Where does application data file actually stored on android device

Question

I have developed an Android app using Appcelerator Titanium  This app will create a file in applicationDataDirectory and install a database as well   If run on emulator  I can locate those files using  adb  command  But how about on Android device  Can I use the  My Files  app to view those file I created   since I can see files created by other application there    Moreover  I expect once I removed the app on device  it will automatically remove the related files and database  Is that true   Because I found that even I removed the app from the device  the database seems left behind  I can tell because after deleting app and re-run on device from Titanium   it show previous data   I am using Ti SDK 2 0 1GA2  Android Runtime V8  And using Samsung Galaxy Tab for testing  Thanks in advance

User · Accepted Answer

Application Private Data files are stored within <internal_storage>/data/data/<package>

Files being stored in the internal storage can be accessed with openFileOutput() and openFileInput()

When those files are created as MODE_PRIVATE it is not possible to see/access them within another application such as a FileManager.

User · Answer

This is a simple way to identify the application related storage paths of a particular app  Steps   Have the android device connected to your mac or android emulator open Open the terminal adb shell find    The  quot find   quot  command will list all the files with their paths in the terminal    apex com android media swcodec   apex com android media swcodec etc   apex com android media swcodec etc init rc   apex com android media swcodec etc seccomp policy   apex com android media swcodec etc seccomp policy mediaswcodec policy   apex com android media swcodec etc ld config txt   apex com android media swcodec etc media codecs xml   apex com android media swcodec apex manifest json   apex com android media swcodec lib   apex com android media swcodec lib android hidl memory token 1 0 so   apex com android media swcodec lib libcodec2 soft common so   apex com android media swcodec lib android hardware graphics mapper 2 0 so   apex com android media swcodec lib libcodec2 soft vorbisdec so   apex com android media swcodec lib libcodec2 soft h263dec so   apex com android media swcodec lib libhidltransport so   apex com android media swcodec lib libcodec2 soft h263enc so   apex com android media swcodec lib libcodec2 vndk so   apex com android media swcodec lib android hardware graphics mapper 2 1 so   apex com android media swcodec lib libmedia codecserviceregistrant so   apex com android media swcodec lib libhidlbase so   apex com android media swcodec lib libcodec2 soft aacdec so   apex com android media swcodec lib libcodec2 soft vp9dec so        After this  just search for your app with the bundle identifier and you can use adb pull command to download the files to your local directory

User · Answer

You can get if from your document cache folder  subfolder  mine is 1946507   Once there  rename the  content  by adding  pdf to the end of the file  save  and open with any pdf reader

User · Answer

Use Context getDatabasePath databasename   The context can be obtained from your application   If you get previous data back it can be either a  the data was stored in an unconventional location and therefore not deleted with uninstall or b  Titanium backed up the data with the app  it can do that

User · Answer

On Android 4 4 KitKat  I found mine in   sdcard Android data  lt app package name gt

[android] Where does application data file actually stored on android device?

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