Android View layout disorder rendering flicker when exit the unity screen

[Cheong43]

A P4 level bug causing PlatformView on the UnityWidget layout and rendering problems

Full detail plz look up flutter/flutter#103630

The main reason issue: flutter/engine#33599

Current Solution:
The latest master channel flutter(3.1.0 pre) already merge the improved PR, which improved a lot but bug still here:(
I am testing the result of later version of Android SDK level(24+)

But also considering downgrade to flutter 2.10.5, I would try my best to avoid though

PS: this bug does not exist in iOS.

[Cheong43]

screen-20220708-222309.2.mp4

[timbotimbo]

I don't know this project, but I found this issue by looking at issues related to flutter_unity_widget.

The flicker is actually the page transition failing to render properly.
If you add a custom transition for this page where the duration is 0, you won't get the flicker.

It won't happen in flutter 2.10.5 because the plugin uses a different type of platformview by default in Flutter < 3.0
This was disabled for Flutter 3.0 because of the issues you linked.

So far this seems to be fixed in Flutter 3.3.0-0.0.pre when you enable the old behaviour in the plugin.

[Cheong43]

I don't know this project, but I found this issue by looking at issues related to flutter_unity_widget.

The flicker is actually the page transition failing to render properly. If you add a custom transition for this page where the duration is 0, you won't get the flicker.

It won't happen in flutter 2.10.5 because the plugin uses a different type of platformview by default in Flutter < 3.0 This was disabled for Flutter 3.0 because of the issues you linked.

So far this seems to be fixed in Flutter 3.3.0-0.0.pre when you enable the old behaviour in the plugin.

Thanks for your great comment! Agree with adding transition will help -- I would try to help test out more conditions in the issue you open.