iphone-sdk-3.0

问题 Can any body guide me to add smileys to UItextField or UITextView? As v get in iChat view which is also editable u can add/remove it as v have for iChat in Desktop. Eg: Hello :) (this is smiley) Thanks Veena 回答1: Use the following code: NSRange range = {NSNotFound, 0}; NSString *s = @"This is a smiley :)"; range.location = 0; range.length = [s length]; s = [s stringByReplacingOccurrencesOfString:@":)" withString:@"\ue415" options:NSCaseInsensitiveSearch range:range]; 来源： https://stackoverflow

问题 I am trying to make one of my tab buttons go to the root using popToRootViewControllerAnimated. My question is: where do I put this code for it to work? I have my tabs created through Interface Builder... do they have to be hard coded for this to work? Here is the code that I'm looking to use: [self.navigationController popToRootViewControllerAnimated:YES]; New code in AppDelegate: - (void)tabBarController:(UITabBarController *)tabBarController didSelectViewController:(UIViewController *

问题 how to display twitter feeds of a specific user account in iphone sdk? 回答1: you can fetch tweets of specific user from below link: https://api.twitter.com/1/statuses/user_timeline.rss?screen_name= username &count=25&page=1 and use any parser like NSXMLParser to parse the above feed. Let me know if you need any more details. 回答2: This is very generic question. However for starters you can do the following Authenticate your app using Oauth Check out the APIs to fetch feeds from the twitter api

问题 How can I hide the keyboard on ScrollView touch event... Scenario is like that... ->View ->ScrollView ->Textfield I want to hide the keyboard on touch of scrollView. I tried to override the class for scrollview but still i can't do it. 回答1: Doing like this will help: @interface MyClass <UIScrollViewDelegate> { } @implementation - (void)viewDidLoad { yourScrollView.delegate = self; } - (void)scrollViewWillBeginDragging:(UIScrollView *)scrollView { [myTextField resignFirstResponder]; } If you

问题 I'm trying to add images to table cells in a grouped UITableView but the corners of the images are not clipped. What's the best way to go about clipping these (besides clipping them in Photoshop? The table contents are dynamic.) For example, the first image in a table would need the top left corner rounded only. 回答1: This was my solution, which could use a little refactoring: void addRoundedRectToPath(CGContextRef context, CGRect rect, float ovalWidth, float ovalHeight, BOOL top, BOOL bottom)

问题 Is it possible to have the MapKit connect defined points using the Google Maps API type routing connections. 回答1: Unfortunately not — it's part of the SDK agreement that if you do routing, you have to use your own maps, like TomTom and the like have. 回答2: Unfortunately not — it's part of the SDK agreement that if you do routing, you have to use your own maps, like TomTom and the like have. I don't see this in the 3.1.2 SDK agreement. Reading sections 3.3.7 through 3.3.11, the only restriction

问题 I would like to implement continous integration on an iphone. I've read that I can use HUDSON, and would like an opinion if this this the best option. Continuous Integration for Xcode projects? The cruise control option also looks interesting. http://blog.jeffreyfredrick.com/2008/11/27/continuous-integration-for-iphonexcode-projects/ Integration testing will be done by http://code.google.com/p/uispec/ Is this a valid choice. 回答1: Apple just released to OSX Mavericks a new continuous

问题 How to place UIPickerView programmatically in a subView with out using Interface Builder? 回答1: Hey! U can make UIPickerView programmatically.... In- viewController.m file - (void)viewDidLoad { [super viewDidLoad]; UIPickerView *pickerView = [[UIPickerView alloc] initWithFrame:CGRectMake(0,100,320, 500)]; [self.view addSubview:pickerView]; [pickerView setDelegate:self]; [pickerView release]; } - (NSInteger)numberOfComponentsInPickerView:(UIPickerView *)thePickerView { return ; //give

问题 i didn't really know how to title this question, but here's a thing that really kills me: In my app i have a UITableView, UISegmentedControl and UINavigationBar. Once UISegmentedControl gets one of its segments selected i want to show a UIActivityIndicatorView on the UINavigationBar and then parse an xml file and present the results in a table. Everything works almost as i want it to, except one thing, the activity indicator view gets added to the uinavigationbar after the parser finishes,

问题 I have a table view that uses a location manager to grab the users location. In my didUpdateToLocation method, i create an NSURLConnection to go off to my webservice which returns JSON. The delegate of the Connection is set to an instance of my JSONController class and in its connectionDidFinishLoading method, i need to call [tableView reloadData] to get the table view to refresh. How do i get a reference to my table view? I tried: TableViewController *myTVC = [[TableViewController alloc]