Feat: add SetDefaultEventParameters and have EventLog to take in a vector

[AustinBenoit]

Description

Feat: add SetDefaultEventParameters and have EventLog to take in a vector.

The SetDefaultEventParameters has been updated for iOS and Android. However the desktop implementation is only stubbed out. The SetDefaultEventParameters adds parameters that will be set on every event logged from the SDK, including automatic ones. The values passed in the parameters dictionary will be added to the dictionary of default event parameters. These parameters persist across app runs.

To make the SDK more modern EventLog and SetDefaultEventParameters will take in an IEnumerable of event parameters.

To ensure that the SetDefaultEventParameters works as expected the Parameters of type Double in the Android SDK has been updated to pass along a Double type to the Android implementation.

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Testing

Describe how you've tested these changes.

Manual testing for iOS and Android:
iOS:

Android:

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Type of Change

Place an x the applicable box:

• Bug fix. Add the issue # below if applicable.
• New feature. A non-breaking change which adds functionality.
• Other, such as a build process or documentation change.

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[gemini-code-assist]

Summary of Changes

Hello @AustinBenoit, I'm Gemini Code Assist¹! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request enhances the Firebase Analytics SDK by introducing a new SetDefaultEventParameters API, which allows for the persistent configuration of global event parameters that are automatically attached to all logged events. Concurrently, it modernizes the parameter input for both LogEvent and the new SetDefaultEventParameters to accept IEnumerable collections, streamlining the developer experience. These changes aim to provide greater flexibility and consistency in event parameter management across the SDK.

Highlights

• New API: SetDefaultEventParameters: A new API, SetDefaultEventParameters, has been introduced. This allows developers to define a set of parameters that will be automatically included with every event logged from the SDK, including automatic ones. These parameters persist across app runs and have a lower precedence than event-specific parameters.
• Modernized Event Parameter Handling: Both the LogEvent and the new SetDefaultEventParameters APIs have been updated to accept an IEnumerable<Parameter> for event parameters. This provides a more modern and flexible way to pass collections of parameters compared to the previous array-based approach.
• Android SDK Double Type Fix: The Android SDK implementation has been updated to correctly pass Double type parameters to the underlying Android system, ensuring accurate data logging for numerical values.

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[gemini-code-assist]

Code Review

This pull request introduces the SetDefaultEventParameters functionality to the Firebase Analytics Unity SDK and refactors LogEvent to accept an IEnumerable<Parameter>. The changes span C# and the SWIG interface files. My review focuses on improving code quality and clarity. I've identified opportunities to reduce code duplication, correct formatting inconsistencies for better readability, and refine the release notes for accuracy. Overall, the changes are a good addition, and the suggested improvements will enhance the maintainability and usability of the code.