I am working on an barcode reader app which currently uses zbar sdk, i works like magic on iphone 4G but does it also works with ipod touch????? if it does'nt then is that any othe开发者_JS百科r api which supports barcode reader in ipod touch.
Thanks
Yes it does. For QR codes its quite fast. But for UPC, you may have to be a bit specific about the distance from where you are scanning though(scan from 30cms). Read this for further info.
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It seems to me Apple won\'t allow this, but I need to make sure. For an app we\'re building, we want to ask the user to enter payment information (including credit card details) to pay for tickets. T
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是否在对方手机上显示已读，是由用户自行设置的。依次打开iPhone的“设置-信息”，会有一个“发送已读回执”的选项。将其打开，对方就能看到你，是否已经阅读了本条iMessage信息。将其关闭，对方就看不到。
微信重新建群怎么开发者_Go百科建？ 产品名称：苹果手机 产品型号：iPhone 11 系统版本：iOS 13
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