android - Getting Cursor IndexOutOfBound Exception when passing contact-id to fetch details from Contacts -

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i getting contact details of person according account name working fine exception contacts have name not numbers. getting contact ids when fetch details using contact_id phone cursor causes exception

  private void displayallcontactsbytype(string accountname) //account-name: mobikwik  {      cursor rawcursor = null;      rawcursor = cresolver.query(             contactscontract.rawcontacts.content_uri,             new string[]{contactscontract.rawcontacts.contact_id},             contactscontract.rawcontacts.account_name + "= ? , "+contactscontract.rawcontacts.contact_id + " != 0",             new string[]{accountname},             contactscontract.contacts.display_name_primary + " collate localized asc");       int contactidcolumn = rawcursor.getcolumnindex(contactscontract.rawcontacts.contact_id);     int rawcursorcount = rawcursor.getcount();     int total = 1;      utils.log("raw size", " " + rawcursorcount);      while (rawcursor.movetonext()) {          contactid = rawcursor.getlong(contactidcolumn);             storecontactdetails(contactid );     }     rawcursor.close(); }

from above methods getting contacts id used data in below method.

private void storecontactdetails( long contactid) //e.g contact_id-2512  {      cursor phones = null;     string[] projection = new string[]{             contactscontract.commondatakinds.phone.display_name,             contactscontract.commondatakinds.phone.number,             contactscontract.contacts.lookup_key,             phone.has_phone_number,             phone.type,             phone.last_time_used     };       phones = cresolver.query(phone.content_uri,             projection,             phone.contact_id + " = ? ",             new string[]{string.valueof(contactid)},             null);      phones.movetofirst();     getresultsfromphonecursor(phones);  }  public void getresultsfromphonecursor(cursor phones) {      string email_id = "";     string contacttype = "";     string lasttimeused = "";      hashmap<string,string> contacttypewithnumber=new hashmap<>();      try {         string hasphone = "";         display_name = "";         phonenumber = "";          display_name = phones.getstring(phones.getcolumnindex(contactscontract.commondatakinds.phone.display_name));// line causing exception here         lasttimeused = convertlongtodateformat(phones.getstring(phones.getcolumnindex(phone.last_time_used)));          hasphone = phones.getstring(phones.getcolumnindex(contactscontract.commondatakinds.phone.has_phone_number));          if (hasphone.equalsignorecase("1"))             hasphone = "true";          else             hasphone = "false";          if (boolean.parseboolean(hasphone)) {              string lookupkey = phones.getstring(phones.getcolumnindex(contactscontract.contacts.lookup_key));              cursor emails = cresolver.query(contactscontract.commondatakinds.email.content_uri, new string[]{contactscontract.commondatakinds.email.data},                     contactscontract.commondatakinds.email.contact_id + " = " + contactid, null, null);              while (emails.movetonext()) {                 email_id = emails.getstring(emails                         .getcolumnindex(contactscontract.commondatakinds.email.data));             }              emails.close();              {                  phonenumber = phones.getstring(phones.getcolumnindex(contactscontract.commondatakinds.phone.number));                 int type = phones.getint(phones.getcolumnindex(phone.type));                  switch (type) {                      case 0:                          contacttype = "whatsapp";                         break;                      case phone.type_home:                         contacttype = "home";                         break;                      case phone.type_mobile:                         contacttype = "mobile";                         break;                      case phone.type_work:                         contacttype = "work";                         break;                      case phone.type_other:                         contacttype = "other";                         break;                      case phone.type_work_pager:                         contacttype = "pager";                         break;                      case phone.type_mms:                         contacttype = "mms";                         break;                      case phone.type_main:                         contacttype = "main";                         break;                      case phone.type_fax_home:                         contacttype = "fax";                         break;                      case phone.type_fax_work:                         contacttype = "fax-home";                         break;                 }                  if(contactlist.contains(new contactswrapper(contactid, display_name, lookupkey, false, email_id, lasttimeused,null))) {                      try {                         hashmap<string,string>contacttypemapprevious=contactlist.get(contactlist.size()-1).getcontacttypewithnumber();                              if (!contacttypemapprevious.get(contacttype).replace(" ","").equals(this.phonenumber.replace(" ",""))) {                                 contacttypewithnumber.put(contacttype, phonenumber);                              }                              else                             {                                 if(!contacttypewithnumber.containskey(contacttype)&& contacttypemapprevious.size()<=1)                                     contacttypewithnumber.put(contacttype, phonenumber);                             }                       } catch (exception e) {                         e.printstacktrace();                     }                 }                  else                     contacttypewithnumber.put(contacttype,phonenumber);             }              while (phones.movetonext());             contactlist.add(new contactswrapper(contactid, display_name, lookupkey, false, email_id, lasttimeused,contacttypewithnumber));               phones.close();         }     } catch (exception e) {          e.printstacktrace();//cursor out of bound exception here     }  }

why getting exception if have contact id not 0 or null. code works contacts have both name , numbers please in advance





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