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Android

Posted by vipin tomar
vipin tomar
280 Points

Why list always start from starting?

Hello Ben Deitch Sir, I just completed the Android Application Lifecycle course and its awesome I learn a lot about SharedPreferences but I have a question.

When we scroll down in the list and click the home button and opens app again list position stays same but when I'm in last of the list and click the back button and open the app again list position start from the beginning. How to save the position of list, any link to tutorial is appreciated :)

1 Answer

Rares Conea
PLUS
Rares Conea
Courses Plus Student 15,000 Points
Rares Conea
Rares Conea
Courses Plus Student 15,000 Points
  1. Declare at the top of your class a Parcelable state;
  2. In onPause save the state of your ListView/RecyclerView(name you gave to the object which you used to find the view by id): state = <how you named your <ListView/RecyclerView>.onSaveInstanceState();
  3. In onViewCreated after setting the adapter for the listView/adapterView: if(state != null) { <listView/recyclerView>.onRestoreInstanceState(state); }