¡@
2014/10/15 ¤U¤È 10:04:34
iphone Programming Glossary: behindDelete/Reset all entries in Core Data? http://stackoverflow.com/questions/1077810/delete-reset-all-entries-in-core-data simply deleting files pointed by storeURLs is not enough. You'll leave the external record files behind. Since the naming scheme of these external record files is not public I don't have a universal solution..
How to make a UITextField move up when keyboard is present http://stackoverflow.com/questions/1126726/how-to-make-a-uitextfield-move-up-when-keyboard-is-present that will be hidden come above the keyboard 2. increase the size of the view so that the area behind the keyboard is covered up. rect.origin.y kOFFSET_FOR_KEYBOARD rect.size.height kOFFSET_FOR_KEYBOARD..
When should I release objects in -(void)viewDidUnload rather than in -dealloc? http://stackoverflow.com/questions/1158788/when-should-i-release-objects-in-voidviewdidunload-rather-than-in-dealloc question In addition to what has already been indicated I wanted to elaborate more about logic behind viewDidUnload . One of the most important reasons for implementing it is that UIViewController subclasses..
How can I customize an iOS alert view? http://stackoverflow.com/questions/2600779/how-can-i-customize-an-ios-alert-view if it's not being used. The view is actually the size of the entire screen so it blocks touches behind it but it is mostly transparent so the background shows through. When bringing it in I use a few animations..
How to make a transparent UIWebView http://stackoverflow.com/questions/3646930/how-to-make-a-transparent-uiwebview is to put the text in an .rtf file and display it in a UIWebView. Then just put a UIImageView behind the UIWebView. I've tried to set the UIwebView's opacity to zero in IB but it didn't help. Can you help..
Inner shadow effect on UIView layer? http://stackoverflow.com/questions/4431292/inner-shadow-effect-on-uiview-layer however this would add the layer on top of other UIView objects since it's supposed to be a bar behind some buttons so I am at a loss as to what to do I could add another layer but again not sure how to..
iPhone - Backgrounding to poll for events http://stackoverflow.com/questions/4656214/iphone-backgrounding-to-poll-for-events
iPhone smooth sketch drawing algorithm http://stackoverflow.com/questions/5076622/iphone-smooth-sketch-drawing-algorithm smooth a curve like this is to use a Bezier curve instead of straight line segments. For the math behind this see this article pointed to in this answer which describes how to calculate the curves required..
Need to find Distance using Gyro+Accelerometer http://stackoverflow.com/questions/6647314/need-to-find-distance-using-gyroaccelerometer advance. iphone accelerometer distance gyroscope share improve this question Basic calculus behind this problem is in the expression and similar expressions for displacements in y and z and basic geometry..
Property vs. instance variable http://stackoverflow.com/questions/719788/property-vs-instance-variable myVar @end @implementation MyClass @synthesize myVar _myVar Now I thought the entire premise behind this strategy is so that one can easily distinguish the difference between an ivar and property. So..
SplitView like Facebook app on iPhone http://stackoverflow.com/questions/7775195/splitview-like-facebook-app-on-iphone app. The similar open source code can be found from here JTRevealSidebarDemo It reveals technique behind doing split view for iPhone. Edit Few other open source codes JWSlideMenu DDMenuController PKRevealController..
Dispelling the UIImage imageNamed: FUD http://stackoverflow.com/questions/924740/dispelling-the-uiimage-imagenamed-fud memory runs out it gets a lot smaller. For example does anyone know for sure that the image cache behind imageNamed does not respond to didReceiveMemoryWarning It seems unlikely that Apple would not do this...
Delete/Reset all entries in Core Data? http://stackoverflow.com/questions/1077810/delete-reset-all-entries-in-core-data
How to make a UITextField move up when keyboard is present http://stackoverflow.com/questions/1126726/how-to-make-a-uitextfield-move-up-when-keyboard-is-present if movedUp 1. move the view's origin up so that the text field that will be hidden come above the keyboard 2. increase the size of the view so that the area behind the keyboard is covered up. rect.origin.y kOFFSET_FOR_KEYBOARD rect.size.height kOFFSET_FOR_KEYBOARD else revert back to the normal state. rect.origin.y kOFFSET_FOR_KEYBOARD..
When should I release objects in -(void)viewDidUnload rather than in -dealloc? http://stackoverflow.com/questions/1158788/when-should-i-release-objects-in-voidviewdidunload-rather-than-in-dealloc c ios cocoa touch memory management share improve this question In addition to what has already been indicated I wanted to elaborate more about logic behind viewDidUnload . One of the most important reasons for implementing it is that UIViewController subclasses commonly also contain owning references to various subviews..
How can I customize an iOS alert view? http://stackoverflow.com/questions/2600779/how-can-i-customize-an-ios-alert-view only use one or two buttons so I hide the second button if it's not being used. The view is actually the size of the entire screen so it blocks touches behind it but it is mostly transparent so the background shows through. When bringing it in I use a few animations to make it bounce like Apple's alert view. Something..
How to make a transparent UIWebView http://stackoverflow.com/questions/3646930/how-to-make-a-transparent-uiwebview but the image remains the same . The easiest way in my opinion is to put the text in an .rtf file and display it in a UIWebView. Then just put a UIImageView behind the UIWebView. I've tried to set the UIwebView's opacity to zero in IB but it didn't help. Can you help me Thanks in advance iphone cocoa touch uiwebview share..
Inner shadow effect on UIView layer? http://stackoverflow.com/questions/4431292/inner-shadow-effect-on-uiview-layer to do this. I suppose I would be required to draw in drawRect however this would add the layer on top of other UIView objects since it's supposed to be a bar behind some buttons so I am at a loss as to what to do I could add another layer but again not sure how to achieve the inner shadow effect like this Help appreciated.....
iPhone - Backgrounding to poll for events http://stackoverflow.com/questions/4656214/iphone-backgrounding-to-poll-for-events
iPhone smooth sketch drawing algorithm http://stackoverflow.com/questions/5076622/iphone-smooth-sketch-drawing-algorithm graphics share improve this question The easiest way to smooth a curve like this is to use a Bezier curve instead of straight line segments. For the math behind this see this article pointed to in this answer which describes how to calculate the curves required to smooth a curve that passes through multiple points. I believe..
Need to find Distance using Gyro+Accelerometer http://stackoverflow.com/questions/6647314/need-to-find-distance-using-gyroaccelerometer me here with some useful information or tutorial Thanks in advance. iphone accelerometer distance gyroscope share improve this question Basic calculus behind this problem is in the expression and similar expressions for displacements in y and z and basic geometry is the Pythagorean theorem So once you have your accelerometer..
Property vs. instance variable http://stackoverflow.com/questions/719788/property-vs-instance-variable NSObject NSString _myVar @property nonatomic retain NSString myVar @end @implementation MyClass @synthesize myVar _myVar Now I thought the entire premise behind this strategy is so that one can easily distinguish the difference between an ivar and property. So if I want to use the memory management inherited by a synthesized..
SplitView like Facebook app on iPhone http://stackoverflow.com/questions/7775195/splitview-like-facebook-app-on-iphone guys have done brilliant job in the new version of the app. The similar open source code can be found from here JTRevealSidebarDemo It reveals technique behind doing split view for iPhone. Edit Few other open source codes JWSlideMenu DDMenuController PKRevealController ViewDeck ECSlidingViewController MWFSlideNavigationViewController..
Dispelling the UIImage imageNamed: FUD http://stackoverflow.com/questions/924740/dispelling-the-uiimage-imagenamed-fud of UIImages referenced by filename. It gets bigger and when memory runs out it gets a lot smaller. For example does anyone know for sure that the image cache behind imageNamed does not respond to didReceiveMemoryWarning It seems unlikely that Apple would not do this. If you have any insight into the caching algorithm please..
Delete/Reset all entries in Core Data? http://stackoverflow.com/questions/1077810/delete-reset-all-entries-in-core-data iOS 5 and OS X 10.7 simply deleting files pointed by storeURLs is not enough. You'll leave the external record files behind. Since the naming scheme of these external record files is not public I don't have a universal solution yet. an0 May 8 '12..
How to make a UITextField move up when keyboard is present http://stackoverflow.com/questions/1126726/how-to-make-a-uitextfield-move-up-when-keyboard-is-present so that the text field that will be hidden come above the keyboard 2. increase the size of the view so that the area behind the keyboard is covered up. rect.origin.y kOFFSET_FOR_KEYBOARD rect.size.height kOFFSET_FOR_KEYBOARD else revert back to..
When should I release objects in -(void)viewDidUnload rather than in -dealloc? http://stackoverflow.com/questions/1158788/when-should-i-release-objects-in-voidviewdidunload-rather-than-in-dealloc share improve this question In addition to what has already been indicated I wanted to elaborate more about logic behind viewDidUnload . One of the most important reasons for implementing it is that UIViewController subclasses commonly also..
CGImage/UIImage lazily loading on UI thread causes stutter http://stackoverflow.com/questions/1815476/cgimage-uiimage-lazily-loading-on-ui-thread-causes-stutter of image method is unreliable. It causes intermittent EXC_BAD_ACCESS. I have no idea what UIImage is actually doing behind the scenes. Perhaps it is decompressing the JPEG data. Anyway the method is void forceLazyLoadOfImage UIImage image CGImageRef..
Available iPhone Web Application JavaScript UI Library/Frameworks http://stackoverflow.com/questions/215390/available-iphone-web-application-javascript-ui-library-frameworks mobile safari share improve this question Old question but still relevant. Sencha the new name of the company behind ExtJs just released the mobile app platform Sencha Tounch for iPhone iPod iPad and Android http www.sencha.com products..
Dismiss keyboard by touching background of UITableView http://stackoverflow.com/questions/2321038/dismiss-keyboard-by-touching-background-of-uitableview of the UITableView is touched. I'm trying to do this by creating a UIButton the size of the UITableView and placing it behind the UITableView . The only problem is the UIButton is catching all the touches even when the touch is on the UITableView...
UITableView issue when using separate delegate/dataSource http://stackoverflow.com/questions/254354/uitableview-issue-when-using-separate-delegate-datasource instance. With the above this worked fine on my machine. Also I think it would be good to state the motivation behind all this instead of just using the UITableViewController with its own UITableView . In my case it was to use other views..
How can I customize an iOS alert view? http://stackoverflow.com/questions/2600779/how-can-i-customize-an-ios-alert-view hide the second button if it's not being used. The view is actually the size of the entire screen so it blocks touches behind it but it is mostly transparent so the background shows through. When bringing it in I use a few animations to make it bounce..
UIKeyboardBoundsUserInfoKey is deprecated, what to use instead? http://stackoverflow.com/questions/2807339/uikeyboardboundsuserinfokey-is-deprecated-what-to-use-instead on an iPad app using 3.2 sdk. I'm dealing with obtaining the keyboard size to prevent my textfields from hidding behind it. I'm getting a Warning in Xcode UIKeyboardBoundsUserInfoKey is deprecated what should I use instead not to get this warning..
How to make a transparent UIWebView http://stackoverflow.com/questions/3646930/how-to-make-a-transparent-uiwebview way in my opinion is to put the text in an .rtf file and display it in a UIWebView. Then just put a UIImageView behind the UIWebView. I've tried to set the UIwebView's opacity to zero in IB but it didn't help. Can you help me Thanks in advance..
Inner shadow effect on UIView layer? http://stackoverflow.com/questions/4431292/inner-shadow-effect-on-uiview-layer to draw in drawRect however this would add the layer on top of other UIView objects since it's supposed to be a bar behind some buttons so I am at a loss as to what to do I could add another layer but again not sure how to achieve the inner shadow..
iPhone - Backgrounding to poll for events http://stackoverflow.com/questions/4656214/iphone-backgrounding-to-poll-for-events
iPhone smooth sketch drawing algorithm http://stackoverflow.com/questions/5076622/iphone-smooth-sketch-drawing-algorithm The easiest way to smooth a curve like this is to use a Bezier curve instead of straight line segments. For the math behind this see this article pointed to in this answer which describes how to calculate the curves required to smooth a curve that..
Can somebody explain the process of a UIViewController birth (which method follows which)? http://stackoverflow.com/questions/5107604/can-somebody-explain-the-process-of-a-uiviewcontroller-birth-which-method-follo by heart . Any detailed explaination iphone uiviewcontroller share improve this question There is a lot going on behind the scenes with Cocoa view and viewController management . 1. The viewController object At its most basic a viewController.. and take care of the memory management for you. Things get a little more tricky with nib files since so much happens behind the scenes. The awakeFromNib method is called for every object that is instantiated when a nib file is loaded and there..
iPhone SDK: what is the difference between loadView and viewDidLoad? http://stackoverflow.com/questions/573958/iphone-sdk-what-is-the-difference-between-loadview-and-viewdidload
Need to find Distance using Gyro+Accelerometer http://stackoverflow.com/questions/6647314/need-to-find-distance-using-gyroaccelerometer or tutorial Thanks in advance. iphone accelerometer distance gyroscope share improve this question Basic calculus behind this problem is in the expression and similar expressions for displacements in y and z and basic geometry is the Pythagorean..
Property vs. instance variable http://stackoverflow.com/questions/719788/property-vs-instance-variable nonatomic retain NSString myVar @end @implementation MyClass @synthesize myVar _myVar Now I thought the entire premise behind this strategy is so that one can easily distinguish the difference between an ivar and property. So if I want to use the..
SplitView like Facebook app on iPhone http://stackoverflow.com/questions/7775195/splitview-like-facebook-app-on-iphone new version of the app. The similar open source code can be found from here JTRevealSidebarDemo It reveals technique behind doing split view for iPhone. Edit Few other open source codes JWSlideMenu DDMenuController PKRevealController ViewDeck ECSlidingViewController..
Dispelling the UIImage imageNamed: FUD http://stackoverflow.com/questions/924740/dispelling-the-uiimage-imagenamed-fud gets bigger and when memory runs out it gets a lot smaller. For example does anyone know for sure that the image cache behind imageNamed does not respond to didReceiveMemoryWarning It seems unlikely that Apple would not do this. If you have any insight..
|