Add test API for if the device supports QS

Test: cts-tradefed run cts-dev -m CtsSystemUiHostTestCases
Change-Id: Ib2dbbab8c4d0b7bae912f29f417e7e245bfd5b71
Fixes: 36363728

1 files changed, 13 insertions, 0 deletions

diff --git a/core/java/android/service/quicksettings/TileService.java b/core/java/android/service/quicksettings/TileService.java
index 8e0103078a42..56b267fb2c9d 100644
--- a/core/java/android/service/quicksettings/TileService.java
+++ b/core/java/android/service/quicksettings/TileService.java
@@ -19,11 +19,13 @@ import android.Manifest;
 import android.annotation.SdkConstant;
 import android.annotation.SdkConstant.SdkConstantType;
 import android.annotation.SystemApi;
+import android.annotation.TestApi;
 import android.app.Dialog;
 import android.app.Service;
 import android.content.ComponentName;
 import android.content.Context;
 import android.content.Intent;
+import android.content.res.Resources;
 import android.graphics.drawable.Icon;
 import android.os.Handler;
 import android.os.IBinder;
@@ -34,6 +36,8 @@ import android.view.View;
 import android.view.View.OnAttachStateChangeListener;
 import android.view.WindowManager;
 
+import com.android.internal.R;
+
 /**
  * A TileService provides the user a tile that can be added to Quick Settings.
  * Quick Settings is a space provided that allows the user to change settings and
@@ -425,6 +429,15 @@ public class TileService extends Service {
     }
 
     /**
+     * @return True if the device supports quick settings and its assocated APIs.
+     * @hide
+     */
+    @TestApi
+    public static boolean isQuickSettingsSupported() {
+        return Resources.getSystem().getBoolean(R.bool.config_quickSettingsSupported);
+    }
+
+    /**
      * Requests that a tile be put in the listening state so it can send an update.
      *
      * This method is only applicable to tiles that have {@link #META_DATA_ACTIVE_TILE} defined