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The screen flickers and goes black when selecting code. #2865
Description
Activity
- moved this from Backlog to In progress in The Code Board - Acode
on Sep 10, 2026 Try updating your webview
Hi @bajrangCoder,
I've already updated WebView and Acode, but the issue still persists.
Current device info:
WebView: 154.0.8037.22
Acode: 1.13.4
So it doesn't seem related to an outdated WebView.Hi @bajrangCoder, I've already updated WebView and Acode, but the issue still persists. Current device info: WebView: 154.0.8037.22 Acode: 1.13.4 So it doesn't seem related to an outdated WebView.
But I tried reproducing the issue on same webview version but i can't.
If you can test then test this development build: #2864 (comment) (make sure to back up things)
@bajrangCoder
Thanks, here are my further tests:- I installed the development version you provided — the issue still occurs.
- Cleared the app cache — no change.
- On a clean secondary user profile on the same device → the flicker/black screen does NOT happen.
- I backed up settings from the affected profile and restored them on the clean profile → the issue still does NOT reproduce.
It seems related to app local data.
@bajrangCoder I figured it out!!
The culprit turned out to be the terminal data—after I reinstalled Acode and restored the original
aterm_backup.tar, the issue was perfectly reproduced.I can now reproduce this issue 100% of the time.
@bajrangCoder I figured it out!!
The culprit turned out to be the terminal data—after I reinstalled Acode and restored the original
aterm_backup.tar, the issue was perfectly reproduced.I can now reproduce this issue 100% of the time.
If you can then share that backup
@bajrangCoder
There is no need to look at that backup anymore.I reproduced the issue using a completely empty (0-byte) tar archive—so the problem stems from the restoration process itself!
See the video below:
VID_20260921_203405_1.mp4
what did i do in the video:
- uninstall and reinstall acode
- create an empty file as tar
- show no issue occured in clean acode
- restore then reatart acode
- the issue reproduced
Correct: even if i did nothing, this issue always occurs the second time i start acode. so completely not related to the terminal
However, like I said before, when I just performed these actions on the secondary user profile on the same device, it was surprisingly fine.
I completely don't understand. The former reproduces 100%, while the latter remains perfectly fine.
@bajrangCoder
I find the truth.The webview
variations_seedon my device triggers this issue.It is automatically copied by android system into the
app_webviewdirectory of acode when launched for the first time, and it always takes effect on the second launch. Some of the Chrome Finch experiments interfered with acode.After I moved this file out of that directory, the issue no longer occurred; then, when I put it back (keep the original owner & rwx permissions), the issue was perfectly reproduced.
the seed: variations_seed.tar.gz
since it likely has nothing to do with acode itself, i think this issue can be closed now?
- moved this from In progress to Done in The Code Board - Acode
on Sep 22, 2026 since it likely has nothing to do with acode itself, i think this issue can be closed now?
Thank you for debugging, most users don't even respond after submitting issues
Reacted by Sharan Rai
Check for existing issues
Describe the bug / provide steps to reproduce it
See the video. This issue occurs when the cursor crosses lines while selecting code; it happens almost always and has persisted for several versions.
Record_2026-09-08-16-05-50_a2cf8efcdd42a8e6f7906303f104fb67.mp4
Environment
Device Information:
WebView Info:
Package Name: com.google.android.webview
Version: 154.0.8037.0
App Info:
Name: Acode
Package Name: com.foxdebug.acode
Version: 1.13.3
Version Code: 1009
Device Info:
Android Version: 16
Manufacturer: OPPO
Model: PJW110
Platform: Android
Cordova Version: 15.1.0
Screen Info:
Width: 360
Height: 804
Color Depth: 24
Additional Info:
Language: zh-TW
User Agent: Mozilla/5.0 (Linux; Android 16; PJW110 Build/BP2A.250605.015; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/154.0.8037.0 Mobile Safari/537.36
If applicable, add mockups / screenshots regarding your vision
No response
If applicable, attach your Acode.log file to this issue.
Acode.log