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2014/10/15 ¤U¤È 10:11:00
iphone Programming Glossary: lediOS - color on xcode simulator is different from the color on device http://stackoverflow.com/questions/10039641/ios-color-on-xcode-simulator-is-different-from-the-color-on-device color scheme share improve this question Credit goes to @jtbandes for suggesting to send screenshots which led to the solution I am just answering the question for completeness. Steps I followed Take a screenshot of image in storyboard..
http://stackoverflow.com/questions/1080043/how-to-disable-multitouch I've unchecked 'Multiple Touch' in all the xib files and as far as I can work out the properties 'multipleTouchEnabled' and 'exclusiveTouch' control whether the view uses multitouch. So in my applicationDidFinishLaunching I've put this self.mainViewController.view.multipleTouchEnabled.. uses multitouch. So in my applicationDidFinishLaunching I've put this self.mainViewController.view.multipleTouchEnabled NO self.mainViewController.view.exclusiveTouch YES And in each of my view controllers I've put this in the viewDidLoad self.view.multipleTouchEnabled.. YES And in each of my view controllers I've put this in the viewDidLoad self.view.multipleTouchEnabled NO self.view.exclusiveTouch YES However it still accepts multiple touches. I could do something like disable other buttons..
http://stackoverflow.com/questions/11173605/detecting-a-clap-in-ios
How to add a breakpoint to objc_exception_throw? http://stackoverflow.com/questions/1163981/how-to-add-a-breakpoint-to-objc-exception-throw raise and its location should be CoreFoundation . Now if you start debugging your application with breakpoints enabled it should break on the throw of these exceptions. You should then be able to see the chain of events that led to the exception.. enabled it should break on the throw of these exceptions. You should then be able to see the chain of events that led to the exception within the debugger. now in this answer i want to ask how do i add location mentioned objective c iphone..
Disable home button without rebooting device http://stackoverflow.com/questions/12971857/disable-home-button-without-rebooting-device an OTA the home button of the device will not work at all so that user is unable to come out from the App. My digging led me to following results A I got a way to disable home button by a mobileconfig profile but it needs to restart the device.. want to submit my app to iTunes. iphone objective c ios share improve this question In iOS6 there's a feature called Guided Access which will allow device owners to lock users like toddlers and school kids into an app. This explains the..
Xcode: Display Login View in applicationDidBecomeActive http://stackoverflow.com/questions/13516481/xcode-display-login-view-in-applicationdidbecomeactive from the main storyboard. iphone objective c ios xcode share improve this question A variety of answers finally led me to an answer which doesn't seem too complicated so I will post it here and it actually looks really good if I am honest...
Changing Compiler to llvm-clang on existing iPhone Project http://stackoverflow.com/questions/1412882/changing-compiler-to-llvm-clang-on-existing-iphone-project llvm gcc 4.2 as the whole point is that I switched from that compiler to the new one Clang llvm 1.0. This is what has led me to believe there is still another setting to be changed. Thanks to fbereto for his suggestion. The actual answer lies..
Large UICollectionViewCell stopped being displayed when scrolling http://stackoverflow.com/questions/14254222/large-uicollectionviewcell-stopped-being-displayed-when-scrolling stopped being displayed when scrolling The same behavior of UICollectionView as described here has been led to this question . Even though I decided to post my own one because I did further investigations I didn't want to post in.. the cells hidden property is set to YES and collectionView didEndDisplayingCell forItemAtIndexPath gets called e.g. the first cell changes to hidden when scrollingOffset.y reaches 481.f on 3 5 inch iPhone . As described above when.. display height 1441.f 1705.f . Those show the same behavior but it stays the same no matter how far they're being scrolled up and down. What else The situation can not be fixed by overriding BOOL shouldInvalidateLayoutForBoundsChange CGRect newBounds..
How does [self.tableView reloadData] know what data to reload? http://stackoverflow.com/questions/2442395/how-does-self-tableview-reloaddata-know-what-data-to-reload objects under the mistaken belief that the UI view is the core of the program as the instructional materials have led you to believe. Under this misapprehension nothing makes sense not even the Apple Documentation. You need to step back and..
Audio will play in 3.2 sim but not in 4.x http://stackoverflow.com/questions/4190732/audio-will-play-in-3-2-sim-but-not-in-4-x StartIO error 66681 2010 11 15 19 55 16.499 Issues 13237 6307 CA_UISoundClientBase StartPlaying AddRunningClient failed status 66681 . 2010 11 15 19 55 46.499 Issues 13237 1c07 AQMEIO_Base DoStartIO timeout 2010 11 15 19 55 46.777 Issues 13237.. 46.777 Issues 13237 1c07 AQMEDevice StartIO error 66681 2010 11 15 19 55 46.778 Issues 13237 1c07 Audio queue start failed. err á 66681 Switching to process 13237 4.1 Device This GDB was configured as host i386 apple darwin target arm apple darwin.. is no way to test the iphone code on the simulator. EDIT I fixed it The only other google search result for this error led me to poke around in my audio settings. I have a Blackmagic Intensity Pro HDMI capture card and it was set as my audio input..
How can I improve the performance of my custom OpenGL ES 2.0 depth texture generation? http://stackoverflow.com/questions/6051237/how-can-i-improve-the-performance-of-my-custom-opengl-es-2-0-depth-texture-gener be but I can't figure out why. In order to achieve the proper generation of this depth texture GL_DEPTH_TEST is disabled GL_BLEND is enabled with glBlendFunc GL_ONE GL_ONE and glBlendEquation is set to GL_MIN_EXT . I know that a scene output.. out why. In order to achieve the proper generation of this depth texture GL_DEPTH_TEST is disabled GL_BLEND is enabled with glBlendFunc GL_ONE GL_ONE and glBlendEquation is set to GL_MIN_EXT . I know that a scene output in this manner isn't.. normalizedDepth adjustedSphereRadius calculatedDepth Inlined color encoding for the depth values float ceiledValue ceil currentDepthValue 765.0 vec3 intDepthValue vec3 ceiledValue scaleDownFactor stepValues gl_FragColor vec4 intDepthValue..
*Send to Instagram* Trick by *100 Cameras in 1* http://stackoverflow.com/questions/6197445/send-to-instagram-trick-by-100-cameras-in-1 Instagram won't have access to that image. Edited 2nd time Though I haven't tried yet Tom H's answer might finally led to a solution. So I accepted his answer as the final answer. As for unset's answer unset kept mentioning the url scheme..
http://stackoverflow.com/questions/7367644/background-tasks-iphone locations every so often even while not active. I've tried using timers but they don't execute in the background. That led me to find this question How do I get a background location update every n minutes in my iOS application and it mentions.. location in the .plist for supported background modes Does adding this just guarantee that my application won't be killed for some certain amount of time so I can keep a timer running or where do I add the methods that are to get executed while..
IOS, How to add a custom SelectionIndicator to a UIPickerView? http://stackoverflow.com/questions/7579133/ios-how-to-add-a-custom-selectionindicator-to-a-uipickerview indicator. My initial attempt to specify a semi transparent view to be superimposed to the UIPickerView upon creation led to the same result. While tracing I noticed that the picker view doesn't have subviews yet at the time of creation which.. for the selection indicator the first time the delegate method pickerView viewForRow forComponent reusingView is called. At that point in time the UIPickerView is ready with all its subviews and my new custom view is properly appended on top.. we enter the function add selection indicator view on top of everything else if self pickerSelectionIndicatorInstalled UIView customSelectionIndicator CGRect selectionIndicatorFrame CGRect pickerViewFrame pickerViewFrame pickerView frame..
Crash when adding persistent store (iCloud enabled) in app delegate http://stackoverflow.com/questions/8021753/crash-when-adding-persistent-store-icloud-enabled-in-app-delegate when adding persistent store iCloud enabled in app delegate I am going to start updating this to help those seeking to use this as reference for their own personal.. coreDataCloudContent cloudURL path stringByAppendingPathComponent @ data if coreDataCloudContent.length 0 iCloud enabled cloudURL NSURL fileURLWithPath coreDataCloudContent options NSDictionary dictionaryWithObjectsAndKeys NSNumber numberWithBool.. NSPersistentStoreUbiquitousContentNameKey cloudURL NSPersistentStoreUbiquitousContentURLKey nil else iCloud not enabled options NSDictionary dictionaryWithObjectsAndKeys NSNumber numberWithBool YES NSMigratePersistentStoresAutomaticallyOption..
Xcode not compiling any project? 'clang failed with exit code 255' http://stackoverflow.com/questions/8023563/xcode-not-compiling-any-project-clang-failed-with-exit-code-255 not compiling any project 'clang failed with exit code 255' Hey all basically what the title says I was working on my project with no issues and then all of the.. I was working on my project with no issues and then all of the sudden it just stopped compiling. The only thing that led up to this was one of my .m files turned red when I accidentally renamed it and I had to delete it and replace it but that.. confirm it is not my Bundle Id that is causing the issue. I also ran it with llvm gcc and got this 'llvm gcc 4.2 failed with exit code 1' and help Thanks ETA This is also what it says in the little error box clang error unable to execute command..
Copy Folder (w/contents) from bundle to Documents directory - iOS http://stackoverflow.com/questions/9830061/copy-folder-w-contents-from-bundle-to-documents-directory-ios Folder w contents from bundle to Documents directory iOS EDIT SOLVED Thanks Brooks. Your question led me to keep digging into if the file even existed in my bundle and it did not So by using this code also below iPhone iPad..
Activate the LED for a flashlight app http://stackoverflow.com/questions/3253187/activate-the-led-for-a-flashlight-app the LED for a flashlight app I'm trying to make a flashlight app for my iPhone. I have an iPhone 4 and would like to utilize the.. a flashlight app I'm trying to make a flashlight app for my iPhone. I have an iPhone 4 and would like to utilize the LED on my iPhone for my project. Can anyone help me to get started with that iphone ios cocoa touch share improve this question..
How can I make the iPhone 4 LED light fire instantly? http://stackoverflow.com/questions/3983032/how-can-i-make-the-iphone-4-led-light-fire-instantly can I make the iPhone 4 LED light fire instantly I'm currently using the below code to turn on and off my iPhone 4 LED light and it's working great.. can I make the iPhone 4 LED light fire instantly I'm currently using the below code to turn on and off my iPhone 4 LED light and it's working great but the only problem is that every time I turn the LED on there is a slight delay. However.. to turn on and off my iPhone 4 LED light and it's working great but the only problem is that every time I turn the LED on there is a slight delay. However it turns off instantly. I need it to fire instantly to implement a strobe like feature..
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