2014/10/15 下午 10:12:57

iphone Programming Glossary: programmatic

http://stackoverflow.com/questions/1077810/delete-reset-all-entries-in-core-data

stored in Core Data My schema should stay the same I just want to reset it to blank. Edit I'm looking to do this programmatically so that a user can essentially hit a reset button. iphone cocoa cocoa touch core data share improve this question.. hit a reset button. iphone cocoa cocoa touch core data share improve this question You can still delete the file programmatically using the NSFileManager removeItemAtPath method. NSPersistentStore store ... NSError error NSURL storeURL store.URL.. storeURL.path error error Then just add the persistent store back to ensure it is recreated properly. The programmatic way for iterating through each entity is both slower and prone to error. The use for doing it that way is if you want to..

How to properly design multi-orientation iPad application

http://stackoverflow.com/questions/11621777/how-to-properly-design-multi-orientation-ipad-application

two .xibs with switching between them automated my SecondViewController One view controller and one .xib with minor programmatic layout on rotations ThirdViewController The RotatingViewController base class I use is equally applicable to iPhone apps...

iPhone viewWillAppear not firing

http://stackoverflow.com/questions/131062/iphone-viewwillappear-not-firing

I would expect the added view s to be wired up for viewWillAppear events. Does anyone have an example of a complex programmatic view heirarchy that successfully recieves viewWillAppear events at every level Apple's Docs state Warning If the view belonging..

Barcode reading using picture taken using mobile phone camera

http://stackoverflow.com/questions/1339867/barcode-reading-using-picture-taken-using-mobile-phone-camera

reading using picture taken using mobile phone camera How do we do programmatic reading of a barcode that is captured using a mobile phone camera For example how do that using iPhone or Android or Java..

always returns “en_US” not user's current language

http://stackoverflow.com/questions/1522210/always-returns-en-us-not-users-current-language

en_US&rdquo not user's current language I'm in the processes of internationalizing an iPhone app I need to make programmatic changes to certain views based on what the user's current locale is. I'm going nuts because no matter what the language..

How do I programatically zoom a UIScrollView?

http://stackoverflow.com/questions/172255/how-do-i-programatically-zoom-a-uiscrollview

has a very simple example of this in their documentation on how to handle double taps. The basic approach to doing programmatic zooms is to do it yourself and then tell the UIScrollView that you did it. Adjust the internal view's frame and bounds...

UIScroll View Delegate not calling ScrollViewDidEndScrollingAnimation

http://stackoverflow.com/questions/1969256/uiscroll-view-delegate-not-calling-scrollviewdidendscrollinganimation

iphone uiscrollviewdelegate share improve this question scrollViewDidEndScrollingAnimation is called when a programmatic generated scroll finishes. scrollViewDidEndDecelerating is called when a user swipe scroll finishes. share improve this..

When should I initialize a view controller using initWithNibName?

http://stackoverflow.com/questions/2224077/when-should-i-initialize-a-view-controller-using-initwithnibname

object and prevents callers from accidentally breaking encapsulation. Now if you change the name of the NIB or move to programmatic construction you fix it in one place in the view controller rather than in every place the view controller is used. share..

iphone uiwebview programmatic zoom

http://stackoverflow.com/questions/2305955/iphone-uiwebview-programmatic-zoom

uiwebview programmatic zoom I'm developing an app that saves html files locally on iPhone file system then load them in UIWebView. I want to be.. saves html files locally on iPhone file system then load them in UIWebView. I want to be able to zoom or double tap programmatically on the UIWebView I tried searching for javascript code but I could only scroll. I also tried the webview transform but.. in the UIApplication class that can send actions to controls. Does anybody know how to send the double tap action programmatically to a UIWebView on a certain x y iphone uiwebview zoom share improve this question get the UIWebview's subview which..

How to take an iPhone screenshot of entire view including parts off screen?

http://stackoverflow.com/questions/2328201/how-to-take-an-iphone-screenshot-of-entire-view-including-parts-off-screen

entire view including the non visible area to use for documentation and soliciting feedback from my customer. Is there programmatic way to get an image of the entire view I don't think there would be a way on the device to do this but maybe there is. .. question Just pasting some code I used in my app. It draws a view to an image potentially scaling . Maybe you could programmaticaly scroll the table and stitch the images together in the end or something similar UIImage captureView UIView view inSize..

How can you play music from the iPod app while still receiving remote control events in your app?

http://stackoverflow.com/questions/3191580/how-can-you-play-music-from-the-ipod-app-while-still-receiving-remote-control-ev

events but not both simultaneously. Here's what I know so far... If you use the MPMusicPlayer you can easily have programmatic access to the entire music library. However it not your app receives the remote notifications regardless if you use applicationMusicPlayer..

How can I set a button background color on iPhone?

http://stackoverflow.com/questions/372731/how-can-i-set-a-button-background-color-on-iphone

background color of a button Interface Builder doesn't seem to have an interface to do this. Is it only available programmatically If so can you provide an example please iphone cocoa touch share improve this question I read your question to.. an example please iphone cocoa touch share improve this question I read your question to require as I do a programmatic way to set button color. It's a glaring omission from the UIKit and I couldn't get the undocumented UIGlassButton to work...

Finding image type from NSData or UIImage

http://stackoverflow.com/questions/4147311/finding-image-type-from-nsdata-or-uiimage

I don't know what format the data is in PNG JPG BMP I assume it is JPG since it's an image from the web but is there a programmatic way of finding out for sure I've looked around StackOverflow and at the documentation and haven't been able to find anything...

In dealloc method set any delegate to nil is needed or not needed

http://stackoverflow.com/questions/7632278/in-dealloc-method-set-any-delegate-to-nil-is-needed-or-not-needed

dealloc method set any delegate to nil is needed or not needed I have created tableview in my view by programmatic like below table UITableView alloc initWithFrame CGRectMake 0 44 320 370 style UITableViewCellStyleDefault table.delegate..

UISegmentedControl change event not firing in iOS5

http://stackoverflow.com/questions/8054728/uisegmentedcontrol-change-event-not-firing-in-ios5

the control to change the selected segment as expected segmentChangeAction is called whether in iOS4 or iOS5. When I programmatically change the selected segment through segmentedControl.selectedSegmentIndex newIndex on iOS4 segmentChangeAction is called.. new selection. Is this a change in iOS5 Is there anything I can do to get segmentChangeAction called on iOS5 when I programmatically change the selection iphone ios ios5 uisegmentedcontrol share improve this question This is a change in iOS 5 in.. of user interaction. Prior to iOS 5 UISegmentedControl 's actions would be fired because of user interaction and programmatic interaction. However initiating the change programmatically means that you can also do myControl sendActionsForControlEvents..

Loading a view controller & view hierarchy programatically in Cocoa Touch without xib

http://stackoverflow.com/questions/809898/loading-a-view-controller-view-hierarchy-programatically-in-cocoa-touch-withou

iphone cocoa touch uikit uiviewcontroller share improve this question It's reasonably simple to do completely programmatic user interface generation. First you need to edit main.m to look something like the following int main int argc char argv..

Force app to close and run in background

http://stackoverflow.com/questions/8920844/force-app-to-close-and-run-in-background

a process needs to run in the background for a certain amount of time or until finished. We just need to know how to programmatically force the app to enter the background where processes can continue running. Any help on this would be great Thanks in.. running. Any help on this would be great Thanks in advance UPDATE We have confirmed that there does not seem to be a programmatic way to force the app to quit enter background and continue running background tasks. You can force the the app to exit using..

XCode: Displaying a UIDatePicker when user clicks on UITextbox

http://stackoverflow.com/questions/8974131/xcode-displaying-a-uidatepicker-when-user-clicks-on-uitextbox

and then I make sure that in StoryBoard I set the class of my UITextView control to be that custom class. I've tried programmatically generating the UIDatePicker and also tried dragging it onto the view in StoryBoard. When I try the programmatic approach.. programmatically generating the UIDatePicker and also tried dragging it onto the view in StoryBoard. When I try the programmatic approach nothing is displayed and when I try dragging it onto the StoryBoard it ALWAYS displays. When I set it's attribute..

Should views be created using NIBs or code in iPhone?

http://stackoverflow.com/questions/998452/should-views-be-created-using-nibs-or-code-in-iphone

this question Often you want to use Interface Builder there are several reasons why you would want to do this over programmatic interfaces it is the more accepted way of creating user interfaces due to its simplicity and visual advantages that you.. to follow in order to maintain consistency and usability across iPhone applications. Despite this the main reason why programmatic interfaces are sometimes more favourable over using Interface Builder is for interface elements that need to be created.. anyway but it will increase loading time. That being said however the normal workaround to this problem is not to use programmatic interfaces but to place different groups of interface elements in different NIB files placing the immediately required interfaces..