ios6

问题 I want to add mandatory field mark in textfield placeholder text like below image please suggest me i am totally confused how to do it 回答1: You can use : NSMutableAttributedString *attriButedString = [[NSMutableAttributedString alloc]initWithString:@"Mandatory*"]; [attriButedString addAttribute:NSForegroundColorAttributeName value:[NSColor lightGrayColor] range:NSMakeRange(0, 9)]; [attriButedString addAttribute:NSForegroundColorAttributeName value:[NSColor redColor] range:NSMakeRange(9, 1)];

问题 I am facing a crash on iOS 6.0. I have a view controller from which I present a navigation view controller modally and then from the navigation stack I present another view controller modally and finally to dismiss the whole modal stack I pass the following message to my first view controller from where I showed the navigation controller. Now this works fine on iOS below 6.0. How should I handle this? [self dismissModalViewControllerAnimated:YES]; 回答1: I had this similar crash as well and one

问题 I am newbie to sharekit. I am trying to post a simple text: @"Hello" to Facebook, but facing problems in doing so.. It leads me to the login page. I login and then it closes and comes back to the main screen. But when i check my timeline, it is not added.. My ViewController.h #import <UIKit/UIKit.h> @interface ViewController : UIViewController{ UIButton *btn; IBOutlet UIToolbar *toolbar; } @property (nonatomic,strong) UIButton *btn; - (IBAction)btnShareClicked:(id)sender; @end My

问题 I have tried following code : These is my delegate method of MPMediPickerController : - (void) mediaPicker: (MPMediaPickerController *) mediaPicker didPickMediaItems: (MPMediaItemCollection *) mediaItemCollection { // Dismiss the media item picker. [self dismissModalViewControllerAnimated: YES]; NSLog(@"%@ %d",mediaItemCollection,mediaItemCollection.count); NSArray *newMediaItem= [mediaItemCollection items]; MPMediaItem *item=[[newMediaItem objectAtIndex:0] retain]; [self uploadMusicFile:item

问题 Before I had a pass in my server and I got last-modified by using this: header('Last-Modified: ' . date("D, d M Y H:i:s", filemtime('/Applications/MAMP/htdocs/passesWebserver/DigiClubCard.pkpass')) . ' GMT+07:00'); Now I don't have any pass in my server and I only have data of pass in database, so what should I change this header in order to get last-modified of the pass? 回答1: If you are sending a new, dynamically created pass, to create a header with the current time you can: // Tell PHP to

问题 I have three UIViewControllers that I need to show in succession. The UIViewController1 is my main view controller and has a button. Clicking on the button displays UIViewController2 modally. After 30 seconds, UIViewController3 is automatially shown modally. Do I have to first dimiss UIViewcontroller2 and then display UIViewController3?. I have a Done button on UIViewcontroller3 and clicking on it should take me back to UIViewController1 (main view controller). Do I have first dismiss

问题 I am trying to run VAFieldTest application in my device, but the application got crashed at this line _CTServerConnectionRegisterForNotification . How can I fix this crash? Here are the parameters I have passed: CTServerConnectionRef conn; void register_notification(){ if (!mach_port || !conn) return; void *libHandle = dlopen("/System/Library/Frameworks/CoreTelephony.framework/CoreTelephony", RTLD_LOCAL | RTLD_LAZY); void *kCTCellMonitorUpdateNotification = dlsym(libHandle,

问题 Is it possible to check if a device is iOS inside an HTML email? I want to display Apple and Google maps schema links to the native apps, but only if the device supports it. 回答1: Had a look online and couldn't even find a hack in CSS. Shame there is no equivalent to the <!--[if gte mso 9]> tags. It looks like the answer is technically no... Good thing in this case is that Mac has different CSS support to other clients, so you can leverage that as a work around in email. Try using one of the

问题 Is there any tutorial to integrate my iOS 6 app with Twitter and Google. I have searched a lot but I could not find any good example or code. Please anyone guide me. 回答1: Use this code for twitter in iOS 5,6. if ([SLComposeViewController isAvailableForServiceType:SLServiceTypeTwitter]) { SLComposeViewController *tweetSheet = [SLComposeViewController composeViewControllerForServiceType:SLServiceTypeTwitter]; [tweetSheet setInitialText:@"Tweeting from my own app! :)"]; [self

问题 I am trying to control context of tableview with segmented control(which is above tableview). On change segment I want to reload data in my table tableView with different cells ( I have two types of cells and two data arrays for every type). How to clear and reload data with different cell ? 回答1: I'm just providing a few lines of code to what @jaydee3 has mentioned. - (IBAction)segmentControlValueChanged:(UISegmentedControl *)sender { //Do something [self.tableView reloadData]; } - (NSInteger