1.
.h文件
#import <UIKit/UIKit.h>
#define Wi [[UIScreen mainScreen]bounds].size.width
#define He [[UIScreen mainScreen]bounds].size.height
@interface Alert : UIView
typedef enum{
AlertStyleYes=0,
AlertStyleNo,
AlertStyleWarning,
}AlertStyle;
@property(nonatomic,strong) UIView *alertView;
@property(nonatomic,strong) UIView *drawView;
@property(nonatomic) AlertStyle alertStyle;
@property(nonatomic,strong) UILabel *alertLabel;
@property(nonatomic,strong) UILabel *messageLabel;
@property(nonatomic,strong) UIButton *cancelButton;
@property(nonatomic,strong) UIButton *confirmButton;
-(instancetype)initAlertWithStyle:(AlertStyle)alertStyle;
@end
.m文件
#import "Alert.h"
@implementation Alert
-(instancetype)initAlertWithStyle:(AlertStyle)alertStyle{
CGRect frame= CGRectMake(0, 0, Wi, He);
self=[super initWithFrame:frame];
if (self) {
self.backgroundColor=[UIColor colorWithRed:0.1 green:0.2 blue:0.3 alpha:0.3];
//
// self.center=CGPointMake(Wi/2, He/2);
//
[self initViews];
//
if (alertStyle==AlertStyleNo) {
[self drawNo];
}
if (alertStyle==AlertStyleYes) {
[self drawYes];
}
if (alertStyle==AlertStyleWarning) {
[self drawWarning];
}
}
return self;
}
/*
初始化视图
*/
-(void)initViews{
//
self.alertView=[[UIView alloc]initWithFrame:CGRectMake(0, 0, 160, 190)];
self.alertView.backgroundColor=[UIColor colorWithRed:0.8 green:0.8 blue:1.5 alpha:0.9];
self.alertView.layer.masksToBounds=YES;
self.alertView.layer.cornerRadius=5;
self.alertView.center=self.center;
[self addSubview:self.alertView];
//
self.drawView=[[UIView alloc]initWithFrame:CGRectMake(0, 0, 160, 110)];
// self.drawView.backgroundColor=[UIColor blackColor];
[self.alertView addSubview:self.drawView];
//
self.alertLabel=[[UILabel alloc]initWithFrame:CGRectMake(0, 95, self.drawView.frame.size.width, 30)];
self.alertLabel.textAlignment=1;
_alertLabel.text=@"alertLabel";
[self.alertView bringSubviewToFront:_alertLabel];
[self.alertView addSubview:_alertLabel];
//
self.messageLabel=[[UILabel alloc]initWithFrame:CGRectMake(0, 120, self.drawView.frame.size.width, 30)];
self.messageLabel.textAlignment=1;
_messageLabel.text=@"messageLabel";
[self.alertView bringSubviewToFront:_messageLabel];
[self.alertView addSubview:_messageLabel];
//
_cancelButton=[UIButton buttonWithType:UIButtonTypeCustom];
[_cancelButton setFrame:CGRectMake(10, 150, 60, 30)];
[_cancelButton setTitle:@"取消" forState:UIControlStateNormal];
[_cancelButton addTarget:self action:@selector(back) forControlEvents:UIControlEventTouchUpInside];
[_cancelButton setTitleColor:[UIColor blackColor] forState:UIControlStateNormal];
_cancelButton.backgroundColor=[UIColor colorWithRed:0.1 green:0.2 blue:0.5 alpha:0.8];
_cancelButton.layer.masksToBounds=YES;
_cancelButton.layer.cornerRadius=5;
[self.alertView addSubview:_cancelButton];
//
_confirmButton=[UIButton buttonWithType:UIButtonTypeCustom];
[_confirmButton setFrame:CGRectMake(90, 150, 60, 30)];
[_confirmButton setTitle:@"确定" forState:UIControlStateNormal];
[_confirmButton addTarget:self action:@selector(back) forControlEvents:UIControlEventTouchUpInside];
[_confirmButton setTitleColor:[UIColor blackColor] forState:UIControlStateNormal];
_confirmButton.backgroundColor=[UIColor colorWithRed:0.6 green:0.3 blue:0.2 alpha:0.8];
_confirmButton.layer.masksToBounds=YES;
_confirmButton.layer.cornerRadius=5;
[self.alertView addSubview:_confirmButton];
}
-(void)back{
[self removeFromSuperview];
}
/*
设置alertStyle
*/
-(void)setAlertStyle:(AlertStyle)alertStyle{
_alertStyle=alertStyle ;
[self addSubview:self.alertView];
if (alertStyle==AlertStyleNo) {
[self drawNo];
}
if (alertStyle==AlertStyleYes) {
[self drawYes];
}
if (alertStyle==AlertStyleWarning) {
[self drawWarning];
}
}
/**************************三个绘制*****************************/
/*
绘制yes
*/
-(void)drawYes{
//先移除再绘制
[self.drawView.layer.sublayers makeObjectsPerformSelector:@selector(removeFromSuperlayer) ];
_alertLabel.text=@"Yes";
_alertLabel.textColor=[UIColor blueColor];
//
_messageLabel.text=@"登陆成功";
_messageLabel.textColor=[UIColor grayColor];
//
UIBezierPath *path = [UIBezierPath bezierPath];
[path moveToPoint:CGPointMake(120, 50)];
[path addArcWithCenter:CGPointMake(80, 50) radius:40 startAngle:2*M_PI endAngle: 0 clockwise:0];
[path moveToPoint:CGPointMake(60,50)];
[path addLineToPoint:CGPointMake(80, 70)];
[path addLineToPoint:CGPointMake(110, 30)];
// NSLog(@"%f",M_PI);
//
CAShapeLayer *pathLayer = [CAShapeLayer layer];
pathLayer.frame = self.bounds;
pathLayer.path = path.CGPath;
pathLayer.strokeColor = [[UIColor blueColor] CGColor];
pathLayer.fillColor = nil;
pathLayer.lineWidth = 4.0f;
pathLayer.lineJoin = kCALineJoinBevel;
[self.drawView.layer addSublayer:pathLayer];
//
CABasicAnimation *pathAnimation = [CABasicAnimation animationWithKeyPath:@"strokeEnd"];
//pathAnimation = [CABasicAnimation animationWithKeyPath:@"strokeEnd"];
pathAnimation.duration =0.5;
pathAnimation.fromValue = [NSNumber numberWithFloat:0.0f];
pathAnimation.toValue = [NSNumber numberWithFloat:1.0f];
[pathLayer addAnimation:pathAnimation forKey:@"strokeEnd"];
}
/*
绘制No
*/
-(void)drawNo{
//先移除再绘制
[self.drawView.layer.sublayers makeObjectsPerformSelector:@selector(removeFromSuperlayer) ];
//
_alertLabel.text=@"登陆失败";
_alertLabel.textColor=[UIColor redColor];
//
_messageLabel.text=@"密码输入错误";
_messageLabel.textColor=[UIColor grayColor];
//
UIBezierPath *path=[UIBezierPath bezierPath];
[path moveToPoint:CGPointMake(40, 10)];
[path addLineToPoint:CGPointMake(40, 90)];
[path addLineToPoint:CGPointMake(120, 90)];
[path addLineToPoint:CGPointMake(120, 10)];
[path addLineToPoint:CGPointMake(40, 10)];
[path moveToPoint:CGPointMake(60, 30)];
[path addLineToPoint:CGPointMake(100, 70)];
[path moveToPoint:CGPointMake(100, 30)];
[path addLineToPoint:CGPointMake(60, 70)];
//
CAShapeLayer *pathLayer = [CAShapeLayer layer];
pathLayer.frame = self.bounds;
pathLayer.path = path.CGPath;
pathLayer.strokeColor = [[UIColor redColor] CGColor];
pathLayer.fillColor = nil;
pathLayer.lineWidth = 4.0f;
pathLayer.lineJoin = kCALineJoinBevel;
[self.drawView.layer addSublayer:pathLayer];
//
CABasicAnimation *pathAnimation = [CABasicAnimation animationWithKeyPath:@"strokeEnd"];
pathAnimation = [CABasicAnimation animationWithKeyPath:@"strokeEnd"];
pathAnimation.duration = 0.5;
pathAnimation.fromValue = [NSNumber numberWithFloat:0.0f];
pathAnimation.toValue = [NSNumber numberWithFloat:1.0f];
[pathLayer addAnimation:pathAnimation forKey:@"strokeEnd"];
}
/*
绘制Warning
*/
-(void)drawWarning{
//先移除再绘制
[self.drawView.layer.sublayers makeObjectsPerformSelector:@selector(removeFromSuperlayer) ];
//
_alertLabel.text=@"警告";
_alertLabel.textColor=[UIColor colorWithRed:1.4 green:1.0 blue:0 alpha:1.0];
//
_messageLabel.text=@"内存不足";
_messageLabel.textColor=[UIColor grayColor];
//
UIBezierPath *path=[UIBezierPath bezierPath];
[path moveToPoint:CGPointMake(80, 10)];
[path addLineToPoint:CGPointMake(30, 95)];
[path addLineToPoint:CGPointMake(130, 95)];
[path addLineToPoint:CGPointMake(80, 10)];
[path moveToPoint:CGPointMake(80, 30)];
[path addLineToPoint:CGPointMake(80, 75)];
[path moveToPoint:CGPointMake(80, 80)];
[path addLineToPoint:CGPointMake(80, 85)];
//
CAShapeLayer *pathLayer = [CAShapeLayer layer];
pathLayer.frame = self.bounds;
pathLayer.path = path.CGPath;
pathLayer.strokeColor = [[UIColor yellowColor] CGColor];
pathLayer.fillColor = nil;
pathLayer.lineWidth = 4.0f;
pathLayer.lineJoin = kCALineJoinBevel;
[self.drawView.layer addSublayer:pathLayer];
//
CABasicAnimation *pathAnimation = [CABasicAnimation animationWithKeyPath:@"strokeEnd"];
pathAnimation = [CABasicAnimation animationWithKeyPath:@"strokeEnd"];
pathAnimation.duration = 0.5;
pathAnimation.fromValue = [NSNumber numberWithFloat:0.0f];
pathAnimation.toValue = [NSNumber numberWithFloat:1.0f];
[pathLayer addAnimation:pathAnimation forKey:@"strokeEnd"];
}
/*
//
UIBezierPath *path = [UIBezierPath bezierPath];
[path moveToPoint:CGPointMake(0.0,20.0)];
[path addLineToPoint:CGPointMake(120.0, 500.0)];
[path addLineToPoint:CGPointMake(220, 0)];
[path addLineToPoint:CGPointMake(310, 40)];
[path addLineToPoint:CGPointMake(SCREEN_WIDTH, 110)];
//
CAShapeLayer *pathLayer = [CAShapeLayer layer];
pathLayer.frame = self.view.bounds;
pathLayer.path = path.CGPath;
pathLayer.strokeColor = [[UIColor redColor] CGColor];
pathLayer.fillColor = nil;
pathLayer.lineWidth = 2.0f;
pathLayer.lineJoin = kCALineJoinBevel;
[self.view.layer addSublayer:pathLayer];
//
CABasicAnimation *pathAnimation = [CABasicAnimation animationWithKeyPath:@"strokeEnd"];
pathAnimation = [CABasicAnimation animationWithKeyPath:@"strokeEnd"];
pathAnimation.duration = 2.0;
pathAnimation.fromValue = [NSNumber numberWithFloat:0.0f];
pathAnimation.toValue = [NSNumber numberWithFloat:1.0f];
[pathLayer addAnimation:pathAnimation forKey:@"strokeEnd"];
*/
@end
2.效果：
