How to Add Uitableview Within a Uitableviewcell

Is it possible to add UITableView within a UITableViewCell

yes it is possible, I added the UITableVIew within the UITableView cell
.. :)

no need to add tableview cell in xib file - just subclass the UITableviewCell and use the code below, a cell will be created programatically.

//in your main TableView 

#import "ViewController.h"
#import "CustomCell.h"
@interface ViewController ()<UITableViewDataSource , UITableViewDelegate>

@end

@implementation ViewController

- (void)viewDidLoad
 {
   [super viewDidLoad];
   // Do any additional setup after loading the view, typically from a nib.
 }

- (void)didReceiveMemoryWarning
  {
     [super didReceiveMemoryWarning];
     // Dispose of any resources that can be recreated.
  }

 - (void)dealloc 
{
 [_aTV release];
 [super dealloc];
}


-(NSInteger)numberOfSectionsInTableView:(UITableView *)tableView
 {
  return 1;
 }

-(NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section
 {
  return 3;
 }

 -(UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
{
   CustomCell *cell = [self.aTV dequeueReusableCellWithIdentifier:@"Cell"];
   if(cell == nil)
   {
     cell = [[[CustomCell alloc]initWithStyle:UITableViewCellStyleDefault reuseIdentifier:@"Cell"]autorelease];
   }

  cell.dataAraay = [NSMutableArray arrayWithObjects:@"subMenu->1",@"subMenu->2",@"subMenu->3",@"subMenu->4",@"subMenu->5", nil];
return  cell;
}

 -(CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath
{
   return 150;
}


//in your custom tableview cell 
//  .m file
#import "CustomCell.h"

@implementation CustomCell 
@synthesize dataAraay; //array to hold submenu data

- (id)initWithStyle:(UITableViewCellStyle)style reuseIdentifier:(NSString *)reuseIdentifier
 {
    self = [super initWithStyle:style reuseIdentifier:reuseIdentifier];
    if (self) {
    // Initialization code
   self.frame = CGRectMake(0, 0, 300, 50);
   UITableView *subMenuTableView = [[UITableView alloc]initWithFrame:CGRectZero style:UITableViewStylePlain]; //create tableview a

  subMenuTableView.tag = 100;
  subMenuTableView.delegate = self;
  subMenuTableView.dataSource = self;
  [self addSubview:subMenuTableView]; // add it cell
  [subMenuTableView release]; // for without ARC
  }
return self;
}

- (void)setSelected:(BOOL)selected animated:(BOOL)animated
 {
     [super setSelected:selected animated:animated];

  // Configure the view for the selected state
 }

 -(void)layoutSubviews
 {
   [super layoutSubviews];
   UITableView *subMenuTableView =(UITableView *) [self viewWithTag:100];
   subMenuTableView.frame = CGRectMake(0.2, 0.3, self.bounds.size.width-5,    self.bounds.size.height-5);//set the frames for tableview

}

  //manage datasource and  delegate for submenu tableview
 -(NSInteger)numberOfSectionsInTableView:(UITableView *)tableView
  {
     return 1;
  }

-(NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section
 {
   return dataAraay.count;
 }

-(UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
{
    UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:@"cellID"];
    if(cell == nil)
    {
       cell = [[[UITableViewCell alloc]initWithStyle:UITableViewCellStyleDefault reuseIdentifier:@"cellID"]autorelease];
   }
  cell.textLabel.text = [self.dataAraay objectAtIndex:indexPath.row];

  return cell;

}

@end

Swift version
Create a single view project add tableview inside storyboard and set up its datasource and delegate

Paste code below to ViewController.swift

  import UIKit

  class ViewController: UIViewController,UITableViewDataSource,UITableViewDelegate {

  override func viewDidLoad() {
      super.viewDidLoad()
      // Do any additional setup after loading the view, typically from a nib.
  }

  override func didReceiveMemoryWarning() {
      super.didReceiveMemoryWarning()
      // Dispose of any resources that can be recreated.
  }

  func numberOfSectionsInTableView(tableView: UITableView) -> Int {
      return 3;
  }

  func tableView(tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
      return 1;
  }

  func tableView(tableView: UITableView, cellForRowAtIndexPath indexPath: NSIndexPath) -> UITableViewCell {
      var cell:CustomCell? = tableView.dequeueReusableCellWithIdentifier("Cell") as?  CustomCell
      if cell == nil {
         cell = CustomCell(style: UITableViewCellStyle.Default, reuseIdentifier: "Cell")
      }
      cell?.dataArr = ["subMenu->1","subMenu->2","subMenu->3","subMenu->4","subMenu->5"]
      return cell! 
   }

   func  tableView(tableView: UITableView, heightForRowAtIndexPath indexPath: NSIndexPath) -> CGFloat {
       return 150.0
   }
}

create a new file CustomCell.swift which is the subclass of UITableViewCell and do not select with xib this file is without .xib file table and its cell will be created programatically as in objective-c code.

Paste code below to CustomCell.swift

  import UIKit

  class CustomCell: UITableViewCell,UITableViewDataSource,UITableViewDelegate {

  var dataArr:[String] = []
  var subMenuTable:UITableView?
  override init(style: UITableViewCellStyle, reuseIdentifier: String?) {
      super.init(style: style , reuseIdentifier: reuseIdentifier)
      setUpTable()
  }

  required init(coder aDecoder: NSCoder) {
      fatalError("init(coder:) has not been implemented")
      setUpTable()
  }

  override func awakeFromNib() {
      super.awakeFromNib()
      // Initialization code
      setUpTable()
  }

  func setUpTable(){
      subMenuTable = UITableView(frame: CGRectZero, style:UITableViewStyle.Plain)
      subMenuTable?.delegate = self
      subMenuTable?.dataSource = self
      self.addSubview(subMenuTable!)
  }

  override func layoutSubviews() {
      super.layoutSubviews()
      subMenuTable?.frame = CGRectMake(0.2, 0.3, self.bounds.size.width-5, self.bounds.size.height-5)
  }

  override func setSelected(selected: Bool, animated: Bool) {
      super.setSelected(selected, animated: animated)
      // Configure the view for the selected state
  }

  func tableView(tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
      return dataArr.count
  }

  func numberOfSectionsInTableView(tableView: UITableView) -> Int {
      return 1
  }

  func tableView(tableView: UITableView, cellForRowAtIndexPath indexPath: NSIndexPath) -> UITableViewCell {

    var cell: UITableViewCell? = tableView.dequeueReusableCellWithIdentifier("cellID")

    if cell == nil {
        cell = UITableViewCell(style: UITableViewCellStyle.Default, reuseIdentifier: "cellID")
    }

    cell?.textLabel?.text = dataArr[indexPath.row]

    return cell!
  }
}

UITableView inside UITableViewCell with dynamic height

I added override for property in my table view:

override var intrinsicContentSize: CGSize {
    self.layoutIfNeeded()
    return self.contentSize
}

Full code for my table in table can you find on my GitHub

Putting Tableview inside UITableViewCell Swift

1) Don't need do_table_refresh, you can call cell.tableView.reloadData() directly.

2) Override the systemLayoutSizeFitting:withHorizontalFittingPriority:verticalFittingPriority function:

override func systemLayoutSizeFitting(_ targetSize: CGSize, withHorizontalFittingPriority horizontalFittingPriority: UILayoutPriority, verticalFittingPriority: UILayoutPriority) -> CGSize {

    tableView.reloadData()

    // if the table view is the last UI element, you might need to adjust the height
    let size = CGSize(width: targetSize.width,
                      height: tableView.frame.origin.y + tableView.contentSize.height)
    return size

}

3) In your view controller, after you set the surveyArray, remove this line cell.do_table_refresh(), replace with cell.setNeedsLayout() to auto adjust the layout (you might also need to call a method to update the other UIs such as announcementLabel etc. call it before setNeedsLayout too.)

Is it possible to add UITableView within a UITableViewCell in Swift

I have done it before but not in swift, in Objective C.

Below are steps to add TableView on TableviewCell:

1. Make TableView Cell class with xib.

@interface CollapsableCell_iPhone : UITableViewCell <UITableViewDelegate,UITableViewDataSource>

2. Add View on content view.on that view add tableview and set delegates to tableview cell class.

3. Implement delegate method inside tableview cell class.

4. Use this cell in Your Tableview as many time as required.

   NSArray *nib = [[NSBundle mainBundle] loadNibNamed:@"CollapsableCell_iPhone" owner:self options:nil];
   
   CollapsableCell_iPhone *cell = (CollapsableCell_iPhone *)[nib lastObject];
   

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