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@Override
public void onSaveInstanceState(Bundle outState, PersistableBundle outPersistentState) {
    super.onSaveInstanceState(outState, outPersistentState);
 //  dont know how to use this 
}

@Override
public void onRestoreInstanceState(Bundle savedInstanceState, PersistableBundle persistentState) {
    super.onRestoreInstanceState(savedInstanceState, persistentState);
    // same for this one
}
ADM
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bica lab
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  • Possible duplicate of [Saving Android Activity state using Save Instance State](https://stackoverflow.com/questions/151777/saving-android-activity-state-using-save-instance-state) – ADM Apr 06 '18 at 14:18
  • i want to actually know how to do it for list views – bica lab Apr 06 '18 at 14:27
  • What difference does it make ? The thing you need to understand here is `Bundle` you can only save data which `Bundle` allow . So read about `Bundle` first . And then figure out what data you need to save . – ADM Apr 06 '18 at 14:30

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