android - Fragment Getting Method from Another Class -


i have android app uses fragments. i'm following tutorial (calllogs tutorial) calls history.

i have class made tutorial in link want data class , use in 1 of fragments.

i've tried following;

    int callsmade = new getusage().getcalldetails();     string callsmade = string.valueof(callsmade);      log.e("calls made:", "texts: " + callsmade);

but keep getting error on "cursor managedcursor" line (nb: i've changed managedcursor getcontentresolver since managedcursor deprecated , error too)

is there i'm doing wrong here? anthing ye can think of can change?

thanks alot can provide.

edit: code getcalldetails();

public int getcalldetails()  {      stringbuffer sb = new stringbuffer();     cursor callscursor = getcontentresolver().query( calllog.calls.content_uri,null, null,null, calllog.calls.date + " desc");     //cursor plancursor=planshelper.query("plans", null, null, null, null);     int name = callscursor.getcolumnindex( calllog.calls.cached_name );     int number = callscursor.getcolumnindex( calllog.calls.number );      int type = callscursor.getcolumnindex( calllog.calls.type );     int date = callscursor.getcolumnindex( calllog.calls.date);     int duration = callscursor.getcolumnindex( calllog.calls.duration);     int allduration = 0;       sb.append( "call details :");     while ( callscursor.movetonext() )      {          string phname = callscursor.getstring( name );         string phnumber = callscursor.getstring( number );          string calltype = callscursor.getstring( type );         int calltypecode = integer.parseint(calltype);          string calldate = callscursor.getstring( date );         date formatdate = new date(long.valueof(calldate));         simpledateformat sdf = new simpledateformat("dd/mm/yyyy");         string datestr = sdf.format(formatdate);          string userdate = "18/03/2014";          //date parseddate = sdf.parse(userdate1);          calendar c = calendar.getinstance();         try {             c.settime(sdf.parse(userdate));         } catch (parseexception e) {             // todo auto-generated catch block             e.printstacktrace();         }         c.add(calendar.date, -5);  // number of days add         userdate = sdf.format(c.gettime());  // dt new date           string callduration = callscursor.getstring(duration);         float durationtofloat =float.parsefloat(callduration);         float durationtomins = durationtofloat/60;         int durationrounded = math.round(durationtomins);         int calldurationmin = durationrounded;           if(calltypecode==calllog.calls.outgoing_type)         {              //if(datestr.equals(userdate) || datestr.equals(userdate1))             if(formatdate.after(c.gettime()))             {                 sb.append("\nname:--- " + phname + "\nphone number:--- " + phnumber + " \ncall date:--- " + datestr                         + " \ncall duration in min :--- " + calldurationmin);                 sb.append("\n----------------------------------");                 allduration = allduration + calldurationmin;                 log.d(getclass().getsimplename(), "done");             }         }       }      sb.append("##" + allduration + "##");     getcalls.settext(sb.tostring());     callscursor.close();      return allduration;  }

change line int callsmade = new getusage().getcalldetails(); following code

 activity activity = getactivity();  if(activity instanceof getusage)   {   getusage myactivity = (getusage) activity;   myactivity.getcalldetails();   }

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