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@thomaszurkan-optimizely thomaszurkan-optimizely released this 18 May 04:37
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2.0.0-beta2
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2.0.0-beta2

May 17th, 2018

This major release of the Optimizely SDK introduces APIs for Feature Management. It also introduces some breaking changes listed below.

New Features

  • Introduces the isFeatureEnabled API to determine whether to show a feature to a user or not.
Boolean enabled = optimizelyClient.isFeatureEnabled("my_feature_key", "user_1", userAttributes);
  • You can also get all the enabled features for the user by calling the following method which returns a list of strings representing the feature keys:
ArrayList<String> enabledFeatures = optimizelyClient.getEnabledFeatures("user_1", userAttributes);
  • Introduces Feature Variables to configure or parameterize your feature. There are four variable types: Integer, String, Double, Boolean.
String stringVariable = optimizelyClient.getFeatureVariableString("my_feature_key", "string_variable_key", "user_1");
Integer integerVariable = optimizelyClient.getFeatureVariableInteger("my_feature_key", "integer_variable_key", "user_1");
Double doubleVariable = optimizelyClient.getFeatureVariableDouble("my_feature_key", "double_variable_key", "user_1");
Boolean booleanVariable = optimizelyClient.getFeatureVariableBoolean("my_feature_key", "boolean_variable_key", "user_1");

Breaking changes

  • The track API with revenue value as a stand-alone parameter has been removed. The revenue value should be passed in as an entry of the event tags map. The key for the revenue tag is revenue and will be treated by Optimizely as the key for analyzing revenue data in results.
Map<String, Object> eventTags = new HashMap<String, Object>();

// reserved "revenue" tag
eventTags.put("revenue", 6432);

optimizelyClient.track("event_key", "user_id", userAttributes, eventTags);

  • Live variable accessor methods have been removed and have been replaced with the feature variable methods mentioned above. Feature variables are scoped to a feature so you must supply the feature key in addition to the variable key to access them.

    • getVariableBoolean now becomes getFeatureVariableBoolean
    • getVariableString now becomes getFeatureVariableString
    • getVariableInteger now becomes getFeatureVariableInteger
    • getVariableFloat now becomes getFeatureVariableDouble

  • We have removed deprecated classes with the NotificationBroadcaster in favor of the new API with the NotificationCenter. We have streamlined the API so that it is easily usable with Java Lambdas in Java 1.8+. We have also added some convenience methods to add these listeners. Finally, some of the API names have changed slightly (e.g. clearAllNotifications() is now clearAllNotificationListeners())

Bug Fixes

  • Fix for the following issue:
    https://issuetracker.google.com/issues/63622293
    Our github issue is here.
    The JobWorkService was probably destroyed but we didn't cancel the
    processor. It causes an exception in dequeueWork in our JobWorkService.
    We wrapped the dequeueWork with a try/catch and are also now cancelling the background task in onDestroy.

  • Fix for possible error when loading logger via dagger (fall back logger provided).

  • Load UserProfileService on synchronous start. Also, cleanup UserProfileService cache in the background thread by removing experiments that are no longer in the datafile.

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