iphone - Check image not working properly in uitableviewcell over button, tag and cell reuse issue -


check images removing after scrolling.
have reuse cell , dont want use didselectrow method because having several buttons in 1 cell , sample created stackoverflow.

screenshot of tableview searched lot in google , found helpless.

here sample code

// //  tvviewcontroller.h //  tableviewcheck    #import <uikit/uikit.h>  @interface tvviewcontroller : uiviewcontroller<uitableviewdatasource,uitableviewdelegate>{      uitableview *sampletableview;     uiimageview * imageview1;     uibutton* abutton1;     uiimageview *imageviewchk1;     int tag;  }  @property (nonatomic, strong) iboutlet uitableview *sampletableview;  @end   //  tvviewcontroller.m //  tableviewcheck  #import "tvviewcontroller.h"  @interface tvviewcontroller ()  @end  @implementation tvviewcontroller @synthesize sampletableview;  - (void)viewdidload {     [super viewdidload];     // additional setup after loading view, typically nib. }  - (nsinteger)numberofsectionsintableview:(uitableview *)tableview {     // return number of sections.     return 1; }  - (nsinteger)tableview:(uitableview *)tableview numberofrowsinsection:(nsinteger)section{     // return number of rows in section.     // number of items in array (the 1 holds list)     //  nslog(@"selected %i , deliveryarray %i",[queuearray count],[deliveryarray count]);                 return 50; }   - (uitableviewcell *)tableview:(uitableview *)tableview cellforrowatindexpath:(nsindexpath *)indexpath{     //where configure cell in each row      // nsstring *cellidentifier =[nsstring stringwithformat:@"%i-%i", indexpath.section,indexpath.row];     static nsstring *cellidentifier = @"cell";     uitableviewcell *cell;      cell = [tableview dequeuereusablecellwithidentifier:cellidentifier];      if (cell == nil) {         cell = [[[uitableviewcell alloc] initwithstyle:uitableviewcellstyledefault reuseidentifier:cellidentifier]autorelease];         [cell setselectionstyle:uitableviewcellselectionstylenone];      }         imageviewchk1 = [[uiimageview alloc] initwithframe:cgrectmake(56,0 , 24,24)];         imageviewchk1.image = [uiimage imagenamed:@"check.png"];         imageviewchk1.tag=indexpath.row+10000;           imageviewchk1.hidden=yes;          imageview1 = [[uiimageview alloc] initwithframe:cgrectmake(0, 0, 80,80)];         imageview1.image = [uiimage imagenamed:@"newframe.png"];          abutton1 = [uibutton buttonwithtype:uibuttontyperoundedrect];         [abutton1 settag:indexpath.row];         [abutton1 setimage:imageview1.image forstate:uicontrolstatenormal];         abutton1.frame = cgrectmake(0, 0, 80,80);         [abutton1 addtarget:self action:@selector(buttonclicked:) forcontrolevents:uicontroleventtouchupinside];         [abutton1 addsubview:imageviewchk1];         [cell.contentview addsubview:abutton1];      return cell;         }   -(void)buttonclicked:(uibutton*)sender {     tag = sender.tag;     nslog(@"buttonclicked %i",tag);      uiimageview *imageview = (uiimageview *)[sampletableview viewwithtag:tag+10000];           if(imageview.hidden)         {             imageview.hidden=no;         }         else {             imageview.hidden=yes;          }     }

well, problem implementation is, set imageview.hidden property in buttonclicked method.

when cell not shown on screen moment , shown again, cellforrow called again.

the problem here is, not store in cell imageview.hidden has been set no. why every time cell shown again, cellforrow: sets imageview.hidden yes.

so solution store numbers of cell, imageview.hidden= no , check in cellforrow if cell @ indexpath 1 imageview.hidden= no.


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