Android Open Source - android-sholi Settings Fragment

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License

The source code is released under:

GNU General Public License

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Java Source Code

/*
 * ShoLi, a simple tool to produce short (shopping) lists.
 *//from  ww w.  j  av  a 2 s. c om
 * Copyright (C) 2014  David Soulayrol
 *
 * ShoLi is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * ShoLi is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package name.soulayrol.rhaa.sholi;

import android.content.SharedPreferences;
import android.os.Bundle;
import android.preference.ListPreference;
import android.preference.PreferenceFragment;
import android.preference.PreferenceManager;


public class SettingsFragment extends PreferenceFragment
        implements SharedPreferences.OnSharedPreferenceChangeListener {

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

        addPreferencesFromResource(R.xml.preferences);
        PreferenceManager.setDefaultValues(getActivity(), R.xml.preferences, false);
    }

    @Override
    public void onResume() {
        super.onResume();

        SharedPreferences sharedPreferences =
                PreferenceManager.getDefaultSharedPreferences(getActivity());

        getPreferenceScreen().getSharedPreferences()
                .registerOnSharedPreferenceChangeListener(this);
        updatePreferenceSummary(sharedPreferences, SettingsActivity.KEY_CHECKING_FLING_LEFT_ACTION);
        updatePreferenceSummary(sharedPreferences, SettingsActivity.KEY_CHECKING_FLING_RIGHT_ACTION);
        updatePreferenceSummary(sharedPreferences, SettingsActivity.KEY_LIST_ITEM_SIZE);
        updatePreferenceSummary(sharedPreferences, SettingsActivity.KEY_IMPORT_MERGE_POLICY);
    }

    @Override
    public void onPause() {
        super.onPause();

        getPreferenceScreen().getSharedPreferences()
                .unregisterOnSharedPreferenceChangeListener(this);
    }

    @Override
    public void onSharedPreferenceChanged(SharedPreferences sharedPreferences, String key) {
        if (SettingsActivity.isListPreference(key))
            updatePreferenceSummary(sharedPreferences, key);
    }

    private void updatePreferenceSummary(SharedPreferences sharedPreferences, String key) {
        ListPreference p = (ListPreference) findPreference(key);
        p.setSummary(p.getEntry());
    }
}

Java Source Code List