1,创建进度条
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var progressView=UIProgressView(progressViewStyle:UIProgressViewStyle.Default)progressView.center=self.view.centerprogressView.progress=0.5 //默认进度50%self.view.addSubview(progressView); |
2,设置进度,同时有动画效果
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progressView.setProgress(0.8,animated:true) |
3,改变进度条颜色
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progressView.progressTintColor=UIColor.greenColor() //已有进度颜色progressView.trackTintColor=UIColor.blueColor() //剩余进度颜色(即进度槽颜色) |