我正在开发一个扫描 QR 码的应用程序。当单击扫描按钮时,它会转到通用的全页相机视图。但我需要自定义该页面,以便徽标必须显示在底部,按钮位于顶部。扫描区域应该在这两者之间。我该如何实现?有人有答案吗?我使用的代码如下
- (IBAction) scanButtonTapped
{
// ADD: present a barcode reader that scans from the camera feed
ZBarReaderViewController *reader = [ZBarReaderViewController new];
reader.readerDelegate = self;
reader.supportedOrientationsMask = ZBarOrientationMaskAll;
ZBarImageScanner *scanner = reader.scanner;
[scanner setSymbology: ZBAR_I25
config: ZBAR_CFG_ENABLE
to: 0];
// present and release the controller
[self presentModalViewController: reader
animated: YES];
[reader release];
}