paths元素 对应目录
“/”
< root-path/>
Context.getFilesDir()
< files-path name=”name” path=”path” />
Context.getCacheDir()
< cache-path name=”name” path=”path” />
Environment.getExternalStorageDirectory()
< external-path name=”name” path=”path” />
Context#getExternalFilesDir(String) Context.getExternalFilesDir(null)
< external-files-path name=”name” path=”path” />
Context.getExternalCacheDir()
< external-cache-path name=”name” path=”path” />
Context.getExternalMediaDirs()(API21+)
< external-media-path name=”name” path=”path” />
其他有待补充