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2014/10/15 ¤U¤È 10:15:06
iphone Programming Glossary: triggeredHow do I record audio on iPhone with AVAudioRecorder? http://stackoverflow.com/questions/1010343/how-do-i-record-audio-on-iphone-with-avaudiorecorder this question Actually there are no examples at all. Here is my working code. Recording is triggered by the user pressing a button on the navBar. The recording uses cd quality 44100 samples stereo 2 channels..
Universal iPhone/iPad application debug compilation error for iPhone testing http://stackoverflow.com/questions/2618889/universal-iphone-ipad-application-debug-compilation-error-for-iphone-testing created app iphone ios ipad ios universal app share improve this question That error is being triggered because you didn't weak link the UIKit framework. The UIKit framework in iPhone OS 3.2 added the UISplitViewController..
Setting direction for UISwipeGestureRecognizer http://stackoverflow.com/questions/3319209/setting-direction-for-uiswipegesturerecognizer specify the allowed direction s as you did. But when you try to access the actual direction that triggered the swipe in the action selector method you still get the bit mask you originally set for the allowed..
Using the apple FFT and accelerate Framework http://stackoverflow.com/questions/3398753/using-the-apple-fft-and-accelerate-framework to perform pitch detection on microphone input and we have set it up so that some callback gets triggered every time the microphone gets in 1024 floats. Supposing the microphone sampling rate was 44.1kHz so..
Gesture recognizer and button actions http://stackoverflow.com/questions/4825199/gesture-recognizer-and-button-actions hierarchy will make sure that the button touch event will be given preference and it WILL get triggered What am i missing Here's some related code #pragma mark #pragma mark View lifecycle Gesture recognizer..
CADisplayLink OpenGL rendering breaks UIScrollView behaviour http://stackoverflow.com/questions/5944050/cadisplaylink-opengl-rendering-breaks-uiscrollview-behaviour opengl es share improve this question It's possible that slow updates on the main thread triggered by the CADisplayLink are what's breaking UIScrollView's scrolling behavior here. Your OpenGL ES rendering..
How do I record audio on iPhone with AVAudioRecorder? http://stackoverflow.com/questions/1010343/how-do-i-record-audio-on-iphone-with-avaudiorecorder Thanks in advance. iphone audio recording share improve this question Actually there are no examples at all. Here is my working code. Recording is triggered by the user pressing a button on the navBar. The recording uses cd quality 44100 samples stereo 2 channels linear pcm. Beware if you want to use a different format..
Universal iPhone/iPad application debug compilation error for iPhone testing http://stackoverflow.com/questions/2618889/universal-iphone-ipad-application-debug-compilation-error-for-iphone-testing to split the universal logic paths in this programmatically created app iphone ios ipad ios universal app share improve this question That error is being triggered because you didn't weak link the UIKit framework. The UIKit framework in iPhone OS 3.2 added the UISplitViewController and if you link it in as normal your application..
Setting direction for UISwipeGestureRecognizer http://stackoverflow.com/questions/3319209/setting-direction-for-uiswipegesturerecognizer improve this question Seems like there is a bug. You can specify the allowed direction s as you did. But when you try to access the actual direction that triggered the swipe in the action selector method you still get the bit mask you originally set for the allowed directions . This means that checks for the actual direction..
Using the apple FFT and accelerate Framework http://stackoverflow.com/questions/3398753/using-the-apple-fft-and-accelerate-framework we be using this function in the first place Let's say we want to perform pitch detection on microphone input and we have set it up so that some callback gets triggered every time the microphone gets in 1024 floats. Supposing the microphone sampling rate was 44.1kHz so that's ~44 frames sec. So our time window is whatever the time..
Gesture recognizer and button actions http://stackoverflow.com/questions/4825199/gesture-recognizer-and-button-actions event. How can i make it work I thought that the responder chain hierarchy will make sure that the button touch event will be given preference and it WILL get triggered What am i missing Here's some related code #pragma mark #pragma mark View lifecycle Gesture recognizer setup void viewDidLoad super viewDidLoad double tap gesture..
CADisplayLink OpenGL rendering breaks UIScrollView behaviour http://stackoverflow.com/questions/5944050/cadisplaylink-opengl-rendering-breaks-uiscrollview-behaviour ES view freezes when UIScrollView is dragged on iPhone iphone opengl es share improve this question It's possible that slow updates on the main thread triggered by the CADisplayLink are what's breaking UIScrollView's scrolling behavior here. Your OpenGL ES rendering might be taking long enough for each frame to throw off..
How do I record audio on iPhone with AVAudioRecorder? http://stackoverflow.com/questions/1010343/how-do-i-record-audio-on-iphone-with-avaudiorecorder recording share improve this question Actually there are no examples at all. Here is my working code. Recording is triggered by the user pressing a button on the navBar. The recording uses cd quality 44100 samples stereo 2 channels linear pcm. Beware..
Debugging App When Launched by Push Notification http://stackoverflow.com/questions/1239000/debugging-app-when-launched-by-push-notification connections to several different servers and negotiates data back and forth. This UIView works fine when for example triggered from the main menu however when my push notification is triggering this UIView to appear the socket connections are not..
iphone: Calculating battery life http://stackoverflow.com/questions/1469549/iphone-calculating-battery-life object nil The first notification tells you the current state e.g. unplugged charging or full. The second will get triggered whenever a 5 increment is reached. Seems to me that if all you're given is change notifications at 5 changes up or down..
Universal iPhone/iPad application debug compilation error for iPhone testing http://stackoverflow.com/questions/2618889/universal-iphone-ipad-application-debug-compilation-error-for-iphone-testing programmatically created app iphone ios ipad ios universal app share improve this question That error is being triggered because you didn't weak link the UIKit framework. The UIKit framework in iPhone OS 3.2 added the UISplitViewController and..
http://stackoverflow.com/questions/2978977/what-is-delegate-in-iphone reusable for different tasks. The object which contains the delegate typically sends the delegate a message when a triggered event occurs giving the delegate an opportunity to carry out its specified task. There's more documentation here that you..
Setting direction for UISwipeGestureRecognizer http://stackoverflow.com/questions/3319209/setting-direction-for-uiswipegesturerecognizer is a bug. You can specify the allowed direction s as you did. But when you try to access the actual direction that triggered the swipe in the action selector method you still get the bit mask you originally set for the allowed directions . This..
Xcode/GDB: How to get information about an exception that was just thrown? http://stackoverflow.com/questions/3327828/xcode-gdb-how-to-get-information-about-an-exception-that-was-just-thrown information about an exception that was just thrown OK so imagine that my breakpoint in objc_exception_throw has just triggered. I'm sitting at the debugger prompt and I want to get some more information about the exception object. Where do I find.. gdb po exception name gdb po exception reason You can also set exception automatically whenever the breakpoint is triggered by adding a command list to the objc_exception_throw breakpoint. Note that in all cases I tested the exception object was..
Using the apple FFT and accelerate Framework http://stackoverflow.com/questions/3398753/using-the-apple-fft-and-accelerate-framework Let's say we want to perform pitch detection on microphone input and we have set it up so that some callback gets triggered every time the microphone gets in 1024 floats. Supposing the microphone sampling rate was 44.1kHz so that's ~44 frames sec...
Passing parameters to addTarget:action:forControlEvents http://stackoverflow.com/questions/3988485/passing-parameters-to-addtargetactionforcontrolevents @selector switchToNewsDetails With 2 parameters indicating the control that sends the message and the event that triggered the message action @selector switchToNewsDetails event It is not clear what exactly you try to do but considering you want..
How to detect Swipe Gesture in iPhone SDK? http://stackoverflow.com/questions/4279699/how-to-detect-swipe-gesture-in-iphone-sdk
Gesture recognizer and button actions http://stackoverflow.com/questions/4825199/gesture-recognizer-and-button-actions that the responder chain hierarchy will make sure that the button touch event will be given preference and it WILL get triggered What am i missing Here's some related code #pragma mark #pragma mark View lifecycle Gesture recognizer setup void viewDidLoad..
Tap pressure strength detection using accelerometer http://stackoverflow.com/questions/5179426/tap-pressure-strength-detection-using-accelerometer this as a subclass of UIGestureRecognizer so that you can just drop it in and attach it to a UIView or UIButton. Once triggered it will have the pressure set to a float between 0.0f and 2.0f. You can optionally set the minimum and maximum pressures..
Calling method in current view controller from App Delegate in iOS http://stackoverflow.com/questions/5873450/calling-method-in-current-view-controller-from-app-delegate-in-ios if the view is already displayed. What you want to do is the following When ConnectionDidFinishLoading method is triggered post a notification NSNotificationCenter defaultCenter postNotificationName @ refreshView object nil In your viewController..
CADisplayLink OpenGL rendering breaks UIScrollView behaviour http://stackoverflow.com/questions/5944050/cadisplaylink-opengl-rendering-breaks-uiscrollview-behaviour dragged on iPhone iphone opengl es share improve this question It's possible that slow updates on the main thread triggered by the CADisplayLink are what's breaking UIScrollView's scrolling behavior here. Your OpenGL ES rendering might be taking..
http://stackoverflow.com/questions/5960731/strange-behavior-of-select-dropdowns-onchange-js-event-when-using-next-on-m and presses the Next button. This causes two problems First On this action the first dropdown's oncange event is not triggered reliably Sometimes it fires sometimes not. If after selecting an Area the user touches somewhere else on the webpage or..
How to log all methods used in iOS app http://stackoverflow.com/questions/7270502/how-to-log-all-methods-used-in-ios-app I put together a debug breakpoint action that will log out the class and method name for every time objc_msgSend is triggered in your application. This works similarly to the DTrace script I described in this answer . To enable this breakpoint action..
http://stackoverflow.com/questions/843534/flip-view-iphone view I just get the flipped view without animation. When I flip back the animation shows just fine. The flips are triggered from buttons on the views themselves. IBAction showMoreInfo id sender UIView moreInfo self.flipView UIView beginAnimations..
Why do I have to call super -dealloc last, and not first? http://stackoverflow.com/questions/909856/why-do-i-have-to-call-super-dealloc-last-and-not-first
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