ios9

问题 I made an image editing app for iPhone , and it got rejected because the app is not able to run on ipad at iphone resolution . It failed in both 1x and 2x resolution . When I click choose photo , I present the camera picker to select a pic, but camera picker is not showing any images in the simulator .(I didnt test this in real device, I beleive apple will test this in real device) It works normally in iPhone , and also in iPad if I make the app Universal . But If I make the app compatible

问题 if ([[UIApplication sharedApplication] canOpenURL:[NSURL URLWithString:@"https://www.youtube.com/watch?v=VideoID"]]) { [[UIApplication sharedApplication] openURL:[NSURL URLWithString:@"https://www.youtube.com/watch?v=VideoID"]]; } Output : -canOpenURL: failed for URL: "youtube://www.youtube.com/watch?v=UFccvtrP1d8" - error: "This app is not allowed to query for scheme youtube" 回答1: try this In iOS 9 you must whitelist any URL schemes your App wants to query in Info.plist under the

问题 I want to draw the two semi circles like this as shown in picture (the below one) I'm trying it but did not get anything. Tried some chart api and a few code to draw pie chart from stackoverflow but they need to edit and I don't know about Core Graphics. I am working on Xcode 7.3.1 and iOS 9. My Question is: How do I draw a semi-circle which take one value and first convert that value to get its equivalent angle and then draw an arc of this angle and fill color in that part? 回答1: The below

问题 When i try to run my app at iOS 9.1 simulator i have a crash Attempting to load the view of a view controller while it is deallocating is not allowed and may result in undefined behavior (<UIInputWindowController: 0x7ff82b036e00>) Crash happens in main function. Crash happens when i try to dismiss the keyboard with [self.username resignFirstResponder]; Also when you self.view.userInteractionEnabled = false; I've read View appear with modal view animation instead of show (push) animation with

问题 I have app designed for the iOS 8 using the ABAddressBook framework for the contact. In iOS 9 the Contacts framework is introduced in place of ABAddressBook . To check the effect of this change I checked in the iOS 9 device and everything is working fine. Is my understanding correct here? 回答1: Whenever an API/Framework is mentioned as Deprecated it indicates that sometime in future Apple will completely stop supporting the API's. This indicates the developers should move to the new API's soon

问题 I have been using the code below to show a UIActivityViewController which worked fine when I was using Xcode 6, Swift 1.2 and iOS 8. However when I updated it shows the UIActivityViewController but it is completely blank without any of the sharing options. Do you have any suggestions? if UIDevice.currentDevice().userInterfaceIdiom == .Pad { let textToShare = textViewOne.text let objectsToShare = [textToShare] let activityVC = UIActivityViewController(activityItems: objectsToShare,

问题 I have been using the code below to show a UIActivityViewController which worked fine when I was using Xcode 6, Swift 1.2 and iOS 8. However when I updated it shows the UIActivityViewController but it is completely blank without any of the sharing options. Do you have any suggestions? if UIDevice.currentDevice().userInterfaceIdiom == .Pad { let textToShare = textViewOne.text let objectsToShare = [textToShare] let activityVC = UIActivityViewController(activityItems: objectsToShare,

问题 I have tableview... 1 table showing a new modal window and when I press the button I want to dismiss the modal window and push to VC. My code only hide the modal view but no push is made. @IBAction func registrationBtn(sender: AnyObject) { let openNewVC = self.storyboard?.instantiateViewControllerWithIdentifier("registrationVcID") as! RegistrationVC self.dismissViewControllerAnimated(false, completion: { () -> Void in self.navigationController?.pushViewController(openNewVC, animated: true) })

问题 I upgraded the XCode to 7.0 and ran into compilation issues. XCode asked me to convert my test target to use XCTest and I followed the wizard screen. I'm unable to find any test targets and cannot finish converting. Does any one know how to fix this ? Thanks. 回答1: Make sure you have selected the scheme of your test target (in the top-left scheme selector), then select Edit -> Convert -> To XCTest... This will make Xcode recognize the appropriate target. 来源： https://stackoverflow.com/questions

问题 I have a video camera app and I would like it to allow users to capture content while on the phone. I can do this by disconnecting the audio capture when the phone call is received and the session is interrupted, but because the session is no longer interrupted, I now have no way of knowing when the phone call ends and it is ok to reconnect the audio device. If I use this callbacks for AVCaptureSessionWasInterruptedNotification and AVCaptureSessionInterruptionEndedNotification : - (void