SetBox set to checked after click on textview - ExpandableListView

1) After click on textview i want to set checkbox to checked state. 2) After start a new session set these checkbox into last state (SharedPreferences). Right now i am using hashmaps for keeping state of checkboxes (i have that from some ExpandableListView tutorial).

Someone who solved this problem? Or someone who knows how solve that and can help me there or help me via skype or something?

Thanks a lot guys