android实现文件读写功能

本文实例为大家分享了android实现文件读写功能的具体代码,供大家参考,具体内容如下 读取: public static String _getJsonString(String fileName) throws IOException { if ((fileName == null) || fileName.isEmpty()) { return ; } String retString = ; FileInputStream fis = null; String state = Environment.getExternalStorageStat