credit-card-track-data

card io not scanning credit card in android

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问题 I am trying to implement Card.io in my app, I followed the instructions on Card.io website and when I get into my app and I launch it. When I click button I call CardIOActivity and I can't turn on my camera. I have this screen when I click button This is my manifest code: <uses-sdk android:minSdkVersion="8" /> <uses-permission android:name="android.permission.CAMERA" /> <uses-permission android:name="android.permission.VIBRATE" /> <uses-feature android:name="android.hardware.camera" android

How to tell credit card's country of origin by its number?

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I'm trying to develop an application, which would give access to different services for people from different regions of the world. Let's say, someone enters card number 1111-1111-1111-1111 . How do I use it to tell the country of origin? I know that this is possible, because paypal and apple do it. At first, I questioned whether this information could be gleened from the credit card number alone. Then I found it here: http://en.wikipedia.org/wiki/List_of_Bank_Identification_Numbers Edit - Don't forget about PCI Compliance if you are taking credit card numbers for payment. Edit - Apparently

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