2017년 8월 6일 일요일

NFC Cup game


I'm trying get acquainted with NFC capability of MIT app inventor, so I looked at the tutorial for the NFC cup game and downloaded it onto my Nexus 7. However, every time I scan a tag (Topaz 512), the tablet automatically reads it and says "Empty tag." I can't get my application to access it.

Any ideas on what's going on?

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are you writing to the tag first?

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I've tried with tags that are written and with empty tags. Either way, the tablet itself reads it (and reports it empty if empty), but the cup game app does not seem to connect with tags at all.

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I am having the same issue as Leen, using the same tags. Simply using the "write" function in AppInventor is not actually writing the tag; instead, a dialogue about a "New Tag" pops up, which seems related to the Tag Dispatch System...

Jos, which tags specifically have you had success writing to using AppInventor? I'm happy to just buy whatever you're using.


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I am beginning to suspect that AI2 is simply not compatible with the tags I am using. I am using Topaz 512 tags, which are NFC forum type 2. Should I switch?

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Solution found!
For some reason, the none of the tags work right from the manufacturer. After I write a test message using the app NFC TagWriter by NXP, the tags are formatted and work perfectly with AI2

Note: 

The NFC TagWriter by NXP stores contacts, bookmarks, geo location, Bluetooth Handover, SMS, Mail, text messages and many more to any NFC-enabled tags as well as to items like posters, business cards, watches and many more containing NFC-enabled electronics. Once data has been stored the application allows also reading and viewing the programmed data including options to launch applications automatically based on the contained data.

NOTE: Installing TagWriter on a non-NFC enabled phone is enabled now but it does of course not allow you to actually program tags. Anyhow, you can now prepare NFC data sets e.g. on a large screen device and then share them with an NFC enabled handset to actually make use of them. Besides that you can catch a pre-view on what you could do with a handset supporting NFC.
Please contact us at nfcapp.support@nxp.com if you have problems. We will continue our efforts to add new features for your benefits and we work hard to provide a feature rich application ahead of other apps available in the market.
Advanced Features: http://inspire.nxp.com/tagwriter/tag-writer-user-manual.pdf
Main Features:
- Extended support for NXP NTAG 21x Tags – UID mirror, Counter Mirror and Password Feature
- WiFi Pairing for handsets supporting this feature
- Bluetooth pairing for all NFC enabled Android versions
- Application launching with optional data handover
- Easily create tag content from your contacts and bookmarks
- Create new content with the included NFC data set editor
- Convert QR Codes into NFC data sets
- View the existing contents of a tag
- Export, import and share NFC data sets
- Manage your own history of tags viewed and written
- Tap to Launch feature to execute content of NFC tags with a simple tap
- Backup the contents of a tag before writing it
- Erase the contents of a tag
- Insert increasing counter values when writing NFC data sets
- Write-protect a tag
- Write multiple tags in sequence
- Write multiple Datasets in CSV format on multiple tags in sequence
Semicolon separator: https://inspire.nxp.com/tagwriter/TagWriter_MassEncoding_template.csv
Comma separator: https://inspire.nxp.com/tagwriter/TagWriter_MassEncoding_template_eng.csv

Next to the creation and storing of NFC data sets the NFC TagWriter by NXP also allows to automatically launching applications based on the data read from NFC-enabled tags and items containing NFC-enabled electronics.
The following NFC data sets are supported to launch applications:
- Contact (vCard) to import data into the address book (Contacts)
- Bookmarks (URL) to open a given web address
- Plain text to display simple messages directly on the screen
- SMS (SMS URI) to create a new message
- Mail (Mail URI) to create a new mail message
- Telephone number (TEL URI) to start a call
- Bluetooth to pair and connect devices
- WiFi to connect to WiFi Networks
- Geo location to open a given destination- File URI to open a file on the device, including file picker UI
- URI to create any kind of URI, also those not directly supported by the NXP TagWriter

It supports a series of configuration options adapting the application to your own needs and preferences.

The application fully supports the NFC Forum Type 1 Tag, Type 2 Tag, Type 3 Tag as well as Type 4 Tag portfolio. This includes a whole range of NXP and third party NFC-enabled contactless IC products like MIFARE Ultralight, MIFARE Classic, MIFARE DESFire, NTAG 21x, NTAG I2C, ICODE SLI & many others.TagWriter supports any NDEF pre-formatted tags for all NDEF operations but formating to NDEF feature is limited only to NXP Tags.

Please help us to improve and provide “crash report” and/or contact us via nfcapp.support@nxp.com. This helps us to detect, analyze and provide fix for the ICs that have not been verified to work and so may cause problems or unexpected behavior on use.


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could you possible upload ur code. im all week trying to get this nfc app to work to no avail.

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Go to Settings -> Application Manager -> Swipe in from the right until you are at the heading all. Scroll down and look for the app tags. Click on it and disable it

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