commit 6fb7767e171e9797a08d67fb839b66a59be43773
author George Mount <mount@google.com> Tue May 02 10:37:43 2017 -0700
committer George Mount <mount@google.com> Tue May 02 11:10:45 2017 -0700
tree d17ce63a8299a999d348f53b84ccf075882b61fe
parent 080e16575a5a97aa94498f6dd544d6cbd66faed8

Remove duplicated onBackStackChanged() call.

Bug 37433435

We were reporting onBackStackChanged() twice, once when the
operations are collected and once when the operations are
executed. This CL only reports the onBackStackChanged() after
the operations are executed.

Test: Ife6a3eb12124a5409ca6a1bbc9332c056fe4f30a
Change-Id: I699c314c40331f4859ea7ff725c5835e07036f18

core/java/android/app/FragmentManager.java

diff --git a/core/java/android/app/FragmentManager.java b/core/java/android/app/FragmentManager.java
index 63c0ef3..1b2543c 100644
--- a/core/java/android/app/FragmentManager.java
+++ b/core/java/android/app/FragmentManager.java
@@ -2497,7 +2497,6 @@
             mBackStack = new ArrayList<BackStackRecord>();
         }
         mBackStack.add(state);
-        reportBackStackChanged();
     }
 
     boolean popBackStackState(ArrayList<BackStackRecord> records, ArrayList<Boolean> isRecordPop,