ios7

问题 This question already has answers here : UIDevice uniqueIdentifier deprecated - What to do now? (32 answers) iOS unique user identifier [duplicate] (7 answers) Closed 5 years ago . First of all, I'd like to say that I'm fully aware that uniqueIdentifier has been deprecated and there are identifierForVendor & advertisingIdentifier . My question is, if there is a way to have a fully persistent device identifier which lives through anything like reboots, app uninstalls, etc. Currently we use

问题 I have an app that runs perfectly on iOS 6. I've set a blinking effect to a UISlider's thumb this way: -(void)startBlinkingSlider{ isSliderBlinking = YES; isSliderTinted = NO; [self performSelector:@selector(toggleSliderColor) withObject:nil afterDelay:0.2]; } -(void)toggleSliderColor{ if(isSliderBlinking){ if(isSliderTinted){ self.effectAmountSlider.thumbTintColor = [UIColor colorWithRed:0 green:0 blue:0 alpha:1]; }else{ self.effectAmountSlider.thumbTintColor = [UIColor colorWithRed:255

问题 My app has a UILabel formatted as an NSAttributedString with the attribute: 'NSKernAttributeName @1.9,' When the below code is compiled on iPad running IOS6, the kern works as expected. When compiled on iPad running IOS7, no kerning occurs. I have filed Bug at Apple Developer site. #15108371 - No Response yet NSString *formattedNumber; NSNumber *scoreNum = [[NSNumber alloc] initWithLongLong:thisScore]; NSNumberFormatter *formatter = [[NSNumberFormatter alloc] init]; formatter.numberStyle =

问题 I want the tableview to display multiple images in each and every row which is scrollable. For this I'm using UITableView and Custom UITableViewCell , in custom tableView cell i'm generating scroll view with multiple views & images, So when i'm scrolling table its not scrolling smoothly its blinking. Can anyone suggest me to do this in better way? - (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath { // Products table view. ProductCustomCell

问题 I use opencv 2.4.9 for iOS and need help. I would like to capture with CVVideoCamera during filming high-resolution photos. I need the video camera for the process image method to add a mature document capture via edge detection. This works great as well but i need a photo of the recognized high-resolution photo of the document once the document has been detected. i found this http://code.opencv.org/svn/gsoc2012/ios/trunk/HelloWorld_iOS/HelloWorld_iOS/VideoCameraController.m this works with

问题 I have text field, i need to show the cursor and hide the keyboard. It looks ok in the IOS 6 and IOS 5. But in IOS 7 i can see small white line on the bottom. My code is UIScrollView *scrollview = [[UIScrollView alloc] initWithFrame:CGRectMake(0, 0, 1024, 768)]; [scrollview setDelegate:self]; [self.view addSubview:scrollview]; [self.view bringSubviewToFront:scrollview]; [scrollview setBackgroundColor:[UIColor blackColor]]; scrollview.contentSize = CGSizeMake(768, 1024); UITextField *textField

问题 How can one create a iOS7 Icon in Images.xcassets with Xcode5? I've searched many places, but i did not find what the required Icon sizes were. My App is for iOS7+. Here is a screenshot: I've added some icons below in the AppIcon.appiconset folder in mac. Do I need to add in the xcode side bar? What are the required sizes for the AppIcon.appiconset folder? 回答1: This is very easy & in-fact it is self explanable. You need not even have to think about the name of the icons. The only thing that

问题 What I need I need to write some text to a PDF. The text itself can be any length, but I can only display 2 lines (by word wrapping) and should truncate the tail in the second line if the space isn't enough. What I've tried NSMutableParagraphStyle *text = [[NSMutableParagraphStyle defaultParagraphStyle] mutableCopy]; text.lineBreakMode = NSLineBreakByTruncatingTail; This way, the text goes only in the first line, and truncates at the end of the line. NSMutableParagraphStyle *text = [

问题 We switched our XCode project over to use the Asset Catalog during a redesign. We needed several large background images, which we included in the asset catalog. The images were originally JPEGs that we renamed to PNGs to save space. The size of the images on disk is 19.1MB, but when we archive the app the Assets.car file that is generated is 6 times larger than that. I have tried using PNGs and compressing them, but the size is still huge. I'm not sure what else I can do. 回答1: It turns out

问题 The iPad iOS 7 App Store has a pretty cool animation for when you click on an app icon (from the featured list when the icon is smaller, not a search result). Here is a picture of it in action: Basically, the icon flips and expands in size at the same time. There is a gradient behind it and the content view is smaller. So far, I have a custom VC transition setup and I have the enlargement part working okay, but I can't get the flip to jive. How can I mimic the App store animation? Here is the