For a desktop, the syntax is like "C:\\ulj\\"

For a BlackBerry file system, the syntax is like "file:///SDCard/ulj/"

For a BlackBerry object store, this option is ignored

For an Android file system, the syntax is like "/sdcard/Android/data/your.package.name/files/"

For a desktop, if the localPath parameter is null, the file is stored in the current directory

For a BlackBerry file system store,the localPath parameter has no default value, and must be explicitly set.

For an Android file system store,the localPath parameter has no default value, and must be explicitly set.