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Now that we can Examining sqlite3 Databases from a Remote Shell, is it possible to examine SharedPreferences from adb shell? Since it would be much more convenient to examine and manipulate SharedPreferences from command line when debugging.
Or put in another way, in what files SharedPreferences are saved, and how to view and modify these files?
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These preferences will automatically save to SharedPreferences as the user interacts with them. To retrieve an instance of SharedPreferences that the preference hierarchy in this activity will use, call getDefaultSharedPreferences(android. content. Context) with a context in the same package as this activity.
Click on the package name for your application. After that click on the shared_prefs folder and inside that open the shared_prefs. xml file. Now you will get to see the data which we stored in our shared preferences from our application.
Open a command window in the folder by holding shift and right-clicking in an empty spot in the folder and selecting "Open command prompt/PowerShell here" in the menu. Then you can start using ADB — connect your phone and try . ADB devices to see if it's working. A list with attached devices should show up.
Shared Preferences allow you to save and retrieve data in the form of key,value pair. In order to use shared preferences, you have to call a method getSharedPreferences() that returns a SharedPreference instance pointing to the file that contains the values of preferences.
Fine, I found the file just after I raised the question above. (It seem asking questions publicly stimulate me to search answers by myself much more diligently, since I don't want my dear peers to view me as a lazy programmer.)
It is an XML file under /data/data/your.app.package.name/shared_prefs, and the file name is your.app.package.name_preferences.xml. It is really easy to modify the preferences when you figure out that the content is just a key-value map.
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