我使用 GCM 开发 android 应用程序,我想一次每 5 分钟发送一次心跳,我在服务运行时创建它,这些是我的代码,
public class sendHeartbeat extends Service{
private Handler customHandler = new Handler();
private static final String TAG = "MyService";
@Override
public IBinder onBind(Intent arg0) {
return null;
}
@Override
public void onCreate() {
Log.d(TAG, "onCreate");
}
@Override
public void onStart(Intent intent, int startId) {
Log.d(TAG, "onStart");
customHandler.postDelayed(updateTimerThread, 0);
}
@Override
public void onDestroy() {
Log.d(TAG, "onDestroy");
}
private Runnable updateTimerThread = new Runnable() {
@Override
public void run() {
// TODO Auto-generated method stub
new syncGetHeartbeat().execute();
Log.d("send hearbeat","send hearrrrrrrbeat");
customHandler.postDelayed(this, 260000);
}
};
class syncGetHeartbeat extends AsyncTask<Void, Void, String> {
@Override
protected String doInBackground(Void... unsued) {
try {
String varId="naengoland";
String url = "http://mydomain.com/gcmserver/getHeartbeat.php?id="+varId;
getRequestJSON(url);
return null;
} catch (Exception e) {
Log.e(e.getClass().getName(), "service get hertbeat "+ e.toString());
return null;
}
}
@Override
protected void onProgressUpdate(Void... unsued) {
}
@Override
protected void onPostExecute(String sResponse) {
}
}
public String getRequestJSON(String Url){
HttpClient client = new DefaultHttpClient();
HttpGet request = new HttpGet(Url);
try{
client.execute(request);
}catch(Exception ex){
}
return null;
}
}
我每5分钟成功发送一次心跳,但问题是我的应用程序运行缓慢并且消耗大量电池,除了按照我的方式发送心跳还有什么办法?我的意思是,比我的方法更好的方法。
请帮忙。