1 +(void)showMessage:(NSString *)message 2 { 3 UIWindow * window = [UIApplication sharedApplication].keyWindow; 4 UIView *view = [[UIView alloc]initWithFrame:CGRectMake(0, 0, KscreenWidth, KscreenHeigh)]; 5 view.backgroundColor = [UIColor colorWithWhite:0 alpha:0.6]; 6 [window addSubview:view]; 7 CGRect message_rect = [message boundingRectWithSize:CGSizeMake(window.frame.size.width, MAXFLOAT) options:NSStringDrawingUsesLineFragmentOrigin attributes:@{NSFontAttributeName:[UIFont systemFontOfSize:17]} context:nil]; 8 9 UIView *showview = [[UIView alloc]init]; 10 showview.backgroundColor = [UIColor whiteColor]; 11 showview.frame = CGRectMake((window.frame.size.width-message_rect.size.width)/2, (window.frame.size.height-SCREEN_HEIGHT)/2, message_rect.size.width, SCREEN_HEIGHT); 12 showview.alpha = 1.0f; 13 showview.layer.cornerRadius = 5.0f; 14 showview.layer.masksToBounds = YES; 15 [window addSubview:showview]; 16 17 UILabel *label = [[ 18 UILabel alloc]init]; 19 label.frame = CGRectMake(0, 0, message_rect.size.width, SCREEN_HEIGHT); 20 label.text = message; 21 label.textColor = [UIColor blackColor]; 22 label.numberOfLines = 0; 23 label.textAlignment = 1; 24 label.backgroundColor = [UIColor clearColor]; 25 label.font = [UIFont systemFontOfSize:15]; 26 [showview addSubview:label]; 27 28 [UIView animateWithDuration:2 animations:^{ 29 showview.alpha = 0; 30 view.alpha = 0; 31 } completion:^(BOOL finished) { 32 [showview removeFromSuperview]; 33 [view removeFromSuperview]; 34 }]; 35 }