The sharedPreferernce provides a general framework that allows you to save and retrieve persistent key-value pairs of primitive data types. You can use sharedPreferences to save any primitive data: booleans, floats, ints, longs, and strings. This data will persist across user sessions (even if your application is killed). to know more about Refer sharedPreference you can download the source code of this project from google drive https://drive.google.com/folderview?id=0BySLpWhqmbbdRXZxd0ZveHllcG8&usp=sharing click on the above link ->sign into your google account ->add this to your google drive -> open it in google drive and download it. Following is the demo application using SharedPrefence. This application is just used to set and get name.Value that you set will be persistent even if you close the application. the value is saved in a xml file. you can view this file in eclipse . open DDMS go to FileExplore there is folder data. Open data->data-