Hi,
I am new to android Development.
I have created a location based application which runs in the
Background. I dont get any errors but when i try to check it out using
emulator. I get a message saying that the applicataion has stopped
unexpectedly, Pls try again.
Can some one help me out with this problem.
Service File:
package com.Location.LBS;
import android.app.Service;
import android.content.Context;
import android.content.Intent;
import android.os.IBinder;
import android.os.Bundle;
import android.telephony.TelephonyManager;
import android.telephony.gsm.GsmCellLocation;
import android.util.Log;
import android.widget.Toast;
import android.os.Handler;
class BackgroundServiceTask implements Runnable{
private static final String LOG_TAG="BackgroundService";
private Handler serviceHandler;
private int countDown = 0;
private long interval= 0L;
public BackgroundServiceTask(int countDown, long interval, Handler
serviceHandler)
{
this.countDown = countDown;
this.interval = interval;
this.serviceHandler = serviceHandler;
}
public void run()
{
Log.d(LOG_TAG,"Counter:"+ countDown);
if(--countDown > 0)
serviceHandler.postDelayed(this, interval);
}
}
public class MyService extends Service {
private static final String LOG_TAG ="Background Service";
private Handler serviceHandler = new Handler();
private static final int COUNTDOWN_LIMIT = 10;
private static final long COUNTDOWN_INTERVAL = 3*1000L;
protected void onStart(int startId,Bundle arguments)
{
super.onStart(null , startId);
Log.d(LOG_TAG,"onstart");
GsmCellLocation location;
int cellID, lac;
final String latLongString;
TelephonyManager tm = (TelephonyManager)getSystemService
(Context.TELEPHONY_SERVICE);
location = (GsmCellLocation) tm.getCellLocation();
if(location != null)
{
cellID =location.getCid();
lac = location.getLac();
latLongString="CellID:"+ 2675+"\n Lac:"+8894;
Log.i(getClass().getSimpleName(), "Data From
Location:" +
latLongString);
Toast.makeText(this,"Location:"+latLongString ,
Toast.LENGTH_SHORT);
}
else
{
latLongString ="No Location found";
}
BackgroundServiceTask bst = new BackgroundServiceTask
(COUNTDOWN_LIMIT, COUNTDOWN_INTERVAL, serviceHandler);
serviceHandler.postDelayed(bst,COUNTDOWN_INTERVAL);
stopSelf();
}
public void onDestroy()
{
super.onDestroy();
Log.d(LOG_TAG, "onDestory");
}
@Override
public IBinder onBind(Intent intent) {
// TODO Auto-generated method stub
return null;
}
}
Broadcast receiver file:
package com.Location.LBS;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
//import android.os.Bundle;
import android.content.ComponentName;
import android.util.Log;
public class BootCompletedIntentReceiver extends BroadcastReceiver {
private static final String LOG_TAG ="BootCompletedIntentReceiver";
public BootCompletedIntentReceiver() {
// TODO Auto-generated constructor stub
}
@Override
public void onReceive(Context context, Intent intent) {
// TODO Auto-generated method stub
String action = intent.getAction();
Log.d(LOG_TAG, action);
if(action== null)
Log.e(LOG_TAG,"Action==null!");
else if("android.intent.action.BOOT_COMPLETED".equals(action))
{
Intent i = new Intent();
i.setClassName("com.Location.LBS","com.Location.LBS.MyService");
ComponentName cname = context.startService(i);
if(cname == null)
Log.e(LOG_TAG, "Background Service was not
Started!");
else
Log.d(LOG_TAG, "Background Service Started");
}
}
}
Activity File:
package com.Location.LBS;
import android.app.Activity;
import android.os.Bundle;
import android.content.Intent;
public class LocationFinder extends Activity {
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
//setContentView(R.layout.main);
Intent i = new Intent();
i.setClassName("com.Location.LBS",
"com.Location.LBS.MyService");
startService(i);
}
}
Manifest File:
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android";
package="com.Location.LBS"
android:versionCode="1"
android:versionName="1.0.0">
<application android:icon="@drawable/icon" android:label="@string/
app_name">
<activity android:name=".LocationFinder"
android:label="@string/app_name">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category
android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
<service
android:permission="android.permission.ACCESS_COARSE_LOCATION"
android:enabled="true" android:name="MyService"></service>
<receiver android:name="BootCompletedIntentReceiver"
android:permission="android.permission.RECEIVE_BOOT_COMPLETED"></
receiver>
</application>
</manifest>
Thanks & Regards,
Pawan Kumar Venugopal
--~--~---------~--~----~------------~-------~--~----~
You received this message because you are subscribed to the Google
Groups "Android Developers" group.
To post to this group, send email to android-developers@googlegroups.com
To unsubscribe from this group, send email to
android-developers-unsubscr...@googlegroups.com
For more options, visit this group at
http://groups.google.com/group/android-developers?hl=en
-~----------~----~----~----~------~----~------~--~---
