¡@
2014/10/15 ¤U¤È 10:04:09
iphone Programming Glossary: attributeNSFetchedResultsController with sections created by first letter of a string http://stackoverflow.com/questions/1112521/nsfetchedresultscontroller-with-sections-created-by-first-letter-of-a-string Data table into sections by the first letter of a last name a la the Address Book. I could go in and create another attribute i.e. a single letter for each person in order to act as the section division but this seems kludgy. Here's what I'm starting.. at least in my case as long as you omit a couple of things. Here's how it's working for me Add a new optional string attribute to the entity called lastNameInitial or something to that effect . Make this property transient. This means that Core Data.. 1 entity CommitteeObj renamingIdentifier committeeNameInitial validation predicates warnings versionHashModifier null attributeType 700 attributeValueClassName NSString defaultValue null NSInvalidArgumentException AT THIS LINE vvvv fetchRequest setPropertiesToFetch..
Setting action for back button in navigation controller http://stackoverflow.com/questions/1214965/setting-action-for-back-button-in-navigation-controller I've provided a target an action on the custom button. The odd thing is when assigning it though the backbutton attribute it doesn't pay attention to them and it just pops the current view and goes back to the root UIBarButtonItem backButton..
How to make xib compatible with both iphone 5 and iphone 4 devices http://stackoverflow.com/questions/13275144/how-to-make-xib-compatible-with-both-iphone-5-and-iphone-4-devices to actually make an xib compatible to both the devices For more clarity I am adding screenshots When I set size 3.5 in attribute inspector it looks in iphone 5. There is a space below the buttons If I set size 4 inch in interface builder. You can see..
http://stackoverflow.com/questions/1388467/reading-epub-format where the key is the id and the object is the href. b Look at the first itemref in the spine . It has an idref attribute which corresponds to one of the ids in a . Look up that id in the NSDictionary and you'll get an href. c this is the the..
How to use the first character as a section name http://stackoverflow.com/questions/1741093/how-to-use-the-first-character-as-a-section-name section return sectionInfo name UPDATE 2 For the new 'uppercaseFirstLetterOfName' transient property add a new string attribute to the applicable entity in the model and check the transient box. There are a few ways to implement the getter. If you..
@property and retain, assign, copy, nonatomic in Objective-C http://stackoverflow.com/questions/2255861/property-and-retain-assign-copy-nonatomic-in-objective-c assign assign is the default. In the setter that is created by @synthesize the value will simply be assigned to the attribute. My understanding is that assign should be used for non pointer attributes. retain is needed when the attribute is a pointer.. the value will simply be assigned to the attribute. My understanding is that assign should be used for non pointer attributes. retain is needed when the attribute is a pointer to an object. The setter generated by @synthesize will retain aka add.. to the attribute. My understanding is that assign should be used for non pointer attributes. retain is needed when the attribute is a pointer to an object. The setter generated by @synthesize will retain aka add a retain count the object. You will need..
iPad/iPhone browser crashing when loading images in Javascript http://stackoverflow.com/questions/2986039/ipad-iphone-browser-crashing-when-loading-images-in-javascript you need to update the image itself so it takes up very little memory and you can do that by changing the image's src attribute. The quickest way I know of to do that is to use a data URL . So instead of saying this myImage.src path to image.png ...say..
Adding the “Clear” Button to an iPhone UITextField http://stackoverflow.com/questions/320078/adding-the-clear-button-to-an-iphone-uitextfield How do you add that little X button on the right side of a UITextField that clears the text I can't find an attribute for adding this sub control in Interface Builder in the iPhone OS 2.2 SDK. Note In the iPhone 3.0 and later SDKs you can..
http://stackoverflow.com/questions/3558252/ios-keychain-security of encryption On iOS 3.x and earlier all keys can be decrypted using Fraunhofer's method regardless of accessibility attribute used Devices with no passcodes at all will still be vulnerable Devices with weak passcodes less than six digits will still..
How can I find out if the iPhone user currently has a passcode set and encryption enabled? http://stackoverflow.com/questions/3806455/how-can-i-find-out-if-the-iphone-user-currently-has-a-passcode-set-and-encryptio its data to be encrypted. I've learned how to turn on encryption for files by setting the NSFileProtectionComplete attribute. I also know how to check the iPhone version to make sure they are running iOS 4.0 or better. What I've realized though.. error NULL obviously do better error handling NSDictionary testFileAttributes NSFileManager defaultManager attributesOfItemAtPath testFile1Path error NULL BOOL fileProtectionEnabled NSFileProtectionNone isEqualToString testFile1Attributes..
How should I store UIImages within my Core Data database? http://stackoverflow.com/questions/3908910/how-should-i-store-uiimages-within-my-core-data-database this question Storing images within a Core Data database is pretty easy to do. You just need to mark your image attribute as a transformable one and create a subclass of NSValueTransformer. Within that subclass add code like the following Class.. UIImage value id reverseTransformedValue id value return UIImage imageWithData NSData value For your transformable attribute specify this subclass's name as the Value Transformer Name. You can then create an NSManagedObject subclass for the entity.. name as the Value Transformer Name. You can then create an NSManagedObject subclass for the entity hosting this image attribute and declare a property for this image attribute @property nonatomic retain UIImage thumbnailImage You can read UIImages..
How do I correctly detect orientation change using javascript and Phonegap in IOS? http://stackoverflow.com/questions/5284878/how-do-i-correctly-detect-orientation-change-using-javascript-and-phonegap-in-io to the right. var orientation window.orientation switch orientation case 0 If in portrait mode sets the body's class attribute to portrait. Consequently all style definitions matching the body class portrait declaration in the iPhoneOrientation.css.. button on the bottom . break case 90 If in landscape mode with the screen turned to the left sets the body's class attribute to landscapeLeft. In this case all style definitions matching the body class landscapeLeft declaration in the iPhoneOrientation.css.. button to the right . break case 90 If in landscape mode with the screen turned to the right sets the body's class attribute to landscapeRight. Here all style definitions matching the body class landscapeRight declaration in the iPhoneOrientation.css..
Changing the background color of a UIAlertView? http://stackoverflow.com/questions/883208/changing-the-background-color-of-a-uialertview of a UIAlertView I want to change the background color of my UIAlertView but this doesn't appear to have a color attribute. iphone objective c cocoa touch uikit uialertview share improve this question Background of AlertView is an image And..
How can a superview interecept a touch sequence before any of its subviews? http://stackoverflow.com/questions/1673903/how-can-a-superview-interecept-a-touch-sequence-before-any-of-its-subviews seems to work wonders. I'm using IB so I unchecked Cancellable Content Touches in IB first tab of the Scroll View Attribute Inspector. Now when I run the app touches appear to be arriving at contentViewB reliably. Here's how the UIScrollView docs..
User Defined Runtime Attributes in IB for iPhone not working http://stackoverflow.com/questions/3980251/user-defined-runtime-attributes-in-ib-for-iphone-not-working Defined Runtime Attributes in IB for iPhone not working I have a weird problem. I am trying to setup User Defined Runtime Attribute in the IB. As.. Runtime Attributes in IB for iPhone not working I have a weird problem. I am trying to setup User Defined Runtime Attribute in the IB. As shown below I setup a NSString statID attribute in my viewController and wanted to give it a test value 00000.. I know I can set up user defined attributes in iOS from the iOS docs found here go down to section Configuring Runtime Attributes for Custom Objects Any idea why it is giving me the error iphone interface builder share improve this question User..
Return NSArray from NSDictionary http://stackoverflow.com/questions/6481504/return-nsarray-from-nsdictionary an array with dictionary in it of an attribute of a core data object. Here is my previous question Create Array From Attribute of NSObject From NSFetchResultsController This is the fetch NSFetchRequest request NSFetchRequest alloc init request setEntity..
How to use a common target object to handle actions/outlets of multiple views? http://stackoverflow.com/questions/6950674/how-to-use-a-common-target-object-to-handle-actions-outlets-of-multiple-views with File's Owner in Xcode 4.x. Select it and in the Identity Inspector set it's class to the appropriate type. In the Attributes Inspector set the Identifier string to TargetObject or whatever string you want to use in the code below . Profit The Code.. dictionary of objects with strings identifying them. These strings should match the Identifiers you specified in IB's Attribute Inspector. NSDictionary externalObjects NSDictionary dictionaryWithObjectsAndKeys targetObject @ TargetObject nil Load..
Xcode 4.2 Warnings when dropping Nav Controller on Tab Bar in IB http://stackoverflow.com/questions/7625731/xcode-4-2-warnings-when-dropping-nav-controller-on-tab-bar-in-ib target is set to iOS 4.0. Whenever I drop a UINavigationController onto a UITabBar I get these two warnings warning Attribute Unavailable Defines Presentation Context is not available prior to Xcode 4.2. warning Attribute Unavailable Defines Presentation.. two warnings warning Attribute Unavailable Defines Presentation Context is not available prior to Xcode 4.2. warning Attribute Unavailable Defines Presentation Context on iOS versions prior to 5.0. The UINavigationController functions as expected..
Appending data to PLIST - iPhone http://stackoverflow.com/questions/8884215/appending-data-to-plist-iphone as arrays and each with a few values. The structure looks like this 124818240124810284.JPG Array item 0 String Some Attribute 1 item 1 String Some Attribute 2 So far we can create the above with no issue. But as soon as we go to write another array.. values. The structure looks like this 124818240124810284.JPG Array item 0 String Some Attribute 1 item 1 String Some Attribute 2 So far we can create the above with no issue. But as soon as we go to write another array to the plist the file is simply.. do is read in the above and add to it so we get something like this 124818240124810284.JPG Array item 0 String Some Attribute 1 item 1 String Some Attribute 2 354273577823597297.JPG Array item 0 String Some Attribute 1 item 1 String Some Attribute..
http://stackoverflow.com/questions/9090745/custom-font-in-a-storyboard remember that UINavigationBar UITabBar and UISegmentedControl custom font can be specified by using the setTitleTextAttributes method of the UIAppearance proxy . Add the categories below to the project for UIButton UITextField UILabel and any other.. the font in Storyboard just select the desired element label button textview etc and add a User Defined Runtime Attribute with Key Path set to fontName of type String and value with the name of your custom font. And that's it you don't even need..
|