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Intro

In this guide, you'll learn how to:

  • write native module with callback-response method
  • write native module with promise-response method
  • use platform UI functionality invoked by native module function call

Difficulty​

A piece of cake 🍰

Task​

As a user, I want to use a save the file on my device.

What's the plan?​

  • create module's boilerplate
  • creating JS spec
  • iOS implementation
  • Android implementation
  • using the module in action

Result?​

Can't wait? Let's set up module boilerplate.