react-native-nfc-hce

Inspired by android-CardEmulation

🌟🔥Only supported Android !🔥🌟

Requisites

- Android (API 19+)
- Android SDK 27
- Android Build Tools v27.0.2

Getting started

$ npm install react-native-nfc-hce --save

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$ react-native link react-native-nfc-hce

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#### Android

1. Open up android/app/src/main/java/[...]/MainActivity.java

- Add import studio.bb.rnlib.RNHcePackage; to the imports at the top of the file
- Add new RNHcePackage() to the list returned by the getPackages() method

2. Append the following lines to android/settings.gradle:
``
include ':react-native-hce'
project(':react-native-hce').projectDir = new File(rootProject.projectDir, '../node_modules/react-native-hce/android')
`
3. Insert the following lines inside the dependencies block in android/app/build.gradle:
`
compile project(':react-native-hce')
`

Setup

1. Open up android/app/src/main/AndroidManifest.xml

- Add
- Add
`
android:name="studio.bb.rnlib.CardService"
android:exported="true"
android:permission="android.permission.BIND_NFC_SERVICE">



android:name="android.nfc.cardemulation.host_apdu_service"
android:resource="@xml/aid_list" />

`

2. Create aid_list.xml in android/app/src/main/res/xml/

- Add code in aid_list.xml

`xml
android:description="@string/service_name"
android:requireDeviceUnlock="false">
android:category="other"
android:description="@string/card_title">



`

The aid need to customize

- Edit AID in react-native-nfc-hce/android/src/main/java/studio/bb/rnlib/CardService.java

`JAVA
public class CardService extends HostApduService {

private static final String TAG = "CardService";

private static final String AID = "F201808175";
`

Usage

`javascript
import HCE from "react-native-hce";

componentDidMount = () => {
const { support, enabled } = HCE.supportNFC();

HCE.listenNFCStatus(enabled => {
console.log("NFC enabled: ", enabled);
});
};

_onChangeText = text => {
if (text.length > 0) {
HCE.setCardContent(text);
}
};
``

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Get NFC supported and enabled

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Listen NFC enabled status

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Write CardEmulation content