Welcome to Android Build Time! The show where the Android team talks with Android developers about building great apps, so you can listen while building your Android app.

In today’s episodes we have Jomin George - CEO Hitbytes Technologies building the journal app Life, Thomas Ezan - Developer Relations Engineer at Google and your host Christopher Cartland - Developer Relations Engineer at Google.

A few months ago, the team behind the journal app Life wanted to provide an innovative way to let their users log entries. They created "Leo", an AI diary assistant chatting with users and converting conversations into a journal entry.

To modify the behavior of the model and the tone of its responses, the team used system instructions to define the chatbot persona. This allows the user to set the behavior and tone of the assistant: Pick “Professional and formal” and the model will keep the conversation strict, select “Friendly and cheerful” and it will lighten up the dialogue with lots of emojis! The team saw an increase of user engagement following the launch of the feature.

Listen to this episode to learn more about how you can leverage Gemini API in your app.

Learn more about the advanced features of the Gemini Cloud models by reading this blog post
For an introduction to generative AI for Android developers, check out this blog post
To get started with Vertex AI in Firebase, see the documentation

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