activityIndicator= [[UIActivityIndicatorViewalloc]initWithFrame:CGRectMake(0,0,80,80)];
[activityIndicatorsetBackgroundColor:[UIColorblackColor]];
[self.viewaddSubview:activityIndicator];
activityIndicator.activityIndicatorViewStyle=UIActivityIndicatorViewStyleWhiteLarge;
//设置背景透明
activityIndicator.alpha=0.6;
//设置背景为圆角矩形
activityIndicator.layer.cornerRadius=4;
activityIndicator.layer.masksToBounds=YES;
//设置显示位置
[activityIndicatorsetCenter:CGPointMake(self.view.frame.size.width/2.0,self.view.frame.size.height/3.0)];
网友评论