IssueTracker

Trying to reproduce this on my 4.2.2 (v17) Nexus 4. Added this drawable:

<transition xmlns:android="http://schemas.android.com/apk/res/android" >
    <item android:drawable="@drawable/test_drawable_blue"/>
    <item android:drawable="@drawable/test_drawable_green"/>
</transition>

where blue/green drawables look like this:

<shape
    xmlns:android="http://schemas.android.com/apk/res/android"
    android:shape="rectangle">
    <size
        android:width="@dimen/drawable_large_size"
        android:height="@dimen/drawable_small_size" />
    <solid
        android:color="@color/test_blue" />
</shape>

Then added this test:

    @Test
    public void testMutateTransitionDrawable() {
        Drawable drawable = ResourcesCompat.getDrawable(mResources,
                R.drawable.test_transition_drawable, null);
        assertTrue(drawable instanceof TransitionDrawable);

        Drawable mutated = drawable.mutate();
        assertTrue(drawable instanceof TransitionDrawable);
        assertTrue(mutated instanceof TransitionDrawable);
    }

It passes on the device. Going to also try on other earlier devices a bit later in the day once they are charged.

Also not reproducible on Galaxy Nexus running 4.0.1 (v14), 4.0.4 (v15) and 4.2.2 (v17)

https://android-review.googlesource.com/c/platform/frameworks/support/+/960032 with the test. Closing as not reproducible. If this is still happening for you, we'd need to see either a test (same as in this CL) or a small, standalone sample project that reproduces this issue on v17 (or other) devices.

Sorry, fix above cuased regression. b/146467882

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

commit 4295f15a153c583a48aca2c0802c1a2c10232d60
Author: Jaewan Kim <jaewan@google.com>
Date:   Tue Jan 07 14:16:22 2020

    Don't notify session info via callbacks when the connection is made
   
    This fixes the regression caused by my previous commit below
    05c46e7d27 Fix MediaController crash with fwk MediaSession
   
    Test had failed because onPlaybackStateChanged(),
    onShuffleModeChanged(), onRepeatModeChanged(), and
    onCaptioningEnabledChanged() are called to notify the session's
    information when the connection is established.
   
    Bug: 146467882, Bug: 142925848
    Test: run version compat test
    Change-Id: Iedb1aa52c96ee2c2f6a7c7a6f225155cecde6baa

M       media2/session/src/main/java/androidx/media2/session/MediaControllerImplLegacy.java

https://android-review.googlesource.com/1195030

  The following changes were cherrypicked through Coastguard (https://android-build.googleplex.com/coastguard/)
  Release Track: (https://android-build.googleplex.com/coastguard/dashboard/6596470185525248/#/history/all)
  Created: 2020-01-22 03:24:09.131281+00:00
  Changes: aosp/1213554, aosp/1213551
 

Will this make it to the next release?

Yes, the issue will be fixed in media2-session 1.0.2.