ios11

问题 In my tableView cell, I have a textView whose string i'm getting via JSON and updating the cell height dynamically like this func tableView(_ tableView: UITableView, heightForRowAt indexPath: IndexPath) -> CGFloat { if indexPath.section == 0 { return 255 } return UITableViewAutomaticDimension } Here's a screenshot Now initially i want text view to show a little text and upon clicking see more button it should expand and upon expansion the button text should change to see less also if the

问题 This is the code I used to hide the separator for a single UITableViewCell prior to iOS 11: - (void)tableView:(UITableView *)tableView willDisplayCell:(UITableViewCell *)cell forRowAtIndexPath:(NSIndexPath *)indexPath { if (indexPath.row == 0) { // Remove separator inset if ([cell respondsToSelector:@selector(setSeparatorInset:)]) { [cell setSeparatorInset:UIEdgeInsetsMake(0, tableView.frame.size.width, 0, 0)]; } // Prevent the cell from inheriting the Table View's margin settings if ([cell

问题 I'm trying to access intrinsic matrix following this answer. By running the commend below, I was able to get a 48-byte AnyObject, and I further convert it into a CFData. let camData = CMGetAttachment(sampleBuffer, kCMSampleBufferAttachmentKey_CameraIntrinsicMatrix, nil) However, I checked the output of sampleBuffer in CMSampleBuffer.h : /*! @constant kCMSampleBufferAttachmentKey_CameraIntrinsicMatrix @abstract Indicates the 3x3 camera intrinsic matrix applied to the current sample buffer.

问题 I just prepared an app which is compatible with iOS 11. When I export through Xcode 9 GM I'm not getting any issue. same thing I'm exporting through Xcode 8.3.3 getting alignment issue on one page. Can we upload an application through Xcode 9 GM or shall we need to wait until an official update for Xcode 9 in Mac Appstore? Thanks in advance. 回答1: Yes developer can upload binary through GM(Golden Master) Xcode build actually this is a pre release of final Xcode build it can be used to build &

问题 In my application I do have two viewControllers: VideoListViewController - portrait only VideoPlayerViewController - landscape only VideoListViewController opens VideoPlayerViewController via self.present(viewController...) I'm blocking orientations via: override var supportedInterfaceOrientations: UIInterfaceOrientationMask { return .portrait } My problem is that portrait only view receives the landspace safe area... On my VideoListViewController.layoutSubviews I printed self

问题 At WWDC Apple presented the AutoFill feature for iOS Apps in a presentation. It is fairly simple to set up and works really well. If the user entered a password in safari and saved it. However, if the user never used Safari, but only the app, currently the user still has to type out the password every time. I am already storing the password in the keychain. Unfortunately this does not put the password in the settings below " Accounts & Passwords > App & Website Passwords ". Is there any way,

问题 I encountered a problem with the scrolling when using the prefersLargeTitles and added UITableView . If I set the prefersLargeTitles within a navigation controller and its root is a UITableViewController everything is fine, scrolling of the navigation large title works the same way we can see in the system apps (in iOS 11+) . The problem However, if I use a UIViewController and add a UITableView in it, scroll seems to act differently. Navigation bar is moving more/faster than I actually

问题 I want to read information of an accessory, typed HMAccessory , such as Serial number ( HMCharacteristicTypeSerialNumber ), manufacturer ( HMCharacteristicTypeManufacturer ), model ( HMCharacteristicTypeModel ) but they all are deprecated in iOS11, according to this Apple doc here. I know I can instead use the characteristicType string directly, like below: HMCharacteristicTypeSerialNumber -> 00000030-0000-1000-8000-0026BB765291 HMCharacteristicTypeManufacturer -> 00000020-0000-1000-8000

问题 I am using AppAuth 0.90.0 for authentication using an external authentication server where a user can log in so the app receives appropriate authentication tokens. Since recently (after upgrade to swift 4) I get the following alert before I get sent to the authentication server: "App Name" Wants to Use "externalAuthentication.com" to Sign in" This allows the app and website to share information about you. Has someone experienced the same issue and/or has a solution so the user does not need

问题 I was working on QR code scanner app on iOS where i was getting output AVCaptureOutput on the delegate method captureOutput:didOutputMetadataObjects:fromConnection: . It was working perfectly on swift 3. After I've updated to xcode 9 and swift 4, it stopped working. 回答1: Okay I've found an update here. Found that AVCaptureMetadataOutputObjectsDelegate method is changed from captureOutput(_ captureOutput: AVCaptureOutput!, didOutputMetadataObjects metadataObjects: [Any]!, from connection: