Why I’m Creating an Open Source SDK for Generative UI for iOS and Android

2026-06-23 · Source: Towards AI - Medium · Field: Technology & Digital — Artificial Intelligence & Machine Learning, Software Development & Engineering, Emerging Technologies & Innovation · Depth: Advanced, long

Summary

Wire RN is an open-source SDK being developed to bring generative UI capabilities to iOS and Android applications built with React Native. Generative UI enables an AI model to assemble interactive interfaces at runtime, tailoring the user experience dynamically rather than relying on hard-coded screens. While web platforms already feature robust generative UI tools like Vercel AI SDK, Tambo, and Google's A2UI, mobile development, especially with React Native, faces significant challenges. These include React Native's Hermes engine lacking `ReadableStream` for token streaming, the performance cost of recursive component trees, and the absence of native agent renderers. Wire RN aims to address these issues by providing Hermes-compatible streaming, flat component structures, and a developer-controlled component registry, allowing for personalized, per-user interfaces on mobile.

Key takeaway

For React Native developers building mobile applications, the current gap in robust generative UI tools has limited the ability to create highly personalized, dynamic user experiences. You should consider adopting Wire RN, an upcoming open-source SDK, to implement generative UI on iOS and Android. This allows for dynamic, context-aware interfaces, potentially offering a competitive advantage by enabling rapid UI adaptation without App Store review cycles.

Key insights

Generative UI allows AI to dynamically assemble interactive interfaces, moving software burden from user to system, but mobile platforms lag due to technical hurdles.

Principles

• Generative UI shifts interface creation from hard-coding to real-time AI assembly based on context.
• The "registry-plus-schema" pattern ensures models use pre-defined, validated components, not free-form code.
• Mobile generative UI requires solutions tailored to platform specifics like streaming and component tree structures.

Method

The proposed method for mobile generative UI involves an SDK that supports Hermes-compatible streaming, utilizes flat component structures, and allows developers to maintain their own component registry for brand and accessibility control.

In practice

• Use generative UI for high-variance flows like onboarding, check-ins, or recommendations.
• Avoid generative UI for stable, predictable screens such as settings or billing.

Topics

• Generative UI
• React Native
• Mobile Development
• Open-Source SDK
• AI-driven Interfaces
• User Experience Personalization

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• tambo-ai / tambo — Tambo AI enables React developers to build generative UIs where AI agents dynamically render and interact with components.

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Editorial summary, takeaway, and curation by AIssential. Original article published by Towards AI - Medium.