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2014/10/15 ¤U¤È 10:10:46
iphone Programming Glossary: knownUIImagePickerController and extracting EXIF data from existing photos http://stackoverflow.com/questions/1238838/uiimagepickercontroller-and-extracting-exif-data-from-existing-photos and extracting EXIF data from existing photos It's well known that UIImagePickerController doesn't return the metadata of the photo after selection. However a couple..
Programmatically get own phone number in iOS http://stackoverflow.com/questions/193182/programmatically-get-own-phone-number-in-ios and data to a unique location in the file system. This restriction is part of the security feature known as the application's sandbox. The sandbox is a set of fine grained controls limiting an application's..
Using the apple FFT and accelerate Framework http://stackoverflow.com/questions/3398753/using-the-apple-fft-and-accelerate-framework wave. bin 2 .idealFreq 2 44Hz etc. bin 512 .idealFreq 512 44Hz The highest frequency we can detect known as the Nyquist frequency is where every pair of points represents a wave ie 512 complete waves within..
http://stackoverflow.com/questions/402/iphone-app-in-landscape-mode fullscreen views. Hope it helps in this nightmare An important reminder of the ADDITIONAL well known problem at hand here if you are trying to swap between MORE THAN ONE view all landscape IT SIMPLY DOES.. this or you will waste days on the problem. It is literally NOT POSSIBLE. It is the biggest open known bug on the iOS platform. There is literally no way to make the hardware make the second view you load..
Inner shadow effect on UIView layer? http://stackoverflow.com/questions/4431292/inner-shadow-effect-on-uiview-layer path CGPathCreateMutable when drawing the shadow for a path whichs bounding box is not known pass CGPathGetPathBoundingBox visiblePath instead of bounds in the following line 42 cuould just be..
iOS Launching Settings -> Restrictions URL Scheme http://stackoverflow.com/questions/8246070/ios-launching-settings-restrictions-url-scheme possible URLs and Restrictions is not on it maybe it's just not found out yet. List of currently known URLs in the Settings app prefs root General path About prefs root General path ACCESSIBILITY prefs root..
UIImagePickerController and extracting EXIF data from existing photos http://stackoverflow.com/questions/1238838/uiimagepickercontroller-and-extracting-exif-data-from-existing-photos and extracting EXIF data from existing photos It's well known that UIImagePickerController doesn't return the metadata of the photo after selection. However a couple of apps in the app store Mobile Fotos PixelPipe seem to..
Programmatically get own phone number in iOS http://stackoverflow.com/questions/193182/programmatically-get-own-phone-number-in-ios OS restricts an application including its preferences and data to a unique location in the file system. This restriction is part of the security feature known as the application's sandbox. The sandbox is a set of fine grained controls limiting an application's access to files preferences network resources hardware and..
Using the apple FFT and accelerate Framework http://stackoverflow.com/questions/3398753/using-the-apple-fft-and-accelerate-framework detect is ONE complete wave within that window ie a 44Hz wave. bin 2 .idealFreq 2 44Hz etc. bin 512 .idealFreq 512 44Hz The highest frequency we can detect known as the Nyquist frequency is where every pair of points represents a wave ie 512 complete waves within the window ie 512 44Hz or n 2 bin 1 .idealFreq Actually there..
http://stackoverflow.com/questions/402/iphone-app-in-landscape-mode properly everywhere it means everywhere all your fullscreen views. Hope it helps in this nightmare An important reminder of the ADDITIONAL well known problem at hand here if you are trying to swap between MORE THAN ONE view all landscape IT SIMPLY DOES NOT WORK . It is essential to remember this or you will waste.. IT SIMPLY DOES NOT WORK . It is essential to remember this or you will waste days on the problem. It is literally NOT POSSIBLE. It is the biggest open known bug on the iOS platform. There is literally no way to make the hardware make the second view you load be landscape. The annoying but simple workaround and what..
Inner shadow effect on UIView layer? http://stackoverflow.com/questions/4431292/inner-shadow-effect-on-uiview-layer to subtract the visible path from and apply a shadow CGMutablePathRef path CGPathCreateMutable when drawing the shadow for a path whichs bounding box is not known pass CGPathGetPathBoundingBox visiblePath instead of bounds in the following line 42 cuould just be any offset 0 CGPathAddRect path NULL CGRectInset bounds 42 42..
iOS Launching Settings -> Restrictions URL Scheme http://stackoverflow.com/questions/8246070/ios-launching-settings-restrictions-url-scheme access that section straight from a URL. I found a list of possible URLs and Restrictions is not on it maybe it's just not found out yet. List of currently known URLs in the Settings app prefs root General path About prefs root General path ACCESSIBILITY prefs root AIRPLANE_MODE prefs root General path AUTOLOCK prefs root..
UIImagePickerController and extracting EXIF data from existing photos http://stackoverflow.com/questions/1238838/uiimagepickercontroller-and-extracting-exif-data-from-existing-photos and extracting EXIF data from existing photos It's well known that UIImagePickerController doesn't return the metadata of the photo after selection. However a couple of apps in the app..
Center content of UIScrollView when smaller http://stackoverflow.com/questions/1316451/center-content-of-uiscrollview-when-smaller scrollView return imageScrollView viewWithTag ZOOM_VIEW_TAG NOTE The following delegate method works around a known bug in zoomToRect animated In the next release after 3.0 this workaround will no longer be necessary void scrollViewDidEndZooming..
Pixel Width of the text in a UILabel http://stackoverflow.com/questions/1340667/pixel-width-of-the-text-in-a-uilabel the length of the text in pixels such that the line can appropriately be drawn I'm also open to any other solutions if known Best Erik iphone objective c uilabel share improve this question NSString has a sizeWithAttributes method that can..
Programmatically get own phone number in iOS http://stackoverflow.com/questions/193182/programmatically-get-own-phone-number-in-ios its preferences and data to a unique location in the file system. This restriction is part of the security feature known as the application's sandbox. The sandbox is a set of fine grained controls limiting an application's access to files preferences..
Is there any way at all that I can tell how hard the screen is being pressed http://stackoverflow.com/questions/2103447/is-there-any-way-at-all-that-i-can-tell-how-hard-the-screen-is-being-pressed touch with undocumented methods. In the GSEvent which is a lower level representation of UIEvent there is a structure known as GSPathInfo with members typedef struct GSPathInfo unsigned char pathIndex 0x0 0x5C unsigned char pathIdentity 0x1 0x5D..
UITableView issue when using separate delegate/dataSource http://stackoverflow.com/questions/254354/uitableview-issue-when-using-separate-delegate-datasource its own class. To accomplish this I try the following Create a new subclass of UITableViewController in Xcode Move the known good implementations of numberOfSectionsInTableView tableView numberOfRowsInSection and tableView cellForRowAtIndexPath..
Using the apple FFT and accelerate Framework http://stackoverflow.com/questions/3398753/using-the-apple-fft-and-accelerate-framework window ie a 44Hz wave. bin 2 .idealFreq 2 44Hz etc. bin 512 .idealFreq 512 44Hz The highest frequency we can detect known as the Nyquist frequency is where every pair of points represents a wave ie 512 complete waves within the window ie 512..
streaming video FROM an iPhone http://stackoverflow.com/questions/3444791/streaming-video-from-an-iphone been trying to get FFMpeg to work without much luck. Anyone have any ideas on how I can pull this off I would like a known working API or instructions on getting FFMpeg to compile properly in an iPhone app. iphone video streaming video encoding..
Strange issue after upgrading to iOS 4.1 SDK http://stackoverflow.com/questions/3677879/strange-issue-after-upgrading-to-ios-4-1-sdk app compiles. Any idea what can I do Thanks in advance Stelian iphone ios share improve this question This is a known bug with the iOS 4.1 SDK and building using LLVM for the iPhone Simulator. You can read all about it in this thread on Apple's..
Saving Geotag info with photo on iOS4.1 http://stackoverflow.com/questions/3884060/saving-geotag-info-with-photo-on-ios4-1 how to form the metadata NSDictionary that encapsulates the GPS coordinates. Can somebody post a sample code that is known to work I have also tried using iPhone Exif library to save geo info in imageData rather than using metadata but unfortunately..
http://stackoverflow.com/questions/402/iphone-app-in-landscape-mode everywhere all your fullscreen views. Hope it helps in this nightmare An important reminder of the ADDITIONAL well known problem at hand here if you are trying to swap between MORE THAN ONE view all landscape IT SIMPLY DOES NOT WORK . It is.. essential to remember this or you will waste days on the problem. It is literally NOT POSSIBLE. It is the biggest open known bug on the iOS platform. There is literally no way to make the hardware make the second view you load be landscape. The..
Inner shadow effect on UIView layer? http://stackoverflow.com/questions/4431292/inner-shadow-effect-on-uiview-layer apply a shadow CGMutablePathRef path CGPathCreateMutable when drawing the shadow for a path whichs bounding box is not known pass CGPathGetPathBoundingBox visiblePath instead of bounds in the following line 42 cuould just be any offset 0 CGPathAddRect..
Getting displacement from accelerometer data with Core Motion http://stackoverflow.com/questions/4449565/getting-displacement-from-accelerometer-data-with-core-motion translation.z userAcceleration.z What should I do to find out displacement from the acceleration in some istant with known time difference . Looking some other answers it seems like I have to integrate twice to get velocity from acceleration and..
Is it good practice to use AppDelegate for data manipulation and Handling? http://stackoverflow.com/questions/5155437/is-it-good-practice-to-use-appdelegate-for-data-manipulation-and-handling objects have their 'singleton' nature baked right into the object I prefer if I need that sort of thing to have a known point of access a kind of 'factory' if you like where you can go to obtain a shared instance. share improve this answer..
iOS WebView remote html with local image files http://stackoverflow.com/questions/5572258/ios-webview-remote-html-with-local-image-files find a solution. Here is my situation my UIWebView loads a remote html page. The images used in the web pages are known at build time. In order to make the page load faster I want to package the image files in the iOS application and substitue..
http://stackoverflow.com/questions/7798891/detect-silent-mode-in-ios5 CFStringGetLength state 0 return NO else return YES This is no longer working in iOS5 on my iPad or iPhone. Is this a known issue I haven't been able to find any answers on stack overflow or Apple dev forums. Hope you can help... iphone ios ipad..
iOS Launching Settings -> Restrictions URL Scheme http://stackoverflow.com/questions/8246070/ios-launching-settings-restrictions-url-scheme I found a list of possible URLs and Restrictions is not on it maybe it's just not found out yet. List of currently known URLs in the Settings app prefs root General path About prefs root General path ACCESSIBILITY prefs root AIRPLANE_MODE prefs..
iOS - How to implement a performSelector with multiple arguments and with afterDelay? http://stackoverflow.com/questions/8439052/ios-how-to-implement-a-performselector-with-multiple-arguments-and-with-afterd Objective C type and then pass it through the NSObject performSelector withObject afterDelay method that is well known and loved. For example NSArray arrayOfThingsIWantToPassAlong NSArray arrayWithObjects @ first @ second nil self performSelector..
How to resolve 'unrecognized selector sent to instance'? http://stackoverflow.com/questions/861626/how-to-resolve-unrecognized-selector-sent-to-instance crashes with 'unrecognized selector sent to instance'. Xcode provides a code hint for the property which means it is known in the calling app. The particular class is compiled into the static library target. What am I missing Adding some code...
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