
}
public static void SharePhotosOnFacebook(IEnumerable <byte[]> photos, string hashtag = null)
{
Thread.UI.Post(() =>
{
var content = new SharePhotoContent();
var sharedPhotos = new List <SharePhoto>();
foreach (var photo in photos)
{
sharedPhotos.Add(SharePhoto.From(UIImage.LoadFromData(NSData.FromArray(photo)), true));
}
content.Photos = sharedPhotos.ToArray();
if (!string.IsNullOrEmpty(hashtag))
{
content.Hashtag = new Hashtag()
{
StringRepresentation = hashtag
}
}
;
var dialog = new ShareDialog
{
Mode = ShareDialogMode.ShareSheet,
FromViewController = (UIViewController)UIRuntime.NativeRootScreen
};
dialog.SetShareContent(content);
dialog.Show();
});
}
public static async Task ShareFacebook(UIViewController controller, Post post)
{
var dialog = new ShareDialog();
dialog.FromViewController = controller;
dialog.Mode = ShareDialogMode.Automatic;
if (post.Links.Any())
{
var content = new ShareLinkContent();
content.SetContentUrl(new NSUrl(post.Links.FirstOrDefault().LinkUrl));
dialog.SetShareContent(content);
}
if (post.Images.Any())
{
var content = new SharePhotoContent();
var path = await DownloadFileIfNecessary(post.Images.FirstOrDefault().Url);
content.Photos = new SharePhoto[1] {
SharePhoto.From(UIImage.FromFile(path), true)
};
dialog.SetShareContent(content);
}
if (post.Videos.Any())
{
var path = await DownloadFileIfNecessary(post.Videos.FirstOrDefault().Url);
ALAssetsLibrary library = new ALAssetsLibrary();
library.WriteVideoToSavedPhotosAlbum(NSUrl.FromFilename(path), (arg1, arg2) =>
{
controller.InvokeOnMainThread(() =>
{
var content = new ShareVideoContent();
content.Video = ShareVideo.From(arg1.AbsoluteUrl);
dialog.SetShareContent(content);
dialog.Show();
});
});
}
NSError error = new NSError();
dialog.ValidateWithError(out error);
var result = dialog.Show();
}
public static void ShareLinkOnFacebook(string quote, string url)
{
Thread.UI.Post(() =>
{
var content = new ShareLinkContent();
content.SetContentUrl(NSUrl.FromString(url));
content.Quote = quote;
var dialog = new ShareDialog
{
Mode = ShareDialogMode.ShareSheet,
FromViewController = (UIViewController)UIRuntime.NativeRootScreen
};
dialog.SetShareContent(content);
dialog.Show();
});
}
private OperationResult ShowSharingSheet(ISharingContent content)
{
var dialog = new ShareDialog();
dialog.FromViewController = NavigationHelper.GetActiveViewController();
dialog.SetShareContent(content);
dialog.Mode = ShareDialogMode.ShareSheet;
bool success = dialog.Show();
if (success)
{
return(OperationResult.AsSuccess());
}
else
{
return(OperationResult.AsFailure("Could not display Facebook sharing sheet"));
}
}
public void ShareTextOnFacebook(string text)
{
ShareLinkContent link = new ShareLinkContent();
var shareDelegate = new FbDelegate();
var dialog = new ShareDialog();
dialog.Mode = ShareDialogMode.Native;
dialog.SetDelegate(shareDelegate);
dialog.SetShareContent(link);
dialog.FromViewController = UIApplication.SharedApplication.KeyWindow.RootViewController;
bool isInstalled = UIApplication.SharedApplication.CanOpenUrl(new NSUrl(urlString: "fb://"));
if (isInstalled)
{
dialog.Show();
}
else
{
new UIAlertView("Error", "Cannot share text when app is not installed", null, "Ok", null).Show();
}
}
public async void SendOpenGraph(object source, ChallengeModel model, string message = null)
{
ShareTemplateModel shareTemplate = null;
ShareResponseModel shareResponse = null;
await SL.Manager.RefreshShareTemplate(model.ShareTemplateURL, (response) =>
{
shareTemplate = response?.ShareTemplate;
shareResponse = response;
});
NSUrl url = new NSUrl(shareTemplate?.PostHref ?? model.ShareImage);
if (string.IsNullOrEmpty(url?.AbsoluteString))
{
new UIAlertView("Sharing Error", string.IsNullOrEmpty(shareResponse?.ResponseMessage) ? "Sorry. No url come from server" : shareResponse.ResponseMessage, source as IUIAlertViewDelegate, "Ok").Show();
return;
}
ShareDialog dialog = new ShareDialog();
dialog.SetShouldFailOnDataError(true);
dialog.FromViewController = source as UIViewController;
dialog.SetDelegate(source as ISharingDelegate ?? new FBSharingDelegate());
NSString[] keys;
NSObject[] objects;
string imgUrl = null;
try
{
if (!string.IsNullOrEmpty(model.ShareImage))
{
await ImageService.Instance.LoadUrl(model.ShareImage).IntoAsync(new UIImageView());
imgUrl = model.ShareImage;
}
}
catch (Exception) { }
if (string.IsNullOrEmpty(imgUrl))
{
keys = new NSString[] {
new NSString("og:type"),
new NSString("og:url"),
new NSString("og:title"),
new NSString("og:description"),
};
objects = new NSObject[] {
NSObject.FromObject("article"),
NSObject.FromObject(url),
NSObject.FromObject(string.IsNullOrEmpty(shareTemplate?.PostTitle) ? url.AbsoluteString : shareTemplate.PostTitle),
NSObject.FromObject(string.IsNullOrEmpty(message) ? shareTemplate?.PostDescription ?? " " : message),
};
}
else
{
keys = new NSString[] {
new NSString("og:type"),
new NSString("og:url"),
new NSString("og:title"),
new NSString("og:description"),
new NSString("og:image"),
};
objects = new NSObject[]
{
NSObject.FromObject("article"),
NSObject.FromObject(url),
NSObject.FromObject(string.IsNullOrEmpty(shareTemplate?.PostTitle) ? url.AbsoluteString : shareTemplate.PostTitle),
NSObject.FromObject(string.IsNullOrEmpty(message) ? shareTemplate?.PostDescription ?? " " : message),
NSObject.FromObject(imgUrl),
};
}
var propesties = new NSDictionary <NSString, NSObject>(keys, objects);
var openGraph = ShareOpenGraphObject.ObjectWithProperties(propesties);
var action = ShareOpenGraphAction.Action("news.publishes", openGraph, "article");
var contentOpenGraph = new ShareOpenGraphContent
{
Action = action,
PreviewPropertyName = "article"
};
dialog.SetShareContent(contentOpenGraph);
dialog.Mode = ShareDialogMode.Web;
dialog.Show();
if (dialog.Mode == ShareDialogMode.Web)
{
StylishFbWebDialog();
}
}
public async void ShareFacebookChallenge(object source, ChallengeModel model, string message = null)
{
ShareTemplateModel shareTemplate = null;
ShareResponseModel shareResponse = null;
await SL.Manager.RefreshShareTemplate(model.ShareTemplateURL, (response) =>
{
shareTemplate = response?.ShareTemplate;
shareResponse = response;
});
NSUrl url = new NSUrl(shareTemplate?.PostHref ?? model.ShareImage);
ShareDialog dialog = new ShareDialog();
dialog.SetShouldFailOnDataError(true);
dialog.FromViewController = source as UIViewController;
dialog.SetDelegate(source as ISharingDelegate ?? new FBSharingDelegate());
if (string.IsNullOrEmpty(message) && model.FBShareType == "image")
{
UIImageView imageView = new UIImageView();
try
{
await ImageService.Instance.LoadUrl(model.ShareImage).IntoAsync(imageView);
}
catch (Exception)
{
try
{
await ImageService.Instance.LoadUrl(model.Image).IntoAsync(imageView);
}
catch (Exception)
{
}
}
dialog.SetShareContent(new SharePhotoContent()
{
Photos = new SharePhoto[] { SharePhoto.From(imageView.Image, true) }
});
dialog.Mode = ShareDialogMode.Native;
}
else if (string.IsNullOrEmpty(message) && (model.FBShareType == "link" || model.FBShareType == null))
{
ShareLinkContent contentLink = new ShareLinkContent();
if (string.IsNullOrEmpty(url?.AbsoluteString))
{
new UIAlertView("Sharing Error", string.IsNullOrEmpty(shareResponse?.ResponseMessage) ? "Sorry. No url come from server" : shareResponse.ResponseMessage, source as IUIAlertViewDelegate, "Ok").Show();
return;
}
contentLink.SetContentUrl(url);
dialog.SetShareContent(contentLink);
dialog.Mode = ShareDialogMode.Web;
}
else
{
SendOpenGraph(source, model, message);
return;
}
if (!dialog.CanShow())
{
SendOpenGraph(source, model, message);
return;
}
dialog.Show();
if (dialog.Mode == ShareDialogMode.Web)
{
StylishFbWebDialog();
}
}