我正在创建一个Tableview,其中包含Tableviewcell,在每个单元格上都有一个标签和一个声音按钮。对于每个标签,点击按钮会发出声音。当我第一次单击btn1时,声音播放并且按钮图像更改为“暂停”,当我再次单击同一按钮时,声音停止并且图像更改为“播放”,以这种方式完美地工作,但是当我第一次单击一个按钮(比如btn1)而不再次单击它(停止声音),然后单击btn2时,btn1的声音停止了,btn1和btn2的图像也没有更改。我希望当我单击btn2、3或4时,先前的声音应该停止,之前的按钮图像(除了当前按钮)应该更改为“播放”,当前单击的按钮应该更改为“暂停”,之前单击的声音应该停止,当前单击的声音应该播放。
import UIKit
class TableViewCell: UITableViewCell {
@IBOutlet weak var titleLable: UILabel!
@IBOutlet weak var sound: UIButton!
override func awakeFromNib() {
super.awakeFromNib()
}
class ViewController: UIViewController , UITableViewDataSource , UITableViewDelegate , GADInterstitialDelegate {
var countsNumberOfButtonClicks = 0
var countsNumberOfInfoBtnClicks = 0
var isFirstTime = false
var player : AVAudioPlayer! = nil
var titleAlert: String!
@IBOutlet weak var myTableView: UITableView!
var toggleState = 1
func tableView(tableView: UITableView, cellForRowAtIndexPath indexPath: NSIndexPath) -> UITableViewCell.
{
let myCell = self.myTableView.dequeueReusableCellWithIdentifier("myCell", forIndexPath: indexPath) as! TableViewCell
myCell.titleLable.text = self.Duck[indexPath.row]
myCell.sound.tag = indexPath.row
myCell.sound.addTarget(self, action: #selector(self.playSound), forControlEvents: .TouchUpInside)
return myCell
}
@IBAction func playSound(sender: UIButton) {
if toggleState == 1 {
let fullName: String = self.Duck[sender.tag]
let fullNameArr = fullName.componentsSeparatedByString(" ")
let path = NSBundle.mainBundle().pathForResource(fullNameArr[0], ofType:"wav", inDirectory: "sounds")
let fileURL = NSURL(fileURLWithPath: path!)
do {
player = try AVAudioPlayer(contentsOfURL: fileURL)
player.prepareToPlay()
} catch {
print("Problem in getting File")
}
player.play()
sender.setImage(UIImage(named: "pause.png"), forState: UIControlState.Normal)
print("toggle state 1")
toggleState = 2
}
else {
player.pause()
toggleState = 1
sender.setImage(UIImage(named: "play.png"), forState: UIControlState.Normal)
print("Toggle state else")
}
(it技术相关内容)