Android File system Graphical View

Today i am presenting a simple HTML page which everyone can use to visualize the file system layout of Android Phones.

http://anantshri.info/andro/file_system.html
I have tried to keep vendor specific stuff out of the list however if you think this needs correction feel free to point out and correct it out.

Link : http://anantshri.info/andro/file_system.html

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10 Replies to “Android File system Graphical View”

  1. There are several errors wrt to applications. The top level /cache is *not* used by applications, but by the system.

    /data/data is by package name (unique) not by activity – there can be many activities in an app but there is only one data directory.

    Below /data/data/PACKAGENAME are some directories. In manage application settings the data size shown is the space used by this directory and its contents (subdirectories included). There is a subdirectory named ‘cache’ which is used as that. Preferences and other items are also stored in this directory hierarchy.

    There are also directories on the sdcard. Applications should be putting their stuff in /mnt/sdcard/Android/data/PACKAGENAME instead of littering the top level of the sdcard.

    Note that for all of the paths above, developers should be using the Android APIs which will return the correct paths for you – you should not be hard coding them.

    Finally on the sdcard there is /mnt/sdcard/.android_secture. This directory contains encrypted applications that were installed to the sdcard instead of phone internal memory.

  2. Thanks for this! I’m not into android, nor do I use it, but being into linux I was curious about the OS and related things.

    This one gives quite a basic insight to start with.

  3. Thanks for your android file tree description. I’ve been trying to understand my Galaxy S file system to locate the dozens of ebooks I downloaded. Your file tree and explanations were a big help.

    Thanks from Israel.

  4. Appreciating the time and energy you put into your site and
    in depth information you present. It’s awesome to come across a blog every once in
    a while that isn’t the same out of date rehashed information.
    Fantastic read! I’ve bookmarked your site and I’m adding your RSS feeds to my Google account.

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