Reading and Writing XML file

问题

I have an Application in which first I want to create a backup of message from inbox and store it into backup.xml file which is stored at SDCARD/MYBACKUP/mybackup.xml

Now I want to retrieve data, stored on SDCARD/MYBACKUP/mybackup.xml and display all messages in listview.

回答1:

For Writing XML file to sdcard see this answeer Qberticus's Answer

android Reading file is just simple you have to use Xml parsing See This for XML parsing

To R/W Sdcard You have to give Permission

   <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>

来源：https://stackoverflow.com/questions/9256245/reading-and-writing-xml-file