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2014/10/15 ¤U¤È 10:08:32
iphone Programming Glossary: exactlyUIScrollView horizontal paging like Mobile Safari tabs http://stackoverflow.com/questions/1220354/uiscrollview-horizontal-paging-like-mobile-safari-tabs nil This basically expands the touch area of the UIScrollView to the frame of its parent's view exactly what you need. Another option would be to subclass UIScrollView and override its BOOL pointInside CGPoint..
Declaration/definition of variables locations in ObjectiveC? http://stackoverflow.com/questions/12632285/declaration-definition-of-variables-locations-in-objectivec definitions that have no understanding whatsoever of the concept of class and thus have to be used exactly how they would be used in C. I've seen them used for implementing static variable based singletons before... NSObject @property nonatomic int myVar @end MyClass.m @implementation MyClass @end This will work exactly as the code above. For compatibility reasons you can still declare ivars in the header. But because..
AES Encryption for an NSString on the iPhone http://stackoverflow.com/questions/1400246/aes-encryption-for-an-nsstring-on-the-iphone aes share improve this question Since you haven't posted any code it's difficult to know exactly which problems you're encountering. However the blog post you link to does seem to work pretty decently.....
How to add a UIImage in MailComposer Sheet of MFMailComposeViewController http://stackoverflow.com/questions/1527351/how-to-add-a-uiimage-in-mailcomposer-sheet-of-mfmailcomposeviewcontroller didn't support it but now it is supported for images up to a certain size though I'm not sure exactly what the size is . The problem is that mail clients like Gmail would strip out your image data but there's..
How to customize the callout bubble for MKAnnotationView? http://stackoverflow.com/questions/1565828/how-to-customize-the-callout-bubble-for-mkannotationview this working. I read other posts related to catching touch events in the map view but they aren't exactly what I want. Is there a way to dig into the map view to remove the callout bubble before drawing I'm..
http://stackoverflow.com/questions/230984/compression-api-on-the-iphone that the server can compress its output and the iPhone can consume that. The scenario we have is exactly the reverse. We'll be POSTing compressed content to the web service. We're not concerned with compression..
iPhone image stretching (skew) http://stackoverflow.com/questions/2351586/iphone-image-stretching-skew that maps the 4 points to the expected locations. 6 unique coordinates and 6 variables should have exactly 1 solution most of the cases. When you have found these 6 constants you can craft a CATransform3D ...
Using the apple FFT and accelerate Framework http://stackoverflow.com/questions/3398753/using-the-apple-fft-and-accelerate-framework need to unpack our original array from A. then we compare just to check that we have got back exactly what we started out with release our precalculated bobbins and done But wait before you unpack there..
How do I apply a perspective transform to a UIView? http://stackoverflow.com/questions/347721/how-do-i-apply-a-perspective-transform-to-a-uiview the matrix cells of the CATransform3D m34 . Matrix math has never been my thing so I can't explain exactly why this works but it does. You'll need to set this value to a negative fraction for your initial transform..
NSDictionary with ordered keys http://stackoverflow.com/questions/376090/nsdictionary-with-ordered-keys
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..
How to capture UIView to UIImage without loss of quality on retina display http://stackoverflow.com/questions/4334233/how-to-capture-uiview-to-uiimage-without-loss-of-quality-on-retina-display screen. UIGraphicsBeginImageContext uses a fixed scale factor of 1.0 so you're actually getting exactly the same image on an iPhone 4 as on the other iPhones. I'll bet either the iPhone 4 is applying a filter..
iPhone - Backgrounding to poll for events http://stackoverflow.com/questions/4656214/iphone-backgrounding-to-poll-for-events as impossible without abusing the background APIs. Last week I found this application which does exactly that. http itunes.apple.com us app dataman real time data usage id393282873 mt 8 It runs in the background..
What's the best way to communicate between view controllers? http://stackoverflow.com/questions/569940/whats-the-best-way-to-communicate-between-view-controllers we get this slide telling us what we should do. Page 18 51 Best Practices for Data Flow Figure out exactly what needs to be communicated Define input parameters for your view controller For communicating back..
Store orientation to an array - and compare http://stackoverflow.com/questions/6368618/store-orientation-to-an-array-and-compare recorded one. The thing is how can I compare the two arrays in a smart way They will never have exactly the same values but they can be somewhat the same. Am I at all on the right track here UPDATE I think..
http://stackoverflow.com/questions/664930/uibarbuttonitem-with-color iphone cocoa touch share improve this question If anyone is looking for code to exactly duplicate a simple UIBarButtonItem UIButton button UIButton buttonWithType UIButtonTypeCustom button..
performSelector may cause a leak because its selector is unknown http://stackoverflow.com/questions/7017281/performselector-may-cause-a-leak-because-its-selector-is-unknown ... 1 . This may be close to the actual method signature of the method but will not always match exactly. Once you have the IMP you need to cast it to a function pointer that includes all of the details that..
SplitView like Facebook app on iPhone http://stackoverflow.com/questions/7775195/splitview-like-facebook-app-on-iphone in the link Please note I do not want this to only work for iPad I want it to work for iPhone exactly as pictured when you click on a tableview item it hides the tableview and makes that view full screen...
UIScrollView horizontal paging like Mobile Safari tabs http://stackoverflow.com/questions/1220354/uiscrollview-horizontal-paging-like-mobile-safari-tabs pointInside point withEvent event return scrollView return nil This basically expands the touch area of the UIScrollView to the frame of its parent's view exactly what you need. Another option would be to subclass UIScrollView and override its BOOL pointInside CGPoint point withEvent UIEvent event method however you will..
Declaration/definition of variables locations in ObjectiveC? http://stackoverflow.com/questions/12632285/declaration-definition-of-variables-locations-in-objectivec and 4 is that those are C style file based declarations and definitions that have no understanding whatsoever of the concept of class and thus have to be used exactly how they would be used in C. I've seen them used for implementing static variable based singletons before. Are there other convenient uses I'm missing My take from.. @synthesize myVar iVarName MyClass.h @interface MyClass NSObject @property nonatomic int myVar @end MyClass.m @implementation MyClass @end This will work exactly as the code above. For compatibility reasons you can still declare ivars in the header. But because the only reason why you would want to do that and not declare..
AES Encryption for an NSString on the iPhone http://stackoverflow.com/questions/1400246/aes-encryption-for-an-nsstring-on-the-iphone as kCCEncrypt kCCDecrypt. iphone objective c encryption nsstring aes share improve this question Since you haven't posted any code it's difficult to know exactly which problems you're encountering. However the blog post you link to does seem to work pretty decently... aside from the extra comma in each call to CCCrypt which..
How to add a UIImage in MailComposer Sheet of MFMailComposeViewController http://stackoverflow.com/questions/1527351/how-to-add-a-uiimage-in-mailcomposer-sheet-of-mfmailcomposeviewcontroller encoding does work with most mail clients now IE previously didn't support it but now it is supported for images up to a certain size though I'm not sure exactly what the size is . The problem is that mail clients like Gmail would strip out your image data but there's a simple workaround for that... just putting b and b..
How to customize the callout bubble for MKAnnotationView? http://stackoverflow.com/questions/1565828/how-to-customize-the-callout-bubble-for-mkannotationview all touch events myself in the map and I can't seem to get this working. I read other posts related to catching touch events in the map view but they aren't exactly what I want. Is there a way to dig into the map view to remove the callout bubble before drawing I'm at a loss. Any suggestions Am I missing something obvious ..
http://stackoverflow.com/questions/230984/compression-api-on-the-iphone does not need to be secure. Some respondents have pointed out that the server can compress its output and the iPhone can consume that. The scenario we have is exactly the reverse. We'll be POSTing compressed content to the web service. We're not concerned with compression going the other way. iphone compression share improve..
iPhone image stretching (skew) http://stackoverflow.com/questions/2351586/iphone-image-stretching-skew y y' . . 1 . z z' . T . U 1 w' with appropriate P Q R S T U that maps the 4 points to the expected locations. 6 unique coordinates and 6 variables should have exactly 1 solution most of the cases. When you have found these 6 constants you can craft a CATransform3D . Notice the structure definition is struct CATransform3D CGFloat..
Using the apple FFT and accelerate Framework http://stackoverflow.com/questions/3398753/using-the-apple-fft-and-accelerate-framework A stride log2n FFT_INVERSE and back again... we will still need to unpack our original array from A. then we compare just to check that we have got back exactly what we started out with release our precalculated bobbins and done But wait before you unpack there is one final thing that needs to be done Need to see the documentation..
How do I apply a perspective transform to a UIView? http://stackoverflow.com/questions/347721/how-do-i-apply-a-perspective-transform-to-a-uiview working as described here is to directly access one of the matrix cells of the CATransform3D m34 . Matrix math has never been my thing so I can't explain exactly why this works but it does. You'll need to set this value to a negative fraction for your initial transform then apply your layer rotation transforms to that. You..
NSDictionary with ordered keys http://stackoverflow.com/questions/376090/nsdictionary-with-ordered-keys
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..
How to capture UIView to UIImage without loss of quality on retina display http://stackoverflow.com/questions/4334233/how-to-capture-uiview-to-uiimage-without-loss-of-quality-on-retina-display you'll get a context with a scale factor equal to that of the screen. UIGraphicsBeginImageContext uses a fixed scale factor of 1.0 so you're actually getting exactly the same image on an iPhone 4 as on the other iPhones. I'll bet either the iPhone 4 is applying a filter when you implicitly scale it up or just your brain is picking..
iPhone - Backgrounding to poll for events http://stackoverflow.com/questions/4656214/iphone-backgrounding-to-poll-for-events documentation and a few trial apps I'd dismissed this as impossible without abusing the background APIs. Last week I found this application which does exactly that. http itunes.apple.com us app dataman real time data usage id393282873 mt 8 It runs in the background and keeps track of the count of Cellular WiFi data you've..
What's the best way to communicate between view controllers? http://stackoverflow.com/questions/569940/whats-the-best-way-to-communicate-between-view-controllers in the app delegate methods. Fair 'nuff. A bit further on we get this slide telling us what we should do. Page 18 51 Best Practices for Data Flow Figure out exactly what needs to be communicated Define input parameters for your view controller For communicating back up the hierarchy use loose coupling Define a generic interface..
Store orientation to an array - and compare http://stackoverflow.com/questions/6368618/store-orientation-to-an-array-and-compare I'm could compare the replicated movement array to the recorded one. The thing is how can I compare the two arrays in a smart way They will never have exactly the same values but they can be somewhat the same. Am I at all on the right track here UPDATE I think that maybe Alis answer about using DTW could be the right..
http://stackoverflow.com/questions/664930/uibarbuttonitem-with-color with color Is it possible to have a red UIBarButtonItem iphone cocoa touch share improve this question If anyone is looking for code to exactly duplicate a simple UIBarButtonItem UIButton button UIButton buttonWithType UIButtonTypeCustom button setBackgroundImage UIImage imageNamed @ delete.png forState..
performSelector may cause a leak because its selector is unknown http://stackoverflow.com/questions/7017281/performselector-may-cause-a-leak-because-its-selector-is-unknown s and are simple typedef ed function pointers id IMP id SEL ... 1 . This may be close to the actual method signature of the method but will not always match exactly. Once you have the IMP you need to cast it to a function pointer that includes all of the details that ARC needs including the two implicit hidden arguments self..
SplitView like Facebook app on iPhone http://stackoverflow.com/questions/7775195/splitview-like-facebook-app-on-iphone app that uses a navigation scene similar to the one pictured in the link Please note I do not want this to only work for iPad I want it to work for iPhone exactly as pictured when you click on a tableview item it hides the tableview and makes that view full screen. I want ideas on how to do this because I cannot figure it..
UIScrollView horizontal paging like Mobile Safari tabs http://stackoverflow.com/questions/1220354/uiscrollview-horizontal-paging-like-mobile-safari-tabs scrollView return nil This basically expands the touch area of the UIScrollView to the frame of its parent's view exactly what you need. Another option would be to subclass UIScrollView and override its BOOL pointInside CGPoint point withEvent..
Declaration/definition of variables locations in ObjectiveC? http://stackoverflow.com/questions/12632285/declaration-definition-of-variables-locations-in-objectivec declarations and definitions that have no understanding whatsoever of the concept of class and thus have to be used exactly how they would be used in C. I've seen them used for implementing static variable based singletons before. Are there other.. @interface MyClass NSObject @property nonatomic int myVar @end MyClass.m @implementation MyClass @end This will work exactly as the code above. For compatibility reasons you can still declare ivars in the header. But because the only reason why..
AES Encryption for an NSString on the iPhone http://stackoverflow.com/questions/1400246/aes-encryption-for-an-nsstring-on-the-iphone c encryption nsstring aes share improve this question Since you haven't posted any code it's difficult to know exactly which problems you're encountering. However the blog post you link to does seem to work pretty decently... aside from the..
How to add a UIImage in MailComposer Sheet of MFMailComposeViewController http://stackoverflow.com/questions/1527351/how-to-add-a-uiimage-in-mailcomposer-sheet-of-mfmailcomposeviewcontroller now IE previously didn't support it but now it is supported for images up to a certain size though I'm not sure exactly what the size is . The problem is that mail clients like Gmail would strip out your image data but there's a simple workaround..
How to customize the callout bubble for MKAnnotationView? http://stackoverflow.com/questions/1565828/how-to-customize-the-callout-bubble-for-mkannotationview I can't seem to get this working. I read other posts related to catching touch events in the map view but they aren't exactly what I want. Is there a way to dig into the map view to remove the callout bubble before drawing I'm at a loss. Any suggestions..
http://stackoverflow.com/questions/230984/compression-api-on-the-iphone have pointed out that the server can compress its output and the iPhone can consume that. The scenario we have is exactly the reverse. We'll be POSTing compressed content to the web service. We're not concerned with compression going the other..
iPhone image stretching (skew) http://stackoverflow.com/questions/2351586/iphone-image-stretching-skew P Q R S T U that maps the 4 points to the expected locations. 6 unique coordinates and 6 variables should have exactly 1 solution most of the cases. When you have found these 6 constants you can craft a CATransform3D . Notice the structure..
Using the apple FFT and accelerate Framework http://stackoverflow.com/questions/3398753/using-the-apple-fft-and-accelerate-framework again... we will still need to unpack our original array from A. then we compare just to check that we have got back exactly what we started out with release our precalculated bobbins and done But wait before you unpack there is one final thing..
How do I apply a perspective transform to a UIView? http://stackoverflow.com/questions/347721/how-do-i-apply-a-perspective-transform-to-a-uiview access one of the matrix cells of the CATransform3D m34 . Matrix math has never been my thing so I can't explain exactly why this works but it does. You'll need to set this value to a negative fraction for your initial transform then apply your..
NSDictionary with ordered keys http://stackoverflow.com/questions/376090/nsdictionary-with-ordered-keys
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..
How to capture UIView to UIImage without loss of quality on retina display http://stackoverflow.com/questions/4334233/how-to-capture-uiview-to-uiimage-without-loss-of-quality-on-retina-display equal to that of the screen. UIGraphicsBeginImageContext uses a fixed scale factor of 1.0 so you're actually getting exactly the same image on an iPhone 4 as on the other iPhones. I'll bet either the iPhone 4 is applying a filter when you implicitly..
iPhone - Backgrounding to poll for events http://stackoverflow.com/questions/4656214/iphone-backgrounding-to-poll-for-events I'd dismissed this as impossible without abusing the background APIs. Last week I found this application which does exactly that. http itunes.apple.com us app dataman real time data usage id393282873 mt 8 It runs in the background and keeps track..
What's the best way to communicate between view controllers? http://stackoverflow.com/questions/569940/whats-the-best-way-to-communicate-between-view-controllers A bit further on we get this slide telling us what we should do. Page 18 51 Best Practices for Data Flow Figure out exactly what needs to be communicated Define input parameters for your view controller For communicating back up the hierarchy use..
Store orientation to an array - and compare http://stackoverflow.com/questions/6368618/store-orientation-to-an-array-and-compare movement array to the recorded one. The thing is how can I compare the two arrays in a smart way They will never have exactly the same values but they can be somewhat the same. Am I at all on the right track here UPDATE I think that maybe Alis answer..
http://stackoverflow.com/questions/664930/uibarbuttonitem-with-color to have a red UIBarButtonItem iphone cocoa touch share improve this question If anyone is looking for code to exactly duplicate a simple UIBarButtonItem UIButton button UIButton buttonWithType UIButtonTypeCustom button setBackgroundImage..
performSelector may cause a leak because its selector is unknown http://stackoverflow.com/questions/7017281/performselector-may-cause-a-leak-because-its-selector-is-unknown id IMP id SEL ... 1 . This may be close to the actual method signature of the method but will not always match exactly. Once you have the IMP you need to cast it to a function pointer that includes all of the details that ARC needs including..
SplitView like Facebook app on iPhone http://stackoverflow.com/questions/7775195/splitview-like-facebook-app-on-iphone to the one pictured in the link Please note I do not want this to only work for iPad I want it to work for iPhone exactly as pictured when you click on a tableview item it hides the tableview and makes that view full screen. I want ideas on how..
File Formats Supported by UIWebView http://stackoverflow.com/questions/1320220/file-formats-supported-by-uiwebview XLS DOC PPT PDF but not XLSX and DOCX RTF. It supports image files like JPG PNG GIF BMP not sure about TIFF or Exactly what all types are supported is not clear... The UIWebView documentation also doesn't state it clearly. Could someone please..
iPhone UITableView PlainStyle with custom background image - done “entirely” in code http://stackoverflow.com/questions/1637738/iphone-uitableview-plainstyle-with-custom-background-image-done-entirely-in that my cells slide up and down on top of. Not a background image that slides up and down with the users gestures. Exactly what the GroupedStyle tableView offers but in a PlainStyle tableView .. and done using code not IB. I guess I have to clear..
Properly zooming a UIScrollView that contains many subviews http://stackoverflow.com/questions/1835941/properly-zooming-a-uiscrollview-that-contains-many-subviews once it stops it's not interactive any more . iphone objective c uiscrollview zoom share improve this question Exactly This is what Apple also is mentioning in the Scroll View Programming Guide Just create a view add all subviews to this view..
Iphone, Obtaining a List of countries in an NSArray http://stackoverflow.com/questions/502764/iphone-obtaining-a-list-of-countries-in-an-nsarray Obtaining a List of countries in an NSArray I have a menu that let's a user select a country. Exactly like that in the contacts.app country menu within the address field. Does anyone know a simple way of getting a list of..
How to access remote MySql database from iPhone App http://stackoverflow.com/questions/7849028/how-to-access-remote-mysql-database-from-iphone-app have to implement web service methods for whatever kinds of operations you need to perform on your MySQL database. Exactly how to talk to that web service and exactly how to talk to the MySQL server from your web service those are separate questions...
xcode won't compile iOS apps, crashes when .xib or .storyboard files are opened http://stackoverflow.com/questions/9109571/xcode-wont-compile-ios-apps-crashes-when-xib-or-storyboard-files-are-opened IBCocoaTouchTargetRuntime Thread NSThread 0x40010a260 name null num 1 Something to do with the iOS simulator Exactly the same message appears when I try open an .xib file. When I try to run or test a project I get an error when it tries..
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