Convert SHA-1 key to Base 64 Call this function from MainActivity.java file

Base64KeyHashAndroid.java

private void printKeyHash() {
        try {
            PackageInfo info = getPackageManager().getPackageInfo(getApplicationContext().getPackageName(),
                    PackageManager.GET_SIGNATURES);
            for(Signature signature: info.signatures){
                MessageDigest md = MessageDigest.getInstance("SHA");
                md.update(signature.toByteArray());
                Log.d("KeyHash", Base64.encodeToString(md.digest(), Base64.DEFAULT));

            }


        } catch (PackageManager.NameNotFoundException e) {
            e.printStackTrace();
        } catch (NoSuchAlgorithmException e) {
            e.printStackTrace();
        }
    }