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By Design
Votes
0
Found in
2019.4.7f1
2019.4.8f1
2020.3
2021.1
2021.2
Issue ID
1324633
Regression
Yes
[Mobile] TouchPhase.Canceled does not occur when application is minimised
Reproduction steps:
1. Open the project in "TouchCanceledTest_2019.4.zip"
2. Build "scene" Scene for iOS and deploy the application
3. Hold one finger on the Screen and while holding - press the Home button (or swipe the finger from the bottom while holding) to minimize the application (Check notes below)
4. Release the finger and maximize the application
Expected result: In the application, the last debugged message will be "Cancelled" (Read notes below)
Actual result: In the application, there is no "Cancelled" message
Reproducible with: 2019.4.8f1, 2019.4.23f1, 2020.3.2f1, 2021.1.0f1, 2021.2.0a10
Not reproducible with: 2019.4.7f1
Could not test with: 2018.4.33f1 because build fails due to compile errors
Devices tested:
Reproducible with:
VLNQA00310 iPad Pro 12.9 1st gen (iOS 13.4.1)
iPhone 12 (iOS 14.1)
N/A, Samsung Galaxy S9 (SM-G960F), Android 8.0.0, CPU: Exynos 9 Series 9810, GPU: Mali-G72
VLNQA00318, Oneplus 7Pro (GM1913), Android 10, CPU: Snapdragon 855 SM8150, GPU: Adreno (TM) 640
VLNQA00231, Huawei HUAWEI Mate 20 Pro (LYA-L29), Android 9, CPU: HiSilicon Kirin 980, GPU: Mali-G76
VLNQA00339, Lge LG V50 ThinQ 5G (LM-V500N), Android 10, CPU: Snapdragon 855 SM8150, GPU: Adreno (TM) 640
VLNQA00316, Samsung Galaxy Note10 (SM-N970F), Android 9, CPU: Exynos 9 Series 9825, GPU: Mali-G76
Notes:
1. If using a device without a home button and using a finger to minimize, Began, and 2 "Cancelled" messages are printed before regression. After the regression "Began" is printed instead.
2. If using a device with a home button and using a finger to minimize, the behaviour is the same before and after the regression, "Cancelled" is printed 2 times
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Resolution Note (2021.2.X):
We currently reset the touches on all platforms when an app restores from background, so therefore there is no touches present to report as cancelled.