Building a Today Extension

Brief overview of what extensions are and the different types followed by an implementation of a Today widget

Transcript

3. TODAY
4. SHARE
5. ACTION
6. PHOTO EDITING
7. DOCUMENT PROVIDER
8. CUSTOM KEYBOARD
9. EXTENSION POINTS
10. EXTENSION != APP
11. APP EXTENSION LIFE CYCLE
12. APP EXTENSION LIFE CYCLE
13. APP EXTENSION LIFE CYCLE
14. APP EXTENSION LIFE CYCLE
15. COMMUNICATION
16. SHARING DATA
17. TODAY EXTENSION
18. SHARED RESOURCES CONTAINER OBJ-C NSFileManager *fileManager = [NSFileManager defaultManager]; NSURL *url = [fileManager containerURLForSecurityApplicationGroupIdentifier:@"group.com.pasanpremaratne.TreehouseBlogReader"]; SWIFT let fileManager = NSFileManager.defaultManager() let url = fielManager.containerURLForSecurityApplicationGroupIdentifier(“group.com.pasanpremaratne.TreehouseBlogReader”)
19. NSURLSESSION // Set up the background session configuration NSURLSessionConfiguration *config = [NSURLSessionConfiguration backgroundSessionConfigurationWithIdentifier:@"com.companyID.myApp.backgroundSession"]; // Allow access to the shared container config.sharedContainerIdentifier = @"com.mycompany.myappgroupidentifier"; // Set up a session NSURLSession *mySession = [NSURLSession sessionWithConfiguration:config delegate:self delegateQueue:nil]; //Create and start a download task NSURLSessionTask *myTask = [mySession downloadTaskWithURL:someURL]; [myTask resume]; EXTENSION CODE // NSURLSessionDownloadDelegate Protocol Method - (void)URLSession:(NSURLSession *)session downloadTask:(NSURLSessionDownloadTask *)downloadTask didFinishDownloadingToURL:(NSURL *)location; // NCWidgetProviding Protocol - (void)widgetPerformUpdateWithCompletionHandler:(void (^)(NCUpdateResult result))completionHandler NCUpdateResult.NCUpdateResultNewData
20. SUMMARY ▸ Efficiency and Performance ▸ Streamlined UI ▸ Debugging