Fix Learn more link placement is wrong problem

- Use the new style of the FooterPreference.

Fixes: 190951058
Test: manual test
Change-Id: I33d30f00b3785f5195e38e3e26524dd93971d486

res/values/strings.xml

@@ -10133,7 +10133,7 @@
     <!-- Preference title for Add link [CHAR LIMIT=60] -->
     <string name="app_launch_add_link">Add link</string>
     <!-- Footer for Open by default. [CHAR LIMIT=NONE] -->
-    <string name="app_launch_footer">An app can verify links to automatically open in the app. <annotation id="url">Learn more</annotation></string>
+    <string name="app_launch_footer">An app can verify links to automatically open in the app.</string>
 
     <!-- Title, message and button for verified links dialog. -->
     <plurals name="app_launch_verified_links_title">

res/xml/installed_app_launch_settings.xml

@@ -63,7 +63,6 @@
         <com.android.settingslib.widget.FooterPreference
             android:key="open_by_default_footer"
             android:selectable="false"
-            settings:allowDividerAbove="true"
             settings:searchable="false"/>
 
     </PreferenceCategory>

src/com/android/settings/applications/intentpicker/AppLaunchSettings.java

@@ -46,7 +46,6 @@ import com.android.settings.R;
 import com.android.settings.Utils;
 import com.android.settings.applications.AppInfoBase;
 import com.android.settings.applications.ClearDefaultsPreference;
-import com.android.settings.utils.AnnotationSpan;
 import com.android.settings.widget.EntityHeaderController;
 import com.android.settingslib.applications.AppUtils;
 import com.android.settingslib.widget.FooterPreference;
@@ -73,8 +72,6 @@ public class AppLaunchSettings extends AppInfoBase implements
             "open_by_default_selected_links_category";
     private static final String OTHER_DETAILS_PREF_CATEGORY_KEY = "app_launch_other_defaults";
 
-    // Url and Uri
-    private static final String ANNOTATION_URL = "url";
     private static final String LEARN_MORE_URI =
             "https://developer.android.com/training/app-links/verify-site-associations";
 
@@ -356,16 +353,22 @@ public class AppLaunchSettings extends AppInfoBase implements
     }
 
     private void initFooter() {
-        // learn more
-        final AnnotationSpan.LinkInfo linkInfo =
-                new AnnotationSpan.LinkInfo(ANNOTATION_URL, v -> {
-                    final Intent intent = new Intent(Intent.ACTION_VIEW, Uri.parse(LEARN_MORE_URI));
-                    mContext.startActivity(intent);
-                });
         final CharSequence footerText = mContext.getText(R.string.app_launch_footer);
         final FooterPreference footerPreference = (FooterPreference) findPreference(
                 FOOTER_PREF_KEY);
-        footerPreference.setTitle(AnnotationSpan.linkify(footerText, linkInfo));
+        footerPreference.setTitle(footerText);
+        // learn more
+        footerPreference.setLearnMoreAction(view -> {
+            final Intent intent = new Intent(Intent.ACTION_VIEW, Uri.parse(LEARN_MORE_URI));
+            mContext.startActivity(intent);
+        });
+        final String learnMoreContentDescription = mContext.getString(
+                R.string.footer_learn_more_content_description, getLabelName());
+        footerPreference.setLearnMoreContentDescription(learnMoreContentDescription);
+    }
+
+    private String getLabelName() {
+        return mContext.getString(R.string.launch_by_default);
     }
 
     private boolean isClearDefaultsEnabled() {