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Project: platform/frameworks/support
Branch: androidx-master-dev

commit 05f347890c62aaf1f585b9adbbeb75832d3c8b2c
Author: Daniel Santiago Rivera <danysantiago@google.com>
Date:   Mon Aug 27 17:05:17 2018

    Make Nav Direction classes extend top level Direction classes.
   
    Directions classes who's destination is contained in a nav graph with
    top level actions will now extend the nav graph's direction class
    enabling global actions to be available to lower layers of the graph.
   
    Bug: 79871405
    Test: ./gradlew :navigation:navigation-safe-args-generator:test
    Change-Id: Id59d8547dacb33c0d75ddd282754d87b499c2b9b

M       navigation/safe-args-generator/src/main/kotlin/androidx/navigation/safe/args/generator/GeneratorOutput.kt
M       navigation/safe-args-generator/src/main/kotlin/androidx/navigation/safe/args/generator/NavSafeArgsGenerator.kt
M       navigation/safe-args-generator/src/main/kotlin/androidx/navigation/safe/args/generator/NavWriter.kt
M       navigation/safe-args-generator/src/main/kotlin/androidx/navigation/safe/args/generator/ext/NavJavaPoet_ext.kt
M       navigation/safe-args-generator/src/tests/kotlin/androidx/navigation/safe/args/generator/NavGeneratorTest.kt
M       navigation/safe-args-generator/src/tests/kotlin/androidx/navigation/safe/args/generator/NavParserTest.kt
M       navigation/safe-args-generator/src/tests/kotlin/androidx/navigation/safe/args/generator/NavWriterTest.kt
A       navigation/safe-args-generator/src/tests/kotlin/androidx/navigation/safe/args/generator/TestUtils.kt
A       navigation/safe-args-generator/src/tests/test-data/expected/nav_generator_test/LoginDirections.java
A       navigation/safe-args-generator/src/tests/test-data/expected/nav_generator_test/LoginFragmentDirections.java
A       navigation/safe-args-generator/src/tests/test-data/expected/nav_generator_test/MainFragmentDirections.java
A       navigation/safe-args-generator/src/tests/test-data/expected/nav_generator_test/RegisterFragmentDirections.java
M       navigation/safe-args-generator/src/tests/test-data/expected/nav_writer_test/Finish.java
M       navigation/safe-args-generator/src/tests/test-data/expected/nav_writer_test/MainFragmentArgs.java
M       navigation/safe-args-generator/src/tests/test-data/expected/nav_writer_test/MainFragmentDirections.java
M       navigation/safe-args-generator/src/tests/test-data/expected/nav_writer_test/Next.java
M       navigation/safe-args-generator/src/tests/test-data/expected/nav_writer_test/SanitizedMainFragmentArgs.java
M       navigation/safe-args-generator/src/tests/test-data/expected/nav_writer_test/SanitizedMainFragmentDirections.java
A       navigation/safe-args-generator/src/tests/test-data/nested_login_test.xml
M       navigation/safe-args-gradle-plugin/src/main/kotlin/androidx/navigation/safeargs/gradle/ArgumentsGenerationTask.kt

https://android-review.googlesource.com/739287
https://goto.google.com/android-sha1/05f347890c62aaf1f585b9adbbeb75832d3c8b2c

Thank you for reporting this issue. We have shared this with our engineering team and will update this issue with more information as it becomes available.

I think I'm running into this issue again--but this time it's with deep-linking and synthesizing a fragment back stack. If I have postponeEnterTransition in the fragment I'm deep-linking to, I see the other (backstacked) fragments briefly show on screen.

In one project, I'm using the Navigation Component. The graph is just two fragments: A1 is the start destination with a deep-link to A2. I see A1 show momentarily if I use postponeEnterTransition in A2. And I see similar results in another project that does its own fragment transactions; in that case, I can use setReorderingAllowed(false) to prevent the issue.