底部提示语

+(void)showMessage:(NSString *)message

{

UIWindow * window = [UIApplication sharedApplication].keyWindow;

UIView *showview =  [[UIView alloc]init];

showview.backgroundColor = [UIColor blackColor];

showview.frame = CGRectMake(1, 1, 1, 1);

showview.alpha = 1.0f;

showview.layer.cornerRadius = 5.0f;

showview.layer.masksToBounds = YES;

[window addSubview:showview];

UILabel *label = [[UILabel alloc]init];

//    CGSize LabelSize = [message sizeWithFont:[UIFont systemFontOfSize:17] constrainedToSize:CGSizeMake(290, 9000)];

CGSize LabelSize = [message boundingRectWithSize:CGSizeMake(290, 9000) options:NSStringDrawingUsesLineFragmentOrigin attributes:@{NSFontAttributeName:[UIFont systemFontOfSize:17]} context:nil].size;

label.frame = CGRectMake(10, 5, LabelSize.width, LabelSize.height);

label.text = message;

label.textColor = [UIColor whiteColor];

label.textAlignment = 1;

label.backgroundColor = [UIColor clearColor];

label.font = [UIFont boldSystemFontOfSize:15];

[showview addSubview:label];

showview.frame = CGRectMake((LCDW - LabelSize.width - 20)/2, LCDH - 100, LabelSize.width+20, LabelSize.height+10);

[UIView animateWithDuration:2 animations:^{

showview.alpha = 0;

} completion:^(BOOL finished) {

[showview removeFromSuperview];

}];

}