Use the Facebook open-source fbshimmering to encapsulate the shimmecircleview in progress.

Use the Facebook open-source fbshimmering to encapsulate the shimmecircleview in progress.

:

Static graph:

Source code:

Shimmecircleview. h and shimmecircleview. m

////  ShimmeCircleView.h//  YouXianMingClock////  Created by YouXianMing on 14-10-13.//  Copyright (c) 2014年 YouXianMing. All rights reserved.//#import <UIKit/UIKit.h>@interface ShimmeCircleView : UIView/** *  时候开启闪光效果，默认是 NO */@property (nonatomic, assign) BOOL             shimmering;/** *  当 shimmering 开启时，进入到闪光状态中的动画时间，默认值是 0.3. */@property (nonatomic, assign) CFTimeInterval   shimmeringBeginFadeDuration;/** *  当 shimmering 结束时，从闪光动画退出到正常的时间，默认值是 0.3. */@property (nonatomic, assign) CFTimeInterval   shimmeringEndFadeDuration;/** *  The opacity of the content before it is shimmering. Defaults to 0.3. */@property (nonatomic, assign) CGFloat          shimmeringOpacity;/** *  The time interval between shimmerings in seconds. Defaults to 0.6. */@property (nonatomic, assign) CFTimeInterval   shimmeringPauseDuration;/** *  圆的颜色，默认为红色 */@property (nonatomic, assign) UIColor         *shapeColor;/** *  圆的线宽度，默认为1 */@property (nonatomic, assign) CGFloat          shapeLineWidth;/** *  动画时间间隔 */@property (nonatomic, assign) CFTimeInterval   strokeAnimationDuration;/** *  更新shapeLayer(修改后必须更新path才能够生效) */- (void)updateShapeLayer;- (void)doPOPBasicEndAnimationToValue:(CGFloat)value;- (void)doPOPBasicStartAnimationToValue:(CGFloat)value;@end

////  ShimmeCircleView.m//  YouXianMingClock////  Created by YouXianMing on 14-10-13.//  Copyright (c) 2014年 YouXianMing. All rights reserved.//#import "ShimmeCircleView.h"#import "FBShimmering.h"#import "FBShimmeringLayer.h"#import "FBShimmeringView.h"#import "POP.h"/** *  将角度转换为弧度 * *  @param d 角度 * *  @return 弧度 */#define DEGREES__TO__RADIANS(d)  ((d) * M_PI / 180.f)@interface ShimmeCircleView (){    CAShapeLayer       *_shapeLayer; // 形状的layer    FBShimmeringLayer  *_showLayer;  // 辉光的layer}@end@implementation ShimmeCircleView- (instancetype)initWithFrame:(CGRect)frame{    self = [super initWithFrame:frame];    if (self) {        // 创建FBShimmeringLayer        if (_showLayer == nil) {            _showLayer                             = [FBShimmeringLayer new];            _showLayer.frame                       = self.bounds;            _showLayer.position                    = self.center;            _showLayer.shimmering                  = NO;          // 默认设置关闭            _showLayer.shimmeringBeginFadeDuration = 0.3;         // 开始进入闪光时候的时间            _showLayer.shimmeringEndFadeDuration   = 0.3;         // 从闪光进入没有闪光时候的时间            _showLayer.shimmeringOpacity           = 0.3;            _showLayer.shimmeringPauseDuration     = 0.6f;            [self.layer addSublayer:_showLayer];        }                // 制造形状的layer        if (_shapeLayer == nil) {            _shapeLayer             = [CAShapeLayer layer];            _shapeLayer.lineWidth   = 1.f;            _shapeLayer.strokeEnd   = 0.f;            _shapeLayer.strokeColor = [UIColor redColor].CGColor;            _shapeLayer.fillColor   = [UIColor clearColor].CGColor;   // 设置填充颜色为透明            _shapeLayer.path        = [self createCirclePath].CGPath;            _showLayer.contentLayer = _shapeLayer;        }    }    return self;}- (void)updateShapeLayer{    if (_shapeColor) {        _shapeLayer.strokeColor = _shapeColor.CGColor;    }        if (_shapeLineWidth > 0) {        _shapeLayer.lineWidth = _shapeLineWidth;        _shapeLayer.path      = [self createCirclePath].CGPath; // 更新path    }}- (void)doPOPBasicEndAnimationToValue:(CGFloat)value{    [self doStrokeEndAnimationFromValue:_shapeLayer.strokeEnd                                toValue:value                             shapeLayer:_shapeLayer                               duration:(_strokeAnimationDuration > 0 ? _strokeAnimationDuration : 0.4f)                     timingFunctionName:nil];}- (void)doPOPBasicStartAnimationToValue:(CGFloat)value{    [self doStrokeStartAnimationFromValue:_shapeLayer.strokeStart                                  toValue:value                               shapeLayer:_shapeLayer                                 duration:(_strokeAnimationDuration > 0 ? _strokeAnimationDuration : 0.4f)                       timingFunctionName:nil];}/** *  根据frame值创建圆形的贝塞尔曲线 * *  @return 圆形的贝塞尔曲线 */- (UIBezierPath *)createCirclePath{    UIBezierPath *path =         [UIBezierPath bezierPathWithArcCenter:CGPointMake(self.bounds.size.height / 2.f,                                                          self.bounds.size.width / 2.f)                                       radius:self.bounds.size.height / 2.f - _shapeLayer.lineWidth / 2.f                                   startAngle:DEGREES__TO__RADIANS(-90)                                     endAngle:DEGREES__TO__RADIANS(270)                                    clockwise:YES];        return path;}#pragma mark - 重写各种setter方法/** *  重写shimmering的setter，getter方法 */@synthesize shimmering = _shimmering;- (BOOL)shimmering {    return _shimmering;}- (void)setShimmering:(BOOL)shimmering {    _shimmering = shimmering;    _showLayer.shimmering = shimmering;}/** *  重写shimmeringBeginFadeDuration的setter，getter方法 */@synthesize shimmeringBeginFadeDuration = _shimmeringBeginFadeDuration;- (CFTimeInterval)shimmeringBeginFadeDuration {    return _shimmeringBeginFadeDuration;}- (void)setShimmeringBeginFadeDuration:(CFTimeInterval)shimmeringBeginFadeDuration {    _shimmeringBeginFadeDuration = shimmeringBeginFadeDuration;    _showLayer.shimmeringBeginFadeDuration = shimmeringBeginFadeDuration;}/** *  重写shimmeringEndFadeDuration的setter，getter方法 */@synthesize shimmeringEndFadeDuration = _shimmeringEndFadeDuration;- (CFTimeInterval)shimmeringEndFadeDuration {    return _shimmeringEndFadeDuration;}- (void)setShimmeringEndFadeDuration:(CFTimeInterval)shimmeringEndFadeDuration {    _shimmeringEndFadeDuration = shimmeringEndFadeDuration;    _showLayer.shimmeringEndFadeDuration = shimmeringEndFadeDuration;}/** *  重写shimmeringOpacity的setter，getter方法 */@synthesize shimmeringOpacity = _shimmeringOpacity;- (CGFloat)shimmeringOpacity {    return _shimmeringOpacity;}- (void)setShimmeringOpacity:(CGFloat)shimmeringOpacity {    _shimmeringOpacity = shimmeringOpacity;    _showLayer.shimmeringOpacity = shimmeringOpacity;}/** *  重写shimmeringPauseDuration的setter，getter方法 */@synthesize shimmeringPauseDuration = _shimmeringPauseDuration;- (CFTimeInterval)shimmeringPauseDuration {    return _shimmeringPauseDuration;}- (void)setShimmeringPauseDuration:(CFTimeInterval)shimmeringPauseDuration {    _shimmeringPauseDuration = shimmeringPauseDuration;    _showLayer.shimmeringPauseDuration = shimmeringPauseDuration;}#pragma mark - 私有方法/** *  StrokeEnd动画 * *  @param fromValue 初始值 *  @param toValue   结束值 *  @param layer     被动画的CAShapeLayer *  @param duration  动画时间 *  @param name      动画时间类型,可以选择的类型如下:kCAMediaTimingFunctionLinear kCAMediaTimingFunctionEaseIn kCAMediaTimingFunctionEaseOut kCAMediaTimingFunctionEaseInEaseOut kCAMediaTimingFunctionDefault */- (void)doStrokeEndAnimationFromValue:(CGFloat)fromValue                              toValue:(CGFloat)toValue                           shapeLayer:(CAShapeLayer *)layer                             duration:(CFTimeInterval)duration                   timingFunctionName:(NSString *)name{    POPBasicAnimation *pathAnimation = [POPBasicAnimation animationWithPropertyNamed:kPOPShapeLayerStrokeEnd];    pathAnimation.duration           = duration;    if (name) {        pathAnimation.timingFunction = [CAMediaTimingFunction functionWithName:name];    }    pathAnimation.fromValue          = [NSNumber numberWithFloat:fromValue];    pathAnimation.toValue            = [NSNumber numberWithFloat:toValue];    [layer pop_addAnimation:pathAnimation forKey:nil];}/** *  StrokeStart动画 * *  @param fromValue 初始值 *  @param toValue   结束值 *  @param layer     被动画的CAShapeLayer *  @param duration  动画时间 *  @param name      动画时间类型,可以选择的类型如下:kCAMediaTimingFunctionLinear kCAMediaTimingFunctionEaseIn kCAMediaTimingFunctionEaseOut kCAMediaTimingFunctionEaseInEaseOut kCAMediaTimingFunctionDefault */- (void)doStrokeStartAnimationFromValue:(CGFloat)fromValue                                toValue:(CGFloat)toValue                             shapeLayer:(CAShapeLayer *)layer                               duration:(CFTimeInterval)duration                     timingFunctionName:(NSString *)name{    POPBasicAnimation *pathAnimation = [POPBasicAnimation animationWithPropertyNamed:kPOPShapeLayerStrokeStart];    pathAnimation.duration           = duration;    if (name) {        pathAnimation.timingFunction = [CAMediaTimingFunction functionWithName:name];    }    pathAnimation.fromValue          = [NSNumber numberWithFloat:fromValue];    pathAnimation.toValue            = [NSNumber numberWithFloat:toValue];    [layer pop_addAnimation:pathAnimation forKey:nil];}@end

Note the following:

The usage details are as follows:

 

Use the Facebook open-source fbshimmering to encapsulate the shimmecircleview in progress.