2018-02-26 快速写一个信息提示View

未点击.png 点击之后的.png

@property (nonatomic, weak) NSTimer *hideDelayTimer;

@property (nonatomic,strong) UIView *customView;
@property (nonatomic,strong) UILabel *warnLabel;
@property (nonatomic,strong) NSString *imageStr;
@property (nonatomic,strong) NSString *textStr;
@property (nonatomic,strong) UIImageView *imageView;

+(void)showSuccess:(NSString *)success;

+(void)showError:(NSString *)error;

- (instancetype)initWithFrame:(CGRect)frame
{
    if (self = [super initWithFrame:frame]) {
//        灰色背景
        self.customView = [[UIView alloc] initWithFrame:CGRectMake((frame.size.width - 350 *KScale)/2, (frame.size.height - 188 *KScale)/2, 350 *KScale, 188 *KScale)];
        self.customView.backgroundColor =[UIColor colorWithRed:0/255.0 green:0/255.0 blue:0/255.0 alpha:0.7];
        self.customView.layer.cornerRadius = 15 *KScale;
        self.customView.layer.masksToBounds = YES;
        [self addSubview:self.customView];
//        灰色image
        self.imageView = [[UIImageView alloc] initWithFrame:CGRectMake(155 *KScale, 30 *KScale, 44 *KScale, 44 *KScale)];
        self.imageView.backgroundColor = [UIColor clearColor];
        [self.customView addSubview:self.imageView];
//        提示文字
        self.warnLabel = [[UILabel alloc] initWithFrame:CGRectMake(25 *KScale, 78 *KScale, 300 *KScale, 80 *KScale)];
        self.warnLabel.textColor = [UIColor whiteColor];
        self.warnLabel.font = [UIFont systemFontOfSize:28 *KScale];
        self.warnLabel.textAlignment = NSTextAlignmentCenter;
        self.warnLabel.backgroundColor = [UIColor clearColor];
        self.warnLabel.numberOfLines = 0;
        [self.customView addSubview:self.warnLabel];
        
    }
    return self;
}

+ (void)showSuccess:(NSString *)success
{
    [self showText:success imageStr:@""];
}

+(void)showError:(NSString *)error
{
    [self showText:error imageStr:@""];
}

+ (void)showText:(NSString *)text imageStr:(NSString *)imageStr
{
    SXWShowMessageView *showMessageView = [SXWShowMessageView showViewAndAnimated:YES];
    showMessageView.imageStr = imageStr;
    showMessageView.textStr = text;
//    动画消失 1.2秒之后再消失
    [showMessageView hideAnimated:YES afterDelay:1.2];
}
#pragma mark 加载
+ (instancetype)showViewAndAnimated:(BOOL)nimated
{
    UIWindow *keyWindow = [[[UIApplication sharedApplication]delegate] window];
    keyWindow.windowLevel = UIWindowLevelNormal;
    
    SXWShowMessageView *showMessageView = [[self alloc] initWithFrame:keyWindow.bounds];
    showMessageView.center = CGPointMake(keyWindow.bounds.size.width/2.0f, keyWindow.bounds.size.height/2.0f);
    [keyWindow addSubview:showMessageView];
    [showMessageView showAnimated:YES];
    return showMessageView;
}
//动画展示
- (void)showAnimated:(BOOL)animated
{
    self.alpha = 0;
    [UIView animateWithDuration:.35 animations:^{
        self.alpha = 1;
    }];
}
#pragma mark 消失
- (void)hideAnimated:(BOOL)animated afterDelay:(NSTimeInterval)afterDelay
{
    NSTimer *timer = [NSTimer timerWithTimeInterval:afterDelay target:self selector:@selector(handleTimer:) userInfo:@(animated) repeats:NO];
    [[NSRunLoop currentRunLoop] addTimer:timer forMode:NSRunLoopCommonModes];
    self.hideDelayTimer = timer;
    
}
- (void)handleTimer:(NSTimer *)timer
{
    [self dismissAnimation];
}
//动画消失
- (void)dismissAnimation
{
    self.alpha = 1;
    [UIView animateWithDuration:.35 animations:^{
        self.alpha = 0;
    }completion:^(BOOL finished) {
        [self.hideDelayTimer invalidate];
        self.hideDelayTimer = nil;
        [self removeFromSuperview];
    }];
}

//赋值
- (void)setImageStr:(NSString *)imageStr
{
    self.imageView.image = [UIImage imageNamed:imageStr];
}
- (void)setTextStr:(NSString *)textStr
{
    self.warnLabel.text = textStr;
    
    CGRect rect = [textStr boundingRectWithSize:CGSizeMake(300*KScale, MAXFLOAT) options:NSStringDrawingUsesLineFragmentOrigin|NSStringDrawingUsesFontLeading attributes:@{NSFontAttributeName:_warnLabel.font} context:nil];
    CGFloat height = rect.size.height;
    CGFloat h = height+78*KScale+30*KScale;
    
    self.customView.frame = CGRectMake((self.frame.size.width-350*KScale)/2, (self.frame.size.height-h)/2, 350*KScale, h);
    self.warnLabel.frame = CGRectMake(25*KScale, 78*KScale, 300*KScale, height);
    
}