iOS：定制自适应大小的透明吐司弹框

一、简单介绍

创建一个吐司消息的黑色透明弹框，可以根据消息长短自适应大小。

可以手动创建手动显示手动关闭，也可以手动创建自动显示自动关闭。

简单好用。

二、代码使用

.h文件

//

//  LiveHUD.h

//

//  Created by 夏远全 on 2019/4/10.

//  Copyright © 2019年 xiaoshuang. All rights reserved.

//

#import <UIKit/UIKit.h>

NS_ASSUME_NONNULL_BEGIN

static CGFloat const HUDHEIGHT   = 44.0;

static CGFloat const HUDMINWIDTH = 230.0;

static CGFloat const HUDPADDING  = 47.0;

static NSTimeInterval const DURATION = 1.0;

@interface LiveHUD : UIView

@property (nonatomic, assign) CGFloat bgAlpha; //背景透明度

@property (nonatomic, strong) UILabel *messageLabel;//消息label

//直接显示(默认1.0秒后会自动隐藏)

+(void)showLiveHUDWithMessage:(NSString *)message inView:(UIView *)containerView;

+(void)showLiveHUDWithMessage:(NSString *)message messageFont:(UIFont *)messageFont messageColor:(UIColor *)messageColor inView:(UIView *)containerView;

//只是创建

+(instancetype)createLiveHUDWithMessage:(NSString *)message inView:(UIView *)containerView;

+(instancetype)createLiveHUDWithMessage:(NSString *)message messageFont:(UIFont *)messageFont messageColor:(UIColor *)messageColor inView:(UIView *)containerView;

//手动显示

-(void)showWithNeedHandHide;

-(void)showWithDurationAutoHide:(NSTimeInterval)duration;

//手动隐藏

-(void)hide;

-(void)hideWithDuration:(NSTimeInterval)duration;

//更新文案

-(void)updateMessage:(NSString *)message;

@end

NS_ASSUME_NONNULL_END

.m文件

//

//  LiveHUD.m

//

//  Created by 夏远全 on 2019/4/10.

//  Copyright © 2019年 xiaoshuang. All rights reserved.

//

#import "LiveHUD.h"

@interface LiveHUD ()

@property (nonatomic, strong) UIView  *containerView;

@end

@implementation LiveHUD

#pragma mark - life cycle

+(instancetype)createLiveHUDWithMessage:(NSString *)message inView:(UIView *)containerView

{

    LiveHUD *hud = [[self alloc] init];

    hud.messageLabel.text = message;

    hud.containerView = containerView;

    [hud setup];

    return hud;

}

+(instancetype)createLiveHUDWithMessage:(NSString *)message messageFont:(UIFont *)messageFont messageColor:(UIColor *)messageColor inView:(UIView *)containerView

{

    LiveHUD *hud = [[self alloc] init];

    hud.messageLabel.text = message;

    hud.messageLabel.font = messageFont;

    hud.messageLabel.textColor = messageColor;

    hud.containerView = containerView;

    [hud setup];

    return hud;

}

+(void)showLiveHUDWithMessage:(NSString *)message inView:(UIView *)containerView

{

    LiveHUD *hud = [[self alloc] init];

    hud.messageLabel.text = message;

    hud.containerView = containerView;

    [hud setup];

    [hud show];

}

+(void)showLiveHUDWithMessage:(NSString *)message messageFont:(UIFont *)messageFont messageColor:(UIColor *)messageColor inView:(UIView *)containerView

{

    LiveHUD *hud = [[self alloc] init];

    hud.messageLabel.text = message;

    hud.messageLabel.font = messageFont;

    hud.messageLabel.textColor = messageColor;

    hud.containerView = containerView;

    [hud setup];

    [hud show];

}

-(void)setup

{

    [self setDefalut];

    [self setupFrame];

    [self addSubViews];

    [self setupSubviewsConstraints];

}

-(void)setDefalut

{

    self.alpha = 0.0;

    self.backgroundColor = [HEXCOLOR(0X000000) colorWithAlphaComponent:0.7];

    self.layer.cornerRadius = HUDHEIGHT/;

    self.layer.masksToBounds = YES;

}

-(void)setupFrame

{

    CGFloat LabelWidth = [self.messageLabel sizeThatFits:CGSizeMake(MAXFLOAT, HUDHEIGHT)].width;

    LabelWidth = MAX(LabelWidth+*HUDPADDING, HUDMINWIDTH);

    self.frame = CGRectMake(, , LabelWidth, HUDHEIGHT);

    self.center = self.containerView.center;

}

#pragma mark - add subViews

-(void)addSubViews

{

    [self addSubview:self.messageLabel];

    [self.containerView addSubview:self];

}

#pragma mark - layout subviews

-(void)setupSubviewsConstraints

{

    [self.messageLabel mas_makeConstraints:^(MASConstraintMaker *make) {

        make.center.equalTo(@());

        make.height.equalTo(@(HUDHEIGHT));

    }];

}

#pragma mark - event response

#pragma mark - public methods

-(void)setBgAlpha:(CGFloat)bgAlpha{

    _bgAlpha = bgAlpha;

    self.backgroundColor = [HEXCOLOR(0X000000) colorWithAlphaComponent:bgAlpha];

}

-(void)showWithNeedHandHide{

    [UIView animateWithDuration:DURATION/ animations:^{

        self.alpha = 1.0;

    }];

}

-(void)showWithDurationAutoHide:(NSTimeInterval)duration{

    [UIView animateWithDuration:DURATION/ animations:^{

        self.alpha = 1.0;

    } completion:^(BOOL finished) {

        [self hideWithDuration:duration];

    }];

}

-(void)hide{

    [self hideWithDuration:0.0];

}

-(void)hideWithDuration:(NSTimeInterval)duration{

    dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(duration * NSEC_PER_SEC)), dispatch_get_main_queue(), ^{

        [UIView animateWithDuration:DURATION/ animations:^{

            self.alpha = 0.0;

        } completion:^(BOOL finished) {

            [self removeFromSuperview];

        }];

    });

}

-(void)updateMessage:(NSString *)message

{

    self.messageLabel.text = message;

    [self setupFrame];

}

#pragma mark - private methods

-(void)show{

    [UIView animateWithDuration:DURATION/ animations:^{

        self.alpha = 1.0;

    } completion:^(BOOL finished) {

        [self hideWithDuration:DURATION];

    }];

}

#pragma mark - setters

#pragma mark - getters

-(UILabel *)messageLabel{

    if (!_messageLabel) {

        _messageLabel = [[UILabel alloc] init];

        _messageLabel.textAlignment = NSTextAlignmentCenter;

        _messageLabel.textColor = HEXCOLOR(0XFFFFFF);

        _messageLabel.font = [UIFont systemFontOfSize:];

    }

    return _messageLabel;

}

@end

三、参看效果 (触发事件)

巴特西

iOS：定制自适应大小的透明吐司弹框

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