How to create a PreferenceScreen in a PreferenceActivity?

Question

Consider the following activity:

public class SettingsActivity extends PreferenceActivity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        PreferenceScreen screen =
                getPreferenceManager().createPreferenceScreen(this);
    }
}

Android Studio shows a warning for the call to getPreferenceManager():

'getPreferenceManager()' is deprecated

This inspection reports where deprecated code is used in the specified inspection scope.

However, it does not describe what corrective action I should take to avoid the warning. I can't find any alternative for obtaining a reference to the PreferenceManager and I see no other way to create a PreferenceScreen.

My goal is to programatically populate the PreferenceActivity with preferences and their default values since these are generated at runtime and cannot be included in xml/preferences.xml.

Answer 1

Although getPreferenceManager() is deprecated in SettingsActivity, it is not deprecated in PreferenceFragment. Therefore, the correct way to create a PreferenceScreen is as follows:

public class SettingsActivity extends PreferenceActivity {

    public static class SettingsFragment extends PreferenceFragment {

        @Override
        public void onCreate(Bundle savedInstanceState) {
            super.onCreate(savedInstanceState);

            PreferenceScreen screen =
                    getPreferenceManager().createPreferenceScreen(getActivity());
        }
    }

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        getFragmentManager()
                .beginTransaction()
                .replace(android.R.id.content, new SettingsFragment())
                .commit();
    }
}