iPhone Symbol Not Found Error on Device when Using PLCameraView
<p>I can deploy an application via SSH to a jailbroken device. I sign it with ldid, but when I try to run it i get:</p>

<pre><code>dyld: Symbol not found: _OBJC_CLASS_$_PLCameraController
Referenced from: /private/var/stash/Applications.pwn/iPhoneCam.app/iPhoneCam
Expected in: flat namespace

Trace/BPT trap
</code></pre>

<p>error. The code I run is;</p>

<pre><code>- (void)applicationDidFinishLaunching:(UIApplication *)application {    
// Override point for customization after app launch    
[window addSubview:viewController.view];
[window makeKeyAndVisible];

[[UIApplication sharedApplication] setStatusBarHidden:YES animated:NO];

// Get the view for preview and start preview 
PLCameraController *cam = [PLCameraController sharedInstance]; 
UIView *view = [cam previewView]; 
[cam startPreview]; 

// Add the preview view to window 
[window addSubview:view]; 

// Override point for customization after app launch 
[window makeKeyAndVisible];
</code></pre>

<p>}</p>

<p>taken from <a href="http://mobile-augmented-reality.blogspot.com/2009/05/iphoneusing-plcameracontroller.html" rel="nofollow">here</a></p>
