Java Reflection and Annotation Processing: http://emo-pass.com/2017/11/26/builing-things-with-java-reflection-and-annotation-processing/

BoilerplateSettingsFragment.java

public class SettingsFragment extends PreferenceFragment {

  EditTextPreference namePreference;

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

    namePreference = (EditTextPreference) findPreference(getString(R.string.pref_name_key));
    namePreference.setSummary("Uwoah! A summary.");

    namePreference.setOnPreferenceClickListener(new Preference.OnPreferenceClickListener() {
      @Override public boolean onPreferenceClick(Preference preference) {
        // Do anything you want
        return true;
      }
    });

    namePreference.setOnPreferenceChangeListener(new Preference.OnPreferenceChangeListener() {
      @Override public boolean onPreferenceChange(Preference preference, Object newValue) {
        // Again, do anything you want
        return true;
      }
    });
  }
}