iOS 进度条、加载、安装动画

1、iOS 进度条、加载、安装动画下面贴上代码：控制器ViewController：#import <UIKit/UIKit.h>interface ViewController : UIViewControllerend/* -分割线- */#import "ViewController.h"#import "HWWaveView.h"#import "HWCircleView.h"#import "HWProgressView.h"#import "HWInstallView.h"i

2、nterface ViewController ()property (nonatomic, strong) NSTimer *timer;property (nonatomic, weak) HWWaveView *waveView;property (nonatomic, weak) HWCircleView *circleView;property (nonatomic, weak) HWProgressView *progressView;property (nonatomic, weak) HWInstallView *installView;endimplementation Vi

3、ewController- (void)viewDidLoad super viewDidLoad; /创建控件 self creatControl; /添加定时器 self addTimer;- (void)creatControl /波浪 HWWaveView *waveView = HWWaveView alloc initWithFrame:CGRectMake(30, 100, 150, 150); self.view addSubview:waveView; self.waveView = waveView; /圆圈 HWCircleView *circleView = HWCir

4、cleView alloc initWithFrame:CGRectMake(220, 100, 150, 150); self.view addSubview:circleView; self.circleView = circleView; /进度条 HWProgressView *progressView = HWProgressView alloc initWithFrame:CGRectMake(30, 365, 150, 20); self.view addSubview:progressView; gressView = progressView; /加载安装效果

5、 HWInstallView *installView = HWInstallView alloc initWithFrame:CGRectMake(220, 300, 150, 150); self.view addSubview:installView; self.installView = installView;- (void)addTimer _timer = NSTimer scheduledTimerWithTimeInterval:0.2f target:self selector:selector(timerAction) userInfo:nil repeats:YES;

6、NSRunLoop mainRunLoop addTimer:_timer forMode:NSRunLoopCommonModes;- (void)timerAction _waveVgress += 0.01; _circleVgress += 0.01; _progressVgress += 0.01; _installVgress += 0.01; if (_waveVgress >= 1) self removeTimer; NSLog("完成"); - (void)removeTimer

7、 _timer invalidate; _timer = nil;end波浪HWWaveView：#import <UIKit/UIKit.h>interface HWWaveView : UIViewproperty (nonatomic, assign) CGFloat progress;end/* -分割线- */#import "HWWaveView.h"#define KHWWaveFillColor UIColor groupTableViewBackgroundColor /填充颜色#define KHWWaveTopColor UIColor c

8、olorWithRed:0/255.0 green:191/255.0 blue:255/255.0 alpha:1.0f /前面波浪颜色#define KHWWaveBottomColor UIColor colorWithRed:0/255.0 green:191/255.0 blue:255/255.0 alpha:0.4f /后面波浪颜色interface HWWaveView ()property (nonatomic, strong) CADisplayLink *displayLink;property (nonatomic, assign) CGFloat wave_ampli

9、tude;/振幅a（y = asin(wx+) + k）property (nonatomic, assign) CGFloat wave_cycle;/周期wproperty (nonatomic, assign) CGFloat wave_h_distance;/两个波水平之间偏移property (nonatomic, assign) CGFloat wave_v_distance;/两个波竖直之间偏移property (nonatomic, assign) CGFloat wave_scale;/水波速率property (nonatomic, assign) CGFloat wave

10、_offsety;/波峰所在位置的y坐标property (nonatomic, assign) CGFloat wave_move_width;/移动的距离，配合速率设置property (nonatomic, assign) CGFloat wave_offsetx;/偏移property (nonatomic, assign) CGFloat offsety_scale;/上升的速度endimplementation HWWaveView- (instancetype)initWithFrame:(CGRect)frame if (self = super initWithFrame:f

11、rame) self.backgroundColor = UIColor clearColor; /初始化信息 self initInfo; return self;- (void)initInfo /进度 _progress = 0; /振幅 _wave_amplitude = self.frame.size.height / 25; /周期 _wave_cycle = 2 * M_PI / (self.frame.size.width * 0.9); /两个波水平之间偏移 _wave_h_distance = 2 * M_PI / _wave_cycle * 0.6; /两个波竖直之间偏移

12、 _wave_v_distance = _wave_amplitude * 0.4; /移动的距离，配合速率设置 _wave_move_width = 0.5; /水波速率 _wave_scale = 0.4; /上升的速度 _offsety_scale = 0.1; /波峰所在位置的y坐标，刚开始的时候_wave_offsety是最大值 _wave_offsety = (1 - _progress) * (self.frame.size.height + 2 * _wave_amplitude); self addDisplayLinkAction;- (void)addDisplayLin

13、kAction _displayLink=CADisplayLinkdisplayLinkWithTarget:self selector:selector(displayLinkAction); _displayLinkaddToRunLoop:NSRunLoopmainRunLoop forMode:NSRunLoopCommonModes;- (void)displayLinkAction _wave_offsetx += _wave_move_width * _wave_scale; /完成 if (_wave_offsety <= 0.01) self removeDispla

14、yLinkAction; self setNeedsDisplay;- (void)removeDisplayLinkAction _displayLink invalidate; _displayLink = nil;- (void)drawRect:(CGRect)rect UIBezierPath *path = UIBezierPath bezierPathWithOvalInRect:rect; KHWWaveFillColor setFill; path fill; path addClip; /绘制两个波形图 self drawWaveColor:KHWWaveTopColor

15、offsetx:0 offsety:0; selfdrawWaveColor:KHWWaveBottomColoroffsetx:_wave_h_distance offsety:_wave_v_distance;- (void)drawWaveColor:(UIColor *)color offsetx:(CGFloat)offsetx offsety:(CGFloat)offsety /波浪动画，进度的实际操作范围是，多加上两个振幅的高度，到达设置进度的位置y CGFloat end_offY = (1 - _progress) * (self.frame.size.height + 2

16、* _wave_amplitude); if (_wave_offsety != end_offY) if (end_offY < _wave_offsety) _wave_offsety=MAX(_wave_offsety -= (_wave_offsety - end_offY) * _offsety_scale, end_offY); lse _wave_offsety=MIN(_wave_offsety+=(end_offY- _wave_offsety) * _offsety_scale, end_offY); UIBezierPath *wavePath = UIBezier

17、Path bezierPath; for (float next_x = 0.f; next_x <= self.frame.size.width; next_x +) /正弦函数，绘制波形 CGFloat next_y = _wave_amplitude * sin(_wave_cycle * next_x + _wave_offsetx + offsetx / self.bounds.size.width * 2 * M_PI) + _wave_offsety + offsety; if (next_x = 0) wavePath moveToPoint:CGPointMake(ne

18、xt_x, next_y - _wave_amplitude); else wavePath addLineToPoint:CGPointMake(next_x, next_y - _wave_amplitude); wavePath addLineToPoint:CGPointMake(self.frame.size.width, self.frame.size.height); wavePath addLineToPoint:CGPointMake(0, self.bounds.size.height); color set; wavePath fill;end圆圈HWCircleView

19、：#import <UIKit/UIKit.h>interface HWCircleView : UIViewproperty (nonatomic, assign) CGFloat progress;end/* -分割线- */#import "HWCircleView.h"#define KHWCircleLineWidth 10.0f#define KHWCircleFont UIFont boldSystemFontOfSize:26.0f#define KHWCircleColor UIColor colorWithRed:0/255.0 green:

20、191/255.0 blue:255/255.0 alpha:1interface HWCircleView ()property (nonatomic, weak) UILabel *cLabel;endimplementation HWCircleView- (instancetype)initWithFrame:(CGRect)frame if (self = super initWithFrame:frame) self.backgroundColor = UIColor clearColor; /百分比标签 UILabel *cLabel = UILabel alloc initWi

21、thFrame:self.bounds; cLabel.font = KHWCircleFont; cLabel.textColor = KHWCircleColor; cLabel.textAlignment = NSTextAlignmentCenter; self addSubview:cLabel; self.cLabel = cLabel; return self;- (void)setProgress:(CGFloat)progress _progress = progress; _cLabel.text = NSString stringWithFormat:"%d%&

22、quot;, (int)floor(progress * 100); self setNeedsDisplay;- (void)drawRect:(CGRect)rect /路径 UIBezierPath *path = UIBezierPath alloc init; /线宽 path.lineWidth = KHWCircleLineWidth; /颜色 KHWCircleColor set; /拐角 path.lineCapStyle = kCGLineCapRound; path.lineJoinStyle = kCGLineJoinRound; /半径 CGFloat radius

23、= (MIN(rect.size.width, rect.size.height) - KHWCircleLineWidth) * 0.5; /画弧（参数：中心、半径、起始角度(3点钟方向为0)、结束角度、是否顺时针） thaddArcWithCenter:(CGPoint)rect.size.width * 0.5, rect.size.height * 0.5 radius:radius startAngle:M_PI * 1.5 endAngle:M_PI * 1.5 + M_PI * 2 * _progress clockwise:YES; /连线 path stroke;end进度条

24、HWProgressView：#import <UIKit/UIKit.h>interface HWProgressView : UIViewproperty (nonatomic, assign) CGFloat progress;end/* -分割线- */#import "HWProgressView.h"#define KProgressBorderWidth 2.0f#define KProgressPadding 1.0f#define KProgressColor UIColor colorWithRed:0/255.0 green:191/255

25、.0 blue:255/255.0 alpha:1interface HWProgressView ()property (nonatomic, weak) UIView *tView;endimplementation HWProgressView- (instancetype)initWithFrame:(CGRect)frame if (self = super initWithFrame:frame) /边框 UIView *borderView = UIView alloc initWithFrame:self.bounds; borderView.layer.cornerRadiu

26、s = self.bounds.size.height * 0.5; borderView.layer.masksToBounds = YES; borderView.backgroundColor = UIColor whiteColor; borderView.layer.borderColor = KProgressColor CGColor; borderView.layer.borderWidth = KProgressBorderWidth; self addSubview:borderView; /进度 UIView *tView = UIView alloc init; tVi

27、ew.backgroundColor = KProgressColor; tView.layer.cornerRadius = (self.bounds.size.height - (KProgressBorderWidth + KProgressPadding) * 2) * 0.5; tView.layer.masksToBounds = YES; self addSubview:tView; self.tView = tView; return self;- (void)setProgress:(CGFloat)progress _progress = progress; CGFloat

28、 margin = KProgressBorderWidth + KProgressPadding; CGFloat maxWidth = self.bounds.size.width - margin * 2; CGFloat heigth = self.bounds.size.height - margin * 2; _tView.frame = CGRectMake(margin, margin, maxWidth * progress, heigth);end加载安装效果HWInstallView：#import <UIKit/UIKit.h>interface HWIns

29、tallView : UIViewproperty (nonatomic, assign) CGFloat progress;end/* -分割线- */#import "HWInstallView.h"#define KHWInstallViewMargin 10#define KHWInstallColor UIColor colorWithRed:0/255.0 green:191/255.0 blue:255/255.0 alpha:1implementation HWInstallView- (instancetype)initWithFrame:(CGRect)frame if (se