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I want to develop an android NFC based application in which I want to read and write data into NFC tags. How to do this? Can anybody tell me the tutorials and android API's.
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How close do you have to be for NFC to work? NFC works effectively within a 4-inch radius. Devices must be within this range for NFC to work. Such close proximity makes NFC safer and more secure than other similar technologies for contactless payments.
You can write data to an NFC tag using an NFC-enabled Android phone. First, you must download an NFC programming app from the Google Play Store. Once you have installed the app on your phone, you can use it to write data to an NFC tag.
To simply write to one blank NFC tag, make sure all of these options are unchecked. Finally, select “Write” at the bottom of the screen and tap the back of your phone to a blank NFC tag as if you were going to read it. This writes the URL to the tag. Congratulations, you've just encoded your first NFC tag!
Here are two blogs posts which walk through code and have supporting videos to help developers get started reading and writing NFC tags in Android.
NFC Workshop Series: Writing To An NFC Tag:
NFC Workshop Series: Reading An NFC Tag:
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Start with the documentation:
https://developer.android.com/guide/topics/connectivity/nfc/index.html
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