ios - Search for parse user to return multiple results -

-

i have uitableviewcontroller , in uisearchbar searches parse.com users. when search type "abc", want users string "abc" not closets match.

.h

@property (weak, nonatomic) iboutlet uisearchbar *searchbar; @property (nonatomic, strong) pfuser *founduser; @property (nonatomic, strong) pfrelation *friendsrelation; @property (nonatomic, strong) nsarray *allusers; @property (nonatomic, strong) pfuser *currentuser;

.m

- (void)viewdidload {     [super viewdidload];      self.searchbar.delegate = self;  }  -(void)viewdidappear:(bool)animated{     [super viewdidappear:animated];      pfquery *query = [pfuser query];     [query orderbyascending:@"username"];     [query findobjectsinbackgroundwithblock:^(nsarray *objects, nserror *error){         if (error) {             nslog(@"error: %@ %@", error, [error userinfo]);         } else {             self.allusers = objects;             [self.tableview reloaddata];         }     }];      self.currentuser = [pfuser currentuser];  }  #pragma mark -search bar  - (void)searchbarcancelbuttonclicked:(uisearchbar *)searchbar {      //dismiss keyboard , reload table     [self.searchbar resignfirstresponder];     [self.tableview reloaddata]; }  - (void)searchbartextdidbeginediting:(uisearchbar *)searchbar {      //enable cancel button when user touches search field     self.searchbar.showscancelbutton = true; }  - (void)searchbartextdidendediting:(uisearchbar *)searchbar {      //disable cancel button when user ends editing     self.searchbar.showscancelbutton = false; }  - (void)searchbarsearchbuttonclicked:(uisearchbar *)searchbar {      //dismiss keyboard     [self.searchbar resignfirstresponder];      //reset founduser property     self.founduser = nil;      //strip whitespace off end of search text     nsstring *searchtext = [self.searchbar.text stringbytrimmingcharactersinset:[nscharacterset whitespaceandnewlinecharacterset]];      searchtext = [searchtext lowercasestring];      //check make sure field isnt empty , query parse username in text field     if (![searchtext isequaltostring:@""]) {          pfquery *query = [pfuser query];         [query wherekey:@"username" containsstring:searchtext];         [query findobjectsinbackgroundwithblock:^(nsarray *objects, nserror *error) {             if (!error) {                  //check make sure query found user                 if (objects.count > 0) {                      //set founduser property user found query (we use last object since array)                     self.founduser = objects.lastobject;                      //the query succesful returned no results. user not found, display error message                 } else {                  }                  //reload tableview after user searches                 [self.tableview reloaddata];              } else {                  //error occurred query              }          }];      } }  #pragma mark - table view data source  - (nsinteger)numberofsectionsintableview:(uitableview *)tableview {      // return number of sections.     if (self.founduser) {          return 1;      } else {          return 0;     }  }  - (nsinteger)tableview:(uitableview *)tableview numberofrowsinsection:(nsinteger)section {      // return number of rows in section.      if (self.founduser) {          return 1;      } else {          return 0;     }  }

how can search string , retrieve users string?


Comments

Post a Comment

Popular posts from this blog

c++ - llvm function pass ReplaceInstWithInst malloc -

-
#include "llvm/pass.h" #include "llvm/ir/module.h" #include "llvm/ir/function.h" #include "llvm/support/raw_ostream.h" #include "llvm/ir/legacypassmanager.h" #include "llvm/ir/instrtypes.h" #include "llvm/transforms/ipo/passmanagerbuilder.h" #include "llvm/ir/irbuilder.h" #include "llvm/transforms/utils/basicblockutils.h" using namespace llvm; namespace { struct replacepass : public functionpass { static char id; replacepass() : functionpass(id) {} virtual bool runonfunction(function &f) { allocainst* insttoreplace = ??? basicblock::iterator ii(insttoreplace); replaceinstwithinst(insttoreplace->getparent()->getinstlist(), ii, new allocainst(type::int32ty, 0, insttoreplace)); return true; } }; } char replacepass::id = 0; static void registerreplacepass(const passmanagerbuilder &, legacy::passmanagerbase &pm) { pm.add(new re
Read more

java.lang.NoClassDefFoundError When Creating New Android Project -

-
i've tried installing (and re-installing) android studio several times now, , each time, studio isn't able create new android project. when attempt initial android studio window (ie. basic 'create', 'open', 'import' etc options), i'm asked of questions in wizard, brief progress dialog, followed nothing @ all. if open incomplete project process creates choosing 'open' list, can try choosing create new android project menu. this has same issue, error message in output console time... java.lang.noclassdeffounderror: com/sun/xml/internal/bind/v2/model/annotation/annotationreader (wrong name: com/sun/xml/internal/bind/v0/model/qnnotation/annotationreader) note: when installed android studio, installed incompatible jdk (1.8, not 1.7). have had go default project settings change jdk uses 1.8. does know how can avoid this? there place should downloading jxb classes? missing in java paths? this appears have been caused cor
Read more

Decoding a Python 2 `tempfile` with python-future -

-
i'm attempting write python 2/3 compatible routine fetch csv file, decode latin_1 unicode , feed csv.dictreader in robust, scalable manner. for python 2/3 support, i'm using python-future including imporing open builtins , , importing unicode_literals consistent behaviour i'm hoping handle exceptionally large files spilling disk, using tempfile.spooledtemporaryfile i'm using io.textiowrapper handle decoding latin_1 encoding before feeding dictreader this works fine under python 3. the problem textiowrapper expects wrap stream conforms bufferediobase . unfortunately under python 2, although have imported python 3-style open , vanilla python 2 tempfile.spooledtemporaryfile still of course returns python 2 cstringio.stringo , instead of python 3 io.bytesio required textiowrapper . i can think of these possible approaches: wrap python 2 cstringio.stringo python 3-style io.bytesio . i'm not sure how approach - need write such wrapper or 1 ex
Read more