Sasmito Adibowo

Sasmito Adibowo has written 137 posts for Making the Switch

How to Fix Your Five Year Old Cocos2D Game

Some lessons learned when I upgraded AirKill from Cocos2D 0.8 to 3.0. If your game is on a very old version of Cocos2D, you’ll want to read through this to save you some time.


Implementing In-App Purchases for the Mac App Store

Did Apple rejected your app because it is a “trial version”? Are you looking to have an in-app purchase item in your Mac app? Read here to see the correct way to add in-app purchase items for the Mac App Store.

Reduce Programming Pain

Painless UIAlertView

Have you been using UIAlertView and find it a big hassle just to get a simple Yes/No answer from the user? This could just be the medicine to cure your pain.


Speech Timer 2 Lessons Learned

Learn about upgrading your skeuomorphic iOS 6 user interface to iOS 7’s new content-first style, supporting three Apple devices from a single code base, and much more. These are hard lessons learned while I was developing the second version of Speech Timer that you can take advantage of so that you won’t make the same […]


Seeding iCloud Core Data Store

Deciding when to pre-populate a Core Data store is a real headache when you need to sync that data store across many devices. However you can learn from my experience and save you the headache that I had to went through.


Introducing the Core Data Controller

Here is a document class replacement for managing your library-style app based on Core Data. All the goodness of NSDocument / UIDocument with just the right functionalities when you don’t need to expose document-management functionality to your users.


Reverse-Engineering iCloud Keychain

Ever wonder how iCloud Keychain or 1Password works? Wonder no more.


Programmatically Sending Rich Text e-mail with Attachments on the Mac

If your users needs a precomposed e-mail with attachments, now you can easily do it on the Mac with a few lines of code


Tips for Architecting Dual-platform OS X / iOS Applications

How to share common code between OS X and iOS and architect your app to dance around each platform’s similarities and differences.

If your project moved to git but still needs to interface with some Perforce-based legacy systems, this could save your day.

Replicating git to perforce

If your project moved to git but still needs to interface with some Perforce-based legacy systems, this could save your day.


Encoding UIButton Title for State Preservation and Restoration

Supporting state restoration in iOS often requires you to make your app just like a hollywood house where the front porch looks nice but there’s really nothing beyond that. Read more to find out why.


Microsoft’s Reorganization and What Does It Means for You

Microsoft’s reorganization opens up unforeseen opportunities. What are they? Read on.


Faster Android Development on the Mac

Debugging on Android can be a pain at times – some of these can be attributed to the architecture of its developer tools. If you find the emulator’s startup time to be too slow for you, there may be a configuration option that you’ve overlooked and can make the emulator a lot fster.


Customer Interview Tips

Try to get to know your potential customers and users before you start building your solution. One way for this is doing questionnaires, sometimes called as customer interviews. I’ve done this recently and called up real people for a survey and here’s what you can learn from the experience we learned the hard way.

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