初学Swift之UI控件------UIProgressView

最新推荐文章于 2023-09-12 12:04:38 发布

王小二1204

最新推荐文章于 2023-09-12 12:04:38 发布

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分类专栏： swift 文章标签： timer UIProgressView swift

本文链接：https://blog.youkuaiyun.com/qq_34947883/article/details/102398806

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属性介绍
- progressViewStyle：样式属性
  - .default:默认样式
  - .bar：工具条样式
- progress:当前进度，范围在0-1.
- progressTintColor：已完成进度的颜色
- progressImage:已完成进度的图片
- trackImage:进度条背景颜色
代码实战

    /**
     创建progressView
     */
    func createProgressView(){
        let  progress = UIProgressView()
        progress.frame = CGRect(x: 50, y: 250, width: screenWidth-100, height: 200)
       
        progress.progressViewStyle = .bar
        progress.progress = 30
        progress.progressTintColor = #colorLiteral(red: 0.6000000238, green: 0.6000000238, blue: 0.6000000238, alpha: 1)
        progress.progressImage = UIImage(named: "bg")
        progress.trackImage = UIImage(named: "bg2")
        self.view.addSubview(progress)
       
        var progressValue:Float = 0.0
        
        //创建计时器
        let timer = Timer.scheduledTimer(withTimeInterval: 0.5, repeats: true, block: { (Timer) in
            if progressValue < 1{
                progressValue += 1/100
            }else {
                progressValue = 1.0
                self.timer.fireDate = Date.distantFuture
            }
            self.progress.progress = progressValue
        })
    }