Observing navController.currentBackStackEntryAsState()?.destination in NavGraph leads to crash in Navigation Alpha 08. [198741720]

Fixed

Bug

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Description

an...@gmail.com

created issue #1

Sep 3, 2021 09:35PM

Component used: Navigation Version used: Alpha08 Devices/Android versions reproduced on: Android Version 30, Samsung Galaxy S20 Plus

Steps to reproduce:

Run the code present in the Sample Repo
Uncomment the lines underneath the TODO in MainActivity in the NavGraph composable
The application will crash with the following error

You cannot access the NavBackStackEntry's ViewModels until it is added to the NavController's back stack (i.e., the Lifecycle of the NavBackStackEntry reaches the CREATED state)

Comments

jb...@google.com <jb...@google.com> Sep 8, 2021 12:45AM

Assigned to jb...@google.com.

ap...@google.com <ap...@google.com> #2Sep 8, 2021 10:57PM

A couple of questions:

1. Have you saw crash in real device or only in simulators?
2. Do you use dynamic feature for language ID?

jb...@google.com <jb...@google.com> #3Sep 9, 2021 12:00AM

Marked as fixed.

Tested on Android 12 Emulator with custom executor, but cannot repro this issue.

Issue 198741720

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Comments

jb...@google.com <jb...@google.com> Sep 8, 2021 12:45AM

ap...@google.com <ap...@google.com> #2Sep 8, 2021 10:57PM

jb...@google.com <jb...@google.com> #3Sep 9, 2021 12:00AM

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