@evva/abrevva-capacitor
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3.0.2 • Public • Published

Abrevva Capacitor Plugin

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The EVVA Capacitor Plugin is a collection of tools to work with electronical EVVA access components. It allows for scanning and connecting via BLE.

Features

  • BLE Scanner for EVVA components in range
  • Localize EVVA components encountered by a scan
  • Disengage EVVA components encountered by a scan
  • Read / Write data via BLE

Requirements

  • Capacitor >= 5.0.0
  • Java 17+ (Android)
  • Android SDK (Android)
  • Android 10+ (API level 29) (Android)
  • Xcode 15.4 (iOS)
  • iOS 15.0+ (iOS)

Installation

Capacitor 6

npm install @evva/abrevva-capacitor
npx cap sync

Capacitor 5

npm install @evva/abrevva-capacitor@1.0.1
npx cap sync

Examples

Initialize and scan for EVVA components

import { AbrevvaBLEClient, ScanResult } from "@evva/abrevva-capacitor";

class ExampleClass {
  private results: ScanResult[];
  
  async startScan(event: any) {
    this.results = [];
    
    await AbrevvaBLEClient.requestLEScan({ timeout: 5_000 }, (result: ScanResult) => {
      this.results.push(result);
    });
  }
}

Localize EVVA component

With the signalize method you can localize EVVA components. On a successful signalization the component will emit a melody indicating its location.

const success = await AbrevvaBLEClient.signalize('deviceId');

Perform disengage on EVVA components

For the component disengage you have to provide access credentials to the EVVA component. Those are generally acquired in the form of access media metadata from the Xesar software.

const status = await AbrevvaBLEClient.disengage(
  'mobileId',
  'mobileDeviceKey',
  'mobileGroupId',
  'mobileAccessData',
  false,
);

API

Interfaces

AbrevvaBLEInterface

Method Signature
initialize (options?: InitializeOptions | undefined) => Promise<void>
isEnabled () => Promise<BooleanResult>
isLocationEnabled () => Promise<BooleanResult>
startEnabledNotifications () => Promise<void>
stopEnabledNotifications () => Promise<void>
openLocationSettings () => Promise<void>
openBluetoothSettings () => Promise<void>
openAppSettings () => Promise<void>
requestLEScan (options?: RequestBleDeviceOptions | undefined) => Promise<void>
stopLEScan () => Promise<void>
addListener (eventName: "onEnabledChanged", listenerFunc: (result: BooleanResult) => void) => PluginListenerHandle
addListener (eventName: string, listenerFunc: (event: ReadResult) => void) => PluginListenerHandle
addListener (eventName: "onScanResult", listenerFunc: (result: ScanResultInternal) => void) => PluginListenerHandle
connect (options: DeviceIdOptions & TimeoutOptions) => Promise<void>
disconnect (options: DeviceIdOptions) => Promise<void>
read (options: ReadOptions & TimeoutOptions) => Promise<ReadResult>
write (options: WriteOptions & TimeoutOptions) => Promise<void>
signalize (options: SignalizeOptions) => Promise<void>
disengage (options: DisengageOptions) => Promise<StringResult>
startNotifications (options: ReadOptions) => Promise<void>
stopNotifications (options: ReadOptions) => Promise<void>

InitializeOptions

Prop Type
androidNeverForLocation boolean

BooleanResult

Prop Type
value boolean

RequestBleDeviceOptions

Prop Type
services string[]
name string
namePrefix string
optionalServices string[]
allowDuplicates boolean
scanMode ScanMode
timeout number

PluginListenerHandle

Prop Type
remove () => Promise<void>

ReadResult

Prop Type
value string

ScanResultInternal

Prop Type
device BleDevice
localName string
rssi number
txPower number
manufacturerData { [key: string]: T; }
serviceData { [key: string]: T; }
uuids string[]
rawAdvertisement T

BleDevice

Prop Type
deviceId string
name string
uuids string[]

DeviceIdOptions

Prop Type
deviceId string

TimeoutOptions

Prop Type
timeout number

ReadOptions

Prop Type
deviceId string
service string
characteristic string

WriteOptions

Prop Type
deviceId string
service string
characteristic string
value string

SignalizeOptions

Prop Type
deviceId string

StringResult

Prop Type
value string

DisengageOptions

Prop Type
deviceId string
mobileId string
mobileDeviceKey string
mobileGroupId string
mobileAccessData string
isPermanentRelease boolean

AbrevvaCryptoInterface

Method Signature
encrypt (options: { key: string; iv: string; adata: string; pt: string; tagLength: number; }) => Promise<{ cipherText: string; authTag: string; }>
encryptFile (options: { sharedSecret: string; ptPath: string; ctPath: string; }) => Promise<void>
decrypt (options: { key: string; iv: string; adata: string; ct: string; tagLength: number; }) => Promise<{ plainText: string; authOk: boolean; }>
decryptFile (options: { sharedSecret: string; ctPath: string; ptPath: string; }) => Promise<void>
decryptFileFromURL (options: { sharedSecret: string; url: string; ptPath: string; }) => Promise<void>
generateKeyPair () => Promise<{ privateKey: string; publicKey: string; }>
computeSharedSecret (options: { privateKey: string; peerPublicKey: string; }) => Promise<{ sharedSecret: string; }>
computeED25519PublicKey (options: { privateKey: string; }) => Promise<{ publicKey: string; }>
sign (options: { privateKey: string; data: string; }) => Promise<{ signature: string; }>
verify (options: { publicKey: string; data: string; signature: string; }) => Promise<void>
random (options: { numBytes: number; }) => Promise<{ value: string; }>
derive (options: { key: string; salt: string; info: string; length: number; }) => Promise<{ value: string; }>

Enums

ScanMode

Members Value
SCAN_MODE_LOW_POWER 0
SCAN_MODE_BALANCED 1
SCAN_MODE_LOW_LATENCY 2

Readme

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Install

npm i @evva/abrevva-capacitor

Weekly Downloads

14

Version

3.0.2

License

SEE LICENSE IN <LICENSE>

Unpacked Size

232 kB

Total Files

58

Last publish

Collaborators

  • axi92
  • sfw-evva