am d5da500e: am fbb670d9: am 5a988492: am 00877d68: am f187823e: Merge "Fix exception when fragment container has no View." into lmp-dev

* commit 'd5da500e170fe3e2b430f27ac250b5b61dc90bcc':
  Fix exception when fragment container has no View.

core/java/android/app/Activity.java

@@ -745,6 +745,11 @@ public class Activity extends ContextThemeWrapper
         public View findViewById(int id) {
             return Activity.this.findViewById(id);
         }
+        @Override
+        public boolean hasView() {
+            Window window = Activity.this.getWindow();
+            return (window != null && window.peekDecorView() != null);
+        }
     };
 
     // Most recent call to requestVisibleBehind().

core/java/android/app/BackStackRecord.java

@@ -868,6 +868,9 @@ final class BackStackRecord extends FragmentTransaction implements
      */
     private void calculateFragments(SparseArray<Fragment> firstOutFragments,
             SparseArray<Fragment> lastInFragments) {
+        if (!mManager.mContainer.hasView()) {
+            return; // nothing to see, so no transitions
+        }
         Op op = mHead;
         while (op != null) {
             switch (op.cmd) {
@@ -923,6 +926,9 @@ final class BackStackRecord extends FragmentTransaction implements
      */
     public void calculateBackFragments(SparseArray<Fragment> firstOutFragments,
             SparseArray<Fragment> lastInFragments) {
+        if (!mManager.mContainer.hasView()) {
+            return; // nothing to see, so no transitions
+        }
         Op op = mHead;
         while (op != null) {
             switch (op.cmd) {

core/java/android/app/Fragment.java

@@ -2014,6 +2014,11 @@ public class Fragment implements ComponentCallbacks2, OnCreateContextMenuListene
                 }
                 return mView.findViewById(id);
             }
+
+            @Override
+            public boolean hasView() {
+                return (mView != null);
+            }
         }, this);
     }
 

core/java/android/app/FragmentManager.java

@@ -395,6 +395,7 @@ final class FragmentManagerState implements Parcelable {
  */
 interface FragmentContainer {
     public View findViewById(int id);
+    public boolean hasView();
 }
 
 /**