1 files changed, 41 insertions, 0 deletions
diff --git a/java/com/android/dialer/notification/NotificationManagerUtils.java b/java/com/android/dialer/notification/NotificationManagerUtils.java
new file mode 100644
index 000000000..d99a9036d
--- /dev/null
+++ b/java/com/android/dialer/notification/NotificationManagerUtils.java
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+/*
+ * Copyright (C) 2017 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.dialer.notification;
+
+import android.app.NotificationManager;
+import android.content.Context;
+import android.service.notification.StatusBarNotification;
+import android.support.annotation.NonNull;
+import android.text.TextUtils;
+import com.android.dialer.common.Assert;
+
+/** Utilities to manage notifications. */
+public final class NotificationManagerUtils {
+  public static void cancelAllInGroup(@NonNull Context context, @NonNull String groupKey) {
+    Assert.isNotNull(context);
+    Assert.checkArgument(!TextUtils.isEmpty(groupKey));
+
+    NotificationManager notificationManager = context.getSystemService(NotificationManager.class);
+    for (StatusBarNotification notification : notificationManager.getActiveNotifications()) {
+      if (TextUtils.equals(groupKey, notification.getNotification().getGroup())) {
+        notificationManager.cancel(notification.getTag(), notification.getId());
+      }
+    }
+  }
+
+  private NotificationManagerUtils() {}
+}