Introduction to Wear OS Complication Data Provider Development
Keep your user up to date with key data that they care about with a complication data provider on Wear OS by Google (formerly Android Wear). By exposing the data, developers can gain a piece of the screen real estate that the user wears all day. In this short introduction, we will go through the concepts behind complications and the key APIs to help you get started.
For more information, check out:
Exposing your data to complications Code Lab → https://goo.gl/JWm4SV
via Android Developers