Add wifi calling suggestion

Change-Id: I737736d675fe0a4606ff1ccfd7d4ec6b69e1fd73
diff --git a/src/com/android/settings/Settings.java b/src/com/android/settings/Settings.java
index 4141274..e20f93c 100644
--- a/src/com/android/settings/Settings.java
+++ b/src/com/android/settings/Settings.java
@@ -118,6 +118,7 @@
     public static class TopLevelSettings extends SettingsActivity { /* empty */ }
     public static class ApnSettingsActivity extends SettingsActivity { /* empty */ }
     public static class WifiCallingSettingsActivity extends SettingsActivity { /* empty */ }
+    public static class WifiCallingSuggestionActivity extends SettingsActivity { /* empty */ }
     public static class MemorySettingsActivity extends SettingsActivity { /* empty */ }
     public static class OverlaySettingsActivity extends SettingsActivity { /* empty */ }
     public static class WriteSettingsActivity extends SettingsActivity { /* empty */ }
diff --git a/src/com/android/settings/dashboard/SuggestionsChecks.java b/src/com/android/settings/dashboard/SuggestionsChecks.java
index b483ac7..d9512b3 100644
--- a/src/com/android/settings/dashboard/SuggestionsChecks.java
+++ b/src/com/android/settings/dashboard/SuggestionsChecks.java
@@ -24,7 +24,9 @@
 import android.os.IBinder;
 import android.os.RemoteException;
 import android.os.ServiceManager;
+import com.android.ims.ImsManager;
 import com.android.settings.Settings.WallpaperSuggestionActivity;
+import com.android.settings.Settings.WifiCallingSuggestionActivity;
 import com.android.settings.Settings.ZenModeAutomationSuggestionActivity;
 import com.android.settingslib.drawer.Tile;
 
@@ -47,10 +49,20 @@
             return hasEnabledZenAutoRules();
         } else if (className.equals(WallpaperSuggestionActivity.class.getName())) {
             return hasWallpaperSet();
+        } else if (className.equals(WifiCallingSuggestionActivity.class.getName())) {
+            return isWifiCallingUnavailableOrEnabled();
         }
         return false;
     }
 
+    public boolean isWifiCallingUnavailableOrEnabled() {
+        if (!ImsManager.isWfcEnabledByPlatform(mContext)) {
+            return true;
+        }
+        return ImsManager.isWfcEnabledByUser(mContext)
+                && ImsManager.isNonTtyOrTtyOnVolteEnabled(mContext);
+    }
+
     private boolean hasEnabledZenAutoRules() {
         List<AutomaticZenRule> zenRules = NotificationManager.from(mContext).getAutomaticZenRules();
         final int N = zenRules.size();