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Fixed in 2022.1.X

Fixed in 2019.4.X, 2020.3.X, 2021.1.X, 2021.2.X

Votes

0

Found in

2019.4

2019.4.19f1

2020.3

2021.1

2021.2

Issue ID

1335140

Regression

No

[Android] [InputSystem] Callback is not called for multiple touches after tapping the screen rapidly for about 2 seconds

Mobile

-

Steps to reproduce:
1. Open the attached project "1335140TestInput.zip"
2. Build and run the "SampleScene" Scene
3. Rapidly click the screen using multiple fingers for 2-3 seconds
4. Touch the screen with one finger, then without releasing it with another, and so on until you reach 6 fingers all touching the screen at the same time

Expected results: cube on the screen turns green and goes back to white after each touch
Actual result: cube on the screen turns green and goes back to white after the first touch but not after any sequential touches

Reproducible with: 2019.4.27f1 (1.0.0-preview, 1.0.2), 2020.3.3f1 (1.0.2), 2021.1.8f1 (1.0.2), 2021.2.0a18 (1.0.2, 1.1.0-preview.3)
Could not test with: 2018.4.35f1 - project throws errors when trying to downgrade to Input System 0.9.6-preview or older

Reproducible on:
VLNQA00317, Vivo V1924A (V1924A), Android 9, CPU: Snapdragon 855 SM8150, GPU: Adreno (TM) 640
HTC U11 (Android 9) - according to the user
Xiaomi Redmi Note 9 Pro (Android 10) - according to the user
Samsung Galaxy S8 (Android 9) - according to the user

Does not reproduce on:
iPhone 12 (iOS 14.1)
iPad Pro 12.9 1st gen (iOS 13.4.1)
VLNQA00277, Asus ROG Phone, Android: 8.1.0, CPU: Snapdragon 845 SDM845, GPU: Adreno (TM) 630
VLNQA00006, Samsung Galaxy S7, Android: 8.0.0, CPU: Exynos 8 Octa 8890, GPU: Mali-T880
VLNQA00121, Samsung Galaxy S9, Android: 9, CPU: Exynos 9 Series 9810, GPU: Mali-G72
VLNQA00313, Huawei Y6 Ⅱ Compact (HUAWEI LYO-L01), Android 5.1, CPU: MediaTek MT6735, GPU: Mali-T720
VLNQA00294, Oppo Reno Z 中国版 (PCDM10), Android 9, CPU: Mediatek MT6779 Helio P90, GPU: PowerVR Rogue GM9446
VLNQA00286, Meizu - (PRO 5), Android 7.0, CPU: Exynos 7 Octa 7420, GPU: Mali-T760
VLNQA00335, Samsung Galaxy S20 5G (SM-G986B), Android 10, CPU: Exynos 990, GPU: Mali-G77
----------, Huawei - (ELS-NX9), Android 10, CPU: NOT FOUND, GPU: Mali-G76
VLNQA00264, Samsung Galaxy S10+ (SM-G975F), Android 10, CPU: NOT FOUND, GPU: Mali-G76
VLNQA00279, Samsung Galaxy S10+ (SM-G975U), Android 9, CPU: Snapdragon 855 SM8150, GPU: Adreno (TM) 640
VLNQA00288, Samsung Galaxy J7 (SM-J730F), Android 8.1.0, CPU: Exynos 7 Octa 7870, GPU: Mali-T830
VLNQA00022, Xiaomi Redmi Note 3 (Redmi Note 3), Android 6.0.1, CPU: Snapdragon 617 MSM8952, GPU: Adreno (TM) 510
N/A, Google Pixel 3 XL (Pixel 3 XL), Android 11, CPU: NOT FOUND, GPU: Adreno (TM) 630
N/A, Huawei - (NOH-NX9), Android 10, CPU: NOT FOUND, GPU: Mali-G78
VLNQA00001, Google Pixel 2 (Pixel 2), Android 11, CPU: Snapdragon 835 MSM8998, GPU: Adreno (TM) 540
VLNQA00316, Samsung Galaxy Note10 (SM-N970F), Android 9, CPU: Exynos 9 Series 9825, GPU: Mali-G76

Notes:
- It may be possible to reproduce the issue on more devices, however, reproduction is more complicated and possibly not as consistent
- Locking & unlocking the device or dragging the notification bar down makes the touch inputs functional again
- Does not reproduce on Windows Standalone (tested using Microsoft Surface Pro 4)

  1. Response avatar

    Resolution Note (fix version 2022.1):

    Fixed in version 2022.1.0a4

  2. Response avatar

    Resolution Note (fix version 2021.2):

    fixed in 2021.2.0b11

  3. Response avatar

    Resolution Note (fix version 2021.1):

    Fixed in version 2021.1.18f1

  4. Response avatar

    Resolution Note (fix version 2020.3):

    fixed in 2020.3.18f1

  5. Response avatar

    Resolution Note (fix version 2019.4):

    Fixed in version 2019.4.30f1

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