Android Open Source - gnucash-android General Preference Fragment

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License

The source code is released under:
Apache License
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Java Source Code

/*
 * Copyright (c) 2012 Ngewi Fet <ngewif@gmail.com>
 *//w  w w  .ja v a2 s.  com
 * 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.
 */

package org.gnucash.android.ui.settings;

import org.gnucash.android.R;
import org.gnucash.android.model.Money;

import android.content.SharedPreferences;
import android.os.Bundle;
import android.preference.Preference;
import android.preference.PreferenceFragment;
import android.preference.PreferenceManager;
import android.preference.Preference.OnPreferenceChangeListener;

import com.actionbarsherlock.app.ActionBar;
import com.actionbarsherlock.app.SherlockPreferenceActivity;


/**
 * Fragment for displaying general preferences
 * @author Ngewi Fet <ngewif@gmail.com>
 *
 */
public class GeneralPreferenceFragment extends PreferenceFragment implements OnPreferenceChangeListener{
  
  @Override
  public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    
    addPreferencesFromResource(R.xml.fragment_general_preferences);
    ActionBar actionBar = ((SherlockPreferenceActivity) getActivity()).getSupportActionBar();
    actionBar.setHomeButtonEnabled(true);
    actionBar.setDisplayHomeAsUpEnabled(true);
    actionBar.setTitle(R.string.title_general_prefs);
    
  }  
  
  @Override
  public void onResume() {
    super.onResume();
    SharedPreferences manager = PreferenceManager.getDefaultSharedPreferences(getActivity());
    
    String keyDefaultEmail = getString(R.string.key_default_export_email);    
    Preference pref = findPreference(keyDefaultEmail);
    String defaultEmail = manager.getString(keyDefaultEmail, null);
    if (defaultEmail != null && !defaultEmail.trim().isEmpty()){
      pref.setSummary(defaultEmail);      
    }
    pref.setOnPreferenceChangeListener(this);

        String keyDefaultExportFormat = getString(R.string.key_default_export_format);
        pref = findPreference(keyDefaultExportFormat);
        String defaultExportFormat = manager.getString(keyDefaultExportFormat, null);
        if (defaultExportFormat != null && !defaultExportFormat.trim().isEmpty()){
            pref.setSummary(defaultExportFormat);
        }
        pref.setOnPreferenceChangeListener(this);

        pref = findPreference(getString(R.string.key_restore_backup));
        pref.setOnPreferenceClickListener((SettingsActivity)getActivity());
  }

    /**
     * Listens for changes to the preference and sets the preference summary to the new value
     * @param preference Preference which has been changed
     * @param newValue New value for the changed preference
     * @return <code>true</code> if handled, <code>false</code> otherwise
     */
  @Override
  public boolean onPreferenceChange(Preference preference, Object newValue) {
    preference.setSummary(newValue.toString());
    if (preference.getKey().equals(getString(R.string.key_default_currency))){
      Money.DEFAULT_CURRENCY_CODE = newValue.toString();
    }
    
    if (preference.getKey().equals(getString(R.string.key_default_export_email))){
      String emailSetting = newValue.toString();
      if (emailSetting == null || emailSetting.trim().isEmpty()){
        preference.setSummary(R.string.summary_default_export_email);
      }          
    }

        if (preference.getKey().equals(getString(R.string.key_default_export_format))){
            String exportFormat = newValue.toString();
            if (exportFormat == null || exportFormat.trim().isEmpty()){
                preference.setSummary(R.string.summary_default_export_format);
            }
        }
    return true;
  }

}
Java Source Code List
