Android Open Source - demo-flickr-feed-android Settings Fragment

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Java Source Code

package uk.org.tomek.flickrfeed.fagment;
/*from  ww w . j  av a  2s. c o m*/
import android.content.SharedPreferences;
import android.os.Bundle;
import android.preference.PreferenceFragment;

import uk.org.tomek.flickrfeed.R;
import uk.org.tomek.flickrfeed.utils.Logger;

/**
 * Preference Fragment implementation.
 * <p/>
 * Created by tomek on 23/11/14.
 */
public class SettingsFragment extends PreferenceFragment {

    public static final String FLICKR_SEARCH_TERM_KEY = "pref_flickr_search_term_key";
    private final Logger mLogger = Logger.getLogger(SettingsFragment.class);

    /**
     * Listener to shared preferences changes (change to search term)
     *
     * @param sharedPreferences
     * @param key
     */
    private SharedPreferences.OnSharedPreferenceChangeListener mListener =
            new SharedPreferences.OnSharedPreferenceChangeListener() {
                public void onSharedPreferenceChanged(SharedPreferences sharedPreferences, String key) {
                    // listener implementation
                    if (key.equalsIgnoreCase(SettingsFragment.FLICKR_SEARCH_TERM_KEY)) {
                        String searchTerm = sharedPreferences.getString(key, "rome");
                        mLogger.v("SearchTerm changed to:%s", searchTerm);
                        // TODO: Do something with it
                        //getActivity().finish();
                    }
                }
            };

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        addPreferencesFromResource(R.xml.preferences);
    }

    @Override
    public void onResume() {
        super.onResume();
        getPreferenceScreen().getSharedPreferences()
                .registerOnSharedPreferenceChangeListener(mListener);
    }

    @Override
    public void onPause() {
        super.onPause();
        getPreferenceScreen().getSharedPreferences()
                .unregisterOnSharedPreferenceChangeListener(mListener);

    }


}

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