Video tutorial of HarmonyOS wearable app development with sensor usage: link.

Demo app is located at demo folder.

Notice: In order to use the application, you need to regenerate your own device signature.

1. Overview
2. Features
3. Setup Instructions

This OpenHarmony-based smartwatch application monitors real-time heart rate using the built-in sensor. UI effects is as following:

Real-time Heart Rate Monitoring — continuously listens to heart rate changes

Interactive UI — ring progress for heart rate, visual timer, and toggle start/stop

Permission Handling — dynamically requests runtime permissions for health data

1. Clone the repository

git clone https://github.com/imansmallapple/app-heartratemonitor.git

2. Build and Deploy

• Ensure you are using API level 18
• Confirm your app is a system-level application
• Connect the watch using IP connection
• Sign the application with valid signature configurations
• Click run on DevEco Studio to install the application

Note:

See this tutorial for how to configure the project as a system-level application.