src/com/android/telecomm/TelecommApp.java

/*
 * Copyright (C) 2014 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.telecomm;

import android.app.Application;

/**
 * Top-level Application class for Telecomm.
 */
public final class TelecommApp extends Application {

    /** Singleton instance of TelecommApp. */
    private static TelecommApp sInstance;

    /**
     * Missed call notifier. Exists here so that the instance can be shared with
     * {@link TelecommBroadcastReceiver}.
     */
    private MissedCallNotifier mMissedCallNotifier;

    /** {@inheritDoc} */
    @Override public void onCreate() {
        super.onCreate();
        sInstance = this;

        mMissedCallNotifier = new MissedCallNotifier(this);
        TelecommServiceImpl.init();
    }

    public static TelecommApp getInstance() {
        if (null == sInstance) {
            throw new IllegalStateException("No TelecommApp running.");
        }
        return sInstance;
    }

    MissedCallNotifier getMissedCallNotifier() {
        return mMissedCallNotifier;
    }
}