wearable/wear/WearAccessibilityApp/Wearable/src/main/java/com/example/android/wearable/wear/wearaccessibilityapp/MessagingMainActivity.java

/*
 * Copyright (C) 2017 Google Inc. All Rights Reserved.
 *
 * 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.example.android.wearable.wear.wearaccessibilityapp;

import android.app.Activity;
import android.app.NotificationManager;
import android.content.Context;
import android.os.Bundle;

import androidx.wear.ambient.AmbientMode;

/**
 * Template class meant to include functionality for your Messaging App. (This project's main focus
 * is on Notification Styles.)
 */
public class MessagingMainActivity extends Activity implements AmbientMode.AmbientCallbackProvider {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_messaging_main);

        AmbientMode.attachAmbientSupport(this);

        // Cancel Notification
        NotificationManager notificationManager =
                (NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE);

        notificationManager.cancel(NotificationsActivity.NOTIFICATION_ID);
    }

    @Override
    public AmbientMode.AmbientCallback getAmbientCallback() {
        return new MyAmbientCallback();
    }

    private class MyAmbientCallback extends AmbientMode.AmbientCallback {}
}