UI<08>

//声明对象
@property (nonatomic,strong) UIProgressView *progressview;
 
 self.progressview = [[UIProgressView alloc] init];
    //设置属性
    self.progressview.backgroundColor = [UIColor grayColor];
    self.progressview.alpha = 0.8;
    self.progressview.frame = CGRectMake((self.view.frame.size.width-150)/2.0,self.view.frame.size.height/2.0, 150, 2);
    //设置风格
    self.progressview.progressViewStyle = UIProgressViewStyleDefault;
    //设置当前进度(0~1)float 类型
    self.progressview.progress = 0.7;
    //显示填充部分颜色
    self.progressview.progressTintColor = [UIColor blueColor];
    //显示未填充部分的颜色
    self.progressview.trackTintColor = [UIColor greenColor];
    //设置填充进度条的部分的图像
    //[self.progressview setProgressImage:[UIImage imageNamed:@""]];
    //未填充的轨道部分的图像
    //[self.progressview setTrackImage:[UIImage imageNamed:@""]];
 
    [self.view addSubview:self.progressview];
 
原文地址:https://www.cnblogs.com/iQingYang/p/6689677.html