From b97bfb0885cbe61abc07586802e379ec8e227fb5 Mon Sep 17 00:00:00 2001
From: Emily Chuang <emilychuang@google.com>
Date: Wed, 24 Oct 2018 19:42:17 +0800
Subject: [PATCH] Fix a bug where cards overlap when rotating the screen

Check if a certain fragment has been added before. If it's added, then
just show it instead of re-adding it again.

Bug: 118344247
Test: visual
Change-Id: I039a3a7372e163c6bcda386d2aea99e6f8c8e9b1
---
 .../settings/homepage/SettingsHomepageActivity.java       | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/com/android/settings/homepage/SettingsHomepageActivity.java b/src/com/android/settings/homepage/SettingsHomepageActivity.java
index c6040f608c4..da7e7f2ee16 100644
--- a/src/com/android/settings/homepage/SettingsHomepageActivity.java
+++ b/src/com/android/settings/homepage/SettingsHomepageActivity.java
@@ -65,7 +65,13 @@ public class SettingsHomepageActivity extends SettingsBaseActivity {
     private void showFragment(Fragment fragment, int id, String tag) {
         final FragmentManager fragmentManager = getSupportFragmentManager();
         final FragmentTransaction fragmentTransaction = fragmentManager.beginTransaction();
-        fragmentTransaction.add(id, fragment, tag);
+        final Fragment showFragment = fragmentManager.findFragmentById(id);
+
+        if (showFragment == null) {
+            fragmentTransaction.add(id, fragment, tag);
+        } else {
+            fragmentTransaction.show(showFragment);
+        }
         fragmentTransaction.commit();
     }
 }
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