From fa8ee797601de676883acb56bacfc6d497531879 Mon Sep 17 00:00:00 2001
From: Doris Ling <dling@google.com>
Date: Tue, 9 Oct 2018 17:48:34 -0700
Subject: [PATCH] Get the ringtone name in background thread.

- to prevent anr, retrieve the current ringtone in background thread.

Change-Id: I701adfa618553c03aa24719b2550ea3ee97d9bfa
Fixes: 117124470
Test: make RunSettingsRoboTests
---
 .../notification/RingtonePreferenceControllerBase.java   | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/src/com/android/settings/notification/RingtonePreferenceControllerBase.java b/src/com/android/settings/notification/RingtonePreferenceControllerBase.java
index 7d5ebf13347..7b37855c6f7 100644
--- a/src/com/android/settings/notification/RingtonePreferenceControllerBase.java
+++ b/src/com/android/settings/notification/RingtonePreferenceControllerBase.java
@@ -25,6 +25,7 @@ import androidx.preference.Preference;
 
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settingslib.core.AbstractPreferenceController;
+import com.android.settingslib.utils.ThreadUtils;
 
 public abstract class RingtonePreferenceControllerBase extends AbstractPreferenceController
         implements PreferenceControllerMixin {
@@ -45,11 +46,17 @@ public abstract class RingtonePreferenceControllerBase extends AbstractPreferenc
 
     @Override
     public void updateState(Preference preference) {
+        ThreadUtils.postOnBackgroundThread(() -> updateSummary(preference));
+    }
+
+    private void updateSummary(Preference preference) {
         Uri ringtoneUri = RingtoneManager.getActualDefaultRingtoneUri(mContext, getRingtoneType());
         final CharSequence summary = Ringtone.getTitle(
             mContext, ringtoneUri, false /* followSettingsUri */, true /* allowRemote */);
         if (summary != null) {
-            preference.setSummary(summary);
+            ThreadUtils.postOnMainThread(() -> {
+                preference.setSummary(summary);
+            });
         }
     }