Retain Android Activity State When Go To Detail From List ActivityList.java--->ActivityDetail.java -->Back to ActivityList.java

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Mobile

Android

I am facing strange issue. I have one List which i am binding on ActivityList.java page with the use of one adapter. In adapter on the click of ViewButton I am calling ActivityDetail.java . But when press back button and comes to ActivityList.java all my variables and activity state is lost. I want to retain the same when I come back from ActivityDetail.java.

ActivityList.java--->

_lstCity;

I am getting city list from database and assigning it to _lstCity. When I came back from activityDetail.java I want to use the same variable so that I don't need to go to database again and again.

A big thanks in advance.