UITableView with customized cell inside Custom UIView Xcode - ios

Question

I have been trying to incorporate tableview inside uiview xib file in Xcode.
I was able to get the table shown but unable to include customized cell in it.
here is my main code:
class homemoments:UIView, UITableViewDataSource, UITableViewDelegate {
var posts: Posts!
let screenHeight = UIScreen.main.bounds.height
let screenWidth = UIScreen.main.bounds.width
#IBOutlet weak var tableView: UITableView!
override init(frame: CGRect) {
super.init(frame: frame)
posts = Posts()
tableView.register(UITableViewCell.self, forCellReuseIdentifier: "newsfeedcell")
commitint()
}
//initWithCode to init view from xib or storyboard
required init?(coder: NSCoder) {
super.init(coder: coder)
commitint()
}
func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
let cell = tableView.dequeueReusableCell(withIdentifier: "newsfeedcell") as! NewsfeedTableViewCell
cell.set(post: posts.postsArray[indexPath.row])
return cell
}
func numberOfSections(in tableView: UITableView) -> Int {
return 1
}
func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
return posts.postsArray.count
}
func commitint(){
let viewFromXib = Bundle.main.loadNibNamed("homemoments", owner: self, options: nil)![0] as! UIView
viewFromXib.frame = self.bounds
addSubview(viewFromXib)
}
}
when I run this code, my tableview.register returns an error saying that tableview is nil.
which is weird because initially my tableview.delegation & datasource doesn't work either. so I manually add them by dragging the tableview to file owner from the xib file to set those.
is this because we are not able to create customized cell for the tableview in xib? since I did notice that the tableview in xib doesn't have prototyped mode compared to uiviewcontroller.
UPDATES
My tableview now shows with the exception that there is no cell content shown.
I have searched and was told that to use
tableView.register(UINib(nibName: "momentcell", bundle:nil),forCellReuseIdentifier:"momentcell")
see below:
override init(frame: CGRect) {
super.init(frame: frame)
commitint()
posts = Posts()
tableView.register(UINib(nibName: "momentcell", bundle:nil),forCellReuseIdentifier:"momentcell")
}
//initWithCode to init view from xib or storyboard
required init?(coder: NSCoder) {
super.init(coder: coder)
commitint()
}
func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
let cell = tableView.dequeueReusableCell(withIdentifier: "momentcell") as! momentcell
//cell.set(post: posts.postsArray[indexPath.row])
cell.backgroundColor = .blue
return cell
}
here's the screenshot of my cell xib file
import UIKit
class momentcell: UITableViewCell {
}
and now the error is saying that
let cell = tableView.dequeueReusableCell(withIdentifier: "momentcell") as! momentcell
this is nil

Answer 1

Tableview will not be initialized yet In init if you are using storyboard
Please try to access it from awakefromnib or viewdidload

Answer 2

The problem is that you try to access tableView before xib is loaded.
Try this
override init(frame: CGRect) {
super.init(frame: frame)
posts = Posts()
commitint()
tableView.register(UITableViewCell.self, forCellReuseIdentifier: "newsfeedcell")
tableView.dataSource = self
tableView.delegate = self
}
If it's not working than probably you have incorrect xib set up. You can reference to this article, it explains how to load UIView from xib quite detailed