ipad

How do you detect key up / key down events from a hardware keyboard on iOS?

╄→гoц情女王★ 提交于 2020-07-18 09:40:49
问题 While there are many methods posted on SO regarding hacking keyboards to work, for example, How can I support the up and down arrow keys with a Bluetooth keyboard under iOS 7, or Receive iPhone keyboard events, none of them are documented. Is it possible to detect a keyUp: / keyDown: input event from a hardware keyboard (e.g. bluetooth) in iOS using public APIs? 回答1: As of iOS 13.4, this is now possible due to the introduction of UIKey, which is included on pressesBegan events now when a

Latex port to the iPad [closed]

谁说胖子不能爱 提交于 2020-07-09 07:48:49
问题 Closed. This question is off-topic. It is not currently accepting answers. Want to improve this question? Update the question so it's on-topic for Stack Overflow. Closed 8 years ago . Improve this question How hard could It be to have the Tex engine and consequently latex compiling documents on an iPad? Is that a fool idea? Is there something already done? I saw a Latex app on the app store that claims to be able to typeset documents through a link to a home always on dropbox server. This is

Can I create iphone app (IOS) using web's languages ( HTML - CSS - jQuery )?

本秂侑毒 提交于 2020-07-05 03:24:31
问题 Can I create iphone app (IOS) using web's languages ( HTML - CSS - jQuery ) ? How can I star that ? 回答1: There are a number of different approaches you can take. First, there's creating iPhone WebApps. This approach give you a number of different Mobile Safari APIs that expose internal capabilities through the Safari Browser. Second, you can create a native application that contains a UIWebView. Other than this detail, the approach would be the same as the first, exclusively using the APIs

UISplitViewController displayModeButtonItem in iPAD

╄→尐↘猪︶ㄣ 提交于 2020-06-15 18:29:49
问题 I have trouble with the UISplitView on iPad. I create normal application using UISplitView and in DetailViewController I add override func viewDidLoad() { super.viewDidLoad() navigationItem.leftBarButtonItem = splitViewController?.displayModeButtonItem navigationItem.leftItemsSupplementBackButton = true } in iPhone it work fine But in iPad it doesn't show button for stretching the detail view controller. I know it can be done, because Apple has it in Note application. How to accomplish this

Stop UIKeyCommand repeated actions

我怕爱的太早我们不能终老 提交于 2020-06-12 04:11:20
问题 If a key command is registered, it's action might be called many times if the user holds down the key too long. This can create very weird effects, like ⌘N could repeatedly open a new view many times. Is there any easy way to stop this behavior without resorting to something like a boolean "already triggered" flag? Here's how I register two different key commands: #pragma mark - KeyCommands - (BOOL)canBecomeFirstResponder { return YES; } - (NSArray<UIKeyCommand *>*)keyCommands { return @[

Enable SplitView and MultiTask iPad hybrid app. Drop interaction

∥☆過路亽.° 提交于 2020-06-09 07:07:51
问题 We have on ionic iPad app, using cordova / capacitor platform. We enabled the split view for iPad 13 using following link https://en.gg/enable-ipad-split-screen-feature-in-an-ionic-or-cordova-app/ its working fine. We are checking to give support for drag and drop feature like https://support.apple.com/library/content/dam/edam/applecare/images/en_US/iOS/ios13-ipad-pro-multitasking-drag-drop-animation.gif We just want to receiver end alone, here our question how we achieve this in cordova /

SwiftUI iPad app shows black screen on enabling multiple window support

只谈情不闲聊 提交于 2020-05-31 06:36:11
问题 Using SwiftUI on macOS Catalina, when enabling "Support multiple windows", my iPad app shows a black screen on launch in the simulator I'm using the stock SwiftUI project, with the only change being clicking the "Support multiple windows" checkbox This is from my SceneDelegate, which I believe is the proper way to set up a window in SwiftUI var window: UIWindow? func scene(_ scene: UIScene, willConnectTo session: UISceneSession, options connectionOptions: UIScene.ConnectionOptions) { let

iOS app working on simulator but not over TestFlight

笑着哭i 提交于 2020-05-28 06:43:45
问题 i've got a problem with TestFlight. My app works fine in iOS simulator (8.1 & 9.1) and on my iPad (9.0.2) when connected over USB cable. Now i want to share my app over TestFlight with some friends. After download and install via TestFlight the same app don't work on the same iPad it worked fine before. When i start the TestFlight version it takes some seconds then the screen turns black and after a few more seconds i get back to the home screen. After connecting the iPad again there are no

How to display a red status bar when the home button is pressed?

Deadly 提交于 2020-05-27 01:54:18
问题 How do I display a red status bar when the home button is pressed while my recoding app is doing some recording? I checked this question: How to hide the red bar under the iOS's status when recording? However, I use Core Audio and Extended Audio File Services to do recording. I am unable to find any proper documentation to programatically do this. Any help or pointers will be appreciated. 回答1: I believe from saying a red status bar when the home button is pressed you are asking whether you