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这就是我想要做的。我有调用 BroadcastReceiver 名称 SmsAlarmReceiver 的主要活动。

Intent i = new Intent(SmsAlarmReceiver.ALARM_ACTION);
sendBroadcast(i);

现在我的 SmsAlarmReceiver.java 看起来像：

public class SmsAlarmReceiver extends BroadcastReceiver {

LocationManager locationmanager;
public static final String ALARM_ACTION= "com.example.finaltracking.SMS_REC";
@TargetApi(Build.VERSION_CODES.GINGERBREAD)
@Override
public void onReceive(Context context, Intent intent) {
    // TODO Auto-generated method stub
    locationmanager = (LocationManager) context.getSystemService(Context.LOCATION_SERVICE);
    Intent smsintent = new Intent(context,SmsService.class);
    PendingIntent pendingintent = PendingIntent.getService(context, 0, smsintent, 0);
    locationmanager.requestLocationUpdates(LocationManager.GPS_PROVIDER,1*60*1000,10,pendingintent);
}

}

因此，在此接收器中，我请求使用 pendingIntent 进行位置更新以收听位置变化。

我的名为 SmsService.java 的服务如下所示：

public class SmsService extends IntentService {

public SmsService(String name) {
    super(name);
    // TODO Auto-generated constructor stub
}

@Override
protected void onHandleIntent(Intent intent) {
    // TODO Auto-generated method stub
    Bundle bundle = intent.getExtras();
    Location location = (Location) bundle.get(LocationManager.KEY_LOCATION_CHANGED);
    Log.d("msg", "Loc is " + location.getLatitude() +","+ location.getLongitude());
    sendMessage("983******","msg is " + location.getLatitude()+"," +location.getLongitude());
}

private void sendMessage(String rec,String msg){

    //PendingIntent intent = PendingIntent.getActivity(this,0,new Intent(this,MainActivity.class),0);
    SmsManager sms = SmsManager.getDefault();
    //Toast.makeText(getApplicationContext(),msg,Toast.LENGTH_LONG).show();
    ArrayList<String> parts = sms.divideMessage(msg);
    sms.sendMultipartTextMessage(rec,null, parts,null, null);
}


  }

我的应用程序未强制关闭，但无法将消息发送到指定的接收者。

有没有更好的替代方案。简而言之，一旦用户启用了跟踪功能，我想实现每 5 分钟发送一次用户的 GPS 位置的功能。如何使用服务/意图服务/广播接收器来实现这个功能？请帮助。 .

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