Files
tauri-plugins-workspace/plugins/biometric
Patrick F.andLucas Nogueira dff0dd4b23 fix(biometric) Incorrect error reported on Android with no device passcode set and fallback allowed (#2648)
* Fix incorrect error being reported in certain cases with fallback allowed

* Add change file

* Rework original solution due to overlooking authenticators logic on API >= `Build.VERSION_CODES.R`

* fix(biometric): don't cast the Android error message to String

* fix(biometric): report a missing device credential before showing the Android prompt

Replaces the override of ERROR_NO_BIOMETRICS in the prompt callback, which keyed on
the caller's flag rather than the device state and missed the no-hardware errors.

* fix(biometric): load the missing device credential message from a string resource

* chore(biometric): drop stray semicolon

* docs(biometric): mention the passcodeNotSet error code rename in the change file

* test(e2e): cover the biometric passcodeNotSet rejection on Android

---------

Co-authored-by: Lucas Nogueira <lucas@tauri.app>
2026-10-11 21:56:38 -03:00
..
2026-09-30 17:56:45 -03:00
2026-10-10 12:50:18 -03:00
2026-10-10 12:50:18 -03:00

biometric

Prompt the user for biometric authentication on Android, iOS and macOS.

Platform Supported
Linux x
Windows x
macOS ✓
Android ✓
iOS ✓

Install

This plugin requires a Rust version of at least 1.65

There are three general methods of installation that we can recommend.

  1. Use crates.io and npm (easiest, and requires you to trust that our publishing pipeline worked)
  2. Pull sources directly from Github using git tags / revision hashes (most secure)
  3. Git submodule install this repo in your tauri project and then use file protocol to ingest the source (most secure, but inconvenient to use)

Install the Core plugin by adding the following to your Cargo.toml file:

src-tauri/Cargo.toml

[dependencies]
tauri-plugin-biometric = "2.0.0"
# alternatively with Git:
tauri-plugin-biometric = { git = "https://github.com/tauri-apps/plugins-workspace", branch = "v2" }

You can install the JavaScript Guest bindings using your preferred JavaScript package manager:

pnpm add @tauri-apps/plugin-biometric
# or
npm add @tauri-apps/plugin-biometric
# or
yarn add @tauri-apps/plugin-biometric

Usage

First you need to register the core plugin with Tauri:

src-tauri/src/lib.rs

fn main() {
    tauri::Builder::default()
        .plugin(tauri_plugin_biometric::init())
        .run(tauri::generate_context!())
        .expect("error while running tauri application");
}

Afterwards all the plugin's APIs are available through the JavaScript guest bindings:

import { authenticate } from '@tauri-apps/plugin-biometric'
await authenticate('Open your wallet')

Contributing

PRs accepted. Please make sure to read the Contributing Guide before making a pull request.

Contributed By

CrabNebula Impierce

Partners

CrabNebula

For the complete list of sponsors please visit our website and Open Collective.

License

Code: (c) 2015 - Present - The Tauri Programme within The Commons Conservancy.

MIT or MIT/Apache 2.0 where applicable.