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By Design
Votes
0
Found in
2017.4
2018.4
2018.4.12f1
2019.2
2019.3
2020.1
Issue ID
1194916
Regression
No
[iOS] External keyboard input returns "true" for 0.5 seconds after releasing input key
Steps to reproduce:
1. Open user's project "iOSKeyboard.zip"
2. Build for iOS and deploy the Xcode project to the iOS device
3. Connect any bluetooth/wired keyboard to iOS device
4. Press any key and observe device screen
Expected result: Input returns true only when key is being held.
Actual result: Input returns true for about 0.5 seconds after key release
Reproduced: 2017.4.34f1, 2018.4.12f1, 2019.2.11f1, 2019.3.0b9, 2020.1.0a11
Devices reproduced on:
iPhone XR iOS 12.0
iPhone 8 Plus iOS 12.0
iPhone XR iOS 13.0
Devices not reproduced in:
VLNQA00170, Google Pixel 2 (Pixel 2), Android 10, CPU: Snapdragon 835 MSM8998, GPU: Adreno (TM) 540
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Resolution Note:
This is by design. Currently it is not possible on iOS/tvOS to detect key up events from external (e.g. Bluetooth) keyboards. We made a feature request for Apple developers. If this feature will be implemented we will update our implementation in the future but at the moment current workaround (although has limited accuracy) is the only possible approach.