encrypt-config.gradle

String encryptedStr = readFromAsset(context, BuildConfig.ENC_FILE);  
String decryptedData = getDecryptedString(responseStr);  
  
public String readFromAsset(Context context, String fileName) {  
  String json = null;  
  try {  
       InputStream is = context.getAssets().open(fileName);  
       int size = is.available();  byte[] buffer = new byte[size];  
       is.read(buffer);  
       is.close();  
       json = new String(buffer, "UTF-8");  
  } catch (IOException ex) {       
       Logger.e(ex);  return null;  
  }  
  return json;  
}  
  
public static String getDecryptedString(String text) {  
  Encryption encryption = Encryption.getDefault(BuildConfig.ENC_KEY, BuildConfig.ENC_SALT, IV);  
  return encryption == null ? "" : encryption.decryptOrNull(text);  
}