TextMeshPro text not correctly displayed on Android

[piener87]

Hi everyone,
I am having a problem with displaying textmeshpro in android.
In more detail, my Hololens application does the following steps:

• set a textual value on a TextMeshPro Game Object (inactive)
• activate the Game Object

The text of the TextMeshPro GO is not displayed well, with unreadable characters.
The strange thing is that, if after the GO is deactivated and then subsequently activated, the characters are displayed correctly.
I am experiencing this in my Android app, while if I try from the unity editor I don't run into this problem.

[chrisfromwork]

This sounds like there may be problem with text mesh pro not correctly updating its content after new properties are set. If you debug the issue, do you see any changes after the first call to TextMeshObserver.ForceMeshUpdate:

MixedReality-SpectatorView/src/SpectatorView.Unity/Assets/SpectatorView/Scripts/StateSynchronization/NetworkedComponents/TextMeshPro/TextMeshProObserverBase.cs

Line 120 in 7796da6

TextMeshObserver.ForceMeshUpdate();

My best guess is that Android has some sort of unique behavior here compared to the editor. A quick test would be to see whether TextMeshObserver.ForceMeshUpdate called every Update fixes the issue. This issue will take more investigation on our end but may take a while to resolve.