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2014/10/15 ¤U¤È 10:13:30
iphone Programming Glossary: rollHow to customize the background color of a UITableViewCell? http://stackoverflow.com/questions/281515/how-to-customize-the-background-color-of-a-uitableviewcell
didFinishPickingMediaWithInfo return nil photo http://stackoverflow.com/questions/3088874/didfinishpickingmediawithinfo-return-nil-photo nil photo I am working to capture an image that is returned in 4.0 using void imagePickerController UIImagePickerController picker didFinishPickingMediaWithInfo NSDictionary info picker parentViewController.. to capture an image that is returned in 4.0 using void imagePickerController UIImagePickerController picker didFinishPickingMediaWithInfo NSDictionary info picker parentViewController dismissModalViewControllerAnimated.. picker didFinishPickingMediaWithInfo NSDictionary info picker parentViewController dismissModalViewControllerAnimated YES MediaType can be kUTTypeImage or kUTTypeMovie. If it's a movie..
http://stackoverflow.com/questions/3245733/apple-gyroscope-sample-code 14 0 rotMatrix 3 0 rotMatrix 7 0 rotMatrix 11 0 rotMatrix 15 1 If you want the yaw pitch and roll angles then you can access them easily using attitude.yaw attitude.pitch attitude.roll share improve..
Store orientation to an array - and compare http://stackoverflow.com/questions/6368618/store-orientation-to-an-array-and-compare And after that the user should be able to replicate the same movement. I extract the pitch roll and yaw using self.motionManager startDeviceMotionUpdatesToQueue NSOperationQueue currentQueue withHandler.. ^ CMDeviceMotion motion NSError error CMAttitude attitude motion.attitude NSLog @ pitch f roll f yaw f attitude.pitch attitude.roll attitude.yaw I'm thinking that I could store these values into.. error CMAttitude attitude motion.attitude NSLog @ pitch f roll f yaw f attitude.pitch attitude.roll attitude.yaw I'm thinking that I could store these values into an array if the user is in record mode...
Replace multiple characters in a string in Objective-C? http://stackoverflow.com/questions/713918/replace-multiple-characters-in-a-string-in-objective-c . with a blank string to remove them Can I do this easily in Objective C Or do I have to roll my own Currently I am doing multiple calls to stringByReplacingOccurrencesOfString strNew strNew stringByReplacingOccurrencesOfString..
http://stackoverflow.com/questions/905542/how-to-write-data-in-plist NSLog temp objectForKey @ name NSLog temp objectForKey @ wish NSNumber num temp valueForKey @ roll int i num intValue printf d i writitng the data in save.plist temp setValue @ green forKey @ color temp..
How to customize the background color of a UITableViewCell? http://stackoverflow.com/questions/281515/how-to-customize-the-background-color-of-a-uitableviewcell
didFinishPickingMediaWithInfo return nil photo http://stackoverflow.com/questions/3088874/didfinishpickingmediawithinfo-return-nil-photo return nil photo I am working to capture an image that is returned in 4.0 using void imagePickerController UIImagePickerController picker didFinishPickingMediaWithInfo NSDictionary info picker parentViewController dismissModalViewControllerAnimated YES MediaType can.. return nil photo I am working to capture an image that is returned in 4.0 using void imagePickerController UIImagePickerController picker didFinishPickingMediaWithInfo NSDictionary info picker parentViewController dismissModalViewControllerAnimated YES MediaType can be kUTTypeImage or kUTTypeMovie... that is returned in 4.0 using void imagePickerController UIImagePickerController picker didFinishPickingMediaWithInfo NSDictionary info picker parentViewController dismissModalViewControllerAnimated YES MediaType can be kUTTypeImage or kUTTypeMovie. If it's a movie then you can get the URL to the actual file itself. This..
http://stackoverflow.com/questions/3245733/apple-gyroscope-sample-code
Store orientation to an array - and compare http://stackoverflow.com/questions/6368618/store-orientation-to-an-array-and-compare be able to record the movement of the iPhone using the gyroscope. And after that the user should be able to replicate the same movement. I extract the pitch roll and yaw using self.motionManager startDeviceMotionUpdatesToQueue NSOperationQueue currentQueue withHandler ^ CMDeviceMotion motion NSError error CMAttitude attitude.. NSOperationQueue currentQueue withHandler ^ CMDeviceMotion motion NSError error CMAttitude attitude motion.attitude NSLog @ pitch f roll f yaw f attitude.pitch attitude.roll attitude.yaw I'm thinking that I could store these values into an array if the user is in record mode. And when the user tries.. currentQueue withHandler ^ CMDeviceMotion motion NSError error CMAttitude attitude motion.attitude NSLog @ pitch f roll f yaw f attitude.pitch attitude.roll attitude.yaw I'm thinking that I could store these values into an array if the user is in record mode. And when the user tries to replicate that movement I'm could..
Replace multiple characters in a string in Objective-C? http://stackoverflow.com/questions/713918/replace-multiple-characters-in-a-string-in-objective-c ' ' ' ' '.' '' new ...to replace all instances of the characters . with a blank string to remove them Can I do this easily in Objective C Or do I have to roll my own Currently I am doing multiple calls to stringByReplacingOccurrencesOfString strNew strNew stringByReplacingOccurrencesOfString @ withString @ strNew strNew..
http://stackoverflow.com/questions/905542/how-to-write-data-in-plist plistPath atomically YES Reading data from save.plist NSLog temp objectForKey @ name NSLog temp objectForKey @ wish NSNumber num temp valueForKey @ roll int i num intValue printf d i writitng the data in save.plist temp setValue @ green forKey @ color temp writeToFile plistPath atomically NO NSMutableDictionary..
iOS PNG Image rotated 90 degrees http://stackoverflow.com/questions/10307521/ios-png-image-rotated-90-degrees when it comes time to either copy the image out of my application onto the PasteBoard or save the image to my camera roll the image rotates 90 degrees. I've searched everywhere on this and one of the things I learned is that if I used JPEGs I.. full copy paste functionality and here's the kicker I'll write this in steps so it is easier to follow Go to my camera roll and copy an image Go into my app and press Paste image pastes just fine and I can do that all day Click the copy function..
iOS Image Orientation has Strange Behavior http://stackoverflow.com/questions/10600613/ios-image-orientation-has-strange-behavior Additionally my code to save the image to the library realizes this flips it then saves it so it appears in the camera roll properly. That code looks like so NSData pngdata UIImagePNGRepresentation self.workingImage PNG wrap UIImage img self rotateImageAppropriately..
http://stackoverflow.com/questions/1215869/thumbnail-view-of-images view of images I want to show some images as a thumbnail in View controller but i dont know how to do this. Can anyone please give me some ideas or sample code if possible. iphone objective c .. improve this question Are you asking how to create thumbnails from larger images or about how to build a view controller which displays them nicely Building a view controller You could use TTPhotoViewController from the Three20 project description.. thumbnails from larger images or about how to build a view controller which displays them nicely Building a view controller You could use TTPhotoViewController from the Three20 project description which acts similarly to the iPhone's built in..
Transition an existing paid for app to free version with In App Purchase http://stackoverflow.com/questions/1575965/transition-an-existing-paid-for-app-to-free-version-with-in-app-purchase for app on the App Store. I'd like to transition the app to a free app with unlock able features. Is there a way to roll my existing users into this new free version that allows a paid upgrade so the existing users are treated as if they've.. forward in lieu of angering our existing customers by forcing them to purchase again I'm aware that initially there prolly won't be many authoritative answers to this question as Apple has only today started allowing support for In App Purchases..
How to customize the background color of a UITableViewCell? http://stackoverflow.com/questions/281515/how-to-customize-the-background-color-of-a-uitableviewcell
didFinishPickingMediaWithInfo return nil photo http://stackoverflow.com/questions/3088874/didfinishpickingmediawithinfo-return-nil-photo return nil photo I am working to capture an image that is returned in 4.0 using void imagePickerController UIImagePickerController picker didFinishPickingMediaWithInfo NSDictionary info picker parentViewController dismissModalViewControllerAnimated.. nil photo I am working to capture an image that is returned in 4.0 using void imagePickerController UIImagePickerController picker didFinishPickingMediaWithInfo NSDictionary info picker parentViewController dismissModalViewControllerAnimated.. UIImagePickerController picker didFinishPickingMediaWithInfo NSDictionary info picker parentViewController dismissModalViewControllerAnimated YES MediaType can be kUTTypeImage or kUTTypeMovie. If it's a movie then you can get..
http://stackoverflow.com/questions/3245733/apple-gyroscope-sample-code
Saving Geotag info with photo on iOS4.1 http://stackoverflow.com/questions/3884060/saving-geotag-info-with-photo-on-ios4-1 Geotag info with photo on iOS4.1 I am having major issues trying to save a photo to camera roll with geotag info on iOS4.1. I am using following ALAssetsLibrary API void writeImageDataToSavedPhotosAlbum NSData imageData..
Compensating compass lag with the gyroscope on iPhone 4 http://stackoverflow.com/questions/4212988/compensating-compass-lag-with-the-gyroscope-on-iphone-4 me if I'm wrong please but here is what I've deduced from the CMAttitude object's yaw property I don't need pitch nor roll for my purposes yaw ranges from 0 to PI when the phone is pointing downwards as indicated by deviceMotion.gravity.z and..
Drawing waveform with AVAssetReader http://stackoverflow.com/questions/5032775/drawing-waveform-with-avassetreader c core audio ipod waveform share improve this question I was searching for a similar thing and decided to roll my own. I realize this is an old post but in case anyone else is in search of this here is my solution. it is relatively.. and dirty and normalizes the image to full scale . the images it creates are wide ie you need to put them in a UIScrollView or otherwise manage the display. this is based on some answers given to this question Sample Output EDIT I have added..
How to control the line spacing in UILabel http://stackoverflow.com/questions/5494498/how-to-control-the-line-spacing-in-uilabel question Short answer you can't. To change the spacing between lines of text you will have to subclass UILabel and roll your own drawTextInRect or create multiple labels. See How to increase a space between two lines in multiline label This..
How to display a progress indicator overlay/HUD on iPhone? http://stackoverflow.com/questions/593147/how-to-display-a-progress-indicator-overlay-hud-on-iphone so I can't make it a subview of the window. I also can't make it a subview of the table because then it will scroll up and down with the table content. I thought about creating a new UIWindow but the documentation basically says don't ... can overlap each other so that would be an option but I can't put a progress indicator inside a CALayer can I Should I roll my own progress indicator that animates a CALayer instead of a UIView I'm not interested in hearing about private APIs ...
Store orientation to an array - and compare http://stackoverflow.com/questions/6368618/store-orientation-to-an-array-and-compare iPhone using the gyroscope. And after that the user should be able to replicate the same movement. I extract the pitch roll and yaw using self.motionManager startDeviceMotionUpdatesToQueue NSOperationQueue currentQueue withHandler ^ CMDeviceMotion.. currentQueue withHandler ^ CMDeviceMotion motion NSError error CMAttitude attitude motion.attitude NSLog @ pitch f roll f yaw f attitude.pitch attitude.roll attitude.yaw I'm thinking that I could store these values into an array if the user.. motion NSError error CMAttitude attitude motion.attitude NSLog @ pitch f roll f yaw f attitude.pitch attitude.roll attitude.yaw I'm thinking that I could store these values into an array if the user is in record mode. And when the user..
Checkbox in IPhone application http://stackoverflow.com/questions/650131/checkbox-in-iphone-application iphone share improve this question Generally you would use the UISwitch for checkbox like functionality. You could roll your own though by using an image control with two images checked unchecked and switching the images when they touch the..
Replace multiple characters in a string in Objective-C? http://stackoverflow.com/questions/713918/replace-multiple-characters-in-a-string-in-objective-c instances of the characters . with a blank string to remove them Can I do this easily in Objective C Or do I have to roll my own Currently I am doing multiple calls to stringByReplacingOccurrencesOfString strNew strNew stringByReplacingOccurrencesOfString..
Core Data vs. SQLite for SQL experienced developers http://stackoverflow.com/questions/840634/core-data-vs-sqlite-for-sql-experienced-developers question is slightly misguided however. Once you get the result of a query what are you going to do with it If you roll your own you'll have to instantiate objects handle faulting uniqueing if you don't want to load the entire result of a query..
http://stackoverflow.com/questions/905542/how-to-write-data-in-plist data from save.plist NSLog temp objectForKey @ name NSLog temp objectForKey @ wish NSNumber num temp valueForKey @ roll int i num intValue printf d i writitng the data in save.plist temp setValue @ green forKey @ color temp writeToFile plistPath..
Save Photos to Custom Album in iPhones Photo Library http://stackoverflow.com/questions/10954380/save-photos-to-custom-album-in-iphones-photo-library the Photo Library of an iPhone and then save photos that I've taken with the camera or chosen from the phones Camera Roll to that custom album. I can successfully create the album but the photos are not getting saved there instead they are getting..
http://stackoverflow.com/questions/1563701/making-a-thinner-uitabbar
Using quaternion instead of roll, pitch and yaw to track device motion http://stackoverflow.com/questions/19239482/using-quaternion-instead-of-roll-pitch-and-yaw-to-track-device-motion been finding the roll pitch and yaw values as CMQuaternion quat self.motionManager.deviceMotion.attitude.quaternion myRoll radiansToDegrees atan2 2 quat.y quat.w quat.x quat.z 1 2 quat.y quat.y 2 quat.z quat.z myPitch radiansToDegrees atan2 2.. double tempYaw radiansToDegrees asin 2 quat.x quat.y quat.w quat.z double tempRoll radiansToDegrees atan2 2 quat.y quat.w quat.x quat.z 1 2 quat.y quat.y 2 quat.z quat.z double tempPitch radiansToDegrees.. atan2 2 quat.x quat.w quat.y quat.z 1 2 quat.x quat.x 2 quat.z quat.z if savingGyroOrientation YES NSLog @ Roll f degrees tempRoll NSLog @ Pitch f degrees tempPitch NSLog @ Yaw f degrees tempYaw self.deviceStatus setDouble tempRoll..
UIImage Saving image with file name on the iPhone http://stackoverflow.com/questions/2264039/uiimage-saving-image-with-file-name-on-the-iphone UIImage img method NSData imageData UIImageJPEGRepresentation img 1.0 save to the default 100Apple Camera Roll folder. imageData writeToFile @ private var mobile Media DCIM 100APPLE customImageFilename.jpg atomically NO share improve..
iphone - core motion (relative rotation) http://stackoverflow.com/questions/5053793/iphone-core-motion-relative-rotation
iOS 5: Any way to prevent keyboard splitting? http://stackoverflow.com/questions/7809997/ios-5-any-way-to-prevent-keyboard-splitting user splits the keyboard notifying them that this is not the best user experience and is not supported by your app. Roll your own keyboard IMO #1 is the best approach. Rolling your own keyboard with localization support is almost never practical...
Custom UIPageControl view, replacing dots with “Page X of Y” http://stackoverflow.com/questions/865296/custom-uipagecontrol-view-replacing-dots-with-page-x-of-y take a look at my response and sample code below for some ideas but you really shouldn't use it in production code. Roll your own subclass of UIControl if you need to modify the look feel of a UIPageControl. ORIGINAL ANSWER The UIPageControl..
http://stackoverflow.com/questions/9810209/xcode-save-a-pdf-as-image save a PDF as Image I have a question is it possible to save a PDF to Camera Roll I mean I know how to save a Picture but can you save a PDF as well tank you in advance iphone image share improve this..
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