Android Open Source - WindNow Settings Activity

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From Project

Back to project page WindNow.

License

The source code is released under:

GNU General Public License

Java Source Code

package com.windnow;
/*  w ww  .  jav  a 2  s.  c  o m*/
import android.annotation.SuppressLint;
import android.annotation.TargetApi;
import android.content.Intent;
import android.content.SharedPreferences;
import android.content.SharedPreferences.OnSharedPreferenceChangeListener;
import android.os.Build;
import android.os.Bundle;
import android.preference.EditTextPreference;
import android.preference.ListPreference;
import android.preference.Preference;
import android.preference.PreferenceActivity;
import android.preference.PreferenceManager;
import android.support.v4.app.NavUtils;
import android.view.MenuItem;

/**
 * 
 * This Class is part of WindNow.
 * 
 * It allows to adjust user settings.
 * 
 * @author Florian Hauser Copyright (C) 2014
 * 
 *         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 3 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, see <http://www.gnu.org/licenses/>.
 */
public class SettingsActivity extends PreferenceActivity implements
    OnSharedPreferenceChangeListener {

  @SuppressWarnings("deprecation")
  @TargetApi(Build.VERSION_CODES.HONEYCOMB)
  @SuppressLint("NewApi")
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    // setContentView(R.layout.activity_type_prefs);
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB_MR2) {
      getActionBar().setDisplayHomeAsUpEnabled(true);
    }
    addPreferencesFromResource(R.xml.pref_general);
    SharedPreferences prefs = PreferenceManager
        .getDefaultSharedPreferences(this);
    prefs.registerOnSharedPreferenceChangeListener(this);
    Preference p = findPreference("user_dir");
    EditTextPreference editTextPref = (EditTextPreference) p;
    p.setSummary(getString(R.string.pref_dialog_sum_dir) + " "
        + editTextPref.getText());
    Preference q = findPreference("pref_list");
    ListPreference listPref = (ListPreference) q;
    q.setSummary(getString(R.string.maximum_number_summary) + " " + listPref.getValue());
  }

  public boolean onOptionsItemSelected(MenuItem item) {
    switch (item.getItemId()) {
    case android.R.id.home:
      Intent intent = new Intent(this, MainActivity.class);
      intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP); // Resume saved
                                // State!
      NavUtils.navigateUpTo(this, intent);
      return true;
    }
    return super.onOptionsItemSelected(item);
  }

  @Override
  protected void onResume() {
    super.onResume();
    // Set up a listener whenever a key changes
    SharedPreferences prefs = PreferenceManager
        .getDefaultSharedPreferences(this);
    prefs.registerOnSharedPreferenceChangeListener(this);
  }

  @Override
  protected void onPause() {
    super.onPause();
    // Unregister the listener whenever a key changes
    SharedPreferences prefs = PreferenceManager
        .getDefaultSharedPreferences(this);
    prefs.unregisterOnSharedPreferenceChangeListener(this);
  }

  @SuppressWarnings("deprecation")
  @Override
  public void onSharedPreferenceChanged(SharedPreferences sharedPreferences,
      String key) {
    SharedPreferences prefs = PreferenceManager
        .getDefaultSharedPreferences(this);
    Preference p = findPreference(key);
    if (p.getKey().equals("pref_list") && p instanceof ListPreference) {
      MainActivity.maxRetries = Integer.parseInt(prefs.getString(
          "pref_list", "5"));
      ListPreference listPref = (ListPreference) p;
      p.setSummary(getString(R.string.maximum_number_summary) + " " + listPref.getValue());
    }
    if (p.getKey().equals("user_dir") && p instanceof EditTextPreference) {
      LoadSaveOps.userDir = prefs.getString("user_dir", "WindNow");
      EditTextPreference editTextPref = (EditTextPreference) p;
      p.setSummary(getString(R.string.pref_dialog_sum_dir) + " "
          + editTextPref.getText());
    }
  }
}

Java Source Code List

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