delegates

Disable scrolling via IBAction contained in subview

由 我只是一个虾纸丫 提交于 2020-01-14 06:27:07
问题 My iPad app is currently built as such: xml data is pulled from my website and parsed in a View Controller "FishIDView". This view controller has a UIScrollView "scrollView" that has a subview "XMLView" which is a UIView. scrollView is setup so that it scrolls and pages through the XMLViews based on the number of items contained in the XML. For example 12 items = 12 pages, or instances of XMLView. These pages contain photos of individual fish. Each of these pages contain a button that creates

method not called from app delegate in ios

由 荒凉一梦 提交于 2020-01-14 05:48:27
问题 I want to call a method from elsewhere in the app to get the user's location that was obtained in the app delegate. When calling CLLocation *getCurLoc = [AppDelegate getCurrentLocation]; from another view controller, nothing is returned. The App Delegate is, @synthesize locationManager; CLLocation *location; - (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions{ locationManager = [[CLLocationManager alloc]init]; locationManager.delegate =

How can I add an interface with delegate implementations to a class?

由 心不动则不痛 提交于 2020-01-14 03:14:33
问题 What is the fastest way in Eclipse to implement a new interface and generate delegate implementations to an existing class? For instance given an existing class Foo , suppose I want it to implement Iterator<Integer> using a delegate Iterator<Integer> . 回答1: Add the delegate field Iterator<Integer> and the implements Iterator<Integer> to foo as follows: public class Foo implements Iterator<Integer> { Iterator<Integer> iterator; } Select the source menu and then "Generate Delegate Methods".

use of Delegate in iphone sdk

由 情到浓时终转凉″ 提交于 2020-01-13 19:27:49
问题 Can somebody explain me how exactly does the delegate work in iphone sdk.....??? A simple example how to use the delegate and what are the advantages of using delegate. 回答1: Delegate pattern is used widely in iPhone SDK. Consider the examples: You are running an animation. The underlying system handles the animation for you. But it is natural that you want to do something when the animation is over (say, you want to activate a button or show some text when animation is over). Now how the

How do I pass function delegates to be called with LINQ? [closed]

由 北城以北 提交于 2020-01-13 14:01:10
问题 It's difficult to tell what is being asked here. This question is ambiguous, vague, incomplete, overly broad, or rhetorical and cannot be reasonably answered in its current form. For help clarifying this question so that it can be reopened, visit the help center. Closed 8 years ago . I think I'm asking the right question here... I have 4 stored procedures that return different subsets of the same data. I map this data to the same object in my server application. I've set my code up as follows

jQuery's .on function doesn't seem to like 'load' event

由 依然范特西╮ 提交于 2020-01-13 11:24:48
问题 I have a completely ajax driven website, so lately I've had to research delegation techniques. I've learned that .live and .delegate have been deprecated and the new function to use is .on . If I'm dynamically loading a webpage into a division on the current page (AJAX) like so: <html> <head> <script src="jquery.js"> </script> <script> function ajaxTest() { $('#content').load('test.php'); } </script> <script type="text/javascript"> $(function(){ $(document).on("click", "#map", function(){

ARC circular reference in objective-c uses delegate

由 拈花ヽ惹草 提交于 2020-01-13 10:16:12
问题 Hello! I tried to use a delegate in my app. My project uses ARC For example, I have protocol X and two object which uses it. In object B I created an instance for object A and set delegate self (A.delegate = self) In runtime I invoke a method callBack (in this point my delegate object is B ). After that they all execute the -showResult method. At what point is a circular reference formed? I understand that this is a problem with the specifier strong , but I don't understand what time it

How to get touch coordinates upon SELECTING a custom UITableViewCell?

由 我与影子孤独终老i 提交于 2020-01-13 09:23:08
问题 When I touch (Touch Up) a UITableViewCell my ViewController's UITableViewDelegate method - (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath is called. I need to get the x-coordinate of the Touch-Point at this time as well so that I can know what portion of the Cell was touched (non-accessory items). I have tried using the usual touch methods such as TouchesDidEnd but the coordinates always return x=0.000 y=0.000 no matter where I touched (A location in

objective-c protocol delegates

由 只愿长相守 提交于 2020-01-13 07:24:51
问题 I'm understanding how delegates work, had gone trough some examples, but now with a basic app for testing, it seems i haven't yet got it, here my code: Class defining protocol > *.h #import <Foundation/Foundation.h> @protocol protoPerra <NSObject> -(void) dimeTuNombre:(NSString *) s; @end @interface MyClassic : NSObject { id<protoPerra> _delegate; } @property (assign) id<protoPerra> delegate; @end Class implementing protocol> *.m #import "MyClassic.h" @implementation MyClassic @synthesize

Implement Delegate at Run Time?

由 瘦欲@ 提交于 2020-01-13 07:00:09
问题 I have a universal view controller class which all of the view controller classes in my app inherit from which has the following loadView method: - (void) loadView { if (viewType == UIStandardViewControllerViewTypeUIView) { UIView *view = [[UIView alloc] initWithFrame: [[UIScreen mainScreen] applicationFrame]]; [self setView: view]; [view release]; } else if (viewType == UIStandardViewControllerViewTypeUIScrollView) { UIScrollView *scrollView = [[UIScrollView alloc] initWithFrame: [[UIScreen
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