【发布时间】：2020-04-13 00:34:31
【问题描述】：
我有一个 UICollectionView 嵌套在 UITableViewCell 中。每个 tableviewcell section 内部的 collectionview 应该根据 section 返回不同的数据。这是我的代码：
ViewController.swift
class ViewController: UIViewController, UITableViewDelegate, UITableViewDataSource, UISearchBarDelegate {
var categoryKeys: [String]?
let network = MediaNetworking()
@IBOutlet weak var tableView: UITableView!
override func viewDidLoad() {
super.viewDidLoad()
// Do any additional setup after loading the view.
// fetch data
network.fetchMedia()
tableView.delegate = self
tableView.dataSource = self
print("hello world")
}
func numberOfSections(in tableView: UITableView) -> Int {
self.categoryKeys = network.categoryKeys
return self.categoryKeys!.count
}
func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
return 1
}
func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
let cell = tableView.dequeueReusableCell(withIdentifier: "Cell", for: indexPath) as! SectionTableViewCell
cell.theArray = network.sharedArray
cell.accessArray = network.accessArray
cell.backgroundColor = .purple
return cell
}
func tableView(_ tableView: UITableView, titleForHeaderInSection section: Int) -> String? {
self.categoryKeys = network.categoryKeys
return self.categoryKeys?[section]
}
func tableView(_ tableView: UITableView, heightForRowAt indexPath: IndexPath) -> CGFloat {
return 300
}
}
SectionTableViewCell.swift
class SectionTableViewCell: UITableViewCell, UICollectionViewDelegate, UICollectionViewDataSource, UICollectionViewDelegateFlowLayout {
var categoryKeys: [String]?
var theArray: [String: [Entity]]?
var accessArray: [Entity]?
@IBOutlet weak var collectionView: UICollectionView!
override func awakeFromNib() {
super.awakeFromNib()
// Initialization code
collectionView.delegate = self
collectionView.dataSource = self
}
override func setSelected(_ selected: Bool, animated: Bool) {
super.setSelected(selected, animated: animated)
// Configure the view for the selected state
}
func numberOfSections(in collectionView: UICollectionView) -> Int {
return 1
}
func collectionView(_ collectionView: UICollectionView, numberOfItemsInSection section: Int) -> Int {
return accessArray!.count
}
func collectionView(_ collectionView: UICollectionView, cellForItemAt indexPath: IndexPath) -> UICollectionViewCell {
let cell = collectionView.dequeueReusableCell(withReuseIdentifier: "cell", for: indexPath) as! MediaCollectionViewCell
cell.artistLabel.text = accessArray![indexPath.row].name
return cell
}
func collectionView(_ collectionView: UICollectionView, viewForSupplementaryElementOfKind kind: String, at indexPath: IndexPath) -> UICollectionReusableView {
if kind == UICollectionView.elementKindSectionHeader {
let sectionHeader = collectionView.dequeueReusableSupplementaryView(ofKind: kind, withReuseIdentifier: "SectionHeaderView", for: indexPath) as! SectionHeaderView
if indexPath.section < categoryKeys!.count {
let category = categoryKeys![indexPath.section]
sectionHeader.categoryLabel.text = category
}
return sectionHeader
}
return UICollectionReusableView()
}
func collectionView(_ collectionView: UICollectionView, layout collectionViewLayout: UICollectionViewLayout, sizeForItemAt indexPath: IndexPath) -> CGSize {
return CGSize(width: 400, height: 300)
}
}
现在所有的 collectionview 单元格都返回相同的值。关于我可能遗漏的任何想法？..
【问题讨论】：
标签： ios swift uitableview multidimensional-array uicollectionview