Android Open Source - android-sms-relay Boot Strapper

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License

The source code is released under:

GNU General Public License

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Java Source Code

package com.nyaruka.androidrelay;
//from w  w w . j a va2s  . 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;

/**
 * BootStrapper just makes sure our service is running after the phone is booted
 */
public class BootStrapper extends BroadcastReceiver {
  
  public static final String TAG = AndroidRelay.TAG;
  
  @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, RelayService.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.nyaruka.androidrelay.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, RebootService.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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