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PONSMutable Array data source for UITableview cell
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  1. PONSMutable Array data source for UITableview cell
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    copied!<pre><code>NSString *myMessage=messageField.text; [messageArray addObject:myMessage]]; messageContentArray=[[NSMutableArray alloc] initWithArray:messageArray]; [_tableView reloadData]; </code></pre> <p>I have a UITableview and I used a NSMutable array of string as datasource then it works fine. But now I want to add another string in this array on click of a button as above but as soon as I touch the button then application crash and give </p> <blockquote> <p>'NSInvalidArgumentException', reason: '-[NSCFString count]: unrecognized selector sent to instance 0x4e11cf0'</p> </blockquote> <p>How I can do this my table view is as bellow please help me</p> <pre><code>- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section{ return [messageContentArray count]; } #pragma mark - #pragma mark UITableView Delegaates static CGFloat padding = 20.0; - (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath{ static NSString *CellIdentifier = @"messagesCellIdentifier"; SMMessageViewTableCell *cell = (SMMessageViewTableCell *)[tableView dequeueReusableCellWithIdentifier:CellIdentifier]; if (cell == nil) { cell = [[[SMMessageViewTableCell alloc] initWithFrame:CGRectZero reuseIdentifier:CellIdentifier] autorelease]; } NSString *usrid=[useridArray objectAtIndex:indexPath.row]; NSData *imgData1 = (NSData*)[[NSUserDefaults standardUserDefaults] objectForKey:@"lisnerImage"]; UIImage *img1 = [UIImage imageWithData: imgData1]; // CGRect imageFrame=CGRectMake(5,20,25,30); //CGRect imageFrame1=CGRectMake(250,20,25,30); //self.cellimage=[[[UIImageView alloc] initWithFrame:imageFrame] autorelease]; // self.cellimage1=[[[UIImageView alloc] initWithFrame:imageFrame1] autorelease]; if ([usrid caseInsensitiveCompare:friend_Id] == NSOrderedSame) { [cell.usrImage setFrame:CGRectMake(250, 20, 25, 30)]; cell.usrImage.image = userImage.image; // self.cellimage1.image=userImage.image; // [cell.contentView addSubview:self.cellimage1]; NSString *messages1 = [messageContentArray objectAtIndex:indexPath.row]; CGSize textSize = { 260.0, 10000.0 }; CGSize size = [messages1 sizeWithFont:[UIFont systemFontOfSize:13] constrainedToSize:textSize lineBreakMode:UILineBreakModeWordWrap]; size.width += (padding/2); cell.messageContentView.text = messages1; cell.accessoryType = UITableViewCellAccessoryNone; cell.userInteractionEnabled = NO; UIImage *bgImage = nil; bgImage = [[UIImage imageNamed:@"aqua.png"] stretchableImageWithLeftCapWidth:24 topCapHeight:15]; [cell.messageContentView setFrame:CGRectMake(45 , 20, 190, size.height)]; [cell.bgImageView setFrame:CGRectMake(45, 17, 190, size.height+padding)]; cell.bgImageView.image = bgImage; }else { //self.cellimage.image=img1; // [cell.contentView addSubview:self.cellimage]; [cell.usrImage setFrame:CGRectMake(5, 20, 25, 30)]; cell.usrImage.image = img1; NSString *messages1 = [messageContentArray objectAtIndex:indexPath.row]; CGSize textSize = { 260.0, 10000.0 }; CGSize size = [messages1 sizeWithFont:[UIFont systemFontOfSize:13] constrainedToSize:textSize lineBreakMode:UILineBreakModeWordWrap]; size.width += (padding/2); cell.messageContentView.text = messages1; cell.accessoryType = UITableViewCellAccessoryNone; cell.userInteractionEnabled = NO; UIImage *bgImage = nil; bgImage = [[UIImage imageNamed:@"orange.png"] stretchableImageWithLeftCapWidth:24 topCapHeight:15]; [cell.messageContentView setFrame:CGRectMake(45, 20, 190, size.height)]; [cell.bgImageView setFrame:CGRectMake( 45, 17, 190, size.height+padding)]; cell.bgImageView.image = bgImage; } return cell; } - (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath { } -(CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath{ // return 65; NSString *text = [messageContentArray objectAtIndex:[indexPath row]]; CGSize constraint = CGSizeMake(CELL_CONTENT_WIDTH - (CELL_CONTENT_MARGIN * 2), 20000.0f); CGSize size = [text sizeWithFont:[UIFont systemFontOfSize:FONT_SIZE] constrainedToSize:constraint lineBreakMode:UILineBreakModeWordWrap]; CGFloat height = MAX(size.height+20, 44.0f); return height + (CELL_CONTENT_MARGIN * 2); } </code></pre>
 

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