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copied!<p>Prior to, and since posting this question almost 2 weeks ago I have searched high and low for a method to make the keyboard click sound work in my app. I have attempted to implement and understand <a href="http://developer.apple.com/library/IOs/#documentation/StringsTextFonts/Conceptual/TextAndWebiPhoneOS/InputViews/InputViews.html#//apple_ref/doc/uid/TP40009542-CH12-SW4">Apple's documentation on custom input views.</a> I butchered my app in many ways attempting to make it work and created several test projects. I tried to interpret how to do this from various other sources on the web. All to no avail. I have finished my app all but for this last function. </p> <p>I finally hit on a simple answer towards the end of <a href="http://www.iphonedevsdk.com/forum/iphone-sdk-development/103267-uiinputviewaudiofeedback-not-working.html">this IPhone Dev SDK form question/post</a>. The ultimate answer is easy and can be done in a few seconds with these easy steps. </p> <ol> <li><p><strong>Link the 'AudioToolbox.framework' to your project</strong> (Click on your project's Target, select 'Build Phases' and under the 'Link Binary with Libraries' item click the + button and add the framework.</p></li> <li><p>Add the following to the header file of the class where you want to implement the click:</p> <pre><code>#import <AudioToolbox/AudioToolbox.h> </code></pre></li> <li><p>Add the following line of code in the implementation file of your class wherever you want the keyboard click sound to appear:</p> <pre><code>AudioServicesPlaySystemSound(0x450); </code></pre></li> </ol> <p>THAT'S IT! AND IT WORKED!!! HALLELUJAH! </p> <p>According to Paul in the other forum this has the following downside:</p> <p>"keyboard keys won't be affected by the iOS user preference for keyboard sound on/off."</p> <p>But when I turn the volume up or down on my iPhone or if I mute the iPhone, the keyboard click sounds do go up and down or are muted as would be expected. Given that I found it impossible to implement keyboard clicks "UIInputViewAudioFeedback" as documented, I'm happy to have anything work.</p> <p>P.S. If anyone has a link to an actual project that I can download, build and run on my iPhone to see EXACTLY how to properly implement: "UIInputViewAudioFeedback" I'd be happy to give it a look. But so far I've found none, nor any step-by-step newbie style instructions on how to make it work.</p> <p><strong>[Sept 30, 2012 UPDATE:]</strong> I'm happy to say that my app was accepted into the app store using this method. Here it is: <a href="https://itunes.apple.com/app/fine-tip-tip-calculator/id563429225">https://itunes.apple.com/app/fine-tip-tip-calculator/id563429225</a></p> <p>...Dale</p>

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