【UIProgressView进度条控件】

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 //创建进度条控件

    progress=[[UIProgressView alloc]initWithFrame:CGRectMake(0, 40, 320,1)];

    //设置进度条轨迹颜色 相当于背景颜色

    progress.trackTintColor=[UIColor blackColor];

    //设置进度条颜色

    progress.progressTintColor=[UIColor redColor];

    //定义空条状态为0 满条状态为1

    flag=NO;

    

    //添加按钮

    UIButton *btn=[[UIButton alloc]initWithFrame:CGRectMake(0, 100, 320,60)];

    btn.backgroundColor=[UIColor greenColor];

    [btn setTitle:@"走两步" forState:UIControlStateNormal];

    

    //添加动作

    [btn addTarget:self action:@selector(walkTap) forControlEvents:UIControlEventTouchUpInside];

    [self.window addSubview:btn];

    

    [self.window addSubview:progress];

    return YES;

}

//

-(void)walkTap

{

    if(flag==NO)

    {

        progress.progress+=0.1;

        if( progress.progress==1)

        {

            flag=YES;

        }

    }

    else{

        progress.progress-=0.1;

        if( progress.progress==0)

        {

            flag=NO;

        }

    }

}

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转载自blog.csdn.net/winer888/article/details/48262039