Make navController property lazy in NavHostFragment [220186282]

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Description

jb...@google.com

created issue #1

Feb 17, 2022 10:09PM

Once Fragments are driven by Lifecycle (https://issuetracker.google.com/127528777), the NavController will not yet be available an Activity's onCreate() function.

We should make the navController property in NavHostFragment lazy and make sure it is unconditionally created it in the NavHostFragment’s onCreate() or created early when called.

Comments

ap...@google.com <ap...@google.com> #2Mar 15, 2023 11:49PM

Yigit, do you have time to fix it?

reemission of the same liveData is racy

jb...@google.com <jb...@google.com> #3Mar 16, 2023 10:42PM

Marked as fixed.

yea i'll take it.

pr...@google.com <pr...@google.com> #4Mar 22, 2023 08:22PM

Thanks for the detailed analysis. This may not be an issue anymore since we've started using Main.immediate there but I' not sure; I'll try to create a test case.

Issue 220186282

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ap...@google.com <ap...@google.com> #2Mar 15, 2023 11:49PM

jb...@google.com <jb...@google.com> #3Mar 16, 2023 10:42PM

pr...@google.com <pr...@google.com> #4Mar 22, 2023 08:22PM

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