private async void UploadMultiplePhotosToWall(object sender, EventArgs e)
{
var photo = GetPhoto();
var request1 = VKApi.UploadWallPhotoRequest(new VKUploadImage(photo, VKImageParameters.JpgImage(0.9f)), 0, OwnerId);
var request2 = VKApi.UploadWallPhotoRequest(new VKUploadImage(photo, VKImageParameters.JpgImage(0.5f)), 0, OwnerId);
var request3 = VKApi.UploadWallPhotoRequest(new VKUploadImage(photo, VKImageParameters.JpgImage(0.1f)), 0, OwnerId);
var request4 = VKApi.UploadWallPhotoRequest(new VKUploadImage(photo, VKImageParameters.PngImage()), 0, OwnerId);
var batch = new VKBatchRequest(request1, request2, request3, request4);
var responses = await batch.ExecuteAsync();
try {
RecycleBitmap(photo);
var resp = responses.Select(r => ((VKPhotoArray)r.ParsedModel) [0]);
var attachments = new VKAttachments();
attachments.AddRange(resp);
MakePost("I just uploaded multiple files from the VK Xamarin.Android SDK!", attachments);
} catch (VKException ex) {
ShowError(ex.Error);
}
}
private async void UploadSeveralWallPhotos()
{
var batch = new VKBatchRequest(new [] {
VKApi.UploadWallPhotoRequest(UIImage.FromBundle("apple"), VKImageParameters.PngImage(), 0, OwnerId),
VKApi.UploadWallPhotoRequest(UIImage.FromBundle("apple"), VKImageParameters.PngImage(), 0, OwnerId),
VKApi.UploadWallPhotoRequest(UIImage.FromBundle("apple"), VKImageParameters.PngImage(), 0, OwnerId),
VKApi.UploadWallPhotoRequest(UIImage.FromBundle("apple"), VKImageParameters.PngImage(), 0, OwnerId)
});
try {
// upload
var responses = await batch.ExecuteAsync();
Console.WriteLine("Photos: " + string.Concat(responses.Select(r => r.Json)));
// create attachments
var attachments = new List <string> ();
foreach (var response in responses)
{
var photoInfo = ((VKPhotoArray)response.ParsedModel).ObjectAtIndex <VKPhoto> (0);
var attachment = string.Format("photo{0}_{1}", photoInfo.owner_id, photoInfo.id);
attachments.Add(attachment);
}
// post photos
var post = VKApi.Wall.Post(new NSMutableDictionary <NSString, NSObject> {
{ VKApiConst.Attachments, (NSString)string.Join(",", attachments) },
{ VKApiConst.OwnerId, (NSNumber)OwnerId }
});
var postResponse = await post.ExecuteAsync();
Console.WriteLine("Result: " + postResponse.Json);
// open link
var postId = ((NSDictionary)postResponse.Json) ["post_id"];
UIApplication.SharedApplication.OpenUrl(new NSUrl(string.Format("http://vk.com/wall{0}_{1}", OwnerId, postId)));
} catch (VKException ex) {
Console.WriteLine("Error: " + ex.Error);
}
}
