ios - 带动画圆形旋转的进度条

#import <UIKit/UIKit.h>

@interface TJCircleProgressView : UIView
/**
* 图标
*/
@property(nonatomic,strong)UIImage *imgIcon;
/**
* 进度条值
*/
@property(nonatomic,assign)CGFloat progressValue;
/**
* 进度条宽度
*/
@property(nonatomic,assign)CGFloat progressWidth; /**
* 进度条颜色
*/
@property(nonatomic,strong)UIColor *progressColor; @end
#import "TJCircleProgressView.h"
@interface TJCircleProgressView ()
{
UIBezierPath *circlePath;//布赛尔曲线
CAShapeLayer *shapeLayer;// 圆形图层
CAShapeLayer *imgLayer;//图标图层 }
@end
@implementation TJCircleProgressView
@synthesize progressColor = _progressColor;
@synthesize imgIcon = _imgIcon;
@synthesize progressValue = _progressValue;
@synthesize progressWidth = _progressWidth; - (instancetype)initWithFrame:(CGRect)frame
{
if (self = [super initWithFrame:frame])
{
self.backgroundColor = [UIColor whiteColor];
circlePath = [UIBezierPath bezierPathWithOvalInRect:self.bounds]; shapeLayer = [CAShapeLayer layer];
shapeLayer.frame = self.bounds;
shapeLayer.strokeColor = [UIColor redColor].CGColor;
shapeLayer.fillColor = [UIColor clearColor].CGColor;
shapeLayer.path = circlePath.CGPath; shapeLayer.lineWidth = 1.0f;
[self.layer addSublayer:shapeLayer];
}
return self;
}
- (void)setImgIcon:(UIImage *)imgIcon
{
_imgIcon = imgIcon;
imgLayer = [CAShapeLayer layer];
imgLayer.frame = CGRectMake(, , imgIcon.size.width, imgIcon.size.height);
imgLayer.contents = (__bridge id)imgIcon.CGImage;
imgLayer.position = shapeLayer.position;
[self.layer addSublayer:imgLayer]; }
- (void)setProgressValue:(CGFloat)progressValue
{
_progressValue = progressValue;
shapeLayer.strokeEnd = progressValue;
[self startAnimation];
/**延时4秒后移除动画以及view*/
dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)( * NSEC_PER_SEC)), dispatch_get_main_queue(), ^{
[self stopAnimation];
});
}
- (void)setProgressWidth:(CGFloat)progressWidth
{
_progressWidth = progressWidth;
shapeLayer.lineWidth = progressWidth;
}
- (void)setProgressColor:(UIColor *)progressColor
{
_progressColor = progressColor;
shapeLayer.strokeColor = progressColor.CGColor;
}
-(void)startAnimation
{
[shapeLayer removeAnimationForKey:@"RotationAnimation"]; CABasicAnimation *animation = [CABasicAnimation animationWithKeyPath:@"transform.rotation.z"];
animation.fromValue = @();
animation.toValue = @(M_PI * );
animation.repeatCount = MAXFLOAT;
animation.duration = 0.5f;
animation.fillMode = kCAFillModeForwards; [shapeLayer addAnimation:animation forKey:@"RotationAnimation"];
}
- (void)stopAnimation
{
[shapeLayer removeAllAnimations];
[self removeFromSuperview];
}
@end
#import "ViewController.h"
#import "TJCircleProgressView.h"
@interface ViewController ()
{
TJCircleProgressView *circleProgressView;
}
@end @implementation ViewController - (void)viewDidLoad {
[super viewDidLoad];
circleProgressView = [[TJCircleProgressView alloc]initWithFrame:CGRectMake(,, , )];
circleProgressView.center = self.view.center;
[circleProgressView setProgressValue:0.75];
[circleProgressView setProgressColor:[UIColor grayColor]];
[circleProgressView setProgressWidth:1.0f];
[circleProgressView setImgIcon:[UIImage imageNamed:@"refresh"]];
[self.view addSubview:circleProgressView]; } - (void)didReceiveMemoryWarning {
[super didReceiveMemoryWarning];
// Dispose of any resources that can be recreated.
} @end

ps:licecap录取动画没录好

ios - 带动画圆形旋转的进度条

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