xcode4.3

问题 What is the different between, (CFDataRef) data & (__bridge CFDataRef) data Xcode asked me to change it to bridge. Is that because of ARC? 回答1: Yes, ARC needs to be given instructions when you cast between toll-free bridged types. In this case __bridge tells ARC to do nothing, so this will behave the same as the previous standard cast. You can read the Transitioning to ARC Release Notes for more details on the different ways to do bridging casts. 来源： https://stackoverflow.com/questions

问题 This question already has answers here : How to “add existing frameworks” in Xcode 4? (9 answers) Closed 5 years ago . How i can add a framework to XCode 4.3.2 project ? Because a SDK directories inside a XCode.app and i can't add a framework by "Add files to ..." Updated: For this action you can do a this steps: Click on Project at left table Click on "Build Phases" on right table Click on "Link Binary With Libraries" Click "+" Find needing framework and click "Add" And your needing

问题 I got an error when archiving a project. This is my environment. Mac OS Lion Xcode 4.3.1 iOS SDK 5.1 The project deployment target is: IPHONEOS_DEPLOYMENT_TARGET 3.2 The error shows: ld: library not found for -lPods clang: error: linker command failed with exit code 1 (use -v to see invocation) I guess Pods is CocoaPods that I used to manage XCode project dependencies. https://github.com/CocoaPods/CocoaPods This is my Podfile platform :ios dependency 'libPusher', '1.1' I am not sure what the

问题 I got an error when archiving a project. This is my environment. Mac OS Lion Xcode 4.3.1 iOS SDK 5.1 The project deployment target is: IPHONEOS_DEPLOYMENT_TARGET 3.2 The error shows: ld: library not found for -lPods clang: error: linker command failed with exit code 1 (use -v to see invocation) I guess Pods is CocoaPods that I used to manage XCode project dependencies. https://github.com/CocoaPods/CocoaPods This is my Podfile platform :ios dependency 'libPusher', '1.1' I am not sure what the

问题 simply I am beginner in developing on ipad and I need to draw rectangle at point x,y with width and height when i clicked or touched button . I searched on google but i didn't find anything working in button handler 回答1: Create rectangleButton in viewDidLoad method and write -(void)rectangleButtonSelected method in your ViewController.m. And also create class RectangleView of UIView. -(void)rectangleButtonSelected{ RectangleView *temp = [[RectangleView alloc] initWithFrame:CGRectMake(0, 0, 60

问题 Hello I am able to fade an image out automatically. How would I manage to fade the image IN automatically. Here is my code. .h @property (assign) IBOutlet UIImageView *cbizFadeImage; .m - (void)viewDidLoad { //Fade Image Out CGRect aboutNicheImageFrame = cbizFadeImage.frame; aboutNicheImageFrame.origin.y = self.view.bounds.size.height; // iOS4+ [UIView animateWithDuration:0.5 delay:2.0 options: UIViewAnimationCurveEaseOut animations:^{ cbizFadeImage.alpha = 0; } completion:^(BOOL finished){

问题 Like most, I recently downloaded the latest version of XCode (4.3.1). I've noticed that as I'm creating new UIViewController objects, the associated .m files contain additional class definition code that I haven't ever seen before. Specifically, if I create a new UIViewController named 'TestViewController', I get the following .m file output. \\... removed comments... #import "TestViewController.h" @interface TestViewController () @end @implementation TestViewController - (id)initWithNibName:

问题 Everything works well in the previous version of XCode. But today in the XCode 4.3.2 I have a problem. How do I log russian text or non-latin? NSLog(@"russian text: русский текст"); NSString *text = @"russian text: русский текст"; const char *textC = [text UTF8String]; NSString *getText = [NSString stringWithCString:textC encoding:NSUTF8StringEncoding]; NSLog(@"___text: %@", getText); My logs russian text: —Ä—É—Å—Å–∫–∏–π —Ç–µ–∫—Å—Ç ___text: russian text: —Ä—É—Å—Å–∫–∏–π —Ç–µ–∫—Å—Ç UPDATE: The

问题 Within my application, I want to check if there is any updated version of my application is in the app store. If there is any, then have to inform the user through an alert message and if he/she opt for upgrade I want to update the new version.I want to do all this through my application. Is this possible? 回答1: You can store the most current application version string on your server. When the app is activated, request this information from the server and compare it to the version string that

问题 Within my application, I want to check if there is any updated version of my application is in the app store. If there is any, then have to inform the user through an alert message and if he/she opt for upgrade I want to update the new version.I want to do all this through my application. Is this possible? 回答1: You can store the most current application version string on your server. When the app is activated, request this information from the server and compare it to the version string that