Android Open Source - sms-smap-gateway Service Rebooter

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License

The source code is released under:

GNU General Public License

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Java Source Code

package com.android.smap.sms;
//w w w .j  a  v  a 2 s.  c o  m
import java.util.Calendar;

import android.app.ActivityManager;
import android.app.AlarmManager;
import android.app.PendingIntent;
import android.app.ActivityManager.RunningServiceInfo;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.util.Log;

/**
 * BootChecker just makes sure our service is running after the phone is booted
 */
public class ServiceRebooter extends BroadcastReceiver {

  public static final String  TAG  = ServiceRebooter.class.getCanonicalName();

  @Override
  public void onReceive(Context context, Intent intent) {
    checkService(context);
  }

  public static boolean checkService(Context context) {
    // If we haven't yet initialized our modem, do so
    if (!isServiceRunning(context)) {
      startService(context);
      return false;
    } else {
      return true;
    }
  }

  private static void startService(Context context) {
    Log.d(TAG, "=================");
    Log.d(TAG, "STARTING SERVICES");
    Log.d(TAG, "=================");

    Intent serviceIntent = new Intent(context, GatewayService.class);
    context.startService(serviceIntent);
    scheduleRebootService(context);
  }

  private static boolean isServiceRunning(Context context) {
    ActivityManager manager = (ActivityManager) context
        .getSystemService(Context.ACTIVITY_SERVICE);

    for (RunningServiceInfo service : manager
        .getRunningServices(Integer.MAX_VALUE)) {
      if ("com.android.smap.services.RelayService"
          .equals(service.service.getClassName())) {
        return true;
      }
    }
    return false;
  }

  /**
   * Trigger a reboot tomorrow at midnight
   */
  private static void scheduleRebootService(Context context) {
    Intent serviceIntent = new Intent(context, ServiceRebooter.class);
    PendingIntent sender = PendingIntent.getService(context, 0,
        serviceIntent, 0);

    // reboot each day to keep things happy
    AlarmManager am = (AlarmManager) context
        .getSystemService(Context.ALARM_SERVICE);

    // advance to tomorrow
    Calendar now = Calendar.getInstance();
    now.add(Calendar.HOUR, 24);

    // floor our date
    int day = now.get(Calendar.DAY_OF_MONTH);
    int mo = now.get(Calendar.MONTH);
    int yr = now.get(Calendar.YEAR);
    now.set(yr, mo, day, 0, 0);

    // set the alarm
    am.set(AlarmManager.RTC_WAKEUP, now.getTimeInMillis(), sender);
  }
}

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