I have to send my current location details (lat & long) to server periodically (Ex: for every 5 minutes). Is there any best way? I know how to get the current location & how to send the details to server. But how do I repeat this in periodic intervals?
Register an alarm using AlarmManager
to wake up after 5min when user open the application first time. create a service(fetch location and update to server) to run when alarm notifies your application. After the service finished the work , register for an alarm again to wake up after 5min. by this way you can achieve your task.
ref
Android: How to periodically send location to a server
http://developer.android.com/reference/android/app/AlarmManager.html
http://developer.android.com/reference/android/app/Service.html
1st Edit - Adding code sample
Step 1 - Create alarm manager and register alarm
AlarmManager alarmMgr = (AlarmManager) getSystemService(Context.ALARM_SERVICE);
Intent intent = new Intent(Main.this, YourWakefulReceiver.class);
bool flag = (PendingIntent.getBroadcast(Main.this, 0,
intent, PendingIntent.FLAG_NO_CREATE)==null);
/*Register alarm if not registered already*/
if(flag){
PendingIntent alarmIntent = PendingIntent.getBroadcast(Main.this, 0,
intent, PendingIntent.FLAG_UPDATE_CURRENT);
// Create Calendar obj called calendar
Calendar calendar = Calendar.getInstance();
/* Setting alarm for every one hour from the current time.*/
int intervalTimeMillis = 1000 * 60 * 60; // 1 hour
alarmMgr.setRepeating(AlarmManager.RTC_WAKEUP,
calendar.getTimeInMillis(), intervalTimeMillis,
alarmIntent);
}
Step 2 - Create Receiver class
public class YourWakefulReceiver extends WakefulBroadcastReceiver {
@Override
public void onReceive(Context context, Intent intent) {
Intent service = new Intent(context, SimpleWakefulService.class);
startWakefulService(context, service);
}
}
}
Setp 3 - Create Service class
public class SimpleWakefulService extends IntentService {
private static String tagName = "YourService";
public SimpleWakefulService() {
super("YourService");
}
@Override
protected void onHandleIntent(Intent intent) {
// Start your location
LocationUtil.startLocationListener();
try {
// Wait for 10 seconds
Thread.sleep(1000*10);
} catch (InterruptedException e) {
}
//Stop location listener
LocationUtil.stopLocationListener();
// upload or save location
uploadGps();
SimpleWakefulReceiver.completeWakefulIntent(intent);
}
}
Step 4 - Register service and receiver
<service android:name="com.envision.ghari.services.SimpleWakefulService"></service>
<receiver android:name="com.envision.ghari.receivers.YourWakefulReceiver"></receiver>
Note : This code is to understand the implementation. It will not compile.
Using BroadcastReceiver is a good choice for sending periodic requests.
Here is a tutorial to use BroadcastReceiver.
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