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2014/10/15 ¤U¤È 10:04:36
iphone Programming Glossary: blackRetrieving a pixel alpha value for a UIImage http://stackoverflow.com/questions/1042830/retrieving-a-pixel-alpha-value-for-a-uiimage unsigned char alpha rawData byteIndex 3 However I don't get the values I expect. For a completely black transparent area of the image I get non zero values for the alpha channel. Do I need to translate the..
How do I make UILabel display outlined text? http://stackoverflow.com/questions/1103148/how-do-i-make-uilabel-display-outlined-text do I make UILabel display outlined text All I want is a one pixel black border around my white UILabel text. I got as far as subclassing UILabel with the code below which I..
How to develop or migrate apps for iPhone 5 screen resolution? http://stackoverflow.com/questions/12395200/how-to-develop-or-migrate-apps-for-iphone-5-screen-resolution image for your app. This is how you get 1136 px screen height without it you will get 960 px with black margins on top and bottom . Test your app and hopefully do nothing else since everything should work..
iOS 6 apps - how to deal with iPhone 5 screen size? [duplicate] http://stackoverflow.com/questions/12396545/ios-6-apps-how-to-deal-with-iphone-5-screen-size presentation. They will be letterboxed or basically the extra 88 points in height would simply be black. If you only plan to support iOS 6 then definitely consider using Auto Layout. It removes all fixed.. then you could go with the default letterboxed model where the extra points pixels just show up black. Edit To enable your apps to work with iPhone 5 you need to add a retina version of the launcher image...
iPhone UITextField - Change placeholder text color http://stackoverflow.com/questions/1340224/iphone-uitextfield-change-placeholder-text-color I'd like to change the color of the placeholder text I set in my UITextField controls to make it black. I'd prefer to do this without using normal text as the placeholder and having to override all the methods..
Resize UIImage with aspect ratio? http://stackoverflow.com/questions/1703100/resize-uiimage-with-aspect-ratio resized image. I'd like to modify this so that it keeps the correct aspect ratio and just puts a black background anywhere the image doesn't show up. So I would still end up with a 320x480 image but with.. anywhere the image doesn't show up. So I would still end up with a 320x480 image but with black on the top and bottom or sides depending on the original image size. Is there an easy way to do this.. screenRect make sure factor is greater than or equal to one e.g. factor fmax factor 1 . To get the black background you would probably just want to set the context color to black and call fillRect before drawing..
iOS SDK - Programmatically generate a PDF file http://stackoverflow.com/questions/4362734/ios-sdk-programmatically-generate-a-pdf-file now it's time to draw to it Starts our first page CGContextBeginPage pdfContext pageRect Draws a black rectangle around the page inset by 50 on all sides CGContextStrokeRect pdfContext CGRectMake 50 50 pageRect.size.width..
Changing Tint / Background color of UITabBar http://stackoverflow.com/questions/571028/changing-tint-background-color-of-uitabbar same thing to the UITabBar in my application but have found now way to change it from the default black color. Any ideas iphone uitabbarcontroller share improve this question I have been able to make..
Detecting Color of iPhone/iPad/iPod touch? http://stackoverflow.com/questions/8463212/detecting-color-of-iphone-ipad-ipod-touch Color of iPhone iPad iPod touch Is there any way or hack to detect on what color black white iPhone iPad or iPod touch the iOS is installed I want to load corresponding UI skins in case of.. number is the key If aabccdddeef is the serial number of the iPhone 4 ee represents the Color A4 black . I hope some of you here check this information with yours to see if this is true. share improve this..
View Controllers: How to switch between views programmatically? http://stackoverflow.com/questions/910994/view-controllers-how-to-switch-between-views-programmatically ViewControllerA and ViewControllerB. ViewControllerA has a blue background ViewControllerB has a black background. Just to see which one is active. So in the implementation of myRootController I do this..
Retrieving a pixel alpha value for a UIImage http://stackoverflow.com/questions/1042830/retrieving-a-pixel-alpha-value-for-a-uiimage bytesPerRow uiViewPoint.y uiViewPoint.x bytesPerPixel unsigned char alpha rawData byteIndex 3 However I don't get the values I expect. For a completely black transparent area of the image I get non zero values for the alpha channel. Do I need to translate the co ordinates between UIKit and Core Graphics i.e is the y..
How do I make UILabel display outlined text? http://stackoverflow.com/questions/1103148/how-do-i-make-uilabel-display-outlined-text do I make UILabel display outlined text All I want is a one pixel black border around my white UILabel text. I got as far as subclassing UILabel with the code below which I clumsily cobbled together from a few tangentially related online..
How to develop or migrate apps for iPhone 5 screen resolution? http://stackoverflow.com/questions/12395200/how-to-develop-or-migrate-apps-for-iphone-5-screen-resolution and install latest version of Xcode . Set a 4 inch launch image for your app. This is how you get 1136 px screen height without it you will get 960 px with black margins on top and bottom . Test your app and hopefully do nothing else since everything should work magically if you had set auto resizing masks properly. If you..
iOS 6 apps - how to deal with iPhone 5 screen size? [duplicate] http://stackoverflow.com/questions/12396545/ios-6-apps-how-to-deal-with-iphone-5-screen-size stretched screen from what I could tell in today's presentation. They will be letterboxed or basically the extra 88 points in height would simply be black. If you only plan to support iOS 6 then definitely consider using Auto Layout. It removes all fixed layout handling and instead uses constraints to lay things out... have two UIs pre iPhone 5 and iPhone 5 . If that sounds ugly then you could go with the default letterboxed model where the extra points pixels just show up black. Edit To enable your apps to work with iPhone 5 you need to add a retina version of the launcher image. It should be named Default 568h@2x.png . And it has to be..
iPhone UITextField - Change placeholder text color http://stackoverflow.com/questions/1340224/iphone-uitextfield-change-placeholder-text-color UITextField Change placeholder text color I'd like to change the color of the placeholder text I set in my UITextField controls to make it black. I'd prefer to do this without using normal text as the placeholder and having to override all the methods to imitate the behaviour of a placeholder. I believe..
Resize UIImage with aspect ratio? http://stackoverflow.com/questions/1703100/resize-uiimage-with-aspect-ratio long as the aspect ratio of the image matches that of the new resized image. I'd like to modify this so that it keeps the correct aspect ratio and just puts a black background anywhere the image doesn't show up. So I would still end up with a 320x480 image but with black on the top and bottom or sides depending on the original.. it keeps the correct aspect ratio and just puts a black background anywhere the image doesn't show up. So I would still end up with a 320x480 image but with black on the top and bottom or sides depending on the original image size. Is there an easy way to do this similar to what I'm doing Thanks iphone uiimage core graphics..
iOS SDK - Programmatically generate a PDF file http://stackoverflow.com/questions/4362734/ios-sdk-programmatically-generate-a-pdf-file myDictionary CFRelease url Done creating our PDF Context now it's time to draw to it Starts our first page CGContextBeginPage pdfContext pageRect Draws a black rectangle around the page inset by 50 on all sides CGContextStrokeRect pdfContext CGRectMake 50 50 pageRect.size.width 100 pageRect.size.height 100 This code block..
Changing Tint / Background color of UITabBar http://stackoverflow.com/questions/571028/changing-tint-background-color-of-uitabbar surprising I know of both of those items. I want to do the same thing to the UITabBar in my application but have found now way to change it from the default black color. Any ideas iphone uitabbarcontroller share improve this question I have been able to make it work by subclassing a UITabBarController and using private..
Detecting Color of iPhone/iPad/iPod touch? http://stackoverflow.com/questions/8463212/detecting-color-of-iphone-ipad-ipod-touch Color of iPhone iPad iPod touch Is there any way or hack to detect on what color black white iPhone iPad or iPod touch the iOS is installed I want to load corresponding UI skins in case of Black or White devices. iphone objective c ios share improve..
View Controllers: How to switch between views programmatically? http://stackoverflow.com/questions/910994/view-controllers-how-to-switch-between-views-programmatically created two other View Controllers pretty much the same way. ViewControllerA and ViewControllerB. ViewControllerA has a blue background ViewControllerB has a black background. Just to see which one is active. So in the implementation of myRootController I do this Implement viewDidLoad to do additional setup after loading the..
Retrieving a pixel alpha value for a UIImage http://stackoverflow.com/questions/1042830/retrieving-a-pixel-alpha-value-for-a-uiimage bytesPerPixel unsigned char alpha rawData byteIndex 3 However I don't get the values I expect. For a completely black transparent area of the image I get non zero values for the alpha channel. Do I need to translate the co ordinates between..
How do I make UILabel display outlined text? http://stackoverflow.com/questions/1103148/how-do-i-make-uilabel-display-outlined-text do I make UILabel display outlined text All I want is a one pixel black border around my white UILabel text. I got as far as subclassing UILabel with the code below which I clumsily cobbled together..
How to develop or migrate apps for iPhone 5 screen resolution? http://stackoverflow.com/questions/12395200/how-to-develop-or-migrate-apps-for-iphone-5-screen-resolution Set a 4 inch launch image for your app. This is how you get 1136 px screen height without it you will get 960 px with black margins on top and bottom . Test your app and hopefully do nothing else since everything should work magically if you had..
iOS 6 apps - how to deal with iPhone 5 screen size? [duplicate] http://stackoverflow.com/questions/12396545/ios-6-apps-how-to-deal-with-iphone-5-screen-size tell in today's presentation. They will be letterboxed or basically the extra 88 points in height would simply be black. If you only plan to support iOS 6 then definitely consider using Auto Layout. It removes all fixed layout handling and.. . If that sounds ugly then you could go with the default letterboxed model where the extra points pixels just show up black. Edit To enable your apps to work with iPhone 5 you need to add a retina version of the launcher image. It should be named..
Cocos2D 2.0 screenshots on iOS 6 http://stackoverflow.com/questions/12413460/cocos2d-2-0-screenshots-on-ios-6 22#post 180983 Users seem to agree that this is working on iOS 5 but I have tested this on iOS 6 and it is producing black screenshots. I am not a specialist in Cocos2D so I cannot say exactly what is wrong with this guy's code. the author has.. what is wrong with this guy's code. the author has a sample project on github and even his project is producing black screenshots on iOS 6. Any clues Thanks. thanks iphone ios ipad cocos2d iphone share improve this question I am not..
iPhone UITextField - Change placeholder text color http://stackoverflow.com/questions/1340224/iphone-uitextfield-change-placeholder-text-color text color I'd like to change the color of the placeholder text I set in my UITextField controls to make it black. I'd prefer to do this without using normal text as the placeholder and having to override all the methods to imitate the..
How can i take an UIImage and give it a black border? http://stackoverflow.com/questions/1354811/how-can-i-take-an-uiimage-and-give-it-a-black-border can i take an UIImage and give it a black border How can I set the border of a UIImage iphone ios objective c uiimageview uiimage share improve this question..
Preventing a UITabBar from applying a gradient to its icon images http://stackoverflow.com/questions/1355480/preventing-a-uitabbar-from-applying-a-gradient-to-its-icon-images tab1ViewController.tabBarItem item tab bar set background image will be used instead of glossy black tabBarController.tabBar.backgroundImage UIImage imageNamed @ tab_bar_bg.png optionally set the tint color setting this ti..
Resize UIImage with aspect ratio? http://stackoverflow.com/questions/1703100/resize-uiimage-with-aspect-ratio that of the new resized image. I'd like to modify this so that it keeps the correct aspect ratio and just puts a black background anywhere the image doesn't show up. So I would still end up with a 320x480 image but with black on the top and.. just puts a black background anywhere the image doesn't show up. So I would still end up with a 320x480 image but with black on the top and bottom or sides depending on the original image size. Is there an easy way to do this similar to what I'm.. smaller than the screenRect make sure factor is greater than or equal to one e.g. factor fmax factor 1 . To get the black background you would probably just want to set the context color to black and call fillRect before drawing the image. ..
iOS SDK - Programmatically generate a PDF file http://stackoverflow.com/questions/4362734/ios-sdk-programmatically-generate-a-pdf-file our PDF Context now it's time to draw to it Starts our first page CGContextBeginPage pdfContext pageRect Draws a black rectangle around the page inset by 50 on all sides CGContextStrokeRect pdfContext CGRectMake 50 50 pageRect.size.width 100..
XCode 4 says “finished running <my app>” on the targeted device — Nothing happens http://stackoverflow.com/questions/5292286/xcode-4-says-finished-running-my-app-on-the-targeted-device-nothing-happe then it says running my project on then it says finished running . Throughout this entire period the iPod screen stays black. The iPod is being detected in the Organizer and I don't see anything wrong with its configuration. Everything was working..
Changing Tint / Background color of UITabBar http://stackoverflow.com/questions/571028/changing-tint-background-color-of-uitabbar I want to do the same thing to the UITabBar in my application but have found now way to change it from the default black color. Any ideas iphone uitabbarcontroller share improve this question I have been able to make it work by subclassing..
How do I change the color of the side Alphabet in an indexed UITableView? http://stackoverflow.com/questions/750119/how-do-i-change-the-color-of-the-side-alphabet-in-an-indexed-uitableview NSString title atIndex NSInteger index My problem is that my application has just been skinned black. And so now it's hard to see the alphabet letters on the side. I can't figure out how to change the color of the alphabet...
Detecting Color of iPhone/iPad/iPod touch? http://stackoverflow.com/questions/8463212/detecting-color-of-iphone-ipad-ipod-touch Color of iPhone iPad iPod touch Is there any way or hack to detect on what color black white iPhone iPad or iPod touch the iOS is installed I want to load corresponding UI skins in case of Black or White devices...
View Controllers: How to switch between views programmatically? http://stackoverflow.com/questions/910994/view-controllers-how-to-switch-between-views-programmatically much the same way. ViewControllerA and ViewControllerB. ViewControllerA has a blue background ViewControllerB has a black background. Just to see which one is active. So in the implementation of myRootController I do this Implement viewDidLoad..
How to capture the black and white video http://stackoverflow.com/questions/10975758/how-to-capture-the-black-and-white-video
Status bar tint color changes to black in iOS 6 http://stackoverflow.com/questions/12965214/status-bar-tint-color-changes-to-black-in-ios-6 line solution. After testing for a while the following worked for me In the Project Summary select Status Bar Style Black Transculent from the drop down menu. In application didFinishLaunchingWithOptions enter the following line of code self.window.backgroundColor..
http://stackoverflow.com/questions/13248680/ocr-using-opencv Histogram Equalization equalizeHist src dst iv.image self UIImageFromCVMat src Thanks 1 After convert in GRAY 2 Apply Black and White effect 3 Remove dark black background and change image orientation. iphone objective c ios opencv share improve..
Setting UILabel - Font through code - generates error - iPhone http://stackoverflow.com/questions/1380490/setting-uilabel-font-through-code-generates-error-iphone UIColor colorWithRed 14.0 255.0 green 105.0 255 blue 128.0 255 alpha 1.0 tmp setFont UIFont fontWithName @ Arial Black size 18 tmp.text @ sagar tmp.backgroundColor UIColor clearColor self.view addSubview tmp tmp release I have just mentioned.. @ sagar tmp.backgroundColor UIColor clearColor self.view addSubview tmp tmp release I have just mentioned #Arial Black# instead #Arial# . However it isn't working. Is it because of iPhone doesn't support Arial Black I would like to know why.. just mentioned #Arial Black# instead #Arial# . However it isn't working. Is it because of iPhone doesn't support Arial Black I would like to know why it isn't working. How many different kind of font does iPhone support Is there any list How to..
How to access iPhone's general accessibility settings http://stackoverflow.com/questions/2175624/how-to-access-iphones-general-accessibility-settings accessibility settings I need to know whether the user has turn on features such as Speak Auto text or White on Black and respond to that programatically. I don't need to change the values only read them. Also if there's a way of defining..
Using a UISegmentedControl in the footer of UIPopoverController http://stackoverflow.com/questions/3284111/using-a-uisegmentedcontrol-in-the-footer-of-uipopovercontroller popover The iPad HIG suggests using a bottom aligned UIToolbar but the appearance is incorrect. This screenshot shows Black Opaque but none of the standard styles match Keynote. Any advice on recreating the Keynote look would be appreciated. If..
Convert Image to B&W problem CGContext - iPhone Dev http://stackoverflow.com/questions/3340564/convert-image-to-bw-problem-cgcontext-iphone-dev the next view. But if is taken in landscape it is just find. I can only duplicate this bug when I convert the image to Black And White. Here is the method I am using. Im not 100 that this bug is from the conversion but it only happens when its converted...
Iphone convert color image to 2bit image (black-white) http://stackoverflow.com/questions/4030430/iphone-convert-color-image-to-2bit-image-black-white and convert to B W with a supplied threshold and retain its transparency. Technically this is still RGBA but more of Black White and Transparency. e.g. UIImage originalImage UIImage imageNamed @ option_bluetooth.png unsigned char pixelBuffer GraphicsUtils..
How to sort a NSArray which contains NSDictionary? http://stackoverflow.com/questions/4767219/how-to-sort-a-nsarray-which-contains-nsdictionary key array dict key highscoreInSeconds key string 9 string key levelName key string 1 string key name key string Black string dict dict key highscoreInSeconds key string 12 string key levelName key string 1 string key name key string Black.. string dict dict key highscoreInSeconds key string 12 string key levelName key string 1 string key name key string Black string dict array dict plist Now I want to sort this by the highscoreInSeconds . NSArray paths NSSearchPathForDirectoriesInDomains.. key array dict key highscoreInSeconds key string 12 string key levelName key string 1 string key name key string Black string dict dict key highscoreInSeconds key string 9 string key levelName key string 1 string key name key string Black..
How to apply “filters” to AVCaptureVideoPreviewLayer http://stackoverflow.com/questions/5156872/how-to-apply-filters-to-avcapturevideopreviewlayer the output. For example I would like to toggle a setting that converts the video coming in on the preview layer to Black White. I found a question here that seems to accomplish something similar by capturing the individual video frames in a..
Using iPhone default Alarm sounds in application [duplicate] http://stackoverflow.com/questions/5644021/using-iphone-default-alarm-sounds-in-application Library Ringtones System sounds System Library Audio UISounds Or use 'AudioServicesPlaySystemSound ' like mentioned by Black Frog. Note This method is undocumented and will cause AppStore rejection. Download link for system sounds comment by clusterfu_k..
Recording video in Black and White http://stackoverflow.com/questions/7113639/recording-video-in-black-and-white video in Black and White I am making an app that uses AVFoundation and an AVCaptureSession to record video. I would like to record the..
http://stackoverflow.com/questions/7681004/view-offset-by-navigation-bar Metrics so that the top Y coordinate is 44 as opposed to zero. Oh and make sure your navigation bar isn't set to Black Translucent but Black Opaque. To manually correct set self.view.bounds to the right co ordinates in your featured view's.. the top Y coordinate is 44 as opposed to zero. Oh and make sure your navigation bar isn't set to Black Translucent but Black Opaque. To manually correct set self.view.bounds to the right co ordinates in your featured view's viewWillAppear or viewDidLoad..
Detecting Color of iPhone/iPad/iPod touch? http://stackoverflow.com/questions/8463212/detecting-color-of-iphone-ipad-ipod-touch what color black white iPhone iPad or iPod touch the iOS is installed I want to load corresponding UI skins in case of Black or White devices. iphone objective c ios share improve this question The answer to the question is NO as of now and..
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