Huawei Harmony OS Integration Guide

Prerequisites

• Huawei Developer Account (not required if you don't plan to publish to AppGallery)
• Laptop
• Android Phone

Steps

1. Register as a Developer

   • Register as a developer and complete identity verification. Refer to Registering a HUAWEI ID and Applying for the HUAWEI ID Service for details.

2. Install HUAWEI DevEco Studio

   • Download and install HUAWEI DevEco Studio from here.

3. Generate Key and CSR

   • Generate a Key Store and a CSR in DevEco Studio by navigating to Build > Generate Key and CSR.
   • Follow the steps to create the files. Both files will appear under your project folder.

4. Create a Harmony App

   • Create a Harmony app in the App Gallery Connect Console under the project you created in step 1.

5. Register Your Wearable Device

   • Register your wearable device in the App Gallery Connect Console by navigating to Users and Permissions > Device Management > Add Device.
   • You will need the name, type, and UDID of the device. To find the UDID:
     • Download and install HUAWEI DevEco Assistant and HUAWEI Health from AppGallery on your Huawei phone.
     • Open HUAWEI DevEco Assistant and tap the Lite Wearable tab.
     • Tap Connect. This will open HUAWEI Health.
     • In HUAWEI Health, tap the Devices tab, then tap Add.
     • Tap Smart Watch and select a watch model to connect to.
     • Tap PAIR and follow the instructions. The watch model and UDID will be displayed on the HUAWEI DevEco Assistant screen. Tap Copy to copy the UDID to the clipboard.

6. Create a Certificate in the Console

   • In the App Gallery Connect Console, navigate to Users and Permissions > Certificate Management > New Certificate.
   • Enter a name, type, and upload your CSR file generated in Step 3. Download the certificate for later use.

7. Create an HAP Provision Profile

   • Navigate to My Projects > Harmony OS Services > HAP Provision Profile > Add in the App Gallery Connect Console.
   • Choose debug instead of release, select the necessary permissions, and click Submit. Download the .p7b file generated.

8. Register the Signing Configurations

   • In DevEco Studio, select File > Project Structure > Project > Signing Configs.
   • In the debug section, check the Automatically generate signing checkbox. Optionally, generate a signing config for Release as well.
   • Upload your .cer and .p7b files downloaded from the Console.

9. Build HAP and Run Your Project

   • In DevEco Studio, navigate to Build > Build Hap(s) App(s) > Build Hap(s).
   • After a successful build, the signed and unsigned HAP files will be available under Entry > Build > Outputs > Hap > Debug.
   • Transfer the HAP file to your phone, then to your wearable device to run it.

For a detailed guide on the development process, refer to this Medium article or the Huawei Developer Documentation.