class PropertiesUtils {
    private static Properties properties = null;
    private static void readProperties() {
        try {
            InputStream in = PropertiesUtils.class.getResourceAsStream("/assets/sdk_param_config.properties");
            properties = new Properties();
            properties.load(in
 
);
        } catch (IOException e) {
            e.printStackTrace();
        } catch (NullPointerException e) {
            Log.e("PropertiesUtils", "get nothing");
            e.printStackTrace();
        }
    }

    public static Properties getProperties() {
        if (properties == null) {
            readProperties();
        }
        return
 
 properties;
    }
}

檔案存放於主程式裡

獲取資料

String a = properties.getProperty("a");