Merge "Fix jank on conversation screen" into rvc-dev
diff --git a/res/layout/conversation_onboarding.xml b/res/layout/conversation_onboarding.xml
index bc18094..5de2166 100644
--- a/res/layout/conversation_onboarding.xml
+++ b/res/layout/conversation_onboarding.xml
@@ -15,10 +15,12 @@
 -->
 
 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+              android:id="@+id/onboarding"
               android:layout_width="match_parent"
               android:layout_height="match_parent"
               android:layout_gravity="center"
               android:gravity="center"
+              android:visibility="gone"
               android:orientation="vertical">
 
     <ImageView
diff --git a/src/com/android/settings/notification/app/NoConversationsPreferenceController.java b/src/com/android/settings/notification/app/NoConversationsPreferenceController.java
index c5f0cb2..7b626f6 100644
--- a/src/com/android/settings/notification/app/NoConversationsPreferenceController.java
+++ b/src/com/android/settings/notification/app/NoConversationsPreferenceController.java
@@ -19,13 +19,14 @@
 import android.content.Context;
 import android.os.AsyncTask;
 import android.service.notification.ConversationChannelWrapper;
+import android.view.View;
 
 import androidx.preference.Preference;
-import androidx.preference.PreferenceCategory;
 
+import com.android.settings.R;
 import com.android.settings.notification.NotificationBackend;
+import com.android.settingslib.widget.LayoutPreference;
 
-import java.util.Collections;
 import java.util.List;
 
 public class NoConversationsPreferenceController extends ConversationListPreferenceController {
@@ -56,6 +57,7 @@
 
     @Override
     public void updateState(Preference preference) {
+        LayoutPreference pref = (LayoutPreference) preference;
         // Load conversations
         new AsyncTask<Void, Void, Void>() {
             @Override
@@ -69,6 +71,8 @@
                 if (mContext == null) {
                     return;
                 }
+                pref.findViewById(R.id.onboarding).setVisibility(mConversations.size() == 0
+                        ? View.VISIBLE : View.GONE);
                 preference.setVisible(mConversations.size() == 0);
             }
         }.execute();