UnregistrationIntentService.java

/**
 * Copyright 2015 Google Inc. All Rights Reserved.
 * <p/>
 * 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
 * <p/>
 * http://www.apache.org/licenses/LICENSE-2.0
 * <p/>
 * 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.cusnews.gcm;

import java.security.NoSuchAlgorithmException;
import java.util.List;

import android.app.IntentService;
import android.content.Intent;
import android.support.v4.content.LocalBroadcastManager;

import com.cusnews.ds.PushToken;
import com.cusnews.ds.TopicsFactory;
import com.cusnews.utils.DeviceUniqueUtil;
import com.cusnews.utils.Prefs;
import com.google.android.gms.iid.InstanceID;

import cn.bmob.v3.BmobQuery;
import cn.bmob.v3.listener.FindListener;

public class UnregistrationIntentService extends IntentService {
	public static final  String UNREGISTRATION_COMPLETE = "unregistrationComplete";
	private static final String TAG                     = "UnregIntentService";

	public UnregistrationIntentService() {
		super( TAG );
	}

	@Override
	protected void onHandleIntent( Intent intent ) {
		Prefs prefs = Prefs.getInstance();
		try {
			synchronized( TAG ) {
				InstanceID instanceID = InstanceID.getInstance( this );
				instanceID.deleteInstanceID();
				prefs.setPushToken( null );
				//Unsubscribe all.
				TopicsFactory.clear();
			}
		} catch( Exception e ) {
		}


		Intent unregistrationComplete = new Intent( UNREGISTRATION_COMPLETE );
		LocalBroadcastManager.getInstance( this ).sendBroadcast( unregistrationComplete );
		String deviceId = "0000000000";
		try {
			deviceId = DeviceUniqueUtil.getDeviceIdent( getApplicationContext() );
		} catch( NoSuchAlgorithmException e ) {

		}
		BmobQuery<PushToken> query = new BmobQuery<>();
		query.addWhereEqualTo( "mGoogleId", prefs.getGoogleId() );
		query.addWhereEqualTo( "mDeviceId", deviceId );
		query.findObjects( this, new FindListener<PushToken>() {
			@Override
			public void onSuccess( List<PushToken> list ) {
				PushToken token = list.get( 0 );
				if( token != null ) {
					token.delete( UnregistrationIntentService.this );
				}
			}

			@Override
			public void onError( int i, String s ) {
			}
		} );
	}


}