ViewPager with PreferenceFragment

suggest change

Until recently, using android.support.v4.app.FragmentPagerAdapter would prevent the usage of a PreferenceFragment as one of the Fragments used in the FragmentPagerAdapter.

The latest versions of the support v7 library now include the PreferenceFragmentCompat class, which will work with a ViewPager and the v4 version of FragmentPagerAdapter.

Example Fragment that extends PreferenceFragmentCompat:

import android.os.Bundle; 
import android.support.v7.preference.PreferenceFragmentCompat; 
import android.view.View; 
 
public class MySettingsPrefFragment extends PreferenceFragmentCompat { 
  
    public MySettingsPrefFragment() { 
        // Required empty public constructor 
    } 
 
    @Override 
    public void onCreate(Bundle savedInstanceState) { 
        super.onCreate(savedInstanceState); 
        addPreferencesFromResource(R.xml.fragment_settings_pref); 
    } 
 
    @Override 
    public void onCreatePreferences(Bundle bundle, String s) { 
 
    } 
}

You can now use this Fragment in a android.support.v4.app.FragmentPagerAdapter subclass:

private class PagerAdapterWithSettings extends FragmentPagerAdapter {

    public PagerAdapterWithSettings(FragmentManager supportFragmentManager) {
        super(supportFragmentManager);
    }

    @Override
    public Fragment getItem(int position) {
        switch(position) {
            case 0:
                return new FragmentOne();

            case 1:
                return new FragmentTwo();

            case 2:
                return new MySettingsPrefFragment();

            default:
                return null;
        }
    }
    
    // .......

}

Found a mistake? Have a question or improvement idea? Let me know.

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