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Android build
Which Android build are you using? (e.g. OPP1.170223.012)
Device used
Which device did you use to reproduce this issue?
Steps to reproduce
What steps are needed to reproduce this issue?
Please provide sample project or apk to reproduce the issue. Also mention the steps to be followed for reproducing the issue with the given sample project or apk.
Android bug report capturing
After reproducing the issue, press the volume up, volume down, and power button simultaneously. This will capture a bug report on your device in the “bug reports” directory. Attach the bug report file to this issue.
Alternate method
After reproducing the issue, navigate to “developer settings”, ensure “USB debugging” is enabled, then enable “Bug report shortcut”. Capture bug report by holding the power button and selecting the “Take bug report” option.
Screen capture of the issue
Press the volume down and power buttons simultaneously. The image will appear in your gallery. Attach the screenshot file to this issue.
NOTE : To avoid leaking private information, please share screenshots and bugreports only in Google Drive. Share files with android-bugreport@google.com and include only Google drive links in your bug. Bug report attachments should not be included directly in issue reports.
Description
Version used: 1.1.0-alpha02
Theme used: Theme.AppCompat.Light.DarkActionBar
Devices/Android versions reproduced on: Samsung Galaxy Note8 (Android 8.0.0)
When scrolling through the items of a spinner (slowly), it keeps automatically jumping back to the previously selected item. This makes scrolling (almost) impossible. See attached screen recording and sample project.
This is a new issue since appcompat 1.1.0-alpha02. The previous alpha01 has no issues. It looks like this is the commit which broke the spinner:
Before this commit, because mPopupContext would be null, the framework implementation of SpinnerPopup was used which does not have this issue. This commit changed some stuff, so now the AppCompat implementation of SpinnerPopup is always used. However, it looks like this has some scrolling bugs on Android Oreo. So it could be that this issue was already there in the AppCompat implementation of SpinnerPopup previously.
- Relevant code to trigger the issue: See attached sample project.
- A screenrecord or screenshots showing the issue (if UI related): See attached screenrecord.