CellUtil.java

/*
 * Copyright (C) 2011 asksven
 *
 * 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.asksven.betterwifionoff.utils;

import java.util.HashMap;
import java.util.List;
import java.util.Map;

import com.asksven.betterwifionoff.data.AppWhitelistDBHelper;
import com.asksven.betterwifionoff.data.CellLogEntry;

import android.app.ActivityManager;
import android.app.ActivityManager.RunningAppProcessInfo;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.os.BatteryManager;
import android.telephony.CellLocation;
import android.telephony.TelephonyManager;
import android.telephony.cdma.CdmaCellLocation;
import android.telephony.gsm.GsmCellLocation;
import android.util.Log;

/**
 * Helper to list running apps
 * 
 * @author sven
 * 
 */
public class CellUtil
{
	
	static String TAG = "CellUtil";
	
	public static CellLogEntry getCurrentCell(Context ctx)  
	{
		CellLogEntry cell = null;
		final TelephonyManager telephony = (TelephonyManager) ctx.getSystemService(Context.TELEPHONY_SERVICE);
		if ((telephony.getPhoneType() == TelephonyManager.PHONE_TYPE_GSM)
			|| (telephony.getPhoneType() == TelephonyManager.PHONE_TYPE_CDMA))
		{
		    final CellLocation location = telephony.getCellLocation();
		    if (location != null)
		    {
		    	if (location instanceof GsmCellLocation)
		    	{
		    		GsmCellLocation gsmLoc = (GsmCellLocation) location;
			        Log.i(TAG, "Detected cell LAC: " + gsmLoc.getLac() + " CID: " + gsmLoc.getCid());
			        cell = new CellLogEntry(gsmLoc.getCid(), gsmLoc.getLac());
		    	}
		    	else if (location instanceof CdmaCellLocation)
		    	{
		    		CdmaCellLocation cdmaLoc = (CdmaCellLocation) location;
			        Log.i(TAG, "Detected cell NID: " + cdmaLoc.getNetworkId() + " BID: " + cdmaLoc.getBaseStationId());
			        cell = new CellLogEntry(cdmaLoc.getBaseStationId(), cdmaLoc.getNetworkId());
		    	}
		    }
	    	else
	    	{
		        Log.i(TAG, "Unknown phone type " + telephony.getPhoneType());
	    	}
		}
		
		return cell;
	}
}