i have done research on barcode scanners available ios/android , found zxing framework reliable free scanner sdk auto-focus camera devices only(is right?). requirement scan barcode on ios/android devices , following operations should performed:
capture barcode image , use barcode scanner sdk (like zxing) scan image , decode details(like name, age , other personal details) barcode(i understand 2d barcodes formats qr code required purpose). firstly possible , performance, speed, accuracy in case?
but more importantly our customer has design such barcode decode(without internet connectivity, details should embedded in barcode). possible , if there specific frameworks available, essentials such framework?
any help, useful links appreciated. in advance!
not sure performance, speed , accuracy, they'll same existing barcode scanner apps, since zxing widely-used framework. you're right needing 2d barcode amount of data; bear in mind more data encode 2d barcode, harder barcode reader recognise.
zxing can well. zxing.appspot.com has same code zxing website uses generate barcodes. write app incorporates , you're go. can put data want 2d barcode, it'll how format data. there existing formats (like vcards , web links), sounds want custom format.
the easiest thing have @ zxing barcode reader app. pretty want has been done, , apache license pretty permissive.
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