Category Archives: iPhone

Fightcard Promotion

Posted on March 8, 2010 by MXH

To mark this weekend’s Pacquiao/Clottey match, I’m running a promotion on Fightcard; this week, you can download it for free. (Or you should be able to, as soon as the iTunes store updates its information.) And I still pick Clottey … Continue reading →

Posted in iPhone, Projects | Comments Off

UIScrollView

Posted on March 5, 2010 by MXH

I found the basic operation of UIScrollViews to be a little perplexing; it wasn’t obvious to me how to get a simple test case up and running. Therefore, I thought it might be useful to share such a test case … Continue reading →

Posted in iPhone | Comments Off

iKnowPeople v2.0

Posted on March 2, 2010 by MXH

I’m pleased to announce that AAPL has approved v2.0 of my iKnowPeople application, and that it’s now available on the iTunes store. This version includes some minor UI tweaks, the ability to create contacts from your address book, a spiffy … Continue reading →

Posted in iPhone, People, Projects | Comments Off

Keeping the User Waiting

Posted on February 26, 2010 by MXH

In a perfect world, we could create software that gave instant responses to user input. Unfortunately, this is not always feasible; some things take time, and so we have to keep the user waiting. There are some broadly-accepted conventions as … Continue reading →

Posted in iPhone | Comments Off

File System Access

Posted on February 19, 2010 by MXH

I don’t know how to access the filesystem on my iPhone from my desktop. I can write apps that talk to their sandboxed parts of the filesystem just fine, but I don’t know how to reach into arbitrary parts of … Continue reading →

Posted in iPhone | Comments Off

Full Text Search (Demo)

Posted on February 15, 2010 by MXH

I’ve been talking about Full-Text Search (FTS) for a while; today I just want to present a working demo. Here is a complete Xcode project that will build a simple “Notes” style app with integrated FTS. Performance is pretty acceptable; … Continue reading →

Posted in iPhone | Comments Off

Sliding Keyboards

Posted on February 12, 2010 by MXH

Today I’m going to present a workaround for a slightly obscure but still annoying problem on the iPhone. Let me begin by quoting myself: If you create a view controller, put a UITextView inside a table cell in that controller’s … Continue reading →

Posted in iPhone | Comments Off

Full Text Search (Part 7)

Posted on February 11, 2010 by MXH

A word about the BEGINSWITH operator of NSPredicate: “Caution”! I was using this operator to drive iterative prompting while developing my Full-Text Search (FTS) demo, and found its performance unsatisfactory.

Posted in iPhone | Comments Off

Full Text Search (Part 6)

Posted on February 8, 2010 by MXH

Heretofore, I’ve been working with an “OR” implementation of Full-Text Search (FTS). This sort of implementation takes one or more keywords, and returns all the objects which match one or more of them. I’d been avoiding an “AND” implementation (which … Continue reading →

Posted in iPhone | Comments Off

Full Text Search (Part 5)

Posted on February 7, 2010 by MXH

Today I’m going to post minor revisions to some earlier Full-Text Search (FTS) code. These changes address index construction.

Posted in iPhone | Comments Off