google auth works in production apk but not works after launching the app on play store in ionic 2

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1.The application was build in Ionic 2 2. For implementing the google auth Cordova-plugin-google plus is used 3. The app works fine before launching on play store.

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Nakul Kundaliya On BEST ANSWER

You need to change your SHA1 key.

How to Get Android Release Keystore SHA1 Fingerprint

  1. Open terminal.
  2. Change the directory to the JDK bin directory,

    cd C:\Program Files\Java\jdk{Version}\bin

  3. Next you have to run the keytool.exe. Use the following line to get the SHA1 fingerprint.

    keytool -list -v -keystore {keystore_name} -alias {alias_name}

  4. Enter the password, you will get the SHA1 and MD5 fingerprint.

Change SHA1

  1. Go to https://console.developers.google.com/

  2. Choose your project -> Credentials -> OAuth 2.0 client IDs

  3. Click on android client id

  4. Replace SHA1 here and save it

I hope it works for you.