自定义UIProgressView

自定义CustomporgressView

#import <UIKit/UIKit.h>

@interface CustomporgressView : UIView
@property(nonatomic,assign)int step;
//allCount一共几个节点  step当前节点
-(instancetype)initWithFrame:(CGRect)frame withCount:(int)allCount withCurrentStep:(int)step;
@end

#import "CustomporgressView.h"

#define TintColor [UIColor redColor]
#define TrackTintColor [UIColor lightGrayColor]
@interface CustomporgressView()
//进度条
@property(nonatomic,strong)UIProgressView *progressView;
//当前指示器
@property(nonatomic,strong)UILabel *indicatorLabel;
//圆点数组
@property(nonatomic,strong)NSMutableArray *mCircleArr;

@end

@implementation CustomporgressView

-(instancetype)initWithFrame:(CGRect)frame withCount:(int)allCount withCurrentStep:(int)step{
    self = [super initWithFrame:frame];
    if(self){
        self.progressView = [[UIProgressView alloc]initWithFrame:CGRectMake(0, 0, frame.size.width*0.8, 0)];
        self.progressView.center = self.center;
        self.progressView.progressTintColor = TintColor;
        self.progressView.trackTintColor = TrackTintColor;
        [self addSubview:self.progressView];

        self.mCircleArr = [NSMutableArray array];
        float width = self.progressView.frame.size.width/(allCount-1);
        for(int i=0;i<allCount;i++){
            UIView *circleView = [[UIView alloc]initWithFrame:CGRectMake(0, 0, 12, 12)];
            circleView.center = CGPointMake(i * width,0);
            circleView.clipsToBounds = YES;
            circleView.layer.cornerRadius = 6.0f;

            [self.progressView addSubview:circleView];
            [self.mCircleArr addObject:circleView];
        }
        [self.progressView addSubview:self.indicatorLabel];
        self.step = step;
    }
    return self;
}
-(UILabel *)indicatorLabel{
    if(!_indicatorLabel){
        _indicatorLabel = [[UILabel alloc]initWithFrame:CGRectMake(0, 0, 20, 20)];
        _indicatorLabel.textAlignment = NSTextAlignmentCenter;
        _indicatorLabel.textColor = TintColor;
        _indicatorLabel.layer.borderWidth = 1.0f;
        _indicatorLabel.layer.cornerRadius = 12;
         _indicatorLabel.layer.borderColor = TintColor.CGColor;
        _indicatorLabel.backgroundColor = [UIColor whiteColor];
    }
    return _indicatorLabel;
}

-(void)setStep:(int)step{
    //超过数组边界
    if(step >= self.mCircleArr.count){
        return;
    }
    _step = step;

    for(int i=0;i<self.mCircleArr.count;i++){
        UIView *circleView = self.mCircleArr[i];
        if(i < step){
            circleView.backgroundColor = TintColor;
        }else{
            circleView.backgroundColor = TrackTintColor;
        }
    }

    float width = self.progressView.frame.size.width/(self.mCircleArr.count-1);
    self.indicatorLabel.center = CGPointMake(width * step, 0);
    [ self.progressView setProgress:step*1.0/(self.mCircleArr.count-1)];
    _indicatorLabel.text = [NSString stringWithFormat:@"%d",step+1];

}

@end

使用：

 CustomporgressView *customProgress = [[CustomporgressView alloc]initWithFrame:CGRectMake(0, 0, self.view.bounds.size.width-10, 50) withCount:5 withCurrentStep:2];
[view addSubview:customProgress];