Hello! I understand that you need an API for drawing on a canvas in React-Native simulating a blackboard, presumably for a classroom or collaboration app. I have an extensive experience with React-Native app development and I have worked on projects similar to your specific needs before, so I am absolutely certain that I can deliver you an intuitive and easy-to-use API for using typical drawing modes on a canvas for React-Native right on your budget and within time.
I am a full-stack web-developer and a professional React-Native app developer. I have 2+ years of experience developing apps using every well-known tools and frameworks currently available for React-Native. Let me list a few of the features I'm offering within the API:
1. Drawing paths on the blackboard
2. Drawing commonly used and predefined shapes
3. Inserting images
4. Writing LaTeX-ed equations
4. Erasing paths, shapes, equations and removing images
5. Changing the stroke-width and color of the brush
6. Any other reasonable features that you might require
You can consult me free of charge for any queries you might seek, and fixing any bugs in case you encounter, after the project is done. Client satisfaction is my #1 priority. I'm always available online and stay connected and co-operate with my clients. So kindly send me a message if my service offerings satisfy your needs, I'll get back to you ASAP and we'll get started.
Best Regards.