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How to implement the Google login button?

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Before following this tutorial, you must have implemented Firebase in your project. If you have not already done so, please follow this tutorial:

SHA-1 Signing Certificate

To get your project SHA-1 key follow these steps:


Follow the next steps to activate the Google login button in your project:

  1. Go to this link: and click Configure a project button.
  2.  Select your existing Firebase project and click NEXT.
  3. Select Android from dropdown list and click CREATE.
  4. Paste your app package name and your SHA-1 key and click CREATE.
  5. Finally, click DONE.