Android Open Source - Calma Navigation Preference Fragment

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License

The source code is released under:

Apache License

Java Source Code

/*
 * Copyright (C) 2013 Thomas Schmid//from  ww  w.  ja v  a  2s  . com
 *
 * This program 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 2
 * of the License, or (at your option) any later version.
 *
 * This program 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, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
 * MA  02110-1301, USA.
 */

package com.scto.android.calma.activities.preferences;

import android.app.Activity;
import android.content.Context;
import android.content.Intent;
import android.os.Bundle;
import android.preference.CheckBoxPreference;
import android.preference.Preference;
import android.preference.Preference.OnPreferenceChangeListener;
import android.util.Log;

import com.scto.android.calma.CalmaApp;
import com.scto.android.calma.R;
//import com.scto.android.calma.console.ConsoleBuilder;
import com.scto.android.calma.preferences.AccessMode;
import com.scto.android.calma.preferences.CalmaSettings;
import com.scto.android.calma.preferences.ObjectStringIdentifier;
import com.scto.android.calma.preferences.Preferences;

/**
 * A class that manages the commons options of the application
 */
public class NavigationPreferenceFragment extends TitlePreferenceFragment {

    private static final String TAG = "NavigationPreferenceFragment"; //$NON-NLS-1$

    private static final boolean DEBUG = false;

    private CheckBoxPreference mUseBackButton;

    /**
     * @hide
     */
    boolean mLoaded = false;

    private final OnPreferenceChangeListener mOnChangeListener =
            new OnPreferenceChangeListener() {
        @Override
        public boolean onPreferenceChange(final Preference preference, Object newValue) {
            boolean ret = true;

            String key = preference.getKey();
            if (DEBUG) {
                Log.d(TAG,
                    String.format("New value for %s: %s",  //$NON-NLS-1$
                            key,
                            String.valueOf(newValue)));
            }

            // Back button up navigation
            if (CalmaSettings.SETTINGS_USE_BACK_BUTTON.getId().compareTo(key) == 0) {
                String value = (String)newValue;
                int valueId = Integer.valueOf(value).intValue();
                String[] labels = getResources().getStringArray(
                        R.array.use_back_button_mode_labels);
                                    preference.setSummary(labels[valueId]);
            }

            // Notify the change (only if fragment is loaded. Default values are loaded
            // while not in loaded mode)
            if (NavigationPreferenceFragment.this.mLoaded && ret) {
                Intent intent = new Intent(CalmaSettings.INTENT_SETTING_CHANGED);
                intent.putExtra(
                        CalmaSettings.EXTRA_SETTING_CHANGED_KEY, preference.getKey());
                getActivity().sendBroadcast(intent);
            }

            return ret;
        }
    };

    /**
     * {@inheritDoc}
     */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        // Change the preference manager
        getPreferenceManager().setSharedPreferencesName(Preferences.SETTINGS_FILENAME);
        getPreferenceManager().setSharedPreferencesMode(Context.MODE_PRIVATE);

        // Add the preferences
        addPreferencesFromResource(R.xml.preferences_navigation);

        // Use back button
        this.mUseBackButton =
                (CheckBoxPreference)findPreference(
                        CalmaSettings.SETTINGS_USE_BACK_BUTTON.getId());
        this.mUseBackButton.setOnPreferenceChangeListener(this.mOnChangeListener);

        // Loaded
        this.mLoaded = true;
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public CharSequence getTitle() {
        return getString(R.string.pref_navigation);
    }
}

Java Source Code List

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