¡@
2014/10/15 ¤U¤È 10:12:24
iphone Programming Glossary: outlet@synthesize vs @dynamic, what are the differences? http://stackoverflow.com/questions/1160498/synthesize-vs-dynamic-what-are-the-differences at runtime . Uses for @dynamic are e.g. with subclasses of NSManagedObject CoreData or when you want to create an outlet for a property defined by a superclass that was not defined as an outlet Super class @property nonatomic retain NSButton.. CoreData or when you want to create an outlet for a property defined by a superclass that was not defined as an outlet Super class @property nonatomic retain NSButton someButton ... @synthesize someButton Subclass @property nonatomic retain..
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 choose the class file where same iphone 4 xib file is implemented. In the connection inspector you then see all the outlet and method name attach them all the same as in the iphone 4 xib. In coding do something like this to instantiate the view..
http://stackoverflow.com/questions/2247647/offset-on-uiwindow-addsubview controller and its view in the same NIB but you connect the view to the view controller through the controller's view outlet rather than nesting it the controller will not adjust the view's frame automatically. If you create your view controller..
How to implement didReceiveMemoryWarning? http://stackoverflow.com/questions/2430728/how-to-implement-didreceivememorywarning in the current hierarchy so that each one of them should implement didReceiveMemoryWarning method and also set iboutlet to nil for the view that is currently not visible . I have also read somewhere that if the view for that controller is not.. the view for that controller is not visible the method setView with nil parameter will be called and if there are some outlet variables attached to view there will be problem in removing them. So with all these fundas what is the best to handle low.. it this way myStringC release No setter defined must release it this way 3. MUST CONFIRM NOT necessary to release outlets here See override of setView instead. self.labelA nil self.imageViewA nil self.subViewA nil Releases the view if it doesn't..
UITableView issue when using separate delegate/dataSource http://stackoverflow.com/questions/254354/uitableview-issue-when-using-separate-delegate-datasource Builder and drag a UITableView onto the provided view surface. Connect the UITableView 's dataSource and delegate outlets to File's Owner which should already represent the TableTestViewController class. Save your changes Back in Xcode add the.. from the iPhone Developer Forums I've documented a solution The main UIViewController subclass of the project needs an outlet pointing to the UITableViewController instance. To accomplish this simply add the following to the primary view's header.. and IBOutlet TableTestTableViewController myTableViewController Then in Interface Builder connect the new outlet from File's Owner to TableTestTableViewController in the main IB window. No changes are necessary in the UI part of the..
Problem dealloc'ing memory used by UIImageViews with fairly large image in an UIScrollView http://stackoverflow.com/questions/289360/problem-deallocing-memory-used-by-uiimageviews-with-fairly-large-image-in-an-ui or so UIImageView image tiles. I'm adding these UIImageViews to the scroll view inside of my NIB files. I have one outlet on my controller and that is to the UIScrollView. I'm using a property nonatomic retain for this and sythesizing it. My..
problem with “this class is not key value coding-compliant” http://stackoverflow.com/questions/3760803/problem-with-this-class-is-not-key-value-coding-compliant most appropriate. The reason it's failing is because the owner is being passed as nil. You're binding the actionText outlet to the file's owner in IB but then when loading the nib the owner is nil. I'd guess that when loading with a nil owner behind.. to the Alert Cell and not the file's owner You have File's Owner and an Alert Cell bind the UILabel to the actionText outlet of the Alert Cell and not the File's owner which is what's being done at present I suspect this is what you want. With that..
Do I need to release xib resources? http://stackoverflow.com/questions/61838/do-i-need-to-release-xib-resources touch share improve this question If you follow what is now considered to be best practice you should release outlet properties because you should have retained them in the set accessor @interface MyController MySuperclass Control uiElement.. this situation you want to make sure that when the main view is disposed of you also relinquish ownership of any other outlets so that they too can be deallocated. For UIViewController you can deal with this issue by overriding setView as follows.. as well as in response to a memory warning... This will lead to a crash in dealloc . The remedy is to ensure that outlet variables are also set to nil in dealloc void dealloc release outlets and set variables to nil anOutlet release anOutlet..
iPhone: How to load a View using a nib file created with Interface Builder http://stackoverflow.com/questions/863321/iphone-how-to-load-a-view-using-a-nib-file-created-with-interface-builder MY PROBLEM PROBABLY ARE . I set the both the ViewController and the View to be of class Question1View. I link the outlets with the view's component using IB . I override the initWithNib of my QuestionManagerViewController to look like this id.. ' reason ' UIViewController _loadViewFromNibNamed bundle loaded the Question1View nib but the view outlet was not set.' Im sure there is a way to load the view using the nib file without needing to create a viewController class... an easier way to access the view instead of dealing with the nib as an array. 1 Create a custom View subclass with any outlets that you want to have access to later. MyView 2 in the UIViewController that you want to load and handle the nib create..
http://stackoverflow.com/questions/9090745/custom-font-in-a-storyboard the name of your custom font. And that's it you don't even need to import the categories. This way you don't need an outlet for every UI component that requires a custom font and you don't need to code it manually. Take into account that the font..
steps for creating UIScrollView with Interface Builder http://stackoverflow.com/questions/9118796/steps-for-creating-uiscrollview-with-interface-builder to the screen size 320x460 or just turn on a status bar under Simulated Metrics . Connect the scroll view's delegate outlet to File's Owner. Set the File's Owner's view outlet to the scroll view. Create a UIView as another top level object in your.. bar under Simulated Metrics . Connect the scroll view's delegate outlet to File's Owner. Set the File's Owner's view outlet to the scroll view. Create a UIView as another top level object in your nib. This will be your content view. Set the content.. This will be your content view. Set the content view's size to 320x700. Create a strong or retain if not using ARC outlet named contentView in your view controller File's Owner and connect it to the content view. Put your buttons in the content..
Storyboard static cells: dequeueReusableCellWithIdentifier returns nil http://stackoverflow.com/questions/9993669/storyboard-static-cells-dequeuereusablecellwithidentifier-returns-nil from the table view using cellForRowAtIndexPath UITableViewCell cell tableView cellForRowAtIndexPath indexPath have an outlet to the specific cell and customise it directly. Iterate through the cells and check the reuseIdentifier property to get..
|