com.willblaschko.android.alexa

Class AuthorizationManager

java.lang.Object

com.willblaschko.android.alexa.AuthorizationManager

public class AuthorizationManager
extends java.lang.Object

A static instance class that manages Authentication with the Amazon servers, it uses the TokenManager helper class to do most of its operations including get new/refresh tokens from the server Some more details here: https://developer.amazon.com/public/solutions/alexa/alexa-voice-service/docs/authorizing-your-alexa-enabled-product-from-a-website

Constructor Summary

Constructors

Constructor and Description
AuthorizationManager(Context context, java.lang.String productId) Create a new Auth Manager based on the supplied product id This will throw an error if our assets/api_key.txt file, our package name, and our signing key don't match the product ID, this is a common sticking point for the application not working

Method Summary

Modifier and Type	Method and Description
void	authorizeUser(AuthorizationCallback callback) Request authorization for the user to be able to use the application, this opens an intent that feeds back to the app: Make sure this is in the main application's AndroidManifest
static java.lang.String	base64UrlEncode(byte[] arg) Encode a byte array into a string, while trimming off the last characters, as required by the Amazon token server See: http://brockallen.com/2014/10/17/base64url-encoding/
void	checkLoggedIn(Context context, AsyncCallback<java.lang.Boolean,java.lang.Throwable> callback) Check if the user is currently logged in by checking for a valid access token (present and not expired).
static java.lang.String	createCodeVerifier() Create a new code verifier for our token exchanges
com.amazon.identity.auth.device.authorization.api.AmazonAuthorizationManager	getAmazonAuthorizationManager()
static byte[]	getHash(java.lang.String password) Hash a string based on the SHA-256 message digest

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

AuthorizationManager

public AuthorizationManager(@NotNull
                            Context context,
                            @NotNull
                            java.lang.String productId)

Create a new Auth Manager based on the supplied product id This will throw an error if our assets/api_key.txt file, our package name, and our signing key don't match the product ID, this is a common sticking point for the application not working

Parameters:

context -

productId -

Method Detail

checkLoggedIn

public void checkLoggedIn(Context context,
                          AsyncCallback<java.lang.Boolean,java.lang.Throwable> callback)

Check if the user is currently logged in by checking for a valid access token (present and not expired).

Parameters:

context -

callback -

authorizeUser

public void authorizeUser(AuthorizationCallback callback)

Request authorization for the user to be able to use the application, this opens an intent that feeds back to the app: Make sure this is in the main application's AndroidManifest

Parameters:

callback - our state change callback

createCodeVerifier

public static java.lang.String createCodeVerifier()

Create a new code verifier for our token exchanges

Returns:

the new code verifier

base64UrlEncode

public static java.lang.String base64UrlEncode(byte[] arg)

Encode a byte array into a string, while trimming off the last characters, as required by the Amazon token server See: http://brockallen.com/2014/10/17/base64url-encoding/

Parameters:

arg - our hashed string

Returns:

a new Base64 encoded string based on the hashed string

getHash

public static byte[] getHash(java.lang.String password)

Hash a string based on the SHA-256 message digest

Parameters:

password -

Returns:

getAmazonAuthorizationManager

public com.amazon.identity.auth.device.authorization.api.AmazonAuthorizationManager getAmazonAuthorizationManager()