How to get hash key in Android?

If you're wondering how to obtain a hash key in Android, you've come to the right place. Could you please clarify whether you're referring to a cryptographic hash key used for security purposes, such as for app signing or OAuth authentication? Or are you referring to some other type of hash key? Knowing the exact context will help me provide a more accurate and detailed response. Additionally, could you please specify whether you're looking for steps to generate a hash key manually or using a specific tool or library? This information will ensure that my answer is tailored to your specific needs and situation.