带有背景显示加载中的activity

直接调用可以出现一个加载框视图

 

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
+(UIView *)LoadingView
{
    AppDelegate* del = (AppDelegate*)[[UIApplication sharedApplication] delegate];
    CGFloat rect = [UIScreen mainScreen].bounds.size.height;
    CGFloat rect2 = [UIScreen mainScreen].bounds.size.width;
    UIView* backgroudview = [[UIView alloc] initWithFrame:CGRectMake(rect2/2 40, rect/2 408080)];
    backgroudview.backgroundColor = [UIColor blackColor];
    backgroudview.alpha 0.4;
    backgroudview.layer.cornerRadius 6;
    backgroudview.layer.masksToBounds YES;
     
    UILabel *label = [[UILabel alloc] initWithFrame:CGRectMake(1026020)];
    label.text @"请稍后...";
    label.textColor = [UIColor whiteColor];
    label.font = [UIFont boldSystemFontOfSize:15];
    label.adjustsFontSizeToFitWidth YES;
     
    UIActivityIndicatorView* act = [[UIActivityIndicatorView alloc]initWithFrame:CGRectMake(22353636)];
    act.activityIndicatorViewStyle UIActivityIndicatorViewStyleWhiteLarge;
    [act startAnimating];
    [backgroudview addSubview:act];
    [backgroudview addSubview:label];
     
     
    [del.nav.topViewController.view addSubview:backgroudview];
     
    return backgroudview;
}
 
 

posted on 2014-07-30 12:08  恒山之阳  阅读(164)  评论(0编辑  收藏  举报

导航