Android Open Source - pawang-ujan Settings Activity

From Project

Back to project page pawang-ujan.

License

The source code is released under:

Apache License

If you think the Android project pawang-ujan listed in this page is inappropriate, such as containing malicious code/tools or violating the copyright, please email info at java2s dot com, thanks.

Java Source Code

/*
 * Copyright (C) 2012 The Android Open Source Project
/*ww w.j a v  a 2  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 com.salatiga.code;

import android.app.ActionBar;
import android.content.SharedPreferences;
import android.content.SharedPreferences.OnSharedPreferenceChangeListener;
import android.os.Bundle;
import android.preference.PreferenceActivity;

/**
 * This preference activity has in its manifest declaration an intent filter for
 * the ACTION_MANAGE_NETWORK_USAGE action. This activity provides a settings UI
 * for users to specify network settings to control data usage.
 */
public class SettingsActivity extends PreferenceActivity implements
    OnSharedPreferenceChangeListener {

  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);

    // Loads the XML preferences file.
    addPreferencesFromResource(R.xml.preferences);
    // get action bar
    ActionBar actionBar = getActionBar();

    // Enabling Up / Back navigation
    actionBar.setDisplayHomeAsUpEnabled(true);
  }

  @Override
  protected void onResume() {
    super.onResume();

    // Registers a callback to be invoked whenever a user changes a
    // preference.
    getPreferenceScreen().getSharedPreferences()
        .registerOnSharedPreferenceChangeListener(this);
  }

  @Override
  protected void onPause() {
    super.onPause();

    // Unregisters the listener set in onResume().
    // It's best practice to unregister listeners when your app isn't using
    // them to cut down on
    // unnecessary system overhead. You do this in onPause().
    getPreferenceScreen().getSharedPreferences()
        .unregisterOnSharedPreferenceChangeListener(this);
  }

  // Fires when the user changes a preference.
  @Override
  public void onSharedPreferenceChanged(SharedPreferences sharedPreferences,
      String key) {
    // Sets refreshDisplay to true so that when the user returns to the main
    // activity, the display refreshes to reflect the new settings.
    MainActivity.refreshDisplay = true;
  }
}

Java Source Code List