我开发了一个小部件，它将从服务器获取数据并进行一些修改并在小部件中显示。
我有一个ALARM管理器，每10秒启动一次服务，服务使用异步任务和显示器获取数据。
它消耗了大量的CPU使用量。
如果我可以更改代码设计并使小部件更有效，请提供帮助。
我使用Jsoup来连接和获取数据。
public void onUpdate(Context context, AppWidgetManager appWidgetManager,
int[] appWidgetIds) {
Log.d("Widget : " , "Inside onUpdate widget");
// To prevent any ANR timeouts, we perform the update in a service
final AlarmManager m = (AlarmManager) context.getSystemService(Context.ALARM_SERVICE);
final Calendar TIME = Calendar.getInstance();
TIME.set(Calendar.MINUTE, 0);
TIME.set(Calendar.SECOND, 0);
TIME.set(Calendar.MILLISECOND, 0);
final Intent i = new Intent(context, UpdateService.class);
if (service == null)
{
service = PendingIntent.getService(context, 0, i, PendingIntent.FLAG_CANCEL_CURRENT);
}
m.setRepeating(AlarmManager.RTC, TIME.getTime().getTime(), 100 * 60, service);
}
public static class UpdateService extends Service {
@Override
public void onConfigurationChanged(Configuration newConfig) {
super.onConfigurationChanged(newConfig);
// System.out.println("Inside config change ");
enableControls(this);
}
@Override
public void onStart(Intent intent, int startId) {
// Build the widget update for today
mContext = this;
Log.d("Widget : " , "Service started");
enableControls(this);
}
public static void enableControls（Context context）{ RemoteViews remoteViews = new RemoteViews（context.getPackageName（），R.layout.widget_status）;
Intent active = new Intent(context, MyWidgetProvider.class);
active.setAction(ACTION_WIDGET_REFRESH);
active.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
PendingIntent actionPendingIntent = PendingIntent.getBroadcast(context, 0, active, 0);
pushWidgetUpdate(context, remoteViews);
fetchStatus();
}
public static void fetchStatus（）{
new AsyncTask<String, Void, String>() {
@Override
protected String doInBackground(String... urls) {
try {
if(getWiFiStatus(mContext) == true ){
boolean getRedirectedURL = false;
String url,finalURL;
finalURL = "http://mobile.server.status";
Document doc = Jsoup.connect(finalURL).get();
while(getRedirectedURL == false){
Log.d(LOG_TAG,"inside while loop ---- : " + getRedirectedURL);
doc = Jsoup.connect(finalURL).get();
Log.d(LOG_TAG,"Complete doc: " + doc);
// System.out.println("Found the doc : " +doc.toString().contains("status"));
// Log.d(LOG_TAG,"Whole data third :"+doc);
// System.out.println("Printing redirected URL " + (docHead.select("meta")));
if(doc.toString().contains("status")){
getRedirectedURL = true;
break;
}
else
getRedirectedURL = false;
Elements docHead = doc.select("meta");
for(Element emt :docHead) {
url =null;
//Log.d(LOG_TAG,"Value boolean :"+emt.getElementsByAttribute("http-equiv").toString().toLowerCase().contains("url"));
if(emt.getElementsByAttribute("http-equiv").toString().toLowerCase().contains("url") ){
//getRedirectedURL = true;
url = emt.getElementsByAttribute("http-equiv").toString().toLowerCase().split("url=")[1].toString();
if (emt.getElementsByAttribute("http-equiv").toString().toLowerCase().contains("http://")){
finalURL = null;
finalURL = url.split("\"")[0].toString();
}
else
finalURL = finalURL + url.split("\"")[0].toString();
//Log.d(LOG_TAG,"Final URL :"+finalURL);
}
// else
// getRedirectedURL = false;
}
}
Log.d(LOG_TAG,"Final URL :"+finalURL);
doc = Jsoup.connect(finalURL).get();
Document noFramesDoc = Jsoup.parseBodyFragment(doc.toString());
}
else{
refreshStatus(mContext);
}
} catch (UnknownHostException exception){
System.out.println("Inside unknown host : ");
}
catch (Exception e) {
Log.d(LOG_TAG,"other Exception found :"+e.toString());
e.printStackTrace();
}
return null;
}
@Override
protected void onPostExecute(String result) {
if(mContext != null)
}
@Override
protected void onCancelled() {
}
}.execute();
}