Cant get the NFC plugin to work on Android and Windows Phone

[cmeegamarachchi]

I am trying to get build a test cordova application to read and write NFC tags targeting windows phones and android phone. When the test application is deployed to devices, on android I get an error message telling “Class Not found” while trying to register the listener. On windows phone I get nothing.

Following are the steps I used to create the application using the cordova CLI

Created a cordova application

Added platforms

Added the plugin (https://github.com/chariotsolutions/phonegap-nfc.git)

Added the following code replacing deviceready in index.js file

try {
    // Read NDEF formatted NFC Tags
    nfc.addNdefListener(
        function (nfcEvent) {
            var tag = nfcEvent.tag,
                ndefMessage = tag.ndefMessage;

            // dump the raw json of the message
            // note: real code will need to decode
            // the payload from each record
            alert(JSON.stringify(ndefMessage));

            // assuming the first record in the message has 
            // a payload that can be converted to a string.
            alert(nfc.bytesToString(ndefMessage[0].payload).substring(3));
        },
        function () { // success callback
            alert("Waiting for NDEF tag");
        },
        function (error) { // error callback
            alert("Error adding NDEF listener " + JSON.stringify(error));
        }
    );
} catch (ex) {
    alert(ex.message);
}

app.receivedEvent('deviceready');

}

Compressed the project folder and uploaded it to phone-gap-build.

Got the project build and deployed to android and windows 8.1 phones (nfc was enabled on both devices). Phone-gap build has used PhoneGap 3.7.0 to build the application

When I tried to execute the app, while trying to register the listener, Android complained ‘Class not found’. Windows phone did not throw any errors (at least nothing I could see), but was not recognizing any of the NFC cards presented to it. Under \nfcReaderB\platforms\android\src\com\chariotsolutions\nfc\plugin, I can see the required java source files for android platform

NFC functions on the phones are working fine

The code is available at https://github.com/cmeegamarachchi/nfc

And help on resolving this is much appreciated

[don]

Class not found usually means that PhoneGap can't find the plugin.

I cloned your project and it ran on android with Cordova 5.0, so I'm thinking this is PhoneGap build problem. Or perhaps, just a version problem?

$ git clone https://github.com/cmeegamarachchi/nfc.git
$ cd nfc
$ cordova run android --device

I'll see if I can get it to work with PhoneGap later

[cmeegamarachchi]

Many thanks for the quick feedback Don.

Please do let me know if you could get it to run with phone-gap

Chintana

[don]

Your repo works with PhoneGap 5.3.1 on Android when building locally.

I'm guessing this is a PhoneGap Build problem. See if you can install the plugin from NPM by editing config.xml http://docs.build.phonegap.com/en_US/configuring_plugins.md.html

[don]

@cmeegamarachchi To get your repository to work with phonegap build, I added the gap namespace and the phonegap-nfc plugin to config.xml.

<gap:plugin name="phonegap-nfc" source="npm" />

See the fork of your project for more info See https://github.com/don/phonegap-nfc-issue-190