How to Store Hashmap to android so that it will be reuse when application restart using shared preferences?

I want to store hashmap to my android application that when restart ,it shows last saved values of hashmap.

HashMap<Integer,String> HtKpi=new HashMap<Integer,String>(); 

is my hashmap and 44 values are stored in it dynamically. That works fine!!! now,I want to store it for future use(Application restart or reuse).