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2014/10/15 ¤U¤È 10:11:17
iphone Programming Glossary: manyHow to programmatically send SMS on the iPhone? http://stackoverflow.com/questions/10848/how-to-programmatically-send-sms-on-the-iphone devices to send SMS as long as they have internet access so it may still be a better solution for many applications. Alternately use both and only fall back to an online SMS service when the device doesn't..
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 think Apple will require you to check the screen size every time you have to draw something like many answers say. Does that happen with the iPad iphone ios iphone 5 share improve this question All..
Add UIPickerView & a Button in Action sheet - How? http://stackoverflow.com/questions/1262574/add-uipickerview-a-button-in-action-sheet-how to show the action sheet with a modal view controller containing a simple tableview. There are many ways to accomplish this. Here's one way that I just implemented in a current project. It's nice because..
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 size 17.0 You'll notice that I set the number of lines for the label to 0. This lets it use as many lines as it needs. The next part is to specify how large your UITableViewCell will be so do that in..
JSON and Core Data on the iPhone http://stackoverflow.com/questions/2362323/json-and-core-data-on-the-iphone Core Data on the iPhone I have a core data object graph consisting of two entities linked by a to many relationship . I was curious as a relatively inexperienced iPhone developer whether anyone could recommend..
Remove HTML Tags from an NSString on the iPhone http://stackoverflow.com/questions/277055/remove-html-tags-from-an-nsstring-on-the-iphone it. Unfortunately the iPhone doesn't support NSAttributedString or NSXMLDocument. There are too many edge cases and malformed HTML documents for me to feel comfortable using regex or NSScanner. Does anyone..
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 Public Headers in your drag dropped project. The workaround dont' embed xcode projects too many bugs in Apple's code If you can't find the output file here's a workaround Add the following code to..
iphone/ipad: How exactly use NSAttributedString? http://stackoverflow.com/questions/3786528/iphone-ipad-how-exactly-use-nsattributedstring ipad How exactly use NSAttributedString Yes many people are saying about Rich Text in iphone ipad and many knows about NSAttributedString . But how to.. How exactly use NSAttributedString Yes many people are saying about Rich Text in iphone ipad and many knows about NSAttributedString . But how to use NSAttributedString please I searched for much time no.. ways like NSAttributedString str ..... UILabel label label.attributedString str Sorry guy so many questions. Please do help. iphone ipad nsattributedstring share improve this question You should..
Fast and Lean PDF Viewer for iPhone / iPad / iOs - tips and hints? http://stackoverflow.com/questions/3889634/fast-and-lean-pdf-viewer-for-iphone-ipad-ios-tips-and-hints and Lean PDF Viewer for iPhone iPad iOs tips and hints There has been many Questions recently about drawing PDF's. Yes you can render PDF's very easily with a UIWebView but this..
iOS SDK - Programmatically generate a PDF file http://stackoverflow.com/questions/4362734/ios-sdk-programmatically-generate-a-pdf-file 260 390 text strlen text End text We are done drawing to this page let's end it We could add as many pages as we wanted using CGContextBeginPage CGContextEndPage CGContextEndPage pdfContext We are done..
How to filter NSFetchedResultsController (CoreData) with UISearchDisplayController/UISearchBar http://stackoverflow.com/questions/4471289/how-to-filter-nsfetchedresultscontroller-coredata-with-uisearchdisplaycontroll I want to make sure I'm on the right path before I change too much code. I'm confused because so many of the examples are array based instead of CoreData. Here are some questions Do I need to have a second..
How to Sync iPhone Core Data with web server, and then push to other devices? http://stackoverflow.com/questions/5035132/how-to-sync-iphone-core-data-with-web-server-and-then-push-to-other-devices stored in an iPhone application between multiple devices such as an iPad or a Mac. There are not many if any at all sync frameworks for use with Core Data on iOS. However I have been thinking about the..
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 that it is possible because the Map.. 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 that it is possible because the Map app does it. In the Map app if I turn off.. appsettings share improve this question You can not. As you said this has been covered many times and that pop up asking you to turn on location services is supplied by Apple and not by the App..
Understanding reference counting with Cocoa and Objective-C http://stackoverflow.com/questions/6578/understanding-reference-counting-with-cocoa-and-objective-c a special case once you understand the basic concepts. In Cocoa each object keeps track of how many times it is being referenced specifically the NSObject base class implements this . By calling retain..
Is there a good charting library for iPhone? [closed] http://stackoverflow.com/questions/769749/is-there-a-good-charting-library-for-iphone backgrounds iphone cocoa touch cocoa charts core plot share improve this question One of the many factors that motivated the Core Plot project was the lack of good plotting frameworks on the iPhone... Plot project was the lack of good plotting frameworks on the iPhone. Core Plot also encompases many other use cases including desktop systems but its design has included iPhone support from the beginning...
How to programmatically send SMS on the iPhone? http://stackoverflow.com/questions/10848/how-to-programmatically-send-sms-on-the-iphone
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 two storyboards just like for the iPad I personally don't think Apple will require you to check the screen size every time you have to draw something like many answers say. Does that happen with the iPad iphone ios iphone 5 share improve this question All apps will continue to work in the vertically stretched screen..
Add UIPickerView & a Button in Action sheet - How? http://stackoverflow.com/questions/1262574/add-uipickerview-a-button-in-action-sheet-how decided to take a different approach. I replaced the call to show the action sheet with a modal view controller containing a simple tableview. There are many ways to accomplish this. Here's one way that I just implemented in a current project. It's nice because I can reuse it between 5 or 6 different screens where I..
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 0 cell.textLabel.font UIFont fontWithName @ Helvetica size 17.0 You'll notice that I set the number of lines for the label to 0. This lets it use as many lines as it needs. The next part is to specify how large your UITableViewCell will be so do that in your heightForRowAtIndexPath function CGFloat tableView UITableView..
JSON and Core Data on the iPhone http://stackoverflow.com/questions/2362323/json-and-core-data-on-the-iphone and Core Data on the iPhone I have a core data object graph consisting of two entities linked by a to many relationship . I was curious as a relatively inexperienced iPhone developer whether anyone could recommend an approach and a suitable JSON implementation for the..
Remove HTML Tags from an NSString on the iPhone http://stackoverflow.com/questions/277055/remove-html-tags-from-an-nsstring-on-the-iphone method to apply an XSLT transform that does it. Unfortunately the iPhone doesn't support NSAttributedString or NSXMLDocument. There are too many edge cases and malformed HTML documents for me to feel comfortable using regex or NSScanner. Does anyone have a solution to this One suggestion has been to simply..
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 a bug in Xcode 4 where it cannot create an .IPA file if you have Public Headers in your drag dropped project. The workaround dont' embed xcode projects too many bugs in Apple's code If you can't find the output file here's a workaround Add the following code to the very end of the script courtesy of Frederik Wallner open..
iphone/ipad: How exactly use NSAttributedString? http://stackoverflow.com/questions/3786528/iphone-ipad-how-exactly-use-nsattributedstring ipad How exactly use NSAttributedString Yes many people are saying about Rich Text in iphone ipad and many knows about NSAttributedString . But how to use NSAttributedString please I searched for much time no.. ipad How exactly use NSAttributedString Yes many people are saying about Rich Text in iphone ipad and many knows about NSAttributedString . But how to use NSAttributedString please I searched for much time no extract clues for this. I know how to set up a NSAttributedString.. with CoreText.Framework what does that mean Is there any simple ways like NSAttributedString str ..... UILabel label label.attributedString str Sorry guy so many questions. Please do help. iphone ipad nsattributedstring share improve this question You should take a look at AliSoftware's OHAttributedLabel . It is a subclass..
Fast and Lean PDF Viewer for iPhone / iPad / iOs - tips and hints? http://stackoverflow.com/questions/3889634/fast-and-lean-pdf-viewer-for-iphone-ipad-ios-tips-and-hints and Lean PDF Viewer for iPhone iPad iOs tips and hints There has been many Questions recently about drawing PDF's. Yes you can render PDF's very easily with a UIWebView but this cant give the performance and functionality that you would..
iOS SDK - Programmatically generate a PDF file http://stackoverflow.com/questions/4362734/ios-sdk-programmatically-generate-a-pdf-file char text Hello World CGContextShowTextAtPoint pdfContext 260 390 text strlen text End text We are done drawing to this page let's end it We could add as many pages as we wanted using CGContextBeginPage CGContextEndPage CGContextEndPage pdfContext We are done with our context now so we release it CGContextRelease pdfContext..
How to filter NSFetchedResultsController (CoreData) with UISearchDisplayController/UISearchBar http://stackoverflow.com/questions/4471289/how-to-filter-nsfetchedresultscontroller-coredata-with-uisearchdisplaycontroll a predicate to retrieve the data for the primary TableView. I want to make sure I'm on the right path before I change too much code. I'm confused because so many of the examples are array based instead of CoreData. Here are some questions Do I need to have a second NSFetchedResultsController that retrieves only the matching..
How to Sync iPhone Core Data with web server, and then push to other devices? http://stackoverflow.com/questions/5035132/how-to-sync-iphone-core-data-with-web-server-and-then-push-to-other-devices devices I have been working on a method to sync core data stored in an iPhone application between multiple devices such as an iPad or a Mac. There are not many if any at all sync frameworks for use with Core Data on iOS. However I have been thinking about the following concept A change is made to the local core data store..
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 that it is possible because the Map app does it. In the Map app if I turn off the localization.. 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 that it is possible because the 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.. your answers i mean it. iphone settings application settings appsettings share improve this question You can not. As you said this has been covered many times and that pop up asking you to turn on location services is supplied by Apple and not by the App itself. That is why it is able to the open the settings application...
Understanding reference counting with Cocoa and Objective-C http://stackoverflow.com/questions/6578/understanding-reference-counting-with-cocoa-and-objective-c Let's start with retain and release autorelease is really just a special case once you understand the basic concepts. In Cocoa each object keeps track of how many times it is being referenced specifically the NSObject base class implements this . By calling retain on an object you are telling it that you want to up its reference..
Is there a good charting library for iPhone? [closed] http://stackoverflow.com/questions/769749/is-there-a-good-charting-library-for-iphone y axis Labels above each bar on the chart Shaded or custom backgrounds iphone cocoa touch cocoa charts core plot share improve this question One of the many factors that motivated the Core Plot project was the lack of good plotting frameworks on the iPhone. Core Plot also encompases many other use cases including desktop.. this question One of the many factors that motivated the Core Plot project was the lack of good plotting frameworks on the iPhone. Core Plot also encompases many other use cases including desktop systems but its design has included iPhone support from the beginning. It's getting pretty close to useable and is currently in..
How to programmatically send SMS on the iPhone? http://stackoverflow.com/questions/10848/how-to-programmatically-send-sms-on-the-iphone and all of these iOS devices to send SMS as long as they have internet access so it may still be a better solution for many applications. Alternately use both and only fall back to an online SMS service when the device doesn't support it. share..
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 I personally don't think Apple will require you to check the screen size every time you have to draw something like many answers say. Does that happen with the iPad iphone ios iphone 5 share improve this question All apps will continue..
Add UIPickerView & a Button in Action sheet - How? http://stackoverflow.com/questions/1262574/add-uipickerview-a-button-in-action-sheet-how I replaced the call to show the action sheet with a modal view controller containing a simple tableview. There are many ways to accomplish this. Here's one way that I just implemented in a current project. It's nice because I can reuse it between..
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 @ Helvetica size 17.0 You'll notice that I set the number of lines for the label to 0. This lets it use as many lines as it needs. The next part is to specify how large your UITableViewCell will be so do that in your heightForRowAtIndexPath..
JSON and Core Data on the iPhone http://stackoverflow.com/questions/2362323/json-and-core-data-on-the-iphone and Core Data on the iPhone I have a core data object graph consisting of two entities linked by a to many relationship . I was curious as a relatively inexperienced iPhone developer whether anyone could recommend an approach and..
Remove HTML Tags from an NSString on the iPhone http://stackoverflow.com/questions/277055/remove-html-tags-from-an-nsstring-on-the-iphone transform that does it. Unfortunately the iPhone doesn't support NSAttributedString or NSXMLDocument. There are too many edge cases and malformed HTML documents for me to feel comfortable using regex or NSScanner. Does anyone have a solution..
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 an .IPA file if you have Public Headers in your drag dropped project. The workaround dont' embed xcode projects too many bugs in Apple's code If you can't find the output file here's a workaround Add the following code to the very end of the..
iphone/ipad: How exactly use NSAttributedString? http://stackoverflow.com/questions/3786528/iphone-ipad-how-exactly-use-nsattributedstring ipad How exactly use NSAttributedString Yes many people are saying about Rich Text in iphone ipad and many knows about NSAttributedString . But how to use NSAttributedString.. ipad How exactly use NSAttributedString Yes many people are saying about Rich Text in iphone ipad and many knows about NSAttributedString . But how to use NSAttributedString please I searched for much time no extract clues for.. mean Is there any simple ways like NSAttributedString str ..... UILabel label label.attributedString str Sorry guy so many questions. Please do help. iphone ipad nsattributedstring share improve this question You should take a look at AliSoftware's..
Fast and Lean PDF Viewer for iPhone / iPad / iOs - tips and hints? http://stackoverflow.com/questions/3889634/fast-and-lean-pdf-viewer-for-iphone-ipad-ios-tips-and-hints and Lean PDF Viewer for iPhone iPad iOs tips and hints There has been many Questions recently about drawing PDF's. Yes you can render PDF's very easily with a UIWebView but this cant give the performance..
iOS SDK - Programmatically generate a PDF file http://stackoverflow.com/questions/4362734/ios-sdk-programmatically-generate-a-pdf-file pdfContext 260 390 text strlen text End text We are done drawing to this page let's end it We could add as many pages as we wanted using CGContextBeginPage CGContextEndPage CGContextEndPage pdfContext We are done with our context now..
How to filter NSFetchedResultsController (CoreData) with UISearchDisplayController/UISearchBar http://stackoverflow.com/questions/4471289/how-to-filter-nsfetchedresultscontroller-coredata-with-uisearchdisplaycontroll primary TableView. I want to make sure I'm on the right path before I change too much code. I'm confused because so many of the examples are array based instead of CoreData. Here are some questions Do I need to have a second NSFetchedResultsController..
How to Sync iPhone Core Data with web server, and then push to other devices? http://stackoverflow.com/questions/5035132/how-to-sync-iphone-core-data-with-web-server-and-then-push-to-other-devices to sync core data stored in an iPhone application between multiple devices such as an iPad or a Mac. There are not many if any at all sync frameworks for use with Core Data on iOS. However I have been thinking about the following concept A..
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 that it is possible because the Map app does it. In the.. 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 that it is possible because the Map app does it. In the Map app if I turn off the localization for.. application settings appsettings share improve this question You can not. As you said this has been covered many times and that pop up asking you to turn on location services is supplied by Apple and not by the App itself. That is why..
Understanding reference counting with Cocoa and Objective-C http://stackoverflow.com/questions/6578/understanding-reference-counting-with-cocoa-and-objective-c is really just a special case once you understand the basic concepts. In Cocoa each object keeps track of how many times it is being referenced specifically the NSObject base class implements this . By calling retain on an object you are..
Is there a good charting library for iPhone? [closed] http://stackoverflow.com/questions/769749/is-there-a-good-charting-library-for-iphone Shaded or custom backgrounds iphone cocoa touch cocoa charts core plot share improve this question One of the many factors that motivated the Core Plot project was the lack of good plotting frameworks on the iPhone. Core Plot also encompases.. that motivated the Core Plot project was the lack of good plotting frameworks on the iPhone. Core Plot also encompases many other use cases including desktop systems but its design has included iPhone support from the beginning. It's getting pretty..
http://stackoverflow.com/questions/1256887/clickable-links-in-uilabel I have been searching for this for hours but I failed. I probably don't even know what should I be looking for. Many applications have text and in this text are web hyperlinks in rounded rect when I click them UIWebView opens. What puzzles..
iPhone Objective C: How to get a pixel's color of the touched point on an UIImageView? http://stackoverflow.com/questions/1285621/iphone-objective-c-how-to-get-a-pixels-color-of-the-touched-point-on-an-uiimag correctly return the correct pixel of the touched point even if the UIView UIImageView is being scaled and rotated Many thanks for reading edited Thanks for the answer comments but sorry I still don't know how to get the X Y point of the scaled..
Is there an iPhone equivalent to the NSTokenField control? http://stackoverflow.com/questions/1307553/is-there-an-iphone-equivalent-to-the-nstokenfield-control in the Messages app. How is this done Is it something that's provided in the UIKit or available somewhere else Many thanks Michael iphone input uitextfield uitextview share improve this question Apple doesn't include that control in..
Setting iphone to vibrate and setting iphone back to sound via app [closed] http://stackoverflow.com/questions/1465733/setting-iphone-to-vibrate-and-setting-iphone-back-to-sound-via-app If this is true I wouldn't be able to do what I want... Does anyone there has an idea of how do I do that via app Many thanks in advance. iphone audio share improve this question Think of this from the user perspective that silent switch..
How to convert ASCII value to a character in Objective-C? http://stackoverflow.com/questions/2832729/how-to-convert-ascii-value-to-a-character-in-objective-c returns the ASCII value of the first character of a string. chr # returns a character from the specified ASCII value. Many thanks iphone ascii share improve this question This is how you can work with ASCII values and NSString . Note that..
UITextField Autocomplete - iPhone SDK http://stackoverflow.com/questions/3198337/uitextfield-autocomplete-iphone-sdk be able to programmatically have it correct to certain values that I specify. Does anyone know of any way to do this Many thanks Brett objective c iphone autocomplete uitextfield share improve this question Brett I did something very similar..
UIImage from CALayer - iPhone SDK http://stackoverflow.com/questions/3454356/uiimage-from-calayer-iphone-sdk figure out how to add the CALayer to a UIImage . Is this possible Any advice would be excellent and very appreciated. Many thanks Brett iphone objective c uiimageview share improve this question Sounds like you want to render your layer into..
How to draw a “speech bubble” on an iPhone? http://stackoverflow.com/questions/4442126/how-to-draw-a-speech-bubble-on-an-iphone way I can draw something like that and get a border around it This will be for an iPhone app. Thanks in advance EDIT Many thanks to Brad Larson here's what it looks like now iphone objective c uiview share improve this question I've actually..
What are the Dangers of Method Swizzling in Objective C? http://stackoverflow.com/questions/5339276/what-are-the-dangers-of-method-swizzling-in-objective-c example of something that's pretty controversial and for good reason &mdash they're really hard to implement properly. Many people still choose to use singletons though. The same can be said about swizzling. You should form your own opinion once..
What are the key concepts for an iPhone Developer to learn? [closed] http://stackoverflow.com/questions/5677655/what-are-the-key-concepts-for-an-iphone-developer-to-learn Note that Singleton classes work a little differently in regards to memory management. Coding Techniques Delegation Many objects in the iOS SDK have delegate objects that respond to certain events of the object that they are delegating for... reference counting. You never know when you'll run into ARCified code that you'll need to work with. Data Persistence Many folks who are getting started also have a challenge with saving data in between launches. You have three options depending..
iPhone - having a Ripple effect on a UIImageView http://stackoverflow.com/questions/5973530/iphone-having-a-ripple-effect-on-a-uiimageview and utterly confusing. Would anyone be willing to give some suggestions or can point me in the right direction Many thanks iphone uiimageview image manipulation ripple share improve this question Use below for ripple effect in iPhone..
What is the AppDelegate for and how do I know when to use it? http://stackoverflow.com/questions/652460/what-is-the-appdelegate-for-and-how-do-i-know-when-to-use-it of the top level view in applicationDidFinishLaunching this work should be in respective view controller classes. Many people lump these things into their AppDelegate because they are lazy or they think the AppDelegate controls the whole program...
http://stackoverflow.com/questions/6851660/version-vs-build-in-xcode-4 the Build is used separately to indicate the total number of builds for a release or for the entire product lifetime. Many developers start the Build number at 0 and every time they build they increase the number by one increasing forever. In..
UIModalTransitionStylePartialCurl with UITabBarController http://stackoverflow.com/questions/6873903/uimodaltransitionstylepartialcurl-with-uitabbarcontroller for a solution to this problem. The question has been asked many times but as you note never sufficiently answered. Many solutions give an acceptable solution if it is unimportant whether e.g. a lower toolbar curls up as well. Others have provided..
UIDevice uniqueIdentifier Deprecated - What To Do Now? http://stackoverflow.com/questions/6993325/uidevice-uniqueidentifier-deprecated-what-to-do-now property is deprecated in iOS 5 and above. No alternative method or property appears to be available or forthcoming. Many of our existing apps are tightly dependent on this property for uniquely identifying a particular device. Can anyone suggest..
What exactly does delegate do in xcode ios project? http://stackoverflow.com/questions/7215698/what-exactly-does-delegate-do-in-xcode-ios-project text control. It allows the text control to do everything for you and allows you to interject code where you need it. Many times there's way to interject code to make a decision on whether something is allowed. The control will call back and ask..
iPhone Core Animation - Drawing a Circle http://stackoverflow.com/questions/7991086/iphone-core-animation-drawing-a-circle Animation using the sample code here . But I am at a loss on how to draw the circle Any suggestions are very welcome. Many Thanks iphone core animation share improve this question What you really should do is to animate the stroke of a CAShapeLayer..
Change iPhone navigation bar's height http://stackoverflow.com/questions/892905/change-iphone-navigation-bars-height bar and I need to make everything in it bigger for example the font's size. IB doesn't seem to allow this... any help Many thanks iphone uinavigationbar share improve this question Update today 2012 there is a much bigger tendency towards..
Best practices for iOS applications security http://stackoverflow.com/questions/9448632/best-practices-for-ios-applications-security https encryption for iPhone app to webpage The short answer is worry about your customers not your non customers. Many pirates will never ever pay you money so your time and money are better spent helping your actual customers want to pay..
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