iOS: UITableView Row Automatic Height Adjustment (Self Sizing Cell)

iOS: UITableView Row Automatic Height Adjustment (Self Sizing Cell)

  Requirement iOS 8 and above
  
//1. Dyanamic table cells
  
    //Just set following two lines in view did load
    
    _tableView.estimatedRowHeight = someHeightConstant;//provide any value it gets set as default if no constraints are set
    _tableView.rowHeight = UITableViewAutomaticDimension;
    
//2. Static table cells

    //Handle these 2 callbacks
    
    -(CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath
    {
        return UITableViewAutomaticDimension;
    }

    -(CGFloat)tableView:(UITableView *)tableView estimatedHeightForRowAtIndexPath:(NSIndexPath *)indexPath
    {
        return someHeightConstant;//provide any value it gets set as default if no constraints are set
    }