iOS自定义提示弹出框（类似UIAlertView）

菜鸟一枚，大神勿喷。自己在牛刀小试的时候，发现系统的UIAlertView有点不喜欢，然后就自己自定义了一个UIAlertView,基本上实现了系统的UIAlertView,可以根据项目的需求修改UIAlertView的颜色。欢迎大神多多指导。不胜感激!

效果图：

Paste_Image.png

--------------直接贴代码---------不喜勿喷----------大神多多指导。不胜感激!-------

#import <UIKit/UIKit.h>

typedef void(^AlertResult)(NSInteger index);

@interface XLAlertView : UIView

@property (nonatomic,copy) AlertResult resultIndex;

- (instancetype)initWithTitle:(NSString *)title message:(NSString *)message sureBtn:(NSString *)sureTitle cancleBtn:(NSString *)cancleTitle;

- (void)showXLAlertView;

@end

#import "XLAlertView.h"

///alertView  宽

#define AlertW 280

///各个栏目之间的距离

#define XLSpace 10.0

@interface XLAlertView()

//弹窗

@property (nonatomic,retain) UIView *alertView;

//title

@property (nonatomic,retain) UILabel *titleLbl;

//内容

@property (nonatomic,retain) UILabel *msgLbl;

//确认按钮

@property (nonatomic,retain) UIButton *sureBtn;

//取消按钮

@property (nonatomic,retain) UIButton *cancleBtn;

//横线线

@property (nonatomic,retain) UIView *lineView;

//竖线

@property (nonatomic,retain) UIView *verLineView;

@end

@implementation XLAlertView

- (instancetype)initWithTitle:(NSString *)title message:(NSString *)message sureBtn:(NSString *)sureTitle cancleBtn:(NSString *)cancleTitle

{

    if (self == [super init]) {

        self.frame = [UIScreen mainScreen].bounds;

        self.backgroundColor = [UIColor colorWithWhite:0.8 alpha:0.6];

        self.alertView = [[UIView alloc] init];

        self.alertView.backgroundColor = [UIColor whiteColor];

        self.alertView.layer.cornerRadius = 5.0;

        self.alertView.frame = CGRectMake(0, 0, AlertW, 100);

        self.alertView.layer.position = self.center;

        if (title) {

            self.titleLbl = [self GetAdaptiveLable:CGRectMake(2*XLSpace, 2*XLSpace, AlertW-4*XLSpace, 20) AndText:title andIsTitle:YES];

            self.titleLbl.textAlignment = NSTextAlignmentCenter;

            [self.alertView addSubview:self.titleLbl];

            CGFloat titleW = self.titleLbl.bounds.size.width;

            CGFloat titleH = self.titleLbl.bounds.size.height;

            self.titleLbl.frame = CGRectMake((AlertW-titleW)/2, 2*XLSpace, titleW, titleH);

        }

        if (message) {

            self.msgLbl = [self GetAdaptiveLable:CGRectMake(XLSpace, CGRectGetMaxY(self.titleLbl.frame)+XLSpace, AlertW-2*XLSpace, 20) AndText:message andIsTitle:NO];

            self.msgLbl.textAlignment = NSTextAlignmentCenter;

            [self.alertView addSubview:self.msgLbl];

            CGFloat msgW = self.msgLbl.bounds.size.width;

            CGFloat msgH = self.msgLbl.bounds.size.height;

            self.msgLbl.frame = self.titleLbl?CGRectMake((AlertW-msgW)/2, CGRectGetMaxY(self.titleLbl.frame)+XLSpace, msgW, msgH):CGRectMake((AlertW-msgW)/2, 2*XLSpace, msgW, msgH);

        }

        self.lineView = [[UIView alloc] init];

        self.lineView.frame = self.msgLbl?CGRectMake(0, CGRectGetMaxY(self.msgLbl.frame)+2*XLSpace, AlertW, 1):CGRectMake(0, CGRectGetMaxY(self.titleLbl.frame)+2*XLSpace, AlertW, 1);

        self.lineView.backgroundColor = [UIColor colorWithWhite:0.8 alpha:0.6];

        [self.alertView addSubview:self.lineView];

        //两个按钮

        if (cancleTitle && sureTitle) {

            self.cancleBtn = [UIButton buttonWithType:UIButtonTypeSystem];

            self.cancleBtn.frame = CGRectMake(0, CGRectGetMaxY(self.lineView.frame), (AlertW-1)/2, 40);

            [self.cancleBtn setBackgroundImage:[self imageWithColor:[UIColor colorWithRed:255/255.0 green:255/255.0 blue:255/255.0 alpha:0.2]] forState:UIControlStateNormal];

            [self.cancleBtn setBackgroundImage:[self imageWithColor:[UIColor colorWithRed:255/255.0 green:255/255.0 blue:255/255.0 alpha:0.2]] forState:UIControlStateSelected];

            [self.cancleBtn setTitle:cancleTitle forState:UIControlStateNormal];

            //[self.cancleBtn setTitleColor:[UIColor grayColor] forState:UIControlStateNormal];

            self.cancleBtn.tag = 1;

            [self.cancleBtn addTarget:self action:@selector(buttonEvent:) forControlEvents:UIControlEventTouchUpInside];

            UIBezierPath *maskPath = [UIBezierPath bezierPathWithRoundedRect:self.cancleBtn.bounds byRoundingCorners:UIRectCornerBottomLeft cornerRadii:CGSizeMake(5.0, 5.0)];

            CAShapeLayer *maskLayer = [[CAShapeLayer alloc] init];

            maskLayer.frame = self.cancleBtn.bounds;

            maskLayer.path = maskPath.CGPath;

            self.cancleBtn.layer.mask = maskLayer;

            [self.alertView addSubview:self.cancleBtn];

        }

        if (cancleTitle && sureTitle) {

            self.verLineView = [[UIView alloc] init];

            self.verLineView.frame = CGRectMake(CGRectGetMaxX(self.cancleBtn.frame), CGRectGetMaxY(self.lineView.frame), 1, 40);

            self.verLineView.backgroundColor = [UIColor colorWithWhite:0.8 alpha:0.6];

            [self.alertView addSubview:self.verLineView];

        }

        if(sureTitle && cancleTitle){

            self.sureBtn = [UIButton buttonWithType:UIButtonTypeSystem];

            self.sureBtn.frame = CGRectMake(CGRectGetMaxX(self.verLineView.frame), CGRectGetMaxY(self.lineView.frame), (AlertW-1)/2+1, 40);

            [self.sureBtn setBackgroundImage:[self imageWithColor:[UIColor colorWithRed:255/255.0 green:255/255.0 blue:255/255.0 alpha:0.2]] forState:UIControlStateNormal];

            [self.sureBtn setBackgroundImage:[self imageWithColor:[UIColor colorWithRed:255/255.0 green:255/255.0 blue:255/255.0 alpha:0.2]] forState:UIControlStateSelected];

            [self.sureBtn setTitle:sureTitle forState:UIControlStateNormal];

            //[self.sureBtn setTitleColor:[UIColor whiteColor] forState:UIControlStateNormal];

            self.sureBtn.tag = 2;

            [self.sureBtn addTarget:self action:@selector(buttonEvent:) forControlEvents:UIControlEventTouchUpInside];

            UIBezierPath *maskPath = [UIBezierPath bezierPathWithRoundedRect:self.sureBtn.bounds byRoundingCorners:UIRectCornerBottomRight cornerRadii:CGSizeMake(5.0, 5.0)];

            CAShapeLayer *maskLayer = [[CAShapeLayer alloc] init];

            maskLayer.frame = self.sureBtn.bounds;

            maskLayer.path = maskPath.CGPath;

            self.sureBtn.layer.mask = maskLayer;

            [self.alertView addSubview:self.sureBtn];

        }

        //只有取消按钮

        if (cancleTitle && !sureTitle) {

            self.cancleBtn = [UIButton buttonWithType:UIButtonTypeSystem];

            self.cancleBtn.frame = CGRectMake(0, CGRectGetMaxY(self.lineView.frame), AlertW, 40);

            [self.cancleBtn setBackgroundImage:[self imageWithColor:[UIColor colorWithRed:255/255.0 green:255/255.0 blue:255/255.0 alpha:0.2]] forState:UIControlStateNormal];

            [self.cancleBtn setBackgroundImage:[self imageWithColor:[UIColor colorWithRed:255/255.0 green:255/255.0 blue:255/255.0 alpha:0.2]] forState:UIControlStateSelected];

            [self.cancleBtn setTitle:cancleTitle forState:UIControlStateNormal];

            //[self.cancleBtn setTitleColor:[UIColor grayColor] forState:UIControlStateNormal];

            self.cancleBtn.tag = 1;

            [self.cancleBtn addTarget:self action:@selector(buttonEvent:) forControlEvents:UIControlEventTouchUpInside];

            UIBezierPath *maskPath = [UIBezierPath bezierPathWithRoundedRect:self.cancleBtn.bounds byRoundingCorners:UIRectCornerBottomLeft | UIRectCornerBottomRight cornerRadii:CGSizeMake(5.0, 5.0)];

            CAShapeLayer *maskLayer = [[CAShapeLayer alloc] init];

            maskLayer.frame = self.cancleBtn.bounds;

            maskLayer.path = maskPath.CGPath;

            self.cancleBtn.layer.mask = maskLayer;

            [self.alertView addSubview:self.cancleBtn];

        }

        //只有确定按钮

        if(sureTitle && !cancleTitle){

            self.sureBtn = [UIButton buttonWithType:UIButtonTypeSystem];

            self.sureBtn.frame = CGRectMake(0, CGRectGetMaxY(self.lineView.frame), AlertW, 40);

            [self.sureBtn setBackgroundImage:[self imageWithColor:[UIColor colorWithRed:255/255.0 green:255/255.0 blue:255/255.0 alpha:0.2]] forState:UIControlStateNormal];

            [self.sureBtn setBackgroundImage:[self imageWithColor:[UIColor colorWithRed:255/255.0 green:255/255.0 blue:255/255.0 alpha:0.2]] forState:UIControlStateSelected];

            [self.sureBtn setTitle:sureTitle forState:UIControlStateNormal];

            //[self.sureBtn setTitleColor:[UIColor grayColor] forState:UIControlStateNormal];

            self.sureBtn.tag = 2;

            [self.sureBtn addTarget:self action:@selector(buttonEvent:) forControlEvents:UIControlEventTouchUpInside];

            UIBezierPath *maskPath = [UIBezierPath bezierPathWithRoundedRect:self.sureBtn.bounds byRoundingCorners:UIRectCornerBottomLeft | UIRectCornerBottomRight cornerRadii:CGSizeMake(5.0, 5.0)];

            CAShapeLayer *maskLayer = [[CAShapeLayer alloc] init];

            maskLayer.frame = self.sureBtn.bounds;

            maskLayer.path = maskPath.CGPath;

            self.sureBtn.layer.mask = maskLayer;

            [self.alertView addSubview:self.sureBtn];

        }

        //计算高度

        CGFloat alertHeight = cancleTitle?CGRectGetMaxY(self.cancleBtn.frame):CGRectGetMaxY(self.sureBtn.frame);

        self.alertView.frame = CGRectMake(0, 0, AlertW, alertHeight);

        self.alertView.layer.position = self.center;

        [self addSubview:self.alertView];

    }

    return self;

}

#pragma mark - 弹出 -

- (void)showXLAlertView

{

    UIWindow *rootWindow = [UIApplication sharedApplication].keyWindow;

    [rootWindow addSubview:self];

    [self creatShowAnimation];

}

- (void)creatShowAnimation

{

    self.alertView.layer.position = self.center;

    self.alertView.transform = CGAffineTransformMakeScale(0.90, 0.90);

    [UIView animateWithDuration:0.25 delay:0 usingSpringWithDamping:0.8 initialSpringVelocity:1 options:UIViewAnimationOptionCurveLinear animations:^{

        self.alertView.transform = CGAffineTransformMakeScale(1.0, 1.0);

    } completion:^(BOOL finished) {

    }];

}

#pragma mark - 回调 -设置只有2  -- > 确定才回调

- (void)buttonEvent:(UIButton *)sender

{

    if (sender.tag == 2) {

        if (self.resultIndex) {

            self.resultIndex(sender.tag);

        }

    }

    [self removeFromSuperview];

}

-(UILabel *)GetAdaptiveLable:(CGRect)rect AndText:(NSString *)contentStr andIsTitle:(BOOL)isTitle

{

    UILabel *contentLbl = [[UILabel alloc] initWithFrame:rect];

    contentLbl.numberOfLines = 0;

    contentLbl.text = contentStr;

    contentLbl.textAlignment = NSTextAlignmentCenter;

    if (isTitle) {

        contentLbl.font = [UIFont boldSystemFontOfSize:16.0];

    }else{

        contentLbl.font = [UIFont systemFontOfSize:14.0];

    }

    NSMutableAttributedString *mAttrStr = [[NSMutableAttributedString alloc] initWithString:contentStr];

    NSMutableParagraphStyle *mParaStyle = [[NSMutableParagraphStyle alloc] init];

    mParaStyle.lineBreakMode = NSLineBreakByCharWrapping;

    [mParaStyle setLineSpacing:3.0];

    [mAttrStr addAttribute:NSParagraphStyleAttributeName value:mParaStyle range:NSMakeRange(0,[contentStr length])];

    [contentLbl setAttributedText:mAttrStr];

    [contentLbl sizeToFit];

    return contentLbl;

}

-(UIImage *)imageWithColor:(UIColor *)color

{

    CGRect rect = CGRectMake(0.0f, 0.0f, 1.0f, 1.0f);

    UIGraphicsBeginImageContext(rect.size);

    CGContextRef context = UIGraphicsGetCurrentContext();

    CGContextSetFillColorWithColor(context, [color CGColor]);

    CGContextFillRect(context, rect);

    UIImage *theImage = UIGraphicsGetImageFromCurrentImageContext();

    UIGraphicsEndImageContext();

    return theImage;

}

@end

--------------在需要使用的地方直接调用-------

XLAlertView *xlAlertView = [[XLAlertView alloc] initWithTitle:@"自定义UIAlertView" message:@"不喜勿喷，大神多多指导。不胜感激" sureBtn:@"确认" cancleBtn:@"取消"];

xlAlertView.resultIndex = ^(NSInteger index){

//回调---处理一系列动作

};

[xlAlertView showXLAlertView];

作者：键盘上的演绎者
链接：https://www.jianshu.com/p/e15d21c87b82
來源：简书
简书著作权归作者所有，任何形式的转载都请联系作者获得授权并注明出处。

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