带有背景显示加载中的activity代码,ObjC代码库,德仔网

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【ObjC】带有背景显示加载中的activity

作者:昶福 / 发布于2014/11/7/ 497


	+(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 - 40, 80, 80)];
	 backgroudview.backgroundColor = [UIColor blackColor];
	 backgroudview.alpha = 0.4;
	 backgroudview.layer.cornerRadius = 6;
	 backgroudview.layer.masksToBounds = YES;
	
	 UILabel *label = [[UILabel alloc] initWithFrame:CGRectMake(10, 2, 60, 20)];
	 label.text = @"请稍后...";
	 label.textColor = [UIColor whiteColor];
	 label.font = [UIFont boldSystemFontOfSize:15];
	 label.adjustsFontSizeToFitWidth = YES;
	
	 UIActivityIndicatorView* act = [[UIActivityIndicatorView alloc] initWithFrame:CGRectMake(22, 35, 36, 36)];
	 act.activityIndicatorViewStyle = UIActivityIndicatorViewStyleWhiteLarge;
	 [act startAnimating];
	 [backgroudview addSubview:act];
	 [backgroudview addSubview:label];
	
	
	 [del.nav.topViewController.view addSubview:backgroudview];
	
	 return backgroudview;
	}

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