Android Studio

How to Get SHA1 Key in Android Studio Flutter

How to Get SHA1 Key in Android Studio Flutter – In the vast world of app development,acquiring the Secure Hash Algorithm 1 (SHA-1) key in Android Studio using Flutter is crucial. This process is vital in setting up your app with essential services such as Google Sign-In and Firebase Cloud Messaging.

Understanding the Importance of SHA-1 Key

SHA-1 is a cryptographic hash function that takes an input and returns a unique 40-character string. It’s an important feature that ensures the integrity and security of data transferred between your app and Google’s services.


Before proceeding, ensure you have Flutter SDK and Android Studio installed on your system. Having a basic understanding of Flutter and Android Studio’s structure and operation is also advisable.

How to Get SHA1 Key in Android Studio Flutter

Step 1: Open Android Studio

Launch Android Studio. Navigate to the toolbar and select View > Tool Windows > Terminal to open the terminal window.

Step 2: Navigate to Key Store

You’ll need to navigate to the .android directory in the terminal window. This is the default key store directory. Use the `cd ~/.android` command for MacOS/Linux and `cd C:\Users\Your_Username\.android\` for Windows.

Step 3: Generate SHA-1 Key

Next, to generate your SHA-1 key, use the following command:

`keytool -list -v -keystore debug.keystore -alias androiddebugkey -storepass android -keypass android

This command will return a list of information, including the SHA-1 key.

Handling Possible Issues

Sometimes, `key tool` might not be recognized as an internal or external command. This issue arises if the JDK (Java Development Kit) is not installed or the path needs to be set correctly. Ensure that JDK is properly installed and the `JAVA_HOME` variable is correctly configured.

Utilizing the SHA-1 Key

Once you have the SHA-1 key, you can set up your Google API project and enable your app’s Google Sign-In or Firebase Cloud Messaging.

SHA-1 keys are also used when uploading your app to the Google Play Store. Each app needs to be signed before it’s accepted in the store, providing another level of security for your app and its users.


Acquiring the SHA-1 key in Android Studio when developing with Flutter is a crucial yet simple process. Following the step-by-step guide provided, you’ll be able to obtain this key, opening up a range of essential features to boost your app’s functionality and security.


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