/**
* Stores the UID and Key that were registered in the Shared Preferences. The UID and Key and used
* to encrypt/decrypt the Token that is returned from the sample Cognito developer authentication
* application.
*/
public static void registerDeviceId(SharedPreferences sharedPreferences, String uid, String key) {
AmazonSharedPreferencesWrapper.storeValueInSharedPreferences(
sharedPreferences, AWS_DEVICE_UID, uid);
AmazonSharedPreferencesWrapper.storeValueInSharedPreferences(
sharedPreferences, AWS_DEVICE_KEY, key);
}
/** Returns the current Key stored in Shared Preferences. */
public static String getKeyForDevice(SharedPreferences sharedPreferences) {
return AmazonSharedPreferencesWrapper.getValueFromSharedPreferences(
sharedPreferences, AWS_DEVICE_KEY);
}
/**
* Set all of the Shared Preferences used by the sample Cognito developer authentication
* application to null. This function is useful if the user needs/wants to log out to clear any
* user specific information.
*/
public static void wipe(SharedPreferences sharedPreferences) {
AmazonSharedPreferencesWrapper.storeValueInSharedPreferences(
sharedPreferences, AWS_DEVICE_UID, null);
AmazonSharedPreferencesWrapper.storeValueInSharedPreferences(
sharedPreferences, AWS_DEVICE_KEY, null);
}