commit 4c17b4680b38e0a18034a6496e567a0e66eab386
author Aurimas Liutikas <aurimas@google.com> Fri Jan 13 17:07:45 2017 +0000
committer Android (Google) Code Review <android-gerrit@google.com> Fri Jan 13 17:07:45 2017 +0000
tree 886562907fd1e03a6e990bf5d3d5ca7a98c89eed
parent 1c7e1f738e202226b365c81715b221d2e864fdd5
parent 3146f0b1ced968f5ce494dc2efb4f61192b80a25

Merge "DO NOT MERGE. Fix builds when fullsdk is missing." into nyc-support-25.2-dev

fragment/java/android/support/v4/app/Fragment.java

diff --git a/fragment/java/android/support/v4/app/Fragment.java b/fragment/java/android/support/v4/app/Fragment.java
index 881c2b4..06d0b1e 100644
--- a/fragment/java/android/support/v4/app/Fragment.java
+++ b/fragment/java/android/support/v4/app/Fragment.java
@@ -2150,6 +2150,9 @@
     }
 
     void instantiateChildFragmentManager() {
+        if (mHost == null) {
+            throw new IllegalStateException("Fragment has not been attached yet.");
+        }
         mChildFragmentManager = new FragmentManagerImpl();
         mChildFragmentManager.attachController(mHost, new FragmentContainer() {
             @Override