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2014/10/15 ¤U¤È 10:14:00
iphone Programming Glossary: settingRetrieving a pixel alpha value for a UIImage http://stackoverflow.com/questions/1042830/retrieving-a-pixel-alpha-value-for-a-uiimage in fact need to translate between UIKit coordinates and Core Graphics coordinates. However after setting the blend mode my alpha values were what I expected CGContextSetBlendMode context kCGBlendModeCopy ..
Programmatically Request Access to Contacts http://stackoverflow.com/questions/12648244/programmatically-request-access-to-contacts
How do I wrap text in a UITableViewCell without a custom cell http://stackoverflow.com/questions/129502/how-do-i-wrap-text-in-a-uitableviewcell-without-a-custom-cell label UILabel label UILabel cell.contentView subviews objectAtIndex 0 then I get a valid label but setting numberOfLines on that and lineBreakMode doesn't work I still get single line text. There is plenty of..
How to force NSLocalizedString to use a specific language http://stackoverflow.com/questions/1669645/how-to-force-nslocalizedstring-to-use-a-specific-language and variants thereof access the AppleLanguages key in NSUserDefaults to determine what the user's settings for preferred languages are. This returns an array of language codes with the first one being the one.. multiple languages with a custom ordering in System Preferences You can override the global setting for your own application if you wish by using the setObject forKey method to set your own language list...
http://stackoverflow.com/questions/2371489/why-do-you-use-an-underscore-for-an-instance-variable-but-not-its-corresponding CGFloat level @property CGFloat peakLevel What is the use of declaring a varible like _level and setting its property as level.Please explain me.Thanks. iphone objective c cocoa cocoa touch share improve..
Objective-C categories in static library http://stackoverflow.com/questions/2567498/objective-c-categories-in-static-library library itself and click the project in the Project Navigator click your app's target then build settings then search for Other Linker Flags click the button and add ' ObjC'. ' all_load' and ' force_load'.. FAQ How do I link all the Objective C classes in a static library Set the Other Linker Flags build setting to ObjC. and flags descriptions all_load Loads all members of static archive libraries. ObjC Loads all.. 2010 03 categories in static library.html blog. Author say he can use category from lib without setting all_load or ObjC flag. He just add to category h m files empty dummy class interface implementation..
Build fat static library (device + simulator) using Xcode and SDK 4+ http://stackoverflow.com/questions/3520977/build-fat-static-library-device-simulator-using-xcode-and-sdk-4 the script in future but don't want to risk it now copy headers section now respects the build setting for the location of the public headers courtesy of Frederik Wallner Added explicit setting of SYMROOT.. build setting for the location of the public headers courtesy of Frederik Wallner Added explicit setting of SYMROOT maybe need OBJROOT to be set too thanks to Doug Dickinson SCRIPT this is what you have to.. your library project in another project you will need to add echo a User Search Headers build setting of NB INCLUDE THE DOUBLE QUOTES BELOW echo ' TARGET_BUILD_DIR usr local include ' if d CURRENTCONFIG_DEVICE_DIR..
Can I embed a custom font in an iPhone application? http://stackoverflow.com/questions/360751/can-i-embed-a-custom-font-in-an-iphone-application got nowhere. In one case X turned out to be relevant only on OS X not on iPhone. Consequently I am setting a bounty for this question and I will award the bounty to the first person who provides an answer using..
iphone/ipad: How exactly use NSAttributedString? http://stackoverflow.com/questions/3786528/iphone-ipad-how-exactly-use-nsattributedstring a subclass of UILabel that draws an NSAttributedString and also provides convenience methods for setting the attributes of an NSAttributedString from UIKit classes. From the sample provided in the repo #import..
parsing HTML on the iPhone [closed] http://stackoverflow.com/questions/405749/parsing-html-on-the-iphone . Requirements Add libxml2 includes to your project Menu Project Edit Project Settings Search for setting Header Search Paths Add a new search path SDKROOT usr include libxml2 Enable recursive option Add libxml2.. option Add libxml2 library to to your project Menu Project Edit Project Settings Search for setting Other Linker Flags Add a new search flag lxml2 From hpple get the following source code files an add..
How to build a framework or library for other developers, the secure way? http://stackoverflow.com/questions/4065052/how-to-build-a-framework-or-library-for-other-developers-the-secure-way
Set the maximum character length of a UITextField http://stackoverflow.com/questions/433337/set-the-maximum-character-length-of-a-uitextfield UITextField class has no max length property it's relatively simple to get this functionality by setting the text field's delegate and implementing the following delegate method BOOL textField UITextField..
How to change UIPickerView height http://stackoverflow.com/questions/573979/how-to-change-uipickerview-height to change the height of UIPickerView Some applications seem to have shorter PickerViews but setting a smaller frame doesn't seem to work and the frame is locked in Interface Builder. iphone cocoa touch..
What's the easiest way to resize/optimize an image size with the iPhone SDK? http://stackoverflow.com/questions/612131/whats-the-easiest-way-to-resize-optimize-an-image-size-with-the-iphone-sdk performance. Also some of those images are JPEGs and they are not saved as the usual 60 quality setting. How can I resize a picture with the iPhone SDK and how can I change the quality setting of a JPEG image.. quality setting. How can I resize a picture with the iPhone SDK and how can I change the quality setting of a JPEG image iphone ios image cocoa touch resize share improve this question A couple of suggestions.. 0.6 This creates an NSData instance containing the raw bytes for a JPEG image at a 60 quality setting. The contents of that NSData instance can then be written to disk or cached in memory. share improve..
Retrieving a pixel alpha value for a UIImage http://stackoverflow.com/questions/1042830/retrieving-a-pixel-alpha-value-for-a-uiimage Update @Nikolai Ruhe's suggestion was key to this. I did not in fact need to translate between UIKit coordinates and Core Graphics coordinates. However after setting the blend mode my alpha values were what I expected CGContextSetBlendMode context kCGBlendModeCopy iphone uikit core graphics quartz graphics share improve this..
Programmatically Request Access to Contacts http://stackoverflow.com/questions/12648244/programmatically-request-access-to-contacts
How do I wrap text in a UITableViewCell without a custom cell http://stackoverflow.com/questions/129502/how-do-i-wrap-text-in-a-uitableviewcell-without-a-custom-cell so if I do something like this cell.text @ create the label UILabel label UILabel cell.contentView subviews objectAtIndex 0 then I get a valid label but setting numberOfLines on that and lineBreakMode doesn't work I still get single line text. There is plenty of height in the UILabel for the text to display I'm just returning..
How to force NSLocalizedString to use a specific language http://stackoverflow.com/questions/1669645/how-to-force-nslocalizedstring-to-use-a-specific-language share improve this question NSLocalizedString and variants thereof access the AppleLanguages key in NSUserDefaults to determine what the user's settings for preferred languages are. This returns an array of language codes with the first one being the one set by the user for their phone and the subsequent ones used.. in the preferred language. on the desktop the user can specify multiple languages with a custom ordering in System Preferences You can override the global setting for your own application if you wish by using the setObject forKey method to set your own language list. This will take precedence over the globally set value and..
http://stackoverflow.com/questions/2371489/why-do-you-use-an-underscore-for-an-instance-variable-but-not-its-corresponding _level _peakLevel The property are set as @property CGFloat level @property CGFloat peakLevel What is the use of declaring a varible like _level and setting its property as level.Please explain me.Thanks. iphone objective c cocoa cocoa touch share improve this question Reminder The @property directive is equivalent..
Objective-C categories in static library http://stackoverflow.com/questions/2567498/objective-c-categories-in-static-library the application that is linking against the library not the library itself and click the project in the Project Navigator click your app's target then build settings then search for Other Linker Flags click the button and add ' ObjC'. ' all_load' and ' force_load' are no longer needed. Details I found some answers on various.. and there is also recommendation in iPhone Development FAQ How do I link all the Objective C classes in a static library Set the Other Linker Flags build setting to ObjC. and flags descriptions all_load Loads all members of static archive libraries. ObjC Loads all members of static archive libraries that implement an Objective.. with idea from http iphonedevelopmentexperiences.blogspot.com 2010 03 categories in static library.html blog. Author say he can use category from lib without setting all_load or ObjC flag. He just add to category h m files empty dummy class interface implementation to force linker use this file. And yes this trick do the job...
Build fat static library (device + simulator) using Xcode and SDK 4+ http://stackoverflow.com/questions/3520977/build-fat-static-library-device-simulator-using-xcode-and-sdk-4 have changed I can probably simplify this by changing the script in future but don't want to risk it now copy headers section now respects the build setting for the location of the public headers courtesy of Frederik Wallner Added explicit setting of SYMROOT maybe need OBJROOT to be set too thanks to Doug Dickinson.. want to risk it now copy headers section now respects the build setting for the location of the public headers courtesy of Frederik Wallner Added explicit setting of SYMROOT maybe need OBJROOT to be set too thanks to Doug Dickinson SCRIPT this is what you have to copy paste For usage install instructions see below ##########################################.. headers from PUBLIC_HEADERS_FOLDER_PATH echo if you embed your library project in another project you will need to add echo a User Search Headers build setting of NB INCLUDE THE DOUBLE QUOTES BELOW echo ' TARGET_BUILD_DIR usr local include ' if d CURRENTCONFIG_DEVICE_DIR PUBLIC_HEADERS_FOLDER_PATH then mkdir p CREATING_UNIVERSAL_DIR..
Can I embed a custom font in an iPhone application? http://stackoverflow.com/questions/360751/can-i-embed-a-custom-font-in-an-iphone-application X or Y. I've experimented extensively with all of these and got nowhere. In one case X turned out to be relevant only on OS X not on iPhone. Consequently I am setting a bounty for this question and I will award the bounty to the first person who provides an answer using only documented APIs who responds with sufficient information..
iphone/ipad: How exactly use NSAttributedString? http://stackoverflow.com/questions/3786528/iphone-ipad-how-exactly-use-nsattributedstring should take a look at AliSoftware's OHAttributedLabel . It is a subclass of UILabel that draws an NSAttributedString and also provides convenience methods for setting the attributes of an NSAttributedString from UIKit classes. From the sample provided in the repo #import NSAttributedString Attributes.h #import OHAttributedLabel.h..
parsing HTML on the iPhone [closed] http://stackoverflow.com/questions/405749/parsing-html-on-the-iphone Using it you can send an XPath query and receive the result . Requirements Add libxml2 includes to your project Menu Project Edit Project Settings Search for setting Header Search Paths Add a new search path SDKROOT usr include libxml2 Enable recursive option Add libxml2 library to to your project Menu Project Edit Project Settings.. Add a new search path SDKROOT usr include libxml2 Enable recursive option Add libxml2 library to to your project Menu Project Edit Project Settings Search for setting Other Linker Flags Add a new search flag lxml2 From hpple get the following source code files an add them to your project TFpple.h TFpple.m TFppleElement.h TFppleElement.m..
How to build a framework or library for other developers, the secure way? http://stackoverflow.com/questions/4065052/how-to-build-a-framework-or-library-for-other-developers-the-secure-way
Set the maximum character length of a UITextField http://stackoverflow.com/questions/433337/set-the-maximum-character-length-of-a-uitextfield touch uitextfield share improve this question While the UITextField class has no max length property it's relatively simple to get this functionality by setting the text field's delegate and implementing the following delegate method BOOL textField UITextField textField shouldChangeCharactersInRange NSRange range replacementString..
How to change UIPickerView height http://stackoverflow.com/questions/573979/how-to-change-uipickerview-height to change UIPickerView height Is it possible to change the height of UIPickerView Some applications seem to have shorter PickerViews but setting a smaller frame doesn't seem to work and the frame is locked in Interface Builder. iphone cocoa touch uikit uipickerview share improve this question It seems..
What's the easiest way to resize/optimize an image size with the iPhone SDK? http://stackoverflow.com/questions/612131/whats-the-easiest-way-to-resize-optimize-an-image-size-with-the-iphone-sdk resizing the image to something a bit smaller to save on space performance. Also some of those images are JPEGs and they are not saved as the usual 60 quality setting. How can I resize a picture with the iPhone SDK and how can I change the quality setting of a JPEG image iphone ios image cocoa touch resize share improve this.. those images are JPEGs and they are not saved as the usual 60 quality setting. How can I resize a picture with the iPhone SDK and how can I change the quality setting of a JPEG image iphone ios image cocoa touch resize share improve this question A couple of suggestions are provided as answers to this question . I had suggested..
Retrieving a pixel alpha value for a UIImage http://stackoverflow.com/questions/1042830/retrieving-a-pixel-alpha-value-for-a-uiimage to this. I did not in fact need to translate between UIKit coordinates and Core Graphics coordinates. However after setting the blend mode my alpha values were what I expected CGContextSetBlendMode context kCGBlendModeCopy iphone uikit core graphics..
Programmatically Request Access to Contacts http://stackoverflow.com/questions/12648244/programmatically-request-access-to-contacts
How do I wrap text in a UITableViewCell without a custom cell http://stackoverflow.com/questions/129502/how-do-i-wrap-text-in-a-uitableviewcell-without-a-custom-cell @ create the label UILabel label UILabel cell.contentView subviews objectAtIndex 0 then I get a valid label but setting numberOfLines on that and lineBreakMode doesn't work I still get single line text. There is plenty of height in the UILabel..
How to force NSLocalizedString to use a specific language http://stackoverflow.com/questions/1669645/how-to-force-nslocalizedstring-to-use-a-specific-language NSLocalizedString and variants thereof access the AppleLanguages key in NSUserDefaults to determine what the user's settings for preferred languages are. This returns an array of language codes with the first one being the one set by the user for.. the user can specify multiple languages with a custom ordering in System Preferences You can override the global setting for your own application if you wish by using the setObject forKey method to set your own language list. This will take..
http://stackoverflow.com/questions/2371489/why-do-you-use-an-underscore-for-an-instance-variable-but-not-its-corresponding set as @property CGFloat level @property CGFloat peakLevel What is the use of declaring a varible like _level and setting its property as level.Please explain me.Thanks. iphone objective c cocoa cocoa touch share improve this question Reminder..
Objective-C categories in static library http://stackoverflow.com/questions/2567498/objective-c-categories-in-static-library the library not the library itself and click the project in the Project Navigator click your app's target then build settings then search for Other Linker Flags click the button and add ' ObjC'. ' all_load' and ' force_load' are no longer needed... iPhone Development FAQ How do I link all the Objective C classes in a static library Set the Other Linker Flags build setting to ObjC. and flags descriptions all_load Loads all members of static archive libraries. ObjC Loads all members of static.. 2010 03 categories in static library.html blog. Author say he can use category from lib without setting all_load or ObjC flag. He just add to category h m files empty dummy class interface implementation to force linker use..
Build fat static library (device + simulator) using Xcode and SDK 4+ http://stackoverflow.com/questions/3520977/build-fat-static-library-device-simulator-using-xcode-and-sdk-4 this by changing the script in future but don't want to risk it now copy headers section now respects the build setting for the location of the public headers courtesy of Frederik Wallner Added explicit setting of SYMROOT maybe need OBJROOT.. now respects the build setting for the location of the public headers courtesy of Frederik Wallner Added explicit setting of SYMROOT maybe need OBJROOT to be set too thanks to Doug Dickinson SCRIPT this is what you have to copy paste For usage.. echo if you embed your library project in another project you will need to add echo a User Search Headers build setting of NB INCLUDE THE DOUBLE QUOTES BELOW echo ' TARGET_BUILD_DIR usr local include ' if d CURRENTCONFIG_DEVICE_DIR PUBLIC_HEADERS_FOLDER_PATH..
Can I embed a custom font in an iPhone application? http://stackoverflow.com/questions/360751/can-i-embed-a-custom-font-in-an-iphone-application all of these and got nowhere. In one case X turned out to be relevant only on OS X not on iPhone. Consequently I am setting a bounty for this question and I will award the bounty to the first person who provides an answer using only documented..
iphone/ipad: How exactly use NSAttributedString? http://stackoverflow.com/questions/3786528/iphone-ipad-how-exactly-use-nsattributedstring . It is a subclass of UILabel that draws an NSAttributedString and also provides convenience methods for setting the attributes of an NSAttributedString from UIKit classes. From the sample provided in the repo #import NSAttributedString..
parsing HTML on the iPhone [closed] http://stackoverflow.com/questions/405749/parsing-html-on-the-iphone receive the result . Requirements Add libxml2 includes to your project Menu Project Edit Project Settings Search for setting Header Search Paths Add a new search path SDKROOT usr include libxml2 Enable recursive option Add libxml2 library to to.. libxml2 Enable recursive option Add libxml2 library to to your project Menu Project Edit Project Settings Search for setting Other Linker Flags Add a new search flag lxml2 From hpple get the following source code files an add them to your project..
How to build a framework or library for other developers, the secure way? http://stackoverflow.com/questions/4065052/how-to-build-a-framework-or-library-for-other-developers-the-secure-way
Set the maximum character length of a UITextField http://stackoverflow.com/questions/433337/set-the-maximum-character-length-of-a-uitextfield question While the UITextField class has no max length property it's relatively simple to get this functionality by setting the text field's delegate and implementing the following delegate method BOOL textField UITextField textField shouldChangeCharactersInRange..
How to change UIPickerView height http://stackoverflow.com/questions/573979/how-to-change-uipickerview-height height Is it possible to change the height of UIPickerView Some applications seem to have shorter PickerViews but setting a smaller frame doesn't seem to work and the frame is locked in Interface Builder. iphone cocoa touch uikit uipickerview..
What's the easiest way to resize/optimize an image size with the iPhone SDK? http://stackoverflow.com/questions/612131/whats-the-easiest-way-to-resize-optimize-an-image-size-with-the-iphone-sdk to save on space performance. Also some of those images are JPEGs and they are not saved as the usual 60 quality setting. How can I resize a picture with the iPhone SDK and how can I change the quality setting of a JPEG image iphone ios image.. saved as the usual 60 quality setting. How can I resize a picture with the iPhone SDK and how can I change the quality setting of a JPEG image iphone ios image cocoa touch resize share improve this question A couple of suggestions are provided..
What do I have to do to get Core Data to automatically migrate models? http://stackoverflow.com/questions/1018155/what-do-i-have-to-do-to-get-core-data-to-automatically-migrate-models models. UPDATE 15 07 2011 Thanks to @ rockstarberlin for pointing out there is updated documentation at apple Xcode 4 Setting a Managed Object Model ™s Current Version Update 8 19 2013 better link https developer.apple.com library ios documentation..
http://stackoverflow.com/questions/1080043/how-to-disable-multitouch buttons when a button gets the Touch Down event. Here's an example of the latter which worked better in my testing. Setting exclusiveTouch for the buttons kind of worked but led to some interesting problems when you moved your finger off the edge..
How can I animate the movement of a view or image along a curved path? http://stackoverflow.com/questions/1142727/how-can-i-animate-the-movement-of-a-view-or-image-along-a-curved-path kCAAnimationPaced pathAnimation.fillMode kCAFillModeForwards pathAnimation.removedOnCompletion NO Setting Endpoint of the animation CGPoint endPoint CGPointMake 480.0f 30.0f 40.0f to end animation in last tab use CGPoint endPoint..
Setting action for back button in navigation controller http://stackoverflow.com/questions/1214965/setting-action-for-back-button-in-navigation-controller action for back button in navigation controller I'm trying to overwrite the default action of the back button in a navigation..
libxml/tree.h no such file or directory http://stackoverflow.com/questions/1428847/libxml-tree-h-no-such-file-or-directory help me. iphone objective c xcode libxml2 libxml share improve this question Follow the directions here under Setting up your project file. Setting up your project file You need to add libxml2.dylib to your project don't put it in the Frameworks.. c xcode libxml2 libxml share improve this question Follow the directions here under Setting up your project file. Setting up your project file You need to add libxml2.dylib to your project don't put it in the Frameworks section . On the Mac you'll.. a nice friendly .framework we still have one more thing to do. Go to the Project build settings Project Edit Project Settings Build and find the Search Paths . In Header Search Paths add the following path SDKROOT usr include libxml2 Also see the..
Setting an image for a UIButton in code http://stackoverflow.com/questions/1469474/setting-an-image-for-a-uibutton-in-code an image for a UIButton in code How do you set the image for a UIButton in code I have this UIButton btnTwo UIButton buttonWithType..
Make UINavigationBar transparent http://stackoverflow.com/questions/2315862/make-uinavigationbar-transparent UIBarMetricsDefault self.navigationBar.shadowImage UIImage new self.navigationBar.translucent YES Discussion Setting translucent to YES on the navigation bar does the trick due to a behavior discussed in the UINavigationBar documentation...
Finding the direction of scrolling in a UIScrollView? http://stackoverflow.com/questions/2543670/finding-the-direction-of-scrolling-in-a-uiscrollview do whatever you need to with scrollDirection here. I'm using the following enum to define direction. Setting the first value to ScrollDirectionNone has the added benefit of making that direction the default when initializing variables..
UIDatePicker - Problem Localizing http://stackoverflow.com/questions/2894161/uidatepicker-problem-localizing is created in Interface Builder and I have created a seperate localization XIB so I can customize my UIDatePicker. Setting the Locale option in IB appears to do nothing. Attempting to change my DatePicker programatically with Locale and NSCalender.. language not the Region Format. Anyway to simulate the localized DatePicker in the Simulator Exit your app go to Settings. Select General Select International Select the bottom option Region Format. Change to the desired region. Relaunch your..
Setting the iPhone keyboard language http://stackoverflow.com/questions/330542/setting-the-iphone-keyboard-language the iPhone keyboard language I'd like the iPhone virtual keyboard to appear pre set to a particular language Russian for..
Setting direction for UISwipeGestureRecognizer http://stackoverflow.com/questions/3319209/setting-direction-for-uiswipegesturerecognizer direction for UISwipeGestureRecognizer I want to add simple swipe gesture recognition to my view based iPhone project...
UISwitch in a UITableView cell http://stackoverflow.com/questions/3770019/uiswitch-in-a-uitableview-cell cell.accessoryView mySwitch iphone objective c cocoa touch uitableview uiswitch share improve this question Setting it as the accessoryView is usually the way to go. You can set it up in tableView cellForRowAtIndexPath You may want to use..
iPhone Development - Setting UIWebView font http://stackoverflow.com/questions/449773/iphone-development-setting-uiwebview-font Development Setting UIWebView font I have to show rich text that i pull from server so i'm using UIWebView. Now the problem is that i have..
Setting up a plist to store application data (not settings) for an iPhone game http://stackoverflow.com/questions/4911688/setting-up-a-plist-to-store-application-data-not-settings-for-an-iphone-game up a plist to store application data not settings for an iPhone game I am writing an iPhone game and have it working well..
Opening the Settings app from another app http://stackoverflow.com/questions/5655674/opening-the-settings-app-from-another-app the Settings app from another app Ok i know that there are many question about it but they are all from many time ago. So...I know.. Map app does it. In the Map app if I turn off the localization for this app it send me a message and if I press ok the Settings App will be open. And my question is how is this possible How can i open the Setting app from my own app Basically i need.. a message and if I press ok the Settings App will be open. And my question is how is this possible How can i open the Setting app from my own app Basically i need to do the same thing if the user turn off the location for my app then i'll show him..
UINavigationBar's drawRect is not called in iOS 5.0 http://stackoverflow.com/questions/7657465/uinavigationbars-drawrect-is-not-called-in-ios-5-0 working. What should I do iphone ios background uinavigationbar ios5 compatibility share improve this question Setting custom background for UINavigationBar to support iOS5 and iOS4 too http www.mladjanantic.com setting custom background for..
Setting a background image for a tabbar http://stackoverflow.com/questions/8909379/setting-a-background-image-for-a-tabbar a background image for a tabbar I'm trying to programmatically set the background image for a tabbar in my app. My code..
Setting background color of a table view cell on iPhone http://stackoverflow.com/questions/900094/setting-background-color-of-a-table-view-cell-on-iphone background color of a table view cell on iPhone I want to achieve the effect where one cell of the table view will have..
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