Override UIActivityViewController default behaviour...

UIActivityViewController on iOS 8 show "more" button with custom activities...

Displaying a progress indicator during UIActivityItemProvider activity...

Controlling number of recipients in a Share sheet...

iOS: sharing a transparent UIImage w/ UIActivityViewController?...

presentOpenInMenuFromBarButtonItem: doesn't cause menu to appear...

Is there a way to specify the image format when using UIActivityViewController on a UIImage?...

Multiple data from UIActivityItemSource...

Override activity performed by built-in UIActivity types...

Why is there no UIActivity for Flickr?...

How to add custom buttons to UIActivityViewController?...

What UIImage should I return from UIActivity activityImage?...

UIActivity won't show image?...

Dismiss UIActivityView before completing the activity...

Customise performAction of UIActivityTypePostToTwitter...

Using UIActivityViewController in monotouch...

UIActivityViewController not dismissing...

UIActivity with custom image...

Custom UIActivity with the built-in Mail appearance...

Add custom UIActivity for standard apps...

Handle "Post" event of standard sharing providers...

UIActivityViewIndicator in browser while loading and if string contains http:// remove it...

UIActivity and AVAsset data type usage...

iOS6 UIActivity tweetsheet text not populating...