From a609d13ff3c5f4b58b286dbb9419fc9670799c99 Mon Sep 17 00:00:00 2001
From: AceSL <1093788164@qq.com>
Date: Sat, 21 Nov 2020 01:08:42 +0000
Subject: [PATCH] first commit

---
 MyCircleView/MyCircleView.m |  291 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++-
 1 files changed, 285 insertions(+), 6 deletions(-)

diff --git a/MyCircleView/MyCircleView.m b/MyCircleView/MyCircleView.m
index 0dde152..ba1fa94 100644
--- a/MyCircleView/MyCircleView.m
+++ b/MyCircleView/MyCircleView.m
@@ -8,14 +8,293 @@
 
 #import "MyCircleView.h"
 
+@interface MyCircleView ()
+
+@property (nonatomic, strong) NSTimer * labelTimer;
+@property (nonatomic, strong) UIView * centerView;
+@property (nonatomic, strong) UILabel * numLabel;
+@property (nonatomic, strong) UILabel * textLabel;
+@property (nonatomic, strong) UILabel * valueLabel;
+
+@property (nonatomic, assign) CGFloat progressFlag;
+@property (nonatomic, assign) NSInteger progressValue;
+
+@property (nonatomic, strong) CAShapeLayer * borderLayer;     //虚线
+@property (nonatomic, strong) CAShapeLayer * backgroundLine;  //进度条背景
+@property (nonatomic, strong) CAShapeLayer * mainLine;        //进度条
+@property (nonatomic, strong) CAShapeLayer * maskLayer;       //遮罩层
+@property (nonatomic, strong) CAGradientLayer * rightGrain;   //渐变layer
+@property (nonatomic, strong) CAGradientLayer * leftGrain;    //渐变layer
+
+@property (nonatomic, strong) CABasicAnimation * pathAnimation;//加载动画
+
+@property (nonatomic, strong) UIBezierPath * borderPath;       //虚线路径
+@property (nonatomic, strong) UIBezierPath * bezierPath;       //进度条路径
+
+@end
+
 @implementation MyCircleView
 
-/*
-// Only override drawRect: if you perform custom drawing.
-// An empty implementation adversely affects performance during animation.
-- (void)drawRect:(CGRect)rect {
-    // Drawing code
+- (instancetype)initWithFrame:(CGRect)frame
+{
+    self = [super initWithFrame:frame];
+    if (self) {
+        
+        _strokelineWidth = 6;
+        
+        //外层虚线
+        [self.layer addSublayer:self.borderLayer];
+        self.borderLayer.path = self.borderPath.CGPath;
+        
+        //进度条
+        [self.layer addSublayer:self.backgroundLine];
+        [self.layer addSublayer:self.mainLine];
+        self.backgroundLine.path = self.bezierPath.CGPath;
+        self.mainLine.path = self.bezierPath.CGPath;
+        
+        //添加渐变色
+        [self.layer addSublayer:self.maskLayer];
+        [self.maskLayer addSublayer:self.rightGrain];
+        [self.maskLayer addSublayer:self.leftGrain];
+        [self.maskLayer setMask:self.mainLine];
+        
+        [self addSubview:self.centerView];
+    }
+    
+    return self;
 }
-*/
+
+- (void)circleWithProgress:(NSInteger)progress value:(CGFloat)value
+{
+    _progressFlag = 0;
+    _progressValue = progress;
+
+    //进度条添加动画
+    self.pathAnimation.duration = progress/100.0f;
+    self.pathAnimation.toValue = [NSNumber numberWithFloat:progress/100.f];
+    [self.mainLine addAnimation:self.pathAnimation forKey:@"strokeEndAnimation"];
+
+    //添加文字内容
+    _valueLabel.text = [NSString stringWithFormat:@"%.1fGB/128GB", value];
+
+    if (progress > 0){
+        dispatch_async(dispatch_get_global_queue(0, 0), ^{
+            self->_labelTimer = [NSTimer scheduledTimerWithTimeInterval:0.01 target:self selector:@selector(NameLbChange) userInfo:nil repeats:YES];
+            [[NSRunLoop currentRunLoop] run];
+        });
+    }
+}
+
+#pragma mark - timer methods -
+
+- (void)NameLbChange
+{
+    dispatch_async(dispatch_get_main_queue(), ^{
+        self->_numLabel.attributedText = [self labelStytle:self->_progressFlag];
+    });
+    
+    _progressFlag += 1;
+    
+    if (_progressFlag > _progressValue) {
+        [_labelTimer invalidate];
+        _labelTimer = nil;
+    }
+}
+
+- (NSMutableAttributedString *)labelStytle:(NSInteger)value
+{
+    if (value > _progressValue) {
+        value = _progressValue;
+    }
+    
+    NSString * pace = [NSString stringWithFormat:@"%ld%@", value, @"%"];
+    NSMutableAttributedString * pace1 = [[NSMutableAttributedString alloc] initWithString:pace];
+    [pace1 addAttribute:NSFontAttributeName value:[UIFont systemFontOfSize:40] range:NSMakeRange(0, pace.length - 1)];
+    [pace1 addAttribute:NSFontAttributeName value:[UIFont boldSystemFontOfSize:20] range:NSMakeRange(pace.length - 1, 1)];
+    NSRange titleRange = NSMakeRange(0, pace.length);
+    [pace1 addAttribute:NSForegroundColorAttributeName
+                  value:[UIColor whiteColor]
+                  range:titleRange];
+    return pace1;
+}
+
+
+#pragma mark - lazy -
+
+- (UIView *)centerView
+{
+    if (!_centerView) {
+        _centerView = [[UIView alloc] initWithFrame:CGRectMake(0, 0, self.bounds.size.width - _strokelineWidth*2 - 30, self.bounds.size.width - _strokelineWidth*2 - 30)];
+        _centerView.center = CGPointMake(self.bounds.size.width/2, self.bounds.size.height/2);
+        _centerView.backgroundColor = [UIColor colorWithRed:85/255.0 green:172/255.0 blue:234/255.0 alpha:1.0];
+        _centerView.layer.masksToBounds = YES;
+        _centerView.layer.cornerRadius = (self.bounds.size.width - _strokelineWidth*2 - 30) / 2;
+        
+        [_centerView addSubview:self.numLabel];
+        [_centerView addSubview:self.textLabel];
+        [_centerView addSubview:self.valueLabel];
+    }
+    
+    return _centerView;
+}
+
+- (UILabel *)valueLabel
+{
+    if (!_valueLabel) {
+        _valueLabel = [[UILabel alloc] initWithFrame:CGRectMake(0, _centerView.bounds.size.height/2 + 40, _centerView.bounds.size.width, 14)];
+        _valueLabel.text = @"40GB/128GB";
+        _valueLabel.textColor = [UIColor whiteColor];
+        _valueLabel.backgroundColor = [UIColor clearColor];
+        _valueLabel.textAlignment = NSTextAlignmentCenter;
+        _valueLabel.font = [UIFont systemFontOfSize:14];
+    }
+    
+    return _valueLabel;
+}
+
+- (UILabel *)textLabel
+{
+    if (!_textLabel) {
+        _textLabel = [[UILabel alloc] initWithFrame:CGRectMake(0, _centerView.bounds.size.height/2 - 40 - 12, _centerView.bounds.size.width, 12)];
+        _textLabel.text = @"已使用";
+        _textLabel.textColor = [UIColor whiteColor];
+        _textLabel.backgroundColor = [UIColor clearColor];
+        _textLabel.textAlignment = NSTextAlignmentCenter;
+        _textLabel.font = [UIFont systemFontOfSize:12];
+    }
+    
+    return _textLabel;
+}
+
+- (UILabel *)numLabel
+{
+    if(!_numLabel) {
+        _numLabel = [[UILabel alloc] initWithFrame:CGRectMake(0, 0, _centerView.bounds.size.width, 40)];
+        _numLabel.center = CGPointMake(_centerView.bounds.size.width/2, _centerView.bounds.size.height/2);
+        _numLabel.textAlignment = NSTextAlignmentCenter;
+        _numLabel.backgroundColor = [UIColor clearColor];
+        _numLabel.font = [UIFont boldSystemFontOfSize:40];
+        _numLabel.textColor = [UIColor whiteColor];
+        _numLabel.text = @"0";
+    }
+    
+    return _numLabel;
+}
+
+- (CAShapeLayer *)borderLayer
+{
+    if (!_borderLayer) {
+        _borderLayer = [[CAShapeLayer alloc] init];
+        _borderLayer.fillColor = [UIColor clearColor].CGColor;
+        _borderLayer.strokeColor = [UIColor colorWithRed:85/255.0 green:172/255.0 blue:234/255.0 alpha:1.0].CGColor;
+        _borderLayer.lineWidth = 2.f;
+        _borderLayer.lineCap = @"round";
+        _borderLayer.lineDashPattern = @[@2, @4];
+    }
+    
+    return _borderLayer;
+}
+
+- (CAShapeLayer *)backgroundLine
+{
+    if(!_backgroundLine) {
+        _backgroundLine = [[CAShapeLayer alloc] init];
+        _backgroundLine.fillColor = [UIColor clearColor].CGColor;
+        _backgroundLine.strokeColor = [UIColor colorWithRed:85/255.0 green:172/255.0 blue:234/255.0 alpha:1.0].CGColor;
+        _backgroundLine.lineWidth = _strokelineWidth;
+    }
+    
+    return _backgroundLine;
+}
+
+- (CAShapeLayer *)mainLine
+{
+    if(!_mainLine) {
+        _mainLine = [[CAShapeLayer alloc] init];
+        _mainLine.fillColor = [UIColor clearColor].CGColor;
+        _mainLine.strokeColor = [UIColor whiteColor].CGColor;
+        _mainLine.lineWidth = _strokelineWidth;
+        _mainLine.lineCap = @"round";
+        _mainLine.strokeStart = 0.01;
+    }
+    
+    return _mainLine;
+}
+
+- (CAShapeLayer *)maskLayer
+{
+    if (!_maskLayer) {
+        _maskLayer = [CAShapeLayer layer];
+    }
+    
+    return _maskLayer;
+}
+
+- (CAGradientLayer *)rightGrain
+{
+    if(!_rightGrain) {
+        _rightGrain = [[CAGradientLayer alloc] init];
+        _rightGrain.frame = CGRectMake(self.bounds.size.width/2, 0, self.bounds.size.width/2, self.bounds.size.height);
+        [_rightGrain setColors:[NSArray arrayWithObjects:
+                           (id)[[UIColor colorWithRed:255/255.0 green:255/255.0 blue:255/255.0 alpha:1.0] CGColor],
+                           (id)[[UIColor colorWithRed:255/255.0 green:255/255.0 blue:255/255.0 alpha:1.0] CGColor],
+                           nil]];
+        [_rightGrain setLocations:@[@0, @1.0]];
+        [_rightGrain setStartPoint:CGPointMake(0.5, 0)];
+        [_rightGrain setEndPoint:CGPointMake(0.5, 1)];
+        _rightGrain.type = kCAGradientLayerAxial;
+    }
+    
+    return _rightGrain;
+}
+
+- (CAGradientLayer *)leftGrain
+{
+    if (!_leftGrain) {
+        _leftGrain = [[CAGradientLayer alloc] init];
+        _leftGrain.frame = CGRectMake(0, 0, self.bounds.size.width/2, self.bounds.size.height);
+        [_leftGrain setColors:[NSArray arrayWithObjects:
+                           (id)[[UIColor colorWithRed:255/255.0 green:255/255.0 blue:255/255.0 alpha:1.0] CGColor],
+                           (id)[[UIColor colorWithRed:255/255.0 green:0/255.0 blue:0/255.0 alpha:1.0] CGColor],
+                           nil]];
+        [_leftGrain setLocations:@[@0.5, @1.0]];
+        [_leftGrain setStartPoint:CGPointMake(0.5, 1)];
+        [_leftGrain setEndPoint:CGPointMake(0.5, 0)];
+        _leftGrain.type = kCAGradientLayerAxial;
+    }
+    
+    return _leftGrain;
+}
+
+- (CABasicAnimation *)pathAnimation
+{
+    if (!_pathAnimation) {
+        _pathAnimation = [CABasicAnimation animationWithKeyPath:@"strokeEnd"];
+        _pathAnimation.timingFunction = [CAMediaTimingFunction functionWithName:kCAMediaTimingFunctionLinear];
+        _pathAnimation.fromValue = [NSNumber numberWithFloat:0.0f];
+        _pathAnimation.fillMode = kCAFillModeForwards;
+        _pathAnimation.removedOnCompletion = NO;
+    }
+    
+    return _pathAnimation;
+}
+
+- (UIBezierPath *)borderPath
+{
+    if (!_borderPath) {
+        _borderPath = [UIBezierPath bezierPathWithArcCenter:CGPointMake(self.bounds.size.width/2, self.bounds.size.width/2) radius:self.bounds.size.width/2 startAngle:-M_PI_2 endAngle:-M_PI_2 + M_PI*2 clockwise:YES];
+    }
+    
+    return _borderPath;
+}
+
+- (UIBezierPath *)bezierPath
+{
+    if (!_bezierPath) {
+        _bezierPath = [UIBezierPath bezierPathWithArcCenter:CGPointMake(self.bounds.size.width/2, self.bounds.size.height/2) radius:self.bounds.size.width/2 - _strokelineWidth - 4 startAngle:-M_PI_2 endAngle:-M_PI_2 + M_PI*2 clockwise:YES];
+    }
+    
+    return _bezierPath;
+}
 
 @end

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