711/BuguLive/Class/Sections/Store/Base/UIView+Toast.m

#import "UIView+Toast.h"

@implementation UIView (Toast)

- (void)showToast:(NSString *)message {
    [self showToast:message duration:2.0];
}

- (void)showToast:(NSString *)message duration:(NSTimeInterval)duration {
    if (!message || message.length == 0) {
        return;
    }
    
    // 创建toast容器
    UIView *toastContainer = [[UIView alloc] init];
    toastContainer.backgroundColor = [UIColor colorWithWhite:0.0 alpha:0.8];
    toastContainer.layer.cornerRadius = 8;
    toastContainer.clipsToBounds = YES;
    
    // 创建文字标签
    UILabel *toastLabel = [[UILabel alloc] init];
    toastLabel.text = message;
    toastLabel.textColor = [UIColor whiteColor];
    toastLabel.font = [UIFont systemFontOfSize:(16)];
    toastLabel.textAlignment = NSTextAlignmentCenter;
    toastLabel.numberOfLines = 1;
    [toastContainer addSubview:toastLabel];
    
    // 添加到当前视图
    [self addSubview:toastContainer];
    
    // 计算文字大小
    CGSize textSize = [message boundingRectWithSize:CGSizeMake(SCREEN_WIDTH - (30), CGFLOAT_MAX)
                                            options:NSStringDrawingUsesLineFragmentOrigin
                                         attributes:@{NSFontAttributeName: toastLabel.font}
                                            context:nil].size;
    
    // 设置容器约束
    [toastContainer mas_makeConstraints:^(MASConstraintMaker *make) {
        make.centerX.mas_offset(0);
        make.centerY.mas_offset(0);
        make.width.mas_equalTo(textSize.width + (40));
        make.height.mas_equalTo(textSize.height + (20));
    }];
    
    // 设置文字约束
    [toastLabel mas_makeConstraints:^(MASConstraintMaker *make) {
        make.center.equalTo(toastContainer);
    }];
    
    // 初始状态
    toastContainer.alpha = 0.0;
    toastContainer.transform = CGAffineTransformMakeScale(0.8, 0.8);
    
    // 显示动画
    [UIView animateWithDuration:0.3 animations:^{
        toastContainer.alpha = 1.0;
        toastContainer.transform = CGAffineTransformIdentity;
    } completion:^(BOOL finished) {
        // 延迟隐藏
        dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(duration * NSEC_PER_SEC)), dispatch_get_main_queue(), ^{
            [UIView animateWithDuration:0.3 animations:^{
                toastContainer.alpha = 0.0;
                toastContainer.transform = CGAffineTransformMakeScale(0.8, 0.8);
            } completion:^(BOOL finished) {
                [toastContainer removeFromSuperview];
            }];
        });
    }];
}

@end