In this blog, we're diving into the details of setting up and using iCloud's NSUbiquitousKeyValueStore to help persist settings in the new universal app version of Sudoku Grab. We'll look at how to enable cloud syncing for your app, handle updates from iCloud, and persist changes, allowing us to keep user settings consistent across devices. Note, this storage method is meant for small amounts of data with particular quotas - so keep an eye on your usage. For hands-on experience, there's a simple demo project on GitHub ready for you to experiment with!
Currently, I am revitalizing Sudoku Grab, my first app ever, published in 2009. The plan involves updating the code, upgrading to ARC, simplifying the menu system, accommodating iOS7, and supporting 4-inch display sizes. Future updates may include iCloud syncing features for universal access to puzzles. This endeavor also gives me an excuse to switch to an iPhone5s!
Haven't been around for a while, folks! Been keeping busy with a startup and working on a server-side project for www.vollow.me. Time to dust off those old Java and database abilities! Soon, I'll be getting my hands on building the app to go with the website. Keep your eyes peeled for some insightful iPhone-related posts coming your way!
I have received several inquiries about my heart rate app and decided to share details about it. The app uses your phone's camera to perceive the faint changes in the light coming off the flash as blood flows in and out of your finger. I have also provided the demo code and some sample code segments to explain specific functions of the app and the augmented reality blog post for modifications. After a detailed explanation of the code, I show graphical presentations of how the app tracks heartbeats. I end off with a preview image of the sample project and...