tableview_scroll_performance.m

- (UITableViewCell *)tableView:(UITableView  *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
    //after changes
    static NSString *CellIdentifier = @"Cella"; // change 1 - not the same with storyboard prototype cell
    UITableViewCell *cell = (UITableViewCell *)[self.myTableView dequeueReusableCellWithIdentifier:CellIdentifier];
    float screenW1 = [UIScreen mainScreen].bounds.size.width;
    UIImage *cellImage;
    UIButton *cellImageView;
    UILabel *firstLabel, *secondLabel;
    NSString *pathCircle;
    if(!cell) {// change 2 - use initWithStyle reuseIdentifier - drawing, create frames just here
        cell = [[UITableViewCell alloc] initWithStyle:UITableViewCellStyleSubtitle reuseIdentifier:CellIdentifier];
        cell.selectionStyle = UITableViewCellSelectionStyleNone;
        firstLabel = [[UILabel alloc]initWithFrame:CGRectIntegral(CGRectMake(screenW1/14.15+110, 20, screenW1-2*(screenW1/14.15), 22))]; // change 3 - magenta pixels - blended layer use CGRectIntegral
        firstLabel.tag =6;// change 4 - use tags
        secondLabel = [[UILabel alloc]initWithFrame:CGRectIntegral(CGRectMake(screenW1/14.15+110, 48, screenW1-2*(screenW1/14.15), 23))];
        secondLabel.tag = 7;
        pathCircle = [[NSBundle mainBundle] pathForResource:@"play_icon_2" ofType:@"png"]; // change 5 - red blended layer -  use png with background
        cellImage = [[UIImage alloc] initWithContentsOfFile:pathCircle];
        cellImageView = [[UIButton alloc]initWithFrame:CGRectIntegral(CGRectMake(screenW1/14.15, 19, 91, 92))]; // change 6 - yellow missaligned images - log out frame sizes and check image size - should fit!
        [cellImageView setBackgroundImage:cellImage forState:UIControlStateNormal];
        cellImageView.tag=12;
        [cellImageView addTarget:self action:@selector(unwindBack) forControlEvents:UIControlEventTouchUpInside];
        firstLabel.font = [UIFont fontWithName:@"OpenSans-Light" size:16];
        firstLabel.textColor = [UIColor blackColor];
        firstLabel.backgroundColor=[UIColor whiteColor];
        firstLabel.textAlignment = NSTextAlignmentLeft;
        secondLabel.font = [UIFont fontWithName:@"OpenSans" size:17];
        secondLabel.textColor = [UIColor blackColor];
        secondLabel.backgroundColor=[UIColor whiteColor];
        [cell.contentView addSubview:firstLabel];
        [cell.contentView addSubview:secondLabel];
        [cell.contentView addSubview:cellImageView];
        cell.layer.shouldRasterize = YES; // change 7 - cell layer rasterize
        cell.layer.rasterizationScale = [UIScreen mainScreen].scale;

    }
    firstLabel = (UILabel *)[cell.contentView viewWithTag:6]; // change 8 - using viewWithTag for custom views in cell contentview
    secondLabel = (UILabel *)[cell.contentView viewWithTag:7];
    cellImageView= (UIButton *)[cell.contentView viewWithTag:12];
    firstLabel.text = @"firstLabel";
    secondLabel.text = @"secondLabel";
    return cell;

}