Saving Data on Android

Viewing the files in Device File Explorer
In Android Studio, there’s a handy tool named 
Device File Explorer
. This tool allows 
you to view, copy and delete files that are created by your app. You can also use it to 
transfer files to and from a device.
Note
: A lot of the data on a device is not visible unless the device is rooted. 
For example, in 
data/data/
, entries corresponding to apps on the device that 
are not debuggable are not expandable in the Device File Explorer. Much of the 
data on an emulator is not visible unless it’s an emulator with a standard 
Android (AOSP) system image. Be sure to enable USB debugging on a 
connected device.
Saving Data on Android
Chapter 1: Using Files
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Open the Device File Explorer by clicking