Android Open Source - satstat Settings Activity

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License

The source code is released under:

GNU General Public License

Java Source Code

/*
 * Copyright  2013 Michael von Glasow./* w w w  .j a  va  2s .com*/
 * 
 * This file is part of LSRN Tools.
 *
 * LSRN Tools 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.
 *
 * LSRN Tools 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 LSRN Tools.  If not, see <http://www.gnu.org/licenses/>.
 */

package com.vonglasow.michael.satstat;

import java.util.Arrays;
import java.util.HashSet;
import java.util.Set;

import android.location.LocationManager;
import android.net.ConnectivityManager;
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.app.ActionBar;
import android.app.Activity;
import android.app.NotificationManager;
import android.content.Context;
import android.content.Intent;
import android.content.SharedPreferences;
import android.content.SharedPreferences.OnSharedPreferenceChangeListener;
import android.view.Menu;
import android.view.MenuItem;
import android.support.v4.app.NavUtils;

public class SettingsActivity extends Activity implements OnSharedPreferenceChangeListener{

  public static final String KEY_PREF_NOTIFY_FIX = "pref_notify_fix";
  public static final String KEY_PREF_NOTIFY_SEARCH = "pref_notify_search";
  public static final String KEY_PREF_UPDATE_WIFI = "pref_update_wifi";
  public static final String KEY_PREF_UPDATE_NETWORKS = "pref_update_networks";
  public static final String KEY_PREF_UPDATE_NETWORKS_WIFI = Integer.toString(ConnectivityManager.TYPE_WIFI);
  public static final String KEY_PREF_UPDATE_NETWORKS_MOBILE = Integer.toString(ConnectivityManager.TYPE_MOBILE);
  public static final String KEY_PREF_UPDATE_FREQ = "pref_update_freq";
  public static final String KEY_PREF_UPDATE_LAST = "pref_update_last";
  public static final String KEY_PREF_LOC_PROV = "pref_loc_prov";
  public static final String KEY_PREF_LOC_PROV_STYLE = "pref_loc_prov_style.";
  public static final String KEY_PREF_MAP_LAT = "pref_map_lat";
  public static final String KEY_PREF_MAP_LON = "pref_map_lon";
  public static final String KEY_PREF_MAP_ZOOM = "pref_map_zoom";

  private SharedPreferences mSharedPreferences;

  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_settings);

    // Show the Up button in the action bar.
    ActionBar actionBar = getActionBar();
    actionBar.setDisplayHomeAsUpEnabled(true);

    // Display the fragment as the main content.
    getFragmentManager().beginTransaction()
    .replace(android.R.id.content, new SettingsFragment())
    .commit();

    mSharedPreferences = PreferenceManager.getDefaultSharedPreferences(this);

        // some logic to use the pre-1.7 setting KEY_PREF_UPDATE_WIFI as a
    // fallback if KEY_PREF_UPDATE_NETWORKS is not set
    if (!mSharedPreferences.contains(KEY_PREF_UPDATE_NETWORKS)) {
      Set<String> fallbackUpdateNetworks = new HashSet<String>();
      if (mSharedPreferences.getBoolean(KEY_PREF_UPDATE_WIFI, false)) {
        fallbackUpdateNetworks.add(KEY_PREF_UPDATE_NETWORKS_WIFI);
      }
      SharedPreferences.Editor spEditor = mSharedPreferences.edit();
      spEditor.putStringSet(KEY_PREF_UPDATE_NETWORKS, fallbackUpdateNetworks);
      spEditor.commit();
    }
    
    // by default, show GPS and network location in map
    if (!mSharedPreferences.contains(KEY_PREF_LOC_PROV)) {
      Set<String> defaultLocProvs = new HashSet<String>(Arrays.asList(new String[] {LocationManager.GPS_PROVIDER, LocationManager.NETWORK_PROVIDER}));
      SharedPreferences.Editor spEditor = mSharedPreferences.edit();
      spEditor.putStringSet(KEY_PREF_LOC_PROV, defaultLocProvs);
      spEditor.commit();
    }
  }

  @Override
  protected void onResume() {
    super.onResume();
    mSharedPreferences.registerOnSharedPreferenceChangeListener(this);
    
    SettingsFragment sf = (SettingsFragment) getFragmentManager().findFragmentById(android.R.id.content);
    Preference prefUpdateLast = sf.findPreference(KEY_PREF_UPDATE_LAST);
        final long value = mSharedPreferences.getLong(KEY_PREF_UPDATE_LAST, 0);
        prefUpdateLast.setSummary(String.format(getString(R.string.pref_lastupdate_summary), value));
  }

  @Override
  public void onSharedPreferenceChanged(SharedPreferences sharedPreferences,
      String key) {
    if (key.equals(SettingsActivity.KEY_PREF_NOTIFY_FIX) || key.equals(SettingsActivity.KEY_PREF_NOTIFY_SEARCH)) {
      boolean notifyFix = sharedPreferences.getBoolean(SettingsActivity.KEY_PREF_NOTIFY_FIX, false);
      boolean notifySearch = sharedPreferences.getBoolean(SettingsActivity.KEY_PREF_NOTIFY_SEARCH, false);
      if (!(notifyFix || notifySearch)) {
        Intent stopServiceIntent = new Intent(this, PasvLocListenerService.class);
        this.stopService(stopServiceIntent);
      }
    } else if (key.equals(SettingsActivity.KEY_PREF_UPDATE_FREQ)) {
      // this piece of code is necessary because Android has no way
      // of updating the preference summary automatically. I am
      // told the absence of such functionality is a feature...
      SettingsFragment sf = (SettingsFragment) getFragmentManager().findFragmentById(android.R.id.content);
      ListPreference prefUpdateFreq = (ListPreference) sf.findPreference(KEY_PREF_UPDATE_FREQ);
            final String value = sharedPreferences.getString(key, key);
            final int index = prefUpdateFreq.findIndexOfValue(value);            
            if (index >= 0) {
                final String summary = (String)prefUpdateFreq.getEntries()[index];         
                prefUpdateFreq.setSummary(summary);
            }
    }
  }

  @Override
  protected void onStop() {
    mSharedPreferences.unregisterOnSharedPreferenceChangeListener(this);
    super.onStop();
  }

  public static class SettingsFragment extends PreferenceFragment {
    @Override
    public void onCreate(Bundle savedInstanceState) {
      super.onCreate(savedInstanceState);

      // Load the preferences from an XML resource
      addPreferencesFromResource(R.xml.preferences);
    }

  }
}

Java Source Code List

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