After obtaining a token, you can configure a task in AppGallery Connect to send a test message to your app. You can also use a REST API to send test messages. For details, please refer to Downlink Message Sending.
Package your Android project into an APK and install it on a device for testing. Ensure that you use a correct certificate fingerprint during packaging. (For details, please refer to Generating a Signing Certificate Fingerprint.)

