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bug repeat: Ionic 4.10.0, page will flash when navigate back sometimes. #19491

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netsesame2 opened this issue Sep 28, 2019 · 5 comments

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@netsesame2
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commented Sep 28, 2019

Bug Report
Ionic version:

[x] 4.10.0

I'v even post a bug to report the same isssue in ios: #19170 (comment), which is resolved in a dev patch.

Current behavior:
However, when update to latest 4.10.0, the same issue raised again. This time is in android.
Sometimes, page will flash when navigate back, not always.

I test it in android device and emulator, android 8 and 9.

Degrade @ionic/angular to 4.9.0-dev.201908231742.f2cfdf14.7.4, it will disappear.

Expected behavior:

Steps to reproduce:

Use navigation to push a page, then close it use back-button. sometimes a flash will appear.

Related code:
Use <ion-back-button></ion-back-button> to navigate back.
Other information:

I take a video to watch what happens. when slow down the video frame, I can see that when click back-button, the current page transit to dismiss, then suddenly appear half a second, then dismiss again, so in normal speed, we can see a flash.
Ionic info:

Ionic CLI : 5.4.1
Ionic Framework : @ionic/angular 4.10.0
@angular-devkit/build-angular : 0.803.5
@angular-devkit/schematics : 8.3.5
@angular/cli : 8.3.5
@ionic/angular-toolkit : 2.0.0

@ionitron-bot ionitron-bot bot added the triage label Sep 28, 2019
@liamdebeasi

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commented Sep 30, 2019

Thanks for the issue. Can you provide more details on how to reproduce this? I am using ion-back-button to navigate back from a page on an Android device, but I am unable to reproduce this issue.

@liamdebeasi

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commented Oct 4, 2019

Never mind, I was able to reproduce using a different device. I will investigate this and post more info here when I have it. Thanks!

@ionitron-bot ionitron-bot bot added triage and removed needs: reply labels Oct 4, 2019
@liamdebeasi liamdebeasi added this to Backlog 🤖 in Ionic Core via automation Oct 4, 2019
@liamdebeasi liamdebeasi moved this from Backlog 🤖 to In progress 🤺 in Ionic Core Oct 4, 2019
@liamdebeasi

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commented Oct 4, 2019

Can you try this dev build and let me know if this fixes the issue for you? npm i @ionic/angular@4.11.0-dev.201910041827.7768ab2

@netsesame2

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commented Oct 5, 2019

Thanks, it is resovled in the latest patch.

Ionic Core automation moved this from In progress 🤺 to Done 🎉 Oct 7, 2019
@liamdebeasi

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commented Oct 7, 2019

Thanks! This issue has been fixed and will be available in the next release of Ionic.

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