how to save activity's state in android? -

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i want know how can save state of page(activity) when come page should in state in left it. eg if checked checkbox in page after leaving page when come checkbox should checked left. in advance

http://mobile.tutsplus.com/tutorials/android/android-application-preferences/

take @ tutorial sharedpreferences

or

http://developer.android.com/reference/android/content/sharedpreferences.html


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