From 6f406199aade5acd816ff47d8146358d0df3eba8 Mon Sep 17 00:00:00 2001
From: Edgar Wang <edgarwang@google.com>
Date: Tue, 24 Aug 2021 02:04:49 +0800
Subject: [PATCH] Fix link number increasing in the TalkBack menu.

This caused by we add new URLSpan everytime when onBindViewHolder
called.

Bug: 195946803
Test: manual
Change-Id: Ic4272df327d8ad7758bcfbf2d194e6bc60881f0f
(cherry picked from commit 45baaa0f405b7d84a3ec1e2a742f4e718c8f2899)
---
 .../com/android/settingslib/widget/FooterPreference.java   | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/packages/SettingsLib/FooterPreference/src/com/android/settingslib/widget/FooterPreference.java b/packages/SettingsLib/FooterPreference/src/com/android/settingslib/widget/FooterPreference.java
index 8216edf872f30..fe7988f7e500f 100644
--- a/packages/SettingsLib/FooterPreference/src/com/android/settingslib/widget/FooterPreference.java
+++ b/packages/SettingsLib/FooterPreference/src/com/android/settingslib/widget/FooterPreference.java
@@ -43,6 +43,7 @@ public class FooterPreference extends Preference {
     View.OnClickListener mLearnMoreListener;
     private CharSequence mContentDescription;
     private CharSequence mLearnMoreContentDescription;
+    private FooterLearnMoreSpan mLearnMoreSpan;
 
     public FooterPreference(Context context, AttributeSet attrs) {
         super(context, attrs, R.attr.footerPreferenceStyle);
@@ -68,7 +69,11 @@ public class FooterPreference extends Preference {
         if (learnMore != null && mLearnMoreListener != null) {
             learnMore.setVisibility(View.VISIBLE);
             SpannableString learnMoreText = new SpannableString(learnMore.getText());
-            learnMoreText.setSpan(new FooterLearnMoreSpan(mLearnMoreListener), 0,
+            if (mLearnMoreSpan != null) {
+                learnMoreText.removeSpan(mLearnMoreSpan);
+            }
+            mLearnMoreSpan = new FooterLearnMoreSpan(mLearnMoreListener);
+            learnMoreText.setSpan(mLearnMoreSpan, 0,
                     learnMoreText.length(), 0);
             learnMore.setText(learnMoreText);
             if (!TextUtils.isEmpty(mLearnMoreContentDescription)) {