Android Open Source - android-gcm-demo G C M Broadcast Receiver

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License

The source code is released under:

Apache License

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Java Source Code

/*
 * Copyright 2012 Google Inc.// w  ww .  j  a va2  s.  c o m
 *
 * 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.google.android.gcm;

import static com.google.android.gcm.GCMConstants.DEFAULT_INTENT_SERVICE_CLASS_NAME;

import android.app.Activity;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.util.Log;

/**
 * {@link BroadcastReceiver} that receives GCM messages and delivers them to
 * an application-specific {@link GCMBaseIntentService} subclass.
 * <p>
 * By default, the {@link GCMBaseIntentService} class belongs to the application
 * main package and is named
 * {@link GCMConstants#DEFAULT_INTENT_SERVICE_CLASS_NAME}. To use a new class,
 * the {@link #getGCMIntentServiceClassName(Context)} must be overridden.
 */
public class GCMBroadcastReceiver extends BroadcastReceiver {

    private static boolean mReceiverSet = false;

    private final GCMLogger mLogger = new GCMLogger("GCMBroadcastReceiver",
            "[" + getClass().getName() + "]: ");

    @Override
    public final void onReceive(Context context, Intent intent) {
        mLogger.log(Log.VERBOSE, "onReceive: %s", intent.getAction());
        // do a one-time check if app is using a custom GCMBroadcastReceiver
        if (!mReceiverSet) {
            mReceiverSet = true;
            GCMRegistrar.setRetryReceiverClassName(context,
                    getClass().getName());
        }
        String className = getGCMIntentServiceClassName(context);
        mLogger.log(Log.VERBOSE, "GCM IntentService class: %s", className);
        // Delegates to the application-specific intent service.
        GCMBaseIntentService.runIntentInService(context, intent, className);
        setResult(Activity.RESULT_OK, null /* data */, null /* extra */);
    }

    /**
     * Gets the class name of the intent service that will handle GCM messages.
     */
    protected String getGCMIntentServiceClassName(Context context) {
        return getDefaultIntentServiceClassName(context);
    }

    /**
     * Gets the default class name of the intent service that will handle GCM
     * messages.
     */
    static final String getDefaultIntentServiceClassName(Context context) {
        String className = context.getPackageName() +
                DEFAULT_INTENT_SERVICE_CLASS_NAME;
        return className;
    }
}

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