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Platform Reference
Channel List
The
ChannelListViewController contains a simple TableView that shows a list of Channels. This section will only deal with the essential functionality and not styling. Set up the
TableView like so in your viewDidLoad:1
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// This is the data backing the TableView
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var channels = [ParticipatedChannel]()
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override func viewDidLoad() {
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super.viewDidLoad()
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// Get the AppDelegate which contains the Mitter object
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let appDelegate = UIApplication.shared.delegate as! AppDelegate
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// TableView setup
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...
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// Fetch the list of channels and display
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appDelegate.mitter.channels.getChannelsForCurrentUser {
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result in
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switch result {
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case .success(let fetchedChannels):
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self.channels = fetchedChannels
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print("Received all channels for logged in user")
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self.tableView.reloadData()
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case .error:
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print("Couldn't fetch all channels for logged in user")
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}
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}
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}
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To render the cell, modify the
UITableViewDelegate function as follows:1
func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
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// create a new cell if needed or reuse an old one
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let cell: UITableViewCell = self.tableView.dequeueReusableCell(withIdentifier: cellReuseIdentifier) as UITableViewCell!
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// set the text from the data model
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cell.textLabel?.text = self.channels[indexPath.row].channel.channelId
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return cell
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}
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To open the
ChannelWindowViewController on clicking a cell:1
func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
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let storyboard = UIStoryboard(name: "Main", bundle: nil)
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let channelWindowViewController = storyboard.instantiateViewController(withIdentifier: "channelWindowView") as! ChannelWindowViewController
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channelWindowViewController.channelId = channels[indexPath.row].channel.channelId
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navigationController!.pushViewController(channelWindowViewController, animated: true)
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}
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Last modified 3yr ago
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