FingerprintAuthenticator example


The index.html file containing JavaScript that makes use of the FingerprintAuthenticator API functionality is listed below.

The following examples show how you can use various methods of the FingerprintAuthenticator.

Creating a new instance of the FingerprintAuthenticator object:

var authenticator = window.launchbox.Authentication.authenticator(window.launchbox.Authentication.Type.FINGERPRINT_AUTHENTICATOR);

Checking if the device has been equipped with hardware that enables fingerprint authentication and if the user has already enrolled any fingerprints:

authenticator.checkAvailability()  
  .then(function(isAvailable){  
  console.log("Is Fingerprint Authentication available? " + isAvailable);  
  });

Saving the credentials in the device's fingerprint-secured keychain:

authenticatior.create({identifier: "user", password: "rules"  
  .then(function(){  
       console.log("Created");  
  })  
  .catch(function(err){  
     console.log(JSON.stringify(err));  
  });

Retrieving the credentials from the device's fingerprint-secured keychain:

authenticator.authenticate()  
  .then(function(payload){  
       console.log("Authenticated with " + JSON.stringify(payload));  
  })  
  .catch(function(err){  
       console.log(JSON.stringify(err));  
  });

Deleting the credentials from the device's fingerprint-secured keychain:

authenticator.remove()  
  .then(function(){  
  console.log("Data removed");  
  })  
  .catch(function(err){  
  console.log(JSON.stringify(err));  
  });

Related topics

Authentication
FingerprintAuthenticator
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