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@ledgerhq/hw-transport-u2f

Allows to communicate with Ledger Hardware Wallets.

[React Native] (HID) Android – Ledger's native implementation.

Are you adding Ledger support to your software wallet?

You may be using this package to open a USB connection between your mobile application and the device.

For a smooth and quick integration:

• See the developers’ documentation on the Developer Portal and
• Go on Discord to chat with developer support and the developer community.

API

Table of Contents

• HIDTransport
  • Parameters
  • Examples
  • exchange
    • Parameters
  • close
  • isSupported
  • list
  • listen
    • Parameters
  • open
    • Parameters

HIDTransport

Extends Transport

Ledger's React Native HID Transport implementation

Parameters

• nativeId number
• productId number

Examples

import TransportHID from "@ledgerhq/react-native-hid";
...
TransportHID.create().then(transport => ...)

exchange

Parameters

• apdu any input value

Returns Promise<any> Promise of apdu response

close

Close the transport

Returns any Promise

isSupported

Check if the transport is supported (basically true on Android)

Returns Promise<boolean>

list

List currently connected devices.

Returns Promise<Array<any>> Promise of devices

listen

Listen to ledger devices events

Parameters

• observer any

Returns any

open

Open a the transport with a Ledger device

Parameters

• deviceObj DeviceObj