Android Open Source - GuildViewerApp2 Settings Fragment

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Back to project page GuildViewerApp2.

License

The source code is released under:

Apache License

Java Source Code

package com.skywomantechnology.app.guildviewer;
/*ww w .jav  a2s.  c  o  m*/
/*
 * Guild Viewer is an Android app that allows users to view news feeds and news feed details
 * on a mobile device and while not logged into the game servers.
 *
 * Copyright 2014 Sky Woman Technology LLC
 *
 *    Licensed under the Apache License, Version 2.0 (the "License");
 *    you may not use this file except in compliance with the License.
 *    You may obtain a copy of the License at
 *
 *        http://www.apache.org/licenses/LICENSE-2.0
 *
 *    Unless required by applicable law or agreed to in writing, software
 *    distributed under the License is distributed on an "AS IS" BASIS,
 *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *    See the License for the specific language governing permissions and
 *    limitations under the License.
 */

import android.content.SharedPreferences;
import android.os.Bundle;
import android.preference.ListPreference;
import android.preference.Preference;
import android.preference.Preference.OnPreferenceChangeListener;
import android.preference.PreferenceFragment;
import android.preference.PreferenceManager;
//import android.util.Log;
import android.widget.Toast;

import com.skywomantechnology.app.guildviewer.data.GuildViewerContract.GuildEntry;
import com.skywomantechnology.app.guildviewer.data.GuildViewerContract.MemberEntry;
import com.skywomantechnology.app.guildviewer.data.GuildViewerContract.NewsEntry;
import com.skywomantechnology.app.guildviewer.sync.GuildViewerSyncAdapter;

public class SettingsFragment extends PreferenceFragment
        implements OnPreferenceChangeListener {

    //public final String LOG_TAG = SettingsFragment.class.getSimpleName();
    boolean mBindingPreference = false;

    /**
     * set up the display and putting the preferences in the summary
     *
     * @param savedInstanceState bundle of saved information
     */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        addPreferencesFromResource(R.xml.preferences);
        bindPreferenceSummaryToValue(findPreference(getString(R.string.pref_region_key)));
        bindPreferenceSummaryToValue(findPreference(getString(R.string.pref_realm_key)));
        bindPreferenceSummaryToValue(findPreference(getString(R.string.pref_guild_key)));
        bindPreferenceSummaryToValue(findPreference(getString(R.string.pref_character_key)));
        bindPreferenceSummaryToValue(findPreference(getString(R.string.pref_days_to_keep_key)));
    }

    /**
     * Put the preference in the summary
     *
     * @param preference map of preferences
     */
    private void bindPreferenceSummaryToValue(Preference preference) {
        mBindingPreference = true;
        preference.setOnPreferenceChangeListener(this);
        onPreferenceChange(preference,
                PreferenceManager
                        .getDefaultSharedPreferences(preference.getContext())
                        .getString(preference.getKey(), ""));
        mBindingPreference = false;
    }

    /**
     *  process any preference changes
     *
     * @param preference preference map
     * @param value summary text
     * @return true
     */
    @Override
    public boolean onPreferenceChange(Preference preference, Object value) {
        String stringValue = value.toString();

        // don't do this if we are binding the preference
        if (!mBindingPreference) {
            if ( preference.getKey().equals(getString(R.string.pref_region_key))
                || preference.getKey().equals(getString(R.string.pref_realm_key))
                || preference.getKey().equals(getString(R.string.pref_guild_key))) {

                // reset the last notification timestamp if we are changing the guild
                // because the stored one is for the current guild and not the new guild

                // since its a new guild we have to reset the date for the last sync
                SharedPreferences.Editor editor =
                        PreferenceManager.getDefaultSharedPreferences(preference.getContext()).edit();
                editor.putLong(getActivity().getString(R.string.pref_last_notification),0L);
                editor.apply();

                // clear out the last sync time for the guild member updates
                Utility.setPreferenceForLastGuildMemberUpdate(preference.getContext(), 0L);

                // since we change the guild we need to delete all of the old news from the
                // previous guild and start over
                getActivity().getContentResolver().delete(NewsEntry.CONTENT_URI, null, null);
                getActivity().getContentResolver().delete(GuildEntry.CONTENT_URI, null, null);
                getActivity().getContentResolver().delete(MemberEntry.CONTENT_URI, null, null);

                // If the guild is very active this can take a long long time!!
                // so I put up a warning?  Is there a better way to design this.
                Toast.makeText(getActivity(),
                        getString(R.string.toast_retrieving_data_message),
                        Toast.LENGTH_LONG).show();
                // only sync a minimum number of records for initial list
                // then load the rest of the list right after ... puts something in the list
                // to keep it from looking empty when there is a lot of news items
                GuildViewerSyncAdapter.syncImmediately(getActivity());
            } else if (preference.getKey().equals(getString(R.string.pref_days_to_keep_key))) {
                GuildViewerSyncAdapter.syncImmediately(getActivity());
            }
            else  {
                getActivity().getContentResolver().notifyChange(NewsEntry.CONTENT_URI, null);
            }
        }
        if (preference instanceof ListPreference) {
            ListPreference listPreference = (ListPreference) preference;
            int prefIndex = listPreference.findIndexOfValue(stringValue);
            if (prefIndex >= 0) {
                preference.setSummary(listPreference.getEntries()[prefIndex]);
            }
        } else {
            preference.setSummary(stringValue);
        }
        return true;
    }
}

Java Source Code List

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