如何在iOS 6.0及更高版本的ZBar条形码阅读器中隐藏信息按钮 [英] How to hide info button in ZBar Bar Code Reader for iOS6.0 and above

问题描述

我在iOS App中使用的是iOS 5.0及更高版本的ZBar条形码阅读器.

I am using ZBar Bar Code Reader for iOS 5.0 and above in my iOS App.

我已使用Camera Interface上的以下代码隐藏了信息按钮.

I have made info button hidden using following code on Camera Interface.

UIView * infoButton= infoButton = [[[[[reader.view.subviews objectAtIndex:1] subviews] objectAtIndex:0] subviews] objectAtIndex:2];
[infoButton setHidden:YES];

但是某种程度上，此代码不适用于iOS6.0及更高版本.

But somehow this code doesn't work for iOS6.0 and Above.

推荐答案

尝试使用此代码，该代码在iOS5.0及更高版本上对我有效.

Try this code, this worked for me on iOS5.0 and above.

float currentVersion = 5.1;
float sysVersion = [[[UIDevice currentDevice] systemVersion] floatValue];

UIView * infoButton;
if (sysVersion > currentVersion)
   infoButton = [[[[[reader.view.subviews objectAtIndex:1] subviews] objectAtIndex:0] subviews] objectAtIndex:3];
else
   infoButton = [[[[[reader.view.subviews objectAtIndex:1] subviews] objectAtIndex:0] subviews] objectAtIndex:2];
[infoButton setHidden:YES];

说明. 在iOS 6.0中，如果您打印日志.

Explanation. In iOS 6.0, If you print the log.

NSLog(@"%@",[[[[reader.view.subviews objectAtIndex:1] subviews] objectAtIndex:0] subviews]);

输出.

"<_UIToolbarBackground: 0xa0991c0; frame = (0 0; 320 54); autoresize = W; userInteractionEnabled = NO; layer = <CALayer: 0xa0795e0>>",
"<UIImageView: 0xa05d630; frame = (0 -3; 320 3); opaque = NO; autoresize = W+BM; userInteractionEnabled = NO; layer = <CALayer: 0xa05cfb0>>",
"<UIToolbarTextButton: 0xa0a8cc0; frame = (6 0; 60 54); opaque = NO; layer = <CALayer: 0xa0a9460>>",
"<UIButton: 0xa0960e0; frame = (290 18; 18 19); opaque = NO; layer = <CALayer: 0xa0615a0>>

在iOS 5.0中，如果您打印日志.

in iOS 5.0, If you print the log.

NSLog(@"%@",[[[[reader.view.subviews objectAtIndex:1] subviews] objectAtIndex:0] subviews]);

输出.

"<_UIToolbarBackground: 0x8d9df90; frame = (0 0; 320 54); userInteractionEnabled = NO; layer = <CALayer: 0x8dc12c0>> - (null)",
"<UIToolbarTextButton: 0x8de5ae0; frame = (6 0; 60 54); opaque = NO; layer = <CALayer: 0x8de5db0>>",
"<UIButton: 0x8d1b110; frame = (290 18; 18 19); opaque = NO; layer = <CALayer: 0x8dba2b0>>"

因此，对于iOS 6.0及更高版本，它应该是索引3的对象，因为还有一个额外的视图UIImageView .

这篇关于如何在iOS 6.0及更高版本的ZBar条形码阅读器中隐藏信息按钮的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！