Hide suggestion if app already been restricted

Change-Id: I89904575be0236a22e4ca403bedc6adfc6cc5708
Fixes: 78014551
Test: RunSettingsRoboTests

src/com/android/settings/fuelgauge/batterytip/detectors/RestrictAppDetector.java

@@ -25,6 +25,7 @@ import com.android.settings.fuelgauge.batterytip.AnomalyDatabaseHelper;
 import com.android.settings.fuelgauge.batterytip.AppInfo;
 import com.android.settings.fuelgauge.batterytip.BatteryDatabaseManager;
 import com.android.settings.fuelgauge.batterytip.BatteryTipPolicy;
+import com.android.settings.fuelgauge.batterytip.tips.AppInfoPredicate;
 import com.android.settings.fuelgauge.batterytip.tips.BatteryTip;
 import com.android.settings.fuelgauge.batterytip.tips.RestrictAppTip;
 
@@ -44,17 +45,13 @@ public class RestrictAppDetector implements BatteryTipDetector {
     BatteryDatabaseManager mBatteryDatabaseManager;
     private Context mContext;
 
-    private Predicate<AppInfo> mAppInfoPredicate = new Predicate<AppInfo>() {
-        @Override
-        public boolean test(AppInfo appInfo) {
-            return Utils.getApplicationLabel(mContext, appInfo.packageName) == null;
-        }
-    };
+    private AppInfoPredicate mAppInfoPredicate;
 
     public RestrictAppDetector(Context context, BatteryTipPolicy policy) {
         mContext = context;
         mPolicy = policy;
         mBatteryDatabaseManager = BatteryDatabaseManager.getInstance(context);
+        mAppInfoPredicate = new AppInfoPredicate(context);
     }
 
     @Override

src/com/android/settings/fuelgauge/batterytip/tips/AppInfoPredicate.java

@@ -0,0 +1,46 @@
+/*
+ * Copyright (C) 2018 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.settings.fuelgauge.batterytip.tips;
+
+import android.app.AppOpsManager;
+import android.content.Context;
+
+import com.android.settings.Utils;
+import com.android.settings.fuelgauge.batterytip.AppInfo;
+
+import java.util.function.Predicate;
+
+/**
+ * {@link Predicate} for {@link AppInfo} to check whether it has label or restricted.
+ */
+public class AppInfoPredicate implements Predicate<AppInfo> {
+    private Context mContext;
+    private AppOpsManager mAppOpsManager;
+
+    public AppInfoPredicate(Context context) {
+        mContext = context;
+        mAppOpsManager = context.getSystemService(AppOpsManager.class);
+    }
+
+    @Override
+    public boolean test(AppInfo appInfo) {
+        // Return true if app doesn't have label or already been restricted
+        return Utils.getApplicationLabel(mContext, appInfo.packageName) == null
+                || mAppOpsManager.checkOpNoThrow(AppOpsManager.OP_RUN_ANY_IN_BACKGROUND,
+                appInfo.uid, appInfo.packageName) == AppOpsManager.MODE_IGNORED;
+    }
+}