How to Access Data/Data Folder in Android Device

How to access data/data folder in Android device?

Accessing the files directly on your phone is difficult, but you may be able to copy them to your computer where you can do anything you want with it.
Without rooting you have 2 options:

1. If the application is debuggable you can use the run-as command in adb shell

   adb shell
   run-as com.your.packagename 
   cp /data/data/com.your.packagename/
   

2. Alternatively you can use Android's backup function.

   adb backup -noapk com.your.packagename
   

   You will now be prompted to 'unlock your device and confirm the backup operation'. It's best NOT to provide a password, otherwise it becomes more difficult to read the data. Just click on 'backup my data'. The resulting 'backup.ab' file on your computer contains all application data in android backup format. Basically it's a compressed tar file. This page explains how you can use OpenSSL's zlib command to uncompress it.
   You can use the adb restore backup.db command to restore the backup.

Where is /data/data folder android

/data/data is a part of your device's internal storage, and where all apps are installed to. You cannot browse it directly unless you have a rooted device.

As for where it points to, it simply points to a part of your internal storage.

Android 11 - Accessing Files in my app Android/Data folder

I Think I Have An Answer?

The more I read about this - it appears that Android 10 went one way, and then Android 11 back tracks it a little and re-enables some of the direct file path access.

Hopefully I'm right on this and won't have to come back and re-do things again down the road

So the answer is to use the requestLegacyExternalStorage in the Manifest - even though it's got all kinds of warnings

And then I created a folder in Documents with this

File filePath = new File(Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_DOCUMENTS)+File.separator+"MyAppFolder");
filePath.mkdirs();

And Now I can write to this and read from it.

Anyway - this seems to work for me on Android 9, 10 and 11. So hopefully the trend forward continues.

Can't find my app data on my device's file explorer

You can't access the internal storage of the Android system without root privileges. It will simply show up blank if you open the /data/ directory without root privileges. You may be able to access your app data using command line tool adb.

Check this answer : How to access data/data folder in Android device?

Android Studio DDMS can't open /data folder in an emulator phone

open DDMS with administrator previlledges. Had same issue and it solved it.
Fastest means to doing this is opening android studio with administrator previledges and opening DDMS from there.

otherwise, have a look at this link Android device monitor

File under data/data/package_name/files not showing in my Android Device

Give permissions to access Storage in AndroidManifest.xml and add below logic for writing data to your device storage at data/data/<package_name>/files :

    String dirPath = FILE_PATH;
    File dir = new File(dirPath);
    if (!dir.exists()) {
        dir.mkdirs();
    }
    AssetManager assetManager = getAssets();
    InputStream in = null;
    OutputStream out = null;
    try {
        in = assetManager.open(filename);
        File outFile = new File(getExternalFilesDir(FILE_PATH), filename);
        out = new FileOutputStream(outFile);
        copyFile(in, out);
        Toast.makeText(this, "File Written to your Storage!", Toast.LENGTH_SHORT).show();
    } catch (IOException e) {
        e.printStackTrace();
        Toast.makeText(this, "Failed!", Toast.LENGTH_SHORT).show();
    } finally {
        if (in != null) {
            try {
                in.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
        if (out != null) {
            try {
                out.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    }
}

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