ios - EXC_BAD_ACCESS crash while assigning a string to the text of a cell's label - 


 self.detailtextlabel.text = self.eventassociation.associatedevent.searchschedulestring;

occassionally while scrolling tableview , down crash 1 line message exc_bad_access (code = 1, address =0xsomething-something)

after crash tried printing self.eventassociation.associatedevent.searchschedulestring on debugger console, value of string.

i bring sequence again responsible crash. thought because model eventassociation assign , getting released still referring old address of deallocated object, made model retain property.but still getting crash sometimes.

- (uitableviewcell *)tableview:(uitableview *)tableview cellforrowatindexpath:(nsindexpath *)indexpath {     static nsstring *cellidentifier = @"cell";      boaeventlistcell *cell = [tableview dequeuereusablecellwithidentifier:cellidentifier];     if(nil == cell )     {         cell = [[[boaeventlistcell alloc] initwithstyle:uitableviewcellstylevalue1 reuseidentifier:cellidentifier] autorelease];      }       if(nil != self.customtabledatasource)     {         if(indexpath.section < self.customtabledatasource.count)         {             nsarray *eventarray = [self.customtabledatasource objectforkey:[[self.customtabledatasource allkeys] objectatindex:indexpath.section]];             [cell seteventassociation:[eventarray objectatindex:indexpath.row]];             [cell updatefrommodel];          }      }       return cell; }

this cellforrowatindexpath method settheeventassociation model , call updatefrommodel updates labels new model values.

this code updatefrommodel,

-(void)updatefrommodel {     self.detailtextlabel.text = self.eventassociation.associatedevent.searchschedulestring;     cgsize sizeforschedule = [self.eventassociation.associatedevent.searchschedulestring sizewithfont: self.detailtextlabel.font];      cgrect frame = self.detailtextlabel.frame;     frame.size =  sizeforschedule;     frame.origin.x = self.frame.size.width - (sizeforschedule.width + 20) ;      self.detailtextlabel.frame = frame;       // find out title should end     cgfloat titleendx =  self.detailtextlabel.frame.origin.x - 20;     frame = self.eventtitle.frame;     frame.size.width = titleendx - frame.origin.x;     self.eventtitle.frame = frame;     self.eventtitle.text= self.eventassociation.associatedevent.eventname;      // adjusting size of cell based on text     [self setneedslayout];  }

this first line crash. reason ?

as know exc_bad_access means trying use released object . try retain object @ getting crash issue .


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