Cwa-app-android: App does not open, only white screen

Created on 22 Oct 2020  路  4Comments  路  Source: corona-warn-app/cwa-app-android

Because I could not find a fitting issue, I open a new one.
It's my sister's smartphone: If she opens CWA, there occurs a white screen with the Corona-"C" for about 30 sec. Then it goes back to the Desktopscreen.

Huawei P8 Lite (ALE-L21)
Android 6.0
CWA 1.5
EMUI 4.0.3

Before she updated to 1.5 she had a 'normal' 9002-bug.
Does anybody have any ideas?
Thanks!

bug

Most helpful comment

Hi @Neuwessi11 ,

Do you remember https://github.com/corona-warn-app/cwa-app-android/issues/642#issuecomment-678680356 ?
Meanwhile a fix had been implemented in CWA 1.5 that either tried to recover the data or to reset the data automatically as a last resort if recovery is not possible.
Unfortunately that fix was not sufficient yet, but an additional fix will come soon with a hotfix release 1.5.1, see #1433 .
The white screen that you saw was the time when the retry mechanism tried to recover. After the hotfix 1.5.1 the problem should be solved.
Thanks for reporting and many greetings! Stay healthy!

All 4 comments

Hi @Neuwessi11 ,

Do you remember https://github.com/corona-warn-app/cwa-app-android/issues/642#issuecomment-678680356 ?
Meanwhile a fix had been implemented in CWA 1.5 that either tried to recover the data or to reset the data automatically as a last resort if recovery is not possible.
Unfortunately that fix was not sufficient yet, but an additional fix will come soon with a hotfix release 1.5.1, see #1433 .
The white screen that you saw was the time when the retry mechanism tried to recover. After the hotfix 1.5.1 the problem should be solved.
Thanks for reporting and many greetings! Stay healthy!

Hi vaubaehn,
ja, an #642 kann ich mich dunkel erinnern, aber ich w盲re nicht auf die Idee gekommen, dass der White Screen damit zusammenh盲ngt, da der ja keine Fehlermeldung gebracht hat.
Allerdings ist mir inzwischen #1053 眉ber den Weg gelaufen, was ja das gleiche Problem zu sein scheint. Es tut mir leid, dass ich das 眉bersehen habe, als ich dieses Issue kreiert habe.
Falls ich mit dieser Vermutung (mein Problem ist das gleiche wie #1053) richtig liege, kann dieser Thread nat眉rlich auch der 脺bersicht halber wieder geschlossen werden und ich h盲nge mich dann an den anderen mit ran.

Eine Frage h盲tte ich aber noch: Was k枚nnte bis zu 1.5.1 meiner Schwester helfen? Ich habe da komplett den 脺berblick verloren und wieder mal nur die H盲lfte verstanden.
Danke!

@Neuwessi11

Eine Frage h盲tte ich aber noch: Was k枚nnte bis zu 1.5.1 meiner Schwester helfen?

Versuch mal folgendes: https://github.com/corona-warn-app/cwa-app-android/issues/1053#issuecomment-690614975. Das sollte das Problem beheben 馃檪.

Hey @Neuwessi11, thanks for your feedback.

As @vaubaehn already mentioned, your issue will most likely be fixed with the next hotfix 1.5.1 which will be released soon. The related pull request is https://github.com/corona-warn-app/cwa-app-android/pull/1433.

In the mean time you could try the workaround mentioned by @daimpi

Best regards,
SG

Corona-Warn-App Open Source Team

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