commit 746316a47c9ab982ebcc03edbc636019e9e34f40
author Makoto Onuki <omakoto@google.com> Mon Oct 31 14:32:39 2011 -0700
committer Makoto Onuki <omakoto@google.com> Mon Oct 31 14:32:39 2011 -0700
tree 08bf505b8dd175a774258a7be3f2737bcad16c85
parent 557984daeba92a4e36d6cd0eedf2fba0abfb24a1

Use new "deferred fragments" feature on People

Apply the same technique which was recently introduced in
FragmentPagerAdapter in Ied454a6f.

Bug 5543639

Change-Id: If059589e0b1bfe2292c04eebb709800c1a41071a

src/com/android/contacts/activities/PeopleActivity.java

diff --git a/src/com/android/contacts/activities/PeopleActivity.java b/src/com/android/contacts/activities/PeopleActivity.java
index b4ad78a..12f7e8c 100644
--- a/src/com/android/contacts/activities/PeopleActivity.java
+++ b/src/com/android/contacts/activities/PeopleActivity.java
@@ -739,6 +739,8 @@
 
         private boolean mTabPagerAdapterSearchMode;
 
+        private Fragment mCurrentPrimaryItem;
+
         public TabPagerAdapter() {
             mFragmentManager = getFragmentManager();
         }
@@ -809,6 +811,9 @@
             }
             Fragment f = getFragment(position);
             mCurTransaction.show(f);
+
+            // Non primary pages should be deferred.
+            f.setStartDeferred(f != mCurrentPrimaryItem);
             return f;
         }
 
@@ -835,6 +840,20 @@
         }
 
         @Override
+        public void setPrimaryItem(View container, int position, Object object) {
+            Fragment fragment = (Fragment) object;
+            if (mCurrentPrimaryItem != fragment) {
+                if (mCurrentPrimaryItem != null) {
+                    mCurrentPrimaryItem.setStartDeferred(true);
+                }
+                if (fragment != null) {
+                    fragment.setStartDeferred(false);
+                }
+                mCurrentPrimaryItem = fragment;
+            }
+        }
+
+        @Override
         public Parcelable saveState() {
             return null;
         }