Voices That Matter

iPhone Developer Tips Stats:
Past 30 days - Pageviews: 88,766 Visitors: 61,679
Thank you everyone! Let's shoot for 100,000 by May. Pass it on...



Gotcha: Case Sensitive PNG Filename

Posted on December 10, 2009 by John Muchow in Graphics


Here’s one that will trip you up if you aren’t careful…look at this code:

timerButton = [[UIButton alloc] initWithFrame:CGRectMake(104, 410, 50, 50)];    
 
// Notice the filename "timer.png"
[timerButton setBackgroundImage:[UIImage imageNamed:@"timer.png"] 
    forState:UIControlStateNormal];
 
[timerButton addTarget:self action:@selector(buttonPressed:) 
   forControlEvents: UIControlEventTouchUpInside];
 
[self.view addSubview:timerButton];

Simple enough, create a button, use the image timer.png for the normal state, and all is well…if you run this code in the simulator. Problem is, if the actual filename of the image is Timer.png the png file will not appear when running this code on device.

If you haven’t run into this while developing an iPhone app, you can’t fully appreciate how time consuming it can be to track this down.

Note: I ran into this while working with Xcode 3.2.1 and building for iPhone OS 3.1.2

Comments

6 Responses to “Gotcha: Case Sensitive PNG Filename”

Leave Comment

(required)

(required)