TTOpenInAppActivity

TTOpenInAppActivity is a UIActivity subclass that provides an "Open In ..." action to a UIActivityViewController. TTOpenInAppActivity uses an UIDocumentInteractionController to present all Apps than can handle the document specified by the activity item. Supported item types are NSURL instances that point to local files and UIImage instances.

Used In

PenUltimate by Evernote
Bugshot by Marco Arment
WriteDown - a Markdown text editor with syncing support by Nguyen Vinh
Trail Maker
Please tell me if you use TTOpenInAppActivity in your App (just submit it as an issue)!

Requirements

As UIActivity is iOS 6 only, so is the subclass.
This project uses ARC. If you want to use it in a non ARC project, you must add the -fobjc-arc compiler flag to TTOpenInAppActivity.m in Target Settings > Build Phases > Compile Sources.

Installation

Add the TTOpenInAppActivity subfolder to your project. There are no required libraries other than UIKit and MobileCoreServices.

Usage

We keep a weak reference to the superview (UIActionSheet). In this way we dismiss the UIActionSheet ans instead display the UIDocumentInterActionController.
TTOpenInAppActivity needs to be initalized with the current view (iPhone & iPad) and a) a CGRect or b) a UIBarButtonItem (both only for iPad) from where it can present the UIDocumentInterActionController.
If the activity item type is a UIImage, the image will be saved in the app's Caches directory temporarily to share it with the other app. You can specify the file name of the temporary image using the temporaryImageFileName property (default is @"export.png"). If temporaryImageFileName specifies a JPEG file, the image is saved as JPEG. Else it's saved as PNG.
See example project.

NSURL *URL = [NSURL fileURLWithPath:[[NSBundle mainBundle] pathForResource:@"empty" ofType:@"pdf"]];
TTOpenInAppActivity *openInAppActivity = [[TTOpenInAppActivity alloc] initWithView:self.view andRect:((UIButton *)sender).frame];
UIActivityViewController *activityViewController = [[UIActivityViewController alloc] initWithActivityItems:@[URL] applicationActivities:@[openInAppActivity]];
    
if(UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPhone){
    // Store reference to superview (UIActionSheet) to allow dismissal
    openInAppActivity.superViewController = activityViewController;
    // Show UIActivityViewController 
    [self presentViewController:activityViewController animated:YES completion:NULL];
} else {
    // Create pop up
    self.activityPopoverController = [[UIPopoverController alloc] initWithContentViewController:activityViewController];
    // Store reference to superview (UIPopoverController) to allow dismissal
    openInAppActivity.superViewController = self.activityPopoverController;
    // Show UIActivityViewController in popup
    [self.activityPopoverController presentPopoverFromRect:((UIButton *)sender).frame inView:self.view permittedArrowDirections:UIPopoverArrowDirectionAny animated:YES];
}

License

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

lysannschlegel / TTOpenInAppActivity