UISearchDisplayController

//
//  FirstViewController.swift
//  SearchDisplayDemo
//
//  Created by Bruce Lee on 24/12/14.
//  Copyright (c) 2014 Dynamic Cell. All rights reserved.
//

import UIKit

class FirstViewController: UIViewController, UITableViewDelegate, UITableViewDataSource, UISearchDisplayDelegate, UISearchBarDelegate {

    @IBOutlet weak var tableView: UITableView!
    var searchBar: UISearchBar!
    var searchController: UISearchDisplayController!
    var maskView: UIVisualEffectView!

    override func viewDidLoad() {
        super.viewDidLoad()

        self.searchBar = UISearchBar(frame: CGRectMake(0, 0, UIScreen.mainScreen().bounds.width, 44))
        searchBar.delegate = self;
        self.tableView.tableHeaderView = self.searchBar
        self.searchController = UISearchDisplayController(searchBar: self.searchBar, contentsController: self)
        self.searchController.delegate = self
        var blurEffect = UIBlurEffect(style: .Light)
        maskView = UIVisualEffectView(effect: blurEffect)
        maskView.frame = UIScreen.mainScreen().bounds

        var testLabel = UILabel(frame: CGRectMake(100, 100, 100, 30))
        testLabel.text = "hello world"
        maskView.addSubview(testLabel)
    }

    // MARK: - UISearchBar delegate
    func searchBarShouldBeginEditing(searchBar: UISearchBar) -> Bool {
        println("search")
//        self.searchDisplayController?.searchResultsTableView.backgroundView = searchBackgroundView
        self.view.addSubview(maskView)
        return true
    }

    // MARK: - UISearchDisplayController delegate
    func searchDisplayController(controller: UISearchDisplayController, willHideSearchResultsTableView tableView: UITableView) {
        maskView.removeFromSuperview()
    }

    func searchDisplayControllerWillEndSearch(controller: UISearchDisplayController) {
        println("1")
        maskView.removeFromSuperview()
    }

    func searchDisplayControllerDidEndSearch(controller: UISearchDisplayController) {
        println("2")
    }

    // MARK: - UITableView delegate & datasour

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

    func tableView(tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
        return 10
    }

    func tableView(tableView: UITableView, cellForRowAtIndexPath indexPath: NSIndexPath) -> UITableViewCell {
        var cell = tableView.dequeueReusableCellWithIdentifier("Cell") as? UITableViewCell
        if cell == nil {
            cell = UITableViewCell(style: .Default, reuseIdentifier: "Cell")
        }
        if indexPath.row % 2 == 0{
            cell?.contentView.backgroundColor = UIColor.blueColor()
        }
        else{
            cell?.contentView.backgroundColor = UIColor.greenColor()
        }
        cell?.textLabel?.text = "\(indexPath.row)"

        return cell!
    }

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

欢迎加群互相学习，共同进步。QQ群：iOS: 58099570 | Android: 330987132 | Go：217696290 | Python：336880185 | 做人要厚道，转载请注明出处！http://www.cnblogs.com/sunshine-anycall/p/4183777.html