MozNFCTag

MozNFCTag contains the basic functions needed to read, write, and inspect NDEF-compatible NFC Tags.

Methods

MozNFCTag.makeReadOnly()

Calling makeReadOnly() will make the NDEF stored on this tag read only. Avalable in Firefox OS 2.2+.

MozNFCTag.format()

Formats this tag as NDEF-compatible. Avalable in Firefox OS 2.2+.

MozNFCTag.readNDEF()

readNDEF() retrieves the NDEF contents stored on this Tag, and returns the NDEF as an array of MozNDEFRecord objects.

MozNFCTag.writeNDEF()

writeNDEF() takes an array of MozNDEFRecord objects, and writes them to a NDEF-compatible tag.

Properties

 MozNFCTag.techList Read only

The supported NFC Technologies of this tag.

MozNFCTag.id Read only

The identifier of this tag.

MozNFCTag.type Read only

The type of this tag,

MozNFCTag.maxNDEFSize Read only

The maximum size of NDEF can be stored on this tag.

MozNFCTag.isReadOnly Read only

Indicate whether the NDEF content stored on this tag read-only or not.

MozNFCTag.isFormatable Read only

Inidicate whether this tag is NDEF-compatible or not.

MozNFCTag.canBeMadeReadOnly Read only

Indicate whether the NDEF stored on this tag could be configured as read-only or not.

MozNFCTag.isLost Read only

Indicate whether if this tag is already lost. (i.e. is moved out of range) 

Specifications

The NFC implementation in Gecko follows the NFC Forum specifications.

Browser compatibility

[1] Available in privileged apps as of Firefox OS 2.2; certified-only before that.

See also

• Using the NFC API
• Using the NFC emulator
• Introduction to NFC (fairly long reference doc, featuring general NFC terms, and some Nokia platform specifics.)