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iOS自定义提示弹出框实现类似UIAlertView的效果

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发表于 2018-2-14 05:30:35 | 只看该作者 回帖奖励 |倒序浏览 |阅读模式

            首先来看看实现的效果图

下面话不多说，以下是实现的示例代码
#import [U]
typedef void(^AlertResult)(NSInteger index);
@interface XLAlertView : UIView
@property (nonatomic,copy) AlertResult resultIndex;
- (instancetype)initWithTitleNSString *)title messageNSString *)message sureBtnNSString *)sureTitle cancleBtnNSString *)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)initWithTitleNSString *)title messageNSString *)message sureBtnNSString *)sureTitle cancleBtnNSString *)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 actionselector(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 actionselector(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 actionselector(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 actionselector(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)buttonEventUIButton *)sender
{
  if (sender.tag == 2) {
    if (self.resultIndex) {
      self.resultIndex(sender.tag);
    }
  }
  [self removeFromSuperview];
}
-(UILabel *)GetAdaptiveLableCGRect)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];
总结
以上就是这篇文章的全部内容了，希望本文的内容对各位iOS开发们能有所帮助，如果有疑问大家可以留言交流，谢谢大家对脚本之家的支持。
            
            
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