코드에서 해시키 얻기...

코드에서 해시키 얻기...

try {
            PackageInfo info = getPackageManager().getPackageInfo(getPackageName(), 
            PackageManager.GET_SIGNATURES);
            for (Signature signature : info.signatures) {
                MessageDigest md = MessageDigest.getInstance("SHA");
                md.update(signature.toByteArray());
                Log.i("HashKey:", Base64.encodeToString(md.digest(), Base64.DEFAULT));
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
    }