This directory contains Cloud Vision API Java samples.
For Android samples, check out the mobile samples for the Cloud Vision API. (Source code for Android sample)
This sample uses the Apache Maven build system. Before getting started, be sure to download and install it. When you use Maven as described here, it will automatically download the needed client libraries.
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Create a project with the Google Cloud Console, and enable the Vision API.
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Set up your environment with Application Default Credentials. For example, from the Cloud Console, you might create a service account, download its json credentials file, then set the appropriate environment variable:
export GOOGLE_APPLICATION_CREDENTIALS=/path/to/your-project-credentials.json
This sample identifies faces within an image.