BrowserPreferencesPage.java revision bf1d10af39eb23d68db69a8eda9e12e62f1a9682 
1/*
2 * Copyright (C) 2008 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package com.android.browser;
18
19import com.android.browser.preferences.DebugPreferencesFragment;
20
21import android.app.ActionBar;
22import android.os.Bundle;
23import android.preference.PreferenceActivity;
24import android.preference.PreferenceManager;
25import android.view.MenuItem;
26
27import java.util.List;
28
29public class BrowserPreferencesPage extends PreferenceActivity {
30
31    public static final String CURRENT_PAGE = "currentPage";
32
33    @Override
34    public void onCreate(Bundle icicle) {
35        super.onCreate(icicle);
36
37        ActionBar actionBar = getActionBar();
38        if (actionBar != null) {
39            actionBar.setDisplayOptions(
40                    ActionBar.DISPLAY_HOME_AS_UP, ActionBar.DISPLAY_HOME_AS_UP);
41        }
42    }
43
44    /**
45     * Populate the activity with the top-level headers.
46     */
47    @Override
48    public void onBuildHeaders(List<Header> target) {
49        loadHeadersFromResource(R.xml.preference_headers, target);
50
51        if (BrowserSettings.DEV_BUILD || BrowserSettings.getInstance().showDebugSettings()) {
52            Header debug = new Header();
53            debug.title = getText(R.string.pref_development_title);
54            debug.fragment = DebugPreferencesFragment.class.getName();
55            target.add(debug);
56        }
57    }
58
59    @Override
60    protected void onPause() {
61        super.onPause();
62
63        // sync the shared preferences back to BrowserSettings
64        BrowserSettings.getInstance().syncSharedPreferences(
65                getApplicationContext(),
66                PreferenceManager.getDefaultSharedPreferences(this));
67    }
68
69    @Override
70    public boolean onOptionsItemSelected(MenuItem item) {
71        switch (item.getItemId()) {
72            case android.R.id.home:
73                if (getFragmentManager().getBackStackEntryCount() > 0) {
74                    getFragmentManager().popBackStack();
75                } else {
76                    finish();
77                }
78                return true;
79        }
80
81        return false;
82    }
83}
84