Windows® 8.1 Apps with HTML5 and JavaScript Unleashed

Summary

This chapter focused on building a simple productivity app: the MyTasks app. I discussed solutions to several of the challenges that you face when building a real-world Windows Store app.

First, I explained how you can ensure that a connection to external services is available when you start a Windows Store app. The MyTasks app depends on communicating with Live Connect and Windows Azure. If connections to these services are not available then the MyTasks app repeatedly throws a Retry dialog in your face.

Next, I discussed the importance of optimistic inserts, updates, and deletes for the perceived performance of your Windows Store app. I recommend that you always insert locally before inserting remotely to provide your users with the ...