Question: What Is Save Instance State in Android?

The savedInstanceState is a reference to a Bundle object that is passed into the onCreate method of every Android Activity. Activities have the ability, under special circumstances, to restore themselves to a previous state using the data stored in this bundle.

What is use of onSaveInstanceState in Android?

The onSaveInstanceState() method allows you to add key/value pairs to the outState of the app. Then the onRestoreInstanceState() method will allow you to retrieve the value and set it back to the variable from which it was originally collected.

How do you save a fragment state?

The state types mentioned in the table are as follows:

1. Variables: local variables in the fragment.
2. View State: any data that is owned by one or more views in the fragment.
3. SavedState: data inherent to this fragment instance that should be saved in onSaveInstanceState() .

30 нояб. 2020 г.