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Won't Fix
Votes
0
Found in
2017.4.0f1
2018.2.14f1
2018.4.0f1
2019.2.0a1
2019.3.0a1
2020.1.0a1
Issue ID
1151197
Regression
No
Using a ScrollRect the movement is Jerky when you try and scroll with multiple fingers on a Mobile device
To reproduce:
1. Download attached project and open in Unity
2. Build for iOS
3. Deploy the Xcode project to the iOS device
4. Place your first finger on the screen and then scroll a bit to the right
5. With your first finger still on the screen (now still), place your second finger on the screen and then scroll with that finger
6. You should experience a jerking
Notes:
- This issue reproduces on iOS, Android (Mono and IL2CPP) and Microsoft Surface Pro 4
Tested with:
- iPhone 8 Plus, iOS: 12.0 - Reproduced
- iPhone X, iOS: 11.3.1 - Reproduced
- iPhone XR, iOS: 12.0 - Reproduced
- iPad Pro (12.9-inch) (3rd generation), iOS: 13.1.2 - Reproduced
- VLNQA00277, Asus ROG Phone (ASUS_Z01QD), Android 8.1.0, CPU: Snapdragon 845 SDM845, GPU: Adreno (TM) 630 - Reproduced
- VLNQA00166, Huawei P20 (EML-L29), Android 8.1.0, CPU: HiSilicon Kirin 970, GPU: Mali-G72 - Reproduced
Reproduced on Unity 2017.4.33f1, 2018.4.11f1, 2019.2.9f1, 2019.3.0b6 and 2020.1.0a8
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Resolution Note (2020.1.X):
Low priority defect and unlikely to be fixed for the near future