PreferenceActivity.java revision 83681eb6003d69f095547d10bdd96822e30432c2
19066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 29066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Copyright (C) 2007 The Android Open Source Project 39066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 49066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Licensed under the Apache License, Version 2.0 (the "License"); 59066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * you may not use this file except in compliance with the License. 69066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * You may obtain a copy of the License at 79066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 89066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * http://www.apache.org/licenses/LICENSE-2.0 99066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Unless required by applicable law or agreed to in writing, software 119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * distributed under the License is distributed on an "AS IS" BASIS, 129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * See the License for the specific language governing permissions and 149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * limitations under the License. 159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpackage android.preference; 189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackbornimport com.android.internal.util.XmlUtils; 20b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 21b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackbornimport org.xmlpull.v1.XmlPullParser; 22b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackbornimport org.xmlpull.v1.XmlPullParserException; 23b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 24b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackbornimport android.app.Fragment; 25c6669ca63299219d815464129dac051ab2404286Dianne Hackbornimport android.app.FragmentBreadCrumbs; 26aa904f48cf3e3a31cc43806fee0e17af607c7faeAndrew Stadlerimport android.app.FragmentTransaction; 279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.app.ListActivity; 28b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackbornimport android.content.Context; 299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.content.Intent; 30b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackbornimport android.content.res.Configuration; 31b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackbornimport android.content.res.TypedArray; 32b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackbornimport android.content.res.XmlResourceParser; 339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.os.Bundle; 349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.os.Handler; 359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.os.Message; 36a21e3da55940e239addd80bf379091a1d85d006fDianne Hackbornimport android.os.Parcel; 37a21e3da55940e239addd80bf379091a1d85d006fDianne Hackbornimport android.os.Parcelable; 3819ea2e0d788810473136ceca46c1c28326daff5eFreeman Ngimport android.text.TextUtils; 39b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackbornimport android.util.AttributeSet; 40b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackbornimport android.util.Xml; 41b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackbornimport android.view.LayoutInflater; 429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.view.View; 4319ea2e0d788810473136ceca46c1c28326daff5eFreeman Ngimport android.view.View.OnClickListener; 44aa904f48cf3e3a31cc43806fee0e17af607c7faeAndrew Stadlerimport android.view.ViewGroup; 45a21e3da55940e239addd80bf379091a1d85d006fDianne Hackbornimport android.widget.AbsListView; 46b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackbornimport android.widget.ArrayAdapter; 4719ea2e0d788810473136ceca46c1c28326daff5eFreeman Ngimport android.widget.Button; 485c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackbornimport android.widget.FrameLayout; 49b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackbornimport android.widget.ImageView; 50b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackbornimport android.widget.ListView; 51b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackbornimport android.widget.TextView; 52b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 53b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackbornimport java.io.IOException; 54b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackbornimport java.util.ArrayList; 55b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackbornimport java.util.List; 569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/** 58b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * This is the base class for an activity to show a hierarchy of preferences 59b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * to the user. Prior to {@link android.os.Build.VERSION_CODES#HONEYCOMB} 60b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * this class only allowed the display of a single set of preference; this 61b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * functionality should now be found in the new {@link PreferenceFragment} 62b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * class. If you are using PreferenceActivity in its old mode, the documentation 63b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * there applies to the deprecated APIs here. 64b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * 65b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * <p>This activity shows one or more headers of preferences, each of with 66b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * is associated with a {@link PreferenceFragment} to display the preferences 67b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * of that header. The actual layout and display of these associations can 68b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * however vary; currently there are two major approaches it may take: 69b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * 70b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * <ul> 71b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * <li>On a small screen it may display only the headers as a single list 72b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * when first launched. Selecting one of the header items will re-launch 73b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * the activity with it only showing the PreferenceFragment of that header. 74b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * <li>On a large screen in may display both the headers and current 75b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * PreferenceFragment together as panes. Selecting a header item switches 76b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * to showing the correct PreferenceFragment for that item. 77b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * </ul> 78b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * 79b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * <p>Subclasses of PreferenceActivity should implement 80b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * {@link #onBuildHeaders} to populate the header list with the desired 81b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * items. Doing this implicitly switches the class into its new "headers 82b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * + fragments" mode rather than the old style of just showing a single 83b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * preferences list. 84b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * 85b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * <a name="SampleCode"></a> 86b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * <h3>Sample Code</h3> 87b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * 88b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * <p>The following sample code shows a simple preference activity that 89b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * has two different sets of preferences. The implementation, consisting 90b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * of the activity itself as well as its two preference fragments is:</p> 91b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * 92b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * {@sample development/samples/ApiDemos/src/com/example/android/apis/preference/PreferenceWithHeaders.java 93b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * activity} 9419ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng * 95b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * <p>The preference_headers resource describes the headers to be displayed 96b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * and the fragments associated with them. It is: 97b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * 98b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * {@sample development/samples/ApiDemos/res/xml/preference_headers.xml headers} 99b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * 100b3cf10ffa8ff9cac0da8b23a0d84076b3f501400Dianne Hackborn * <p>The first header is shown by Prefs1Fragment, which populates itself 101b3cf10ffa8ff9cac0da8b23a0d84076b3f501400Dianne Hackborn * from the following XML resource:</p> 102b3cf10ffa8ff9cac0da8b23a0d84076b3f501400Dianne Hackborn * 103b3cf10ffa8ff9cac0da8b23a0d84076b3f501400Dianne Hackborn * {@sample development/samples/ApiDemos/res/xml/fragmented_preferences.xml preferences} 104b3cf10ffa8ff9cac0da8b23a0d84076b3f501400Dianne Hackborn * 105b3cf10ffa8ff9cac0da8b23a0d84076b3f501400Dianne Hackborn * <p>Note that this XML resource contains a preference screen holding another 106b3cf10ffa8ff9cac0da8b23a0d84076b3f501400Dianne Hackborn * fragment, the Prefs1FragmentInner implemented here. This allows the user 107b3cf10ffa8ff9cac0da8b23a0d84076b3f501400Dianne Hackborn * to traverse down a hierarchy of preferences; pressing back will pop each 108b3cf10ffa8ff9cac0da8b23a0d84076b3f501400Dianne Hackborn * fragment off the stack to return to the previous preferences. 109b3cf10ffa8ff9cac0da8b23a0d84076b3f501400Dianne Hackborn * 110b3cf10ffa8ff9cac0da8b23a0d84076b3f501400Dianne Hackborn * <p>See {@link PreferenceFragment} for information on implementing the 111b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * fragments themselves. 1129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpublic abstract class PreferenceActivity extends ListActivity implements 114b3cf10ffa8ff9cac0da8b23a0d84076b3f501400Dianne Hackborn PreferenceManager.OnPreferenceTreeClickListener, 115b3cf10ffa8ff9cac0da8b23a0d84076b3f501400Dianne Hackborn PreferenceFragment.OnPreferenceStartFragmentCallback { 116b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn private static final String TAG = "PreferenceActivity"; 11719ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng 118a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn // Constants for state save/restore 119a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn private static final String HEADERS_TAG = ":android:headers"; 120a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn private static final String CUR_HEADER_TAG = ":android:cur_header"; 121a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn private static final String PREFERENCES_TAG = ":android:preferences"; 12219ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng 123b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn /** 124b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn * When starting this activity, the invoking Intent can contain this extra 125b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn * string to specify which fragment should be initially displayed. 126b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn */ 127b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn public static final String EXTRA_SHOW_FRAGMENT = ":android:show_fragment"; 128b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 129b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn /** 130b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn * When starting this activity and using {@link #EXTRA_SHOW_FRAGMENT}, 131b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn * this extra can also be specify to supply a Bundle of arguments to pass 132b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn * to that fragment when it is instantiated during the initial creation 133b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn * of PreferenceActivity. 134b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn */ 135b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn public static final String EXTRA_SHOW_FRAGMENT_ARGUMENTS = ":android:show_fragment_args"; 136b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn 137b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn /** 138b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn * When starting this activity, the invoking Intent can contain this extra 139b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn * boolean that the header list should not be displayed. This is most often 140b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn * used in conjunction with {@link #EXTRA_SHOW_FRAGMENT} to launch 141b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn * the activity to display a specific fragment that the user has navigated 142b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn * to. 143b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn */ 144b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn public static final String EXTRA_NO_HEADERS = ":android:no_headers"; 145b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 146b3cf10ffa8ff9cac0da8b23a0d84076b3f501400Dianne Hackborn private static final String BACK_STACK_PREFS = ":android:prefs"; 147b3cf10ffa8ff9cac0da8b23a0d84076b3f501400Dianne Hackborn 14819ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng // extras that allow any preference activity to be launched as part of a wizard 14919ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng 15019ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng // show Back and Next buttons? takes boolean parameter 15119ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng // Back will then return RESULT_CANCELED and Next RESULT_OK 15219ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng private static final String EXTRA_PREFS_SHOW_BUTTON_BAR = "extra_prefs_show_button_bar"; 15319ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng 15409dbf1844016682ed461d080e32a43d0086e767dFreeman Ng // add a Skip button? 15509dbf1844016682ed461d080e32a43d0086e767dFreeman Ng private static final String EXTRA_PREFS_SHOW_SKIP = "extra_prefs_show_skip"; 15609dbf1844016682ed461d080e32a43d0086e767dFreeman Ng 15719ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng // specify custom text for the Back or Next buttons, or cause a button to not appear 15819ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng // at all by setting it to null 15919ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng private static final String EXTRA_PREFS_SET_NEXT_TEXT = "extra_prefs_set_next_text"; 16019ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng private static final String EXTRA_PREFS_SET_BACK_TEXT = "extra_prefs_set_back_text"; 16119ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng 162b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn // --- State for new mode when showing a list of headers + prefs fragment 163b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 164b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn private final ArrayList<Header> mHeaders = new ArrayList<Header>(); 165b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 166b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn private HeaderAdapter mAdapter; 167b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 1685c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn private FrameLayout mListFooter; 1695c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn 170b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn private View mPrefsContainer; 171b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 172c6669ca63299219d815464129dac051ab2404286Dianne Hackborn private FragmentBreadCrumbs mFragmentBreadCrumbs; 173c6669ca63299219d815464129dac051ab2404286Dianne Hackborn 174b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn private boolean mSinglePane; 175b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 176a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn private Header mCurHeader; 177a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn 178b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn // --- State for old mode when showing a single preference list 17919ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng 1809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private PreferenceManager mPreferenceManager; 18119ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng 182e7fea45863afb10335cb7845aebcf2907d3c3e41Adam Powell private Bundle mSavedInstanceState; 183e7fea45863afb10335cb7845aebcf2907d3c3e41Adam Powell 184b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn // --- Common state 185b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 186b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn private Button mNextButton; 187b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 1889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The starting request code given out to preference framework. 1909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int FIRST_REQUEST_CODE = 100; 19219ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng 1933e449ce00ed2d3b271e50bc7a52798f630973bf1Dianne Hackborn private static final int MSG_BIND_PREFERENCES = 1; 1943e449ce00ed2d3b271e50bc7a52798f630973bf1Dianne Hackborn private static final int MSG_BUILD_HEADERS = 2; 1959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private Handler mHandler = new Handler() { 1969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 1979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void handleMessage(Message msg) { 1989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project switch (msg.what) { 199a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn case MSG_BIND_PREFERENCES: { 2009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project bindPreferences(); 201a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } break; 202a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn case MSG_BUILD_HEADERS: { 203a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn ArrayList<Header> oldHeaders = new ArrayList<Header>(mHeaders); 204a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn mHeaders.clear(); 205b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn onBuildHeaders(mHeaders); 20683681eb6003d69f095547d10bdd96822e30432c2Andrew Stadler if (mAdapter != null) { 20783681eb6003d69f095547d10bdd96822e30432c2Andrew Stadler mAdapter.notifyDataSetChanged(); 20883681eb6003d69f095547d10bdd96822e30432c2Andrew Stadler } 2095c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn Header header = onGetNewHeader(); 2105c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn if (header != null && header.fragment != null) { 211a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn Header mappedHeader = findBestMatchingHeader(header, oldHeaders); 212a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn if (mappedHeader == null || mCurHeader != mappedHeader) { 213a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn switchToHeader(header); 214a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } 215a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } else if (mCurHeader != null) { 216a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn Header mappedHeader = findBestMatchingHeader(mCurHeader, mHeaders); 217a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn if (mappedHeader != null) { 218a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn setSelectedHeader(mappedHeader); 219a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } else { 220a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn switchToHeader(null); 221a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } 2225c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn } 223a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } break; 2249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project }; 2279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 228468c3230dafc2d131bdeded7b5a6825988166244Andrew Stadler private static class HeaderAdapter extends ArrayAdapter<Header> { 229468c3230dafc2d131bdeded7b5a6825988166244Andrew Stadler private static class HeaderViewHolder { 230468c3230dafc2d131bdeded7b5a6825988166244Andrew Stadler ImageView icon; 231468c3230dafc2d131bdeded7b5a6825988166244Andrew Stadler TextView title; 232468c3230dafc2d131bdeded7b5a6825988166244Andrew Stadler TextView summary; 233468c3230dafc2d131bdeded7b5a6825988166244Andrew Stadler } 234b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 235b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn private LayoutInflater mInflater; 236b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 237b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn public HeaderAdapter(Context context, List<Header> objects) { 238b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn super(context, 0, objects); 239b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn mInflater = (LayoutInflater)context.getSystemService(Context.LAYOUT_INFLATER_SERVICE); 240b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn } 241b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 242b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn @Override 243b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn public View getView(int position, View convertView, ViewGroup parent) { 244b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn HeaderViewHolder holder; 245b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn View view; 246b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 247b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn if (convertView == null) { 248d0fa371f276fde32d81c037006941bc93da0bb03Dianne Hackborn view = mInflater.inflate(com.android.internal.R.layout.preference_header_item, 249b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn parent, false); 250b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn holder = new HeaderViewHolder(); 251468c3230dafc2d131bdeded7b5a6825988166244Andrew Stadler holder.icon = (ImageView) view.findViewById(com.android.internal.R.id.icon); 252468c3230dafc2d131bdeded7b5a6825988166244Andrew Stadler holder.title = (TextView) view.findViewById(com.android.internal.R.id.title); 253468c3230dafc2d131bdeded7b5a6825988166244Andrew Stadler holder.summary = (TextView) view.findViewById(com.android.internal.R.id.summary); 254b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn view.setTag(holder); 255b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn } else { 256b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn view = convertView; 257468c3230dafc2d131bdeded7b5a6825988166244Andrew Stadler holder = (HeaderViewHolder) view.getTag(); 258b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn } 259b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 260468c3230dafc2d131bdeded7b5a6825988166244Andrew Stadler // All view fields must be updated every time, because the view may be recycled 261b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn Header header = getItem(position); 262a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn holder.icon.setImageResource(header.iconRes); 263468c3230dafc2d131bdeded7b5a6825988166244Andrew Stadler holder.title.setText(header.title); 264468c3230dafc2d131bdeded7b5a6825988166244Andrew Stadler if (TextUtils.isEmpty(header.summary)) { 265468c3230dafc2d131bdeded7b5a6825988166244Andrew Stadler holder.summary.setVisibility(View.GONE); 266468c3230dafc2d131bdeded7b5a6825988166244Andrew Stadler } else { 267468c3230dafc2d131bdeded7b5a6825988166244Andrew Stadler holder.summary.setVisibility(View.VISIBLE); 268468c3230dafc2d131bdeded7b5a6825988166244Andrew Stadler holder.summary.setText(header.summary); 269468c3230dafc2d131bdeded7b5a6825988166244Andrew Stadler } 270b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 271b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn return view; 272b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn } 273b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn } 274b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 275b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn /** 276a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn * Default value for {@link Header#id Header.id} indicating that no 277a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn * identifier value is set. All other values (including those below -1) 278a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn * are valid. 279a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn */ 280a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn public static final long HEADER_ID_UNDEFINED = -1; 281a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn 282a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn /** 283b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * Description of a single Header item that the user can select. 284b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn */ 285a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn public static final class Header implements Parcelable { 286a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn /** 287a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn * Identifier for this header, to correlate with a new list when 288a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn * it is updated. The default value is 289a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn * {@link PreferenceActivity#HEADER_ID_UNDEFINED}, meaning no id. 290a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn * @attr ref android.R.styleable#PreferenceHeader_id 291a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn */ 292a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn public long id = HEADER_ID_UNDEFINED; 293a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn 294b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn /** 295b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * Title of the header that is shown to the user. 296b3cf10ffa8ff9cac0da8b23a0d84076b3f501400Dianne Hackborn * @attr ref android.R.styleable#PreferenceHeader_title 297b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn */ 298468c3230dafc2d131bdeded7b5a6825988166244Andrew Stadler public CharSequence title; 299b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 300b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn /** 301b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * Optional summary describing what this header controls. 302b3cf10ffa8ff9cac0da8b23a0d84076b3f501400Dianne Hackborn * @attr ref android.R.styleable#PreferenceHeader_summary 303b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn */ 304468c3230dafc2d131bdeded7b5a6825988166244Andrew Stadler public CharSequence summary; 305b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 306b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn /** 307c6669ca63299219d815464129dac051ab2404286Dianne Hackborn * Optional text to show as the title in the bread crumb. 308c6669ca63299219d815464129dac051ab2404286Dianne Hackborn * @attr ref android.R.styleable#PreferenceHeader_breadCrumbTitle 309c6669ca63299219d815464129dac051ab2404286Dianne Hackborn */ 310c6669ca63299219d815464129dac051ab2404286Dianne Hackborn public CharSequence breadCrumbTitle; 311c6669ca63299219d815464129dac051ab2404286Dianne Hackborn 312c6669ca63299219d815464129dac051ab2404286Dianne Hackborn /** 313c6669ca63299219d815464129dac051ab2404286Dianne Hackborn * Optional text to show as the short title in the bread crumb. 314c6669ca63299219d815464129dac051ab2404286Dianne Hackborn * @attr ref android.R.styleable#PreferenceHeader_breadCrumbShortTitle 315c6669ca63299219d815464129dac051ab2404286Dianne Hackborn */ 316c6669ca63299219d815464129dac051ab2404286Dianne Hackborn public CharSequence breadCrumbShortTitle; 317c6669ca63299219d815464129dac051ab2404286Dianne Hackborn 318c6669ca63299219d815464129dac051ab2404286Dianne Hackborn /** 319b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * Optional icon resource to show for this header. 320b3cf10ffa8ff9cac0da8b23a0d84076b3f501400Dianne Hackborn * @attr ref android.R.styleable#PreferenceHeader_icon 321b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn */ 322468c3230dafc2d131bdeded7b5a6825988166244Andrew Stadler public int iconRes; 323b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 324b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn /** 325b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * Full class name of the fragment to display when this header is 326b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * selected. 327b3cf10ffa8ff9cac0da8b23a0d84076b3f501400Dianne Hackborn * @attr ref android.R.styleable#PreferenceHeader_fragment 328b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn */ 329468c3230dafc2d131bdeded7b5a6825988166244Andrew Stadler public String fragment; 330b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn 331b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn /** 332b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn * Optional arguments to supply to the fragment when it is 333b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn * instantiated. 334b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn */ 335468c3230dafc2d131bdeded7b5a6825988166244Andrew Stadler public Bundle fragmentArguments; 3365c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn 3375c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn /** 3385c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn * Intent to launch when the preference is selected. 3395c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn */ 3405c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn public Intent intent; 341a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn 342a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn /** 343a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn * Optional additional data for use by subclasses of PreferenceActivity. 344a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn */ 345a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn public Bundle extras; 346a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn 347a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn public Header() { 348a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } 349a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn 350a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn @Override 351a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn public int describeContents() { 352a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn return 0; 353a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } 354a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn 355a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn @Override 356a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn public void writeToParcel(Parcel dest, int flags) { 357a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn dest.writeLong(id); 358a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn TextUtils.writeToParcel(title, dest, flags); 359a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn TextUtils.writeToParcel(summary, dest, flags); 360c6669ca63299219d815464129dac051ab2404286Dianne Hackborn TextUtils.writeToParcel(breadCrumbTitle, dest, flags); 361c6669ca63299219d815464129dac051ab2404286Dianne Hackborn TextUtils.writeToParcel(breadCrumbShortTitle, dest, flags); 362a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn dest.writeInt(iconRes); 363a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn dest.writeString(fragment); 364a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn dest.writeBundle(fragmentArguments); 365a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn if (intent != null) { 366a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn dest.writeInt(1); 367a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn intent.writeToParcel(dest, flags); 368a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } else { 369a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn dest.writeInt(0); 370a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } 371a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn dest.writeBundle(extras); 372a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } 373a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn 374a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn public void readFromParcel(Parcel in) { 375a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn id = in.readLong(); 376a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn title = TextUtils.CHAR_SEQUENCE_CREATOR.createFromParcel(in); 377a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn summary = TextUtils.CHAR_SEQUENCE_CREATOR.createFromParcel(in); 378c6669ca63299219d815464129dac051ab2404286Dianne Hackborn breadCrumbTitle = TextUtils.CHAR_SEQUENCE_CREATOR.createFromParcel(in); 379c6669ca63299219d815464129dac051ab2404286Dianne Hackborn breadCrumbShortTitle = TextUtils.CHAR_SEQUENCE_CREATOR.createFromParcel(in); 380a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn iconRes = in.readInt(); 381a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn fragment = in.readString(); 382a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn fragmentArguments = in.readBundle(); 383a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn if (in.readInt() != 0) { 384a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn intent = Intent.CREATOR.createFromParcel(in); 385a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } 386a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn extras = in.readBundle(); 387a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } 388a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn 389a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn Header(Parcel in) { 390a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn readFromParcel(in); 391a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } 392a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn 393a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn public static final Creator<Header> CREATOR = new Creator<Header>() { 394a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn public Header createFromParcel(Parcel source) { 395a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn return new Header(source); 396a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } 397a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn public Header[] newArray(int size) { 398a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn return new Header[size]; 399a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } 400a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn }; 401b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn } 402b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 4039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 4049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void onCreate(Bundle savedInstanceState) { 4059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.onCreate(savedInstanceState); 4069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setContentView(com.android.internal.R.layout.preference_list_content); 40819ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng 4095c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn mListFooter = (FrameLayout)findViewById(com.android.internal.R.id.list_footer); 410b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn mPrefsContainer = findViewById(com.android.internal.R.id.prefs); 411b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn boolean hidingHeaders = onIsHidingHeaders(); 412b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn mSinglePane = hidingHeaders || !onIsMultiPane(); 413b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn String initialFragment = getIntent().getStringExtra(EXTRA_SHOW_FRAGMENT); 414b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn Bundle initialArguments = getIntent().getBundleExtra(EXTRA_SHOW_FRAGMENT_ARGUMENTS); 415b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 416a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn if (savedInstanceState != null) { 417a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn // We are restarting from a previous saved state; used that to 418a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn // initialize, instead of starting fresh. 419a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn ArrayList<Header> headers = savedInstanceState.getParcelableArrayList(HEADERS_TAG); 420a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn if (headers != null) { 421a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn mHeaders.addAll(headers); 422a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn int curHeader = savedInstanceState.getInt(CUR_HEADER_TAG, 423a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn (int)HEADER_ID_UNDEFINED); 424a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn if (curHeader >= 0 && curHeader < mHeaders.size()) { 425a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn setSelectedHeader(mHeaders.get(curHeader)); 426a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } 427a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } 428b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 429b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn } else { 430a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn if (initialFragment != null && mSinglePane) { 431a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn // If we are just showing a fragment, we want to run in 432a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn // new fragment mode, but don't need to compute and show 433a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn // the headers. 434a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn switchToHeader(initialFragment, initialArguments); 435a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn 436a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } else { 437a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn // We need to try to build the headers. 438a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn onBuildHeaders(mHeaders); 439a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn 440a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn // If there are headers, then at this point we need to show 441a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn // them and, depending on the screen, we may also show in-line 442a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn // the currently selected preference fragment. 443a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn if (mHeaders.size() > 0) { 444a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn if (!mSinglePane) { 445a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn if (initialFragment == null) { 446a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn Header h = onGetInitialHeader(); 447a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn switchToHeader(h); 448a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } else { 449a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn switchToHeader(initialFragment, initialArguments); 450a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } 451b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn } 452b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn } 453a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } 454a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } 455b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 456a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn // The default configuration is to only show the list view. Adjust 457a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn // visibility for other configurations. 458a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn if (initialFragment != null && mSinglePane) { 459a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn // Single pane, showing just a prefs fragment. 46005fbc31ed9c6ac13a7aeddc176f19a5c17217e30Amith Yamasani findViewById(com.android.internal.R.id.headers).setVisibility(View.GONE); 461a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn mPrefsContainer.setVisibility(View.VISIBLE); 462a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } else if (mHeaders.size() > 0) { 463a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn mAdapter = new HeaderAdapter(this, mHeaders); 464a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn setListAdapter(mAdapter); 465a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn if (!mSinglePane) { 466a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn // Multi-pane. 467a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn getListView().setChoiceMode(AbsListView.CHOICE_MODE_SINGLE); 468d0fa371f276fde32d81c037006941bc93da0bb03Dianne Hackborn if (mCurHeader != null) { 469d0fa371f276fde32d81c037006941bc93da0bb03Dianne Hackborn setSelectedHeader(mCurHeader); 470d0fa371f276fde32d81c037006941bc93da0bb03Dianne Hackborn } 471a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn mPrefsContainer.setVisibility(View.VISIBLE); 472a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } 473a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } else { 474b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn // If there are no headers, we are in the old "just show a screen 475b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn // of preferences" mode. 476a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn mPreferenceManager = new PreferenceManager(this, FIRST_REQUEST_CODE); 477a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn mPreferenceManager.setOnPreferenceTreeClickListener(this); 478b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn } 479b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 480b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn getListView().setScrollBarStyle(View.SCROLLBARS_INSIDE_OVERLAY); 481b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 48219ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng // see if we should show Back/Next buttons 48319ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng Intent intent = getIntent(); 48419ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng if (intent.getBooleanExtra(EXTRA_PREFS_SHOW_BUTTON_BAR, false)) { 48519ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng 48619ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng findViewById(com.android.internal.R.id.button_bar).setVisibility(View.VISIBLE); 48719ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng 48819ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng Button backButton = (Button)findViewById(com.android.internal.R.id.back_button); 48919ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng backButton.setOnClickListener(new OnClickListener() { 49019ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng public void onClick(View v) { 49119ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng setResult(RESULT_CANCELED); 49219ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng finish(); 49319ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng } 49419ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng }); 49509dbf1844016682ed461d080e32a43d0086e767dFreeman Ng Button skipButton = (Button)findViewById(com.android.internal.R.id.skip_button); 49609dbf1844016682ed461d080e32a43d0086e767dFreeman Ng skipButton.setOnClickListener(new OnClickListener() { 49709dbf1844016682ed461d080e32a43d0086e767dFreeman Ng public void onClick(View v) { 49809dbf1844016682ed461d080e32a43d0086e767dFreeman Ng setResult(RESULT_OK); 49909dbf1844016682ed461d080e32a43d0086e767dFreeman Ng finish(); 50009dbf1844016682ed461d080e32a43d0086e767dFreeman Ng } 50109dbf1844016682ed461d080e32a43d0086e767dFreeman Ng }); 50219ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng mNextButton = (Button)findViewById(com.android.internal.R.id.next_button); 50319ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng mNextButton.setOnClickListener(new OnClickListener() { 50419ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng public void onClick(View v) { 50519ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng setResult(RESULT_OK); 50619ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng finish(); 50719ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng } 50819ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng }); 50919ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng 51019ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng // set our various button parameters 51119ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng if (intent.hasExtra(EXTRA_PREFS_SET_NEXT_TEXT)) { 51219ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng String buttonText = intent.getStringExtra(EXTRA_PREFS_SET_NEXT_TEXT); 51319ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng if (TextUtils.isEmpty(buttonText)) { 51419ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng mNextButton.setVisibility(View.GONE); 51519ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng } 51619ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng else { 51719ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng mNextButton.setText(buttonText); 51819ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng } 51919ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng } 52019ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng if (intent.hasExtra(EXTRA_PREFS_SET_BACK_TEXT)) { 52119ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng String buttonText = intent.getStringExtra(EXTRA_PREFS_SET_BACK_TEXT); 52219ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng if (TextUtils.isEmpty(buttonText)) { 52319ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng backButton.setVisibility(View.GONE); 52419ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng } 52519ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng else { 52619ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng backButton.setText(buttonText); 52719ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng } 52819ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng } 52909dbf1844016682ed461d080e32a43d0086e767dFreeman Ng if (intent.getBooleanExtra(EXTRA_PREFS_SHOW_SKIP, false)) { 53009dbf1844016682ed461d080e32a43d0086e767dFreeman Ng skipButton.setVisibility(View.VISIBLE); 53109dbf1844016682ed461d080e32a43d0086e767dFreeman Ng } 53219ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng } 533b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn } 534b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 535b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn /** 536291905e34a7f0ae03c68fb2c1b8c34b92d447fbfDianne Hackborn * Returns true if this activity is currently showing the header list. 537291905e34a7f0ae03c68fb2c1b8c34b92d447fbfDianne Hackborn */ 538291905e34a7f0ae03c68fb2c1b8c34b92d447fbfDianne Hackborn public boolean hasHeaders() { 539291905e34a7f0ae03c68fb2c1b8c34b92d447fbfDianne Hackborn return getListView().getVisibility() == View.VISIBLE 540291905e34a7f0ae03c68fb2c1b8c34b92d447fbfDianne Hackborn && mPreferenceManager == null; 541291905e34a7f0ae03c68fb2c1b8c34b92d447fbfDianne Hackborn } 542291905e34a7f0ae03c68fb2c1b8c34b92d447fbfDianne Hackborn 543291905e34a7f0ae03c68fb2c1b8c34b92d447fbfDianne Hackborn /** 544291905e34a7f0ae03c68fb2c1b8c34b92d447fbfDianne Hackborn * Returns true if this activity is showing multiple panes -- the headers 545291905e34a7f0ae03c68fb2c1b8c34b92d447fbfDianne Hackborn * and a preference fragment. 546291905e34a7f0ae03c68fb2c1b8c34b92d447fbfDianne Hackborn */ 547291905e34a7f0ae03c68fb2c1b8c34b92d447fbfDianne Hackborn public boolean isMultiPane() { 548291905e34a7f0ae03c68fb2c1b8c34b92d447fbfDianne Hackborn return hasHeaders() && mPrefsContainer.getVisibility() == View.VISIBLE; 549291905e34a7f0ae03c68fb2c1b8c34b92d447fbfDianne Hackborn } 550291905e34a7f0ae03c68fb2c1b8c34b92d447fbfDianne Hackborn 551291905e34a7f0ae03c68fb2c1b8c34b92d447fbfDianne Hackborn /** 552b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * Called to determine if the activity should run in multi-pane mode. 553b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * The default implementation returns true if the screen is large 554b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * enough. 555b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn */ 556b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn public boolean onIsMultiPane() { 557b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn Configuration config = getResources().getConfiguration(); 558b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn if ((config.screenLayout&Configuration.SCREENLAYOUT_SIZE_MASK) 559c6669ca63299219d815464129dac051ab2404286Dianne Hackborn == Configuration.SCREENLAYOUT_SIZE_XLARGE) { 560c6669ca63299219d815464129dac051ab2404286Dianne Hackborn return true; 561c6669ca63299219d815464129dac051ab2404286Dianne Hackborn } 562c6669ca63299219d815464129dac051ab2404286Dianne Hackborn if ((config.screenLayout&Configuration.SCREENLAYOUT_SIZE_MASK) 563c6669ca63299219d815464129dac051ab2404286Dianne Hackborn == Configuration.SCREENLAYOUT_SIZE_LARGE 564b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn && config.orientation == Configuration.ORIENTATION_LANDSCAPE) { 565b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn return true; 566b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn } 567b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn return false; 568b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn } 569b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 570b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn /** 571291905e34a7f0ae03c68fb2c1b8c34b92d447fbfDianne Hackborn * Called to determine whether the header list should be hidden. 572291905e34a7f0ae03c68fb2c1b8c34b92d447fbfDianne Hackborn * The default implementation returns the 573291905e34a7f0ae03c68fb2c1b8c34b92d447fbfDianne Hackborn * value given in {@link #EXTRA_NO_HEADERS} or false if it is not supplied. 574291905e34a7f0ae03c68fb2c1b8c34b92d447fbfDianne Hackborn * This is set to false, for example, when the activity is being re-launched 575291905e34a7f0ae03c68fb2c1b8c34b92d447fbfDianne Hackborn * to show a particular preference activity. 576b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn */ 577b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn public boolean onIsHidingHeaders() { 578b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn return getIntent().getBooleanExtra(EXTRA_NO_HEADERS, false); 579b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn } 580b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 581b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn /** 582b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn * Called to determine the initial header to be shown. The default 583b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn * implementation simply returns the fragment of the first header. Note 584b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn * that the returned Header object does not actually need to exist in 585b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn * your header list -- whatever its fragment is will simply be used to 586b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn * show for the initial UI. 587b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn */ 588b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn public Header onGetInitialHeader() { 589b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn return mHeaders.get(0); 590b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn } 591b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 592b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn /** 5935c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn * Called after the header list has been updated ({@link #onBuildHeaders} 5945c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn * has been called and returned due to {@link #invalidateHeaders()}) to 5955c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn * specify the header that should now be selected. The default implementation 5965c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn * returns null to keep whatever header is currently selected. 5975c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn */ 5985c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn public Header onGetNewHeader() { 5995c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn return null; 6005c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn } 6015c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn 6025c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn /** 603b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * Called when the activity needs its list of headers build. By 604b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * implementing this and adding at least one item to the list, you 605b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * will cause the activity to run in its modern fragment mode. Note 606b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * that this function may not always be called; for example, if the 607b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * activity has been asked to display a particular fragment without 608b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * the header list, there is no need to build the headers. 609b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * 610b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * <p>Typical implementations will use {@link #loadHeadersFromResource} 611b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * to fill in the list from a resource. 612b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * 613b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * @param target The list in which to place the headers. 614b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn */ 615b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn public void onBuildHeaders(List<Header> target) { 616b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn } 617b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 618b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn /** 619b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn * Call when you need to change the headers being displayed. Will result 620b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn * in onBuildHeaders() later being called to retrieve the new list. 621b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn */ 622b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn public void invalidateHeaders() { 623b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn if (!mHandler.hasMessages(MSG_BUILD_HEADERS)) { 624b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn mHandler.sendEmptyMessage(MSG_BUILD_HEADERS); 625b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn } 626b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn } 627b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn 628b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn /** 629b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * Parse the given XML file as a header description, adding each 630b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * parsed Header into the target list. 631b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * 632b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * @param resid The XML resource to load and parse. 633b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * @param target The list in which the parsed headers should be placed. 634b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn */ 635b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn public void loadHeadersFromResource(int resid, List<Header> target) { 636b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn XmlResourceParser parser = null; 637b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn try { 638b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn parser = getResources().getXml(resid); 639b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn AttributeSet attrs = Xml.asAttributeSet(parser); 640b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 641b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn int type; 642b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn while ((type=parser.next()) != XmlPullParser.END_DOCUMENT 643b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn && type != XmlPullParser.START_TAG) { 644b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn } 645b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 646b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn String nodeName = parser.getName(); 647def1537e9e8d0dd190cde5310ddae8b921088c9bDianne Hackborn if (!"preference-headers".equals(nodeName)) { 648b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn throw new RuntimeException( 649def1537e9e8d0dd190cde5310ddae8b921088c9bDianne Hackborn "XML document must start with <preference-headers> tag; found" 650b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn + nodeName + " at " + parser.getPositionDescription()); 651b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn } 652b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 653def1537e9e8d0dd190cde5310ddae8b921088c9bDianne Hackborn Bundle curBundle = null; 654def1537e9e8d0dd190cde5310ddae8b921088c9bDianne Hackborn 6555c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn final int outerDepth = parser.getDepth(); 656b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn while ((type=parser.next()) != XmlPullParser.END_DOCUMENT 657b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { 658b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { 659b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn continue; 660b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn } 661b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 662b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn nodeName = parser.getName(); 663def1537e9e8d0dd190cde5310ddae8b921088c9bDianne Hackborn if ("header".equals(nodeName)) { 664b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn Header header = new Header(); 665b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 666b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn TypedArray sa = getResources().obtainAttributes(attrs, 667b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn com.android.internal.R.styleable.PreferenceHeader); 668ed13cde1de86933f64285fa34e3a3aca80994859Amith Yamasani header.id = sa.getResourceId( 669a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn com.android.internal.R.styleable.PreferenceHeader_id, 670a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn (int)HEADER_ID_UNDEFINED); 671b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn header.title = sa.getText( 672b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn com.android.internal.R.styleable.PreferenceHeader_title); 673b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn header.summary = sa.getText( 674b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn com.android.internal.R.styleable.PreferenceHeader_summary); 675c6669ca63299219d815464129dac051ab2404286Dianne Hackborn header.breadCrumbTitle = sa.getText( 676c6669ca63299219d815464129dac051ab2404286Dianne Hackborn com.android.internal.R.styleable.PreferenceHeader_breadCrumbTitle); 677c6669ca63299219d815464129dac051ab2404286Dianne Hackborn header.breadCrumbShortTitle = sa.getText( 678c6669ca63299219d815464129dac051ab2404286Dianne Hackborn com.android.internal.R.styleable.PreferenceHeader_breadCrumbShortTitle); 679b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn header.iconRes = sa.getResourceId( 680b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn com.android.internal.R.styleable.PreferenceHeader_icon, 0); 681b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn header.fragment = sa.getString( 682b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn com.android.internal.R.styleable.PreferenceHeader_fragment); 683b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn sa.recycle(); 684b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 685def1537e9e8d0dd190cde5310ddae8b921088c9bDianne Hackborn if (curBundle == null) { 686def1537e9e8d0dd190cde5310ddae8b921088c9bDianne Hackborn curBundle = new Bundle(); 687def1537e9e8d0dd190cde5310ddae8b921088c9bDianne Hackborn } 6885c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn 6895c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn final int innerDepth = parser.getDepth(); 6905c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn while ((type=parser.next()) != XmlPullParser.END_DOCUMENT 6915c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn && (type != XmlPullParser.END_TAG || parser.getDepth() > innerDepth)) { 6925c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { 6935c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn continue; 6945c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn } 6955c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn 6965c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn String innerNodeName = parser.getName(); 6975c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn if (innerNodeName.equals("extra")) { 6985c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn getResources().parseBundleExtra("extra", attrs, curBundle); 6995c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn XmlUtils.skipCurrentTag(parser); 7005c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn 7015c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn } else if (innerNodeName.equals("intent")) { 7025c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn header.intent = Intent.parseIntent(getResources(), parser, attrs); 7035c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn 7045c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn } else { 7055c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn XmlUtils.skipCurrentTag(parser); 7065c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn } 7075c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn } 7085c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn 709def1537e9e8d0dd190cde5310ddae8b921088c9bDianne Hackborn if (curBundle.size() > 0) { 710def1537e9e8d0dd190cde5310ddae8b921088c9bDianne Hackborn header.fragmentArguments = curBundle; 711def1537e9e8d0dd190cde5310ddae8b921088c9bDianne Hackborn curBundle = null; 712def1537e9e8d0dd190cde5310ddae8b921088c9bDianne Hackborn } 713b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 714def1537e9e8d0dd190cde5310ddae8b921088c9bDianne Hackborn target.add(header); 715b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn } else { 716b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn XmlUtils.skipCurrentTag(parser); 717b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn } 718b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn } 719b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 720b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn } catch (XmlPullParserException e) { 721b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn throw new RuntimeException("Error parsing headers", e); 722b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn } catch (IOException e) { 723b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn throw new RuntimeException("Error parsing headers", e); 724b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn } finally { 725b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn if (parser != null) parser.close(); 726b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn } 72719ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng 7289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7305c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn /** 7315c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn * Set a footer that should be shown at the bottom of the header list. 7325c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn */ 7335c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn public void setListFooter(View view) { 7345c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn mListFooter.removeAllViews(); 7355c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn mListFooter.addView(view, new FrameLayout.LayoutParams( 7365c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn FrameLayout.LayoutParams.MATCH_PARENT, 7375c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn FrameLayout.LayoutParams.WRAP_CONTENT)); 7385c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn } 7395c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn 7409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 7419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void onStop() { 7429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.onStop(); 74319ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng 744b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn if (mPreferenceManager != null) { 745b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn mPreferenceManager.dispatchActivityStop(); 746b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn } 7479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 7509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void onDestroy() { 7519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.onDestroy(); 752b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 753b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn if (mPreferenceManager != null) { 754b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn mPreferenceManager.dispatchActivityDestroy(); 755b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn } 7569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 7599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void onSaveInstanceState(Bundle outState) { 7609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.onSaveInstanceState(outState); 7619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 762a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn if (mHeaders.size() > 0) { 763a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn outState.putParcelableArrayList(HEADERS_TAG, mHeaders); 764a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn if (mCurHeader != null) { 765a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn int index = mHeaders.indexOf(mCurHeader); 766a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn if (index >= 0) { 767a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn outState.putInt(CUR_HEADER_TAG, index); 768a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } 769a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } 770a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } 771a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn 772b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn if (mPreferenceManager != null) { 773b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn final PreferenceScreen preferenceScreen = getPreferenceScreen(); 774b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn if (preferenceScreen != null) { 775b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn Bundle container = new Bundle(); 776b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn preferenceScreen.saveHierarchyState(container); 777b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn outState.putBundle(PREFERENCES_TAG, container); 778b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn } 7799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 7839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void onRestoreInstanceState(Bundle state) { 784b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn if (mPreferenceManager != null) { 785b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn Bundle container = state.getBundle(PREFERENCES_TAG); 786b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn if (container != null) { 787b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn final PreferenceScreen preferenceScreen = getPreferenceScreen(); 788b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn if (preferenceScreen != null) { 789b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn preferenceScreen.restoreHierarchyState(container); 790b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn mSavedInstanceState = state; 791b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn return; 792b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn } 7939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 795e7fea45863afb10335cb7845aebcf2907d3c3e41Adam Powell 796e7fea45863afb10335cb7845aebcf2907d3c3e41Adam Powell // Only call this if we didn't save the instance state for later. 797e7fea45863afb10335cb7845aebcf2907d3c3e41Adam Powell // If we did save it, it will be restored when we bind the adapter. 798e7fea45863afb10335cb7845aebcf2907d3c3e41Adam Powell super.onRestoreInstanceState(state); 7999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 8029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void onActivityResult(int requestCode, int resultCode, Intent data) { 8039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.onActivityResult(requestCode, resultCode, data); 80419ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng 805b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn if (mPreferenceManager != null) { 806b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn mPreferenceManager.dispatchActivityResult(requestCode, resultCode, data); 807b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn } 8089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 8119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void onContentChanged() { 8129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.onContentChanged(); 813b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 814b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn if (mPreferenceManager != null) { 815b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn postBindPreferences(); 816b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn } 817b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn } 818b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 819b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn @Override 820b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn protected void onListItemClick(ListView l, View v, int position, long id) { 821b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn super.onListItemClick(l, v, position, id); 822b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 823b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn if (mAdapter != null) { 824b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn onHeaderClick(mHeaders.get(position), position); 825b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn } 826b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn } 827b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 828b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn /** 829b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * Called when the user selects an item in the header list. The default 8308eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn * implementation will call either {@link #startWithFragment(String, Bundle, Fragment, int)} 831a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn * or {@link #switchToHeader(Header)} as appropriate. 832b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * 833b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * @param header The header that was selected. 834b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * @param position The header's position in the list. 835b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn */ 836b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn public void onHeaderClick(Header header, int position) { 8375c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn if (header.fragment != null) { 8385c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn if (mSinglePane) { 8398eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn startWithFragment(header.fragment, header.fragmentArguments, null, 0); 8405c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn } else { 841a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn switchToHeader(header); 8425c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn } 8435c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn } else if (header.intent != null) { 8445c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn startActivity(header.intent); 845b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn } 846b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn } 847b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 848b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn /** 849b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * Start a new instance of this activity, showing only the given 850b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * preference fragment. When launched in this mode, the header list 851b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * will be hidden and the given preference fragment will be instantiated 852b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * and fill the entire activity. 853b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * 854b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * @param fragmentName The name of the fragment to display. 855b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn * @param args Optional arguments to supply to the fragment. 856b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn */ 8578eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn public void startWithFragment(String fragmentName, Bundle args, 8588eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn Fragment resultTo, int resultRequestCode) { 859b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn Intent intent = new Intent(Intent.ACTION_MAIN); 860b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn intent.setClass(this, getClass()); 861b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn intent.putExtra(EXTRA_SHOW_FRAGMENT, fragmentName); 862b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn intent.putExtra(EXTRA_SHOW_FRAGMENT_ARGUMENTS, args); 863b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn intent.putExtra(EXTRA_NO_HEADERS, true); 8648eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn if (resultTo == null) { 8658eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn startActivity(intent); 8668eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn } else { 8678eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn resultTo.startActivityForResult(intent, resultRequestCode); 8688eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn } 869b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn } 870b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 871c6669ca63299219d815464129dac051ab2404286Dianne Hackborn /** 872c6669ca63299219d815464129dac051ab2404286Dianne Hackborn * Change the base title of the bread crumbs for the current preferences. 873c6669ca63299219d815464129dac051ab2404286Dianne Hackborn * This will normally be called for you. See 874c6669ca63299219d815464129dac051ab2404286Dianne Hackborn * {@link android.app.FragmentBreadCrumbs} for more information. 875c6669ca63299219d815464129dac051ab2404286Dianne Hackborn */ 876c6669ca63299219d815464129dac051ab2404286Dianne Hackborn public void showBreadCrumbs(CharSequence title, CharSequence shortTitle) { 877c6669ca63299219d815464129dac051ab2404286Dianne Hackborn if (mFragmentBreadCrumbs == null) { 878c6669ca63299219d815464129dac051ab2404286Dianne Hackborn mFragmentBreadCrumbs = new FragmentBreadCrumbs(this); 879c6669ca63299219d815464129dac051ab2404286Dianne Hackborn mFragmentBreadCrumbs.setActivity(this); 880c6669ca63299219d815464129dac051ab2404286Dianne Hackborn getActionBar().setCustomNavigationMode(mFragmentBreadCrumbs); 881c6669ca63299219d815464129dac051ab2404286Dianne Hackborn } 882c6669ca63299219d815464129dac051ab2404286Dianne Hackborn mFragmentBreadCrumbs.setTitle(title, shortTitle); 883c6669ca63299219d815464129dac051ab2404286Dianne Hackborn } 884c6669ca63299219d815464129dac051ab2404286Dianne Hackborn 885a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn void setSelectedHeader(Header header) { 886a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn mCurHeader = header; 887a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn int index = mHeaders.indexOf(header); 888a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn if (index >= 0) { 889a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn getListView().setItemChecked(index, true); 890a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } else { 891a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn getListView().clearChoices(); 892a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } 893c6669ca63299219d815464129dac051ab2404286Dianne Hackborn if (header != null) { 894c6669ca63299219d815464129dac051ab2404286Dianne Hackborn CharSequence title = header.breadCrumbTitle; 895c6669ca63299219d815464129dac051ab2404286Dianne Hackborn if (title == null) title = header.title; 896c6669ca63299219d815464129dac051ab2404286Dianne Hackborn if (title == null) title = getTitle(); 897c6669ca63299219d815464129dac051ab2404286Dianne Hackborn showBreadCrumbs(title, header.breadCrumbShortTitle); 898c6669ca63299219d815464129dac051ab2404286Dianne Hackborn } else { 899c6669ca63299219d815464129dac051ab2404286Dianne Hackborn showBreadCrumbs(getTitle(), null); 900c6669ca63299219d815464129dac051ab2404286Dianne Hackborn } 901c6669ca63299219d815464129dac051ab2404286Dianne Hackborn } 902c6669ca63299219d815464129dac051ab2404286Dianne Hackborn 903f5cbaeda148aa80470d4100d51e3fb3975843ef2Amith Yamasani private void switchToHeaderInner(String fragmentName, Bundle args, int direction) { 904c6669ca63299219d815464129dac051ab2404286Dianne Hackborn getFragmentManager().popBackStack(BACK_STACK_PREFS, POP_BACK_STACK_INCLUSIVE); 905c6669ca63299219d815464129dac051ab2404286Dianne Hackborn Fragment f = Fragment.instantiate(this, fragmentName, args); 9069ff82bf2b33513052500473d0d6d025a80dcecbfChet Haase FragmentTransaction transaction = getFragmentManager().openTransaction(); 907f5cbaeda148aa80470d4100d51e3fb3975843ef2Amith Yamasani transaction.setTransition(direction == 0 ? FragmentTransaction.TRANSIT_NONE 908f5cbaeda148aa80470d4100d51e3fb3975843ef2Amith Yamasani : direction > 0 ? FragmentTransaction.TRANSIT_FRAGMENT_NEXT 909f5cbaeda148aa80470d4100d51e3fb3975843ef2Amith Yamasani : FragmentTransaction.TRANSIT_FRAGMENT_PREV); 9109ff82bf2b33513052500473d0d6d025a80dcecbfChet Haase transaction.replace(com.android.internal.R.id.prefs, f); 9119ff82bf2b33513052500473d0d6d025a80dcecbfChet Haase transaction.commit(); 912a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } 913a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn 914b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn /** 915b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * When in two-pane mode, switch the fragment pane to show the given 916b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * preference fragment. 917b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * 918b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * @param fragmentName The name of the fragment to display. 919b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn * @param args Optional arguments to supply to the fragment. 920b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn */ 921b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn public void switchToHeader(String fragmentName, Bundle args) { 922a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn setSelectedHeader(null); 923f5cbaeda148aa80470d4100d51e3fb3975843ef2Amith Yamasani switchToHeaderInner(fragmentName, args, 0); 9249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 926aa904f48cf3e3a31cc43806fee0e17af607c7faeAndrew Stadler /** 927a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn * When in two-pane mode, switch to the fragment pane to show the given 928a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn * preference fragment. 929a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn * 930a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn * @param header The new header to display. 931a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn */ 932a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn public void switchToHeader(Header header) { 9338eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn if (mCurHeader == header) { 9348eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn // This is the header we are currently displaying. Just make sure 9358eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn // to pop the stack up to its root state. 9368eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn getFragmentManager().popBackStack(BACK_STACK_PREFS, POP_BACK_STACK_INCLUSIVE); 9378eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn } else { 9388eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn int direction = mHeaders.indexOf(header) - mHeaders.indexOf(mCurHeader); 9398eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn switchToHeaderInner(header.fragment, header.fragmentArguments, direction); 9408eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn setSelectedHeader(header); 9418eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn } 942a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } 943a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn 944a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn Header findBestMatchingHeader(Header cur, ArrayList<Header> from) { 945a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn ArrayList<Header> matches = new ArrayList<Header>(); 946a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn for (int j=0; j<from.size(); j++) { 947a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn Header oh = from.get(j); 948a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn if (cur == oh || (cur.id != HEADER_ID_UNDEFINED && cur.id == oh.id)) { 949a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn // Must be this one. 950a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn matches.clear(); 951a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn matches.add(oh); 952a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn break; 953a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } 954a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn if (cur.fragment != null) { 955a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn if (cur.fragment.equals(oh.fragment)) { 956a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn matches.add(oh); 957a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } 958a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } else if (cur.intent != null) { 959a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn if (cur.intent.equals(oh.intent)) { 960a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn matches.add(oh); 961a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } 962a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } else if (cur.title != null) { 963a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn if (cur.title.equals(oh.title)) { 964a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn matches.add(oh); 965a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } 966a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } 967a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } 968a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn final int NM = matches.size(); 969a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn if (NM == 1) { 970a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn return matches.get(0); 971a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } else if (NM > 1) { 972a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn for (int j=0; j<NM; j++) { 973a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn Header oh = matches.get(j); 974a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn if (cur.fragmentArguments != null && 975a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn cur.fragmentArguments.equals(oh.fragmentArguments)) { 976a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn return oh; 977a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } 978a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn if (cur.extras != null && cur.extras.equals(oh.extras)) { 979a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn return oh; 980a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } 981a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn if (cur.title != null && cur.title.equals(oh.title)) { 982a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn return oh; 983a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } 984a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } 985a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } 986a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn return null; 987a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } 988a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn 989a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn /** 990aa904f48cf3e3a31cc43806fee0e17af607c7faeAndrew Stadler * Start a new fragment. 991aa904f48cf3e3a31cc43806fee0e17af607c7faeAndrew Stadler * 992aa904f48cf3e3a31cc43806fee0e17af607c7faeAndrew Stadler * @param fragment The fragment to start 993aa904f48cf3e3a31cc43806fee0e17af607c7faeAndrew Stadler * @param push If true, the current fragment will be pushed onto the back stack. If false, 994aa904f48cf3e3a31cc43806fee0e17af607c7faeAndrew Stadler * the current fragment will be replaced. 995aa904f48cf3e3a31cc43806fee0e17af607c7faeAndrew Stadler */ 996aa904f48cf3e3a31cc43806fee0e17af607c7faeAndrew Stadler public void startPreferenceFragment(Fragment fragment, boolean push) { 997aa904f48cf3e3a31cc43806fee0e17af607c7faeAndrew Stadler FragmentTransaction transaction = getFragmentManager().openTransaction(); 9988eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn transaction.replace(com.android.internal.R.id.prefs, fragment); 999aa904f48cf3e3a31cc43806fee0e17af607c7faeAndrew Stadler if (push) { 10009ff82bf2b33513052500473d0d6d025a80dcecbfChet Haase transaction.setTransition(FragmentTransaction.TRANSIT_FRAGMENT_OPEN); 1001aa904f48cf3e3a31cc43806fee0e17af607c7faeAndrew Stadler transaction.addToBackStack(BACK_STACK_PREFS); 10029ff82bf2b33513052500473d0d6d025a80dcecbfChet Haase } else { 10039ff82bf2b33513052500473d0d6d025a80dcecbfChet Haase transaction.setTransition(FragmentTransaction.TRANSIT_FRAGMENT_NEXT); 1004aa904f48cf3e3a31cc43806fee0e17af607c7faeAndrew Stadler } 1005aa904f48cf3e3a31cc43806fee0e17af607c7faeAndrew Stadler transaction.commit(); 1006aa904f48cf3e3a31cc43806fee0e17af607c7faeAndrew Stadler } 1007aa904f48cf3e3a31cc43806fee0e17af607c7faeAndrew Stadler 1008c6669ca63299219d815464129dac051ab2404286Dianne Hackborn /** 10098eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn * Start a new fragment containing a preference panel. If the prefences 10108eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn * are being displayed in multi-pane mode, the given fragment class will 10118eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn * be instantiated and placed in the appropriate pane. If running in 10128eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn * single-pane mode, a new activity will be launched in which to show the 10138eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn * fragment. 10148eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn * 10158eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn * @param fragmentClass Full name of the class implementing the fragment. 10168eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn * @param args Any desired arguments to supply to the fragment. 10178eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn * @param titleRes Optional resource identifier of the title of this 10188eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn * fragment. 10198eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn * @param titleText Optional text of the title of this fragment. 10208eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn * @param resultTo Optional fragment that result data should be sent to. 10218eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn * If non-null, resultTo.onActivityResult() will be called when this 10228eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn * preference panel is done. The launched panel must use 10238eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn * {@link #finishPreferencePanel(Fragment, int, Intent)} when done. 10248eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn * @param resultRequestCode If resultTo is non-null, this is the caller's 10258eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn * request code to be received with the resut. 1026c6669ca63299219d815464129dac051ab2404286Dianne Hackborn */ 10278eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn public void startPreferencePanel(String fragmentClass, Bundle args, int titleRes, 10288eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn CharSequence titleText, Fragment resultTo, int resultRequestCode) { 10298eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn if (mSinglePane) { 10308eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn startWithFragment(fragmentClass, args, resultTo, resultRequestCode); 10318eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn } else { 10328eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn Fragment f = Fragment.instantiate(this, fragmentClass, args); 10338eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn if (resultTo != null) { 10348eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn f.setTargetFragment(resultTo, resultRequestCode); 10358eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn } 10368eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn FragmentTransaction transaction = getFragmentManager().openTransaction(); 10378eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn transaction.replace(com.android.internal.R.id.prefs, f); 10388eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn if (titleRes != 0) { 10398eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn transaction.setBreadCrumbTitle(titleRes); 10408eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn } else if (titleText != null) { 10418eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn transaction.setBreadCrumbTitle(titleText); 10428eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn } 10438eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn transaction.setTransition(FragmentTransaction.TRANSIT_FRAGMENT_OPEN); 10448eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn transaction.addToBackStack(BACK_STACK_PREFS); 10458eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn transaction.commit(); 10468eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn } 1047c6669ca63299219d815464129dac051ab2404286Dianne Hackborn } 10488eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn 10498eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn /** 10508eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn * Called by a preference panel fragment to finish itself. 10518eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn * 10528eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn * @param caller The fragment that is asking to be finished. 10538eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn * @param resultCode Optional result code to send back to the original 10548eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn * launching fragment. 10558eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn * @param resultData Optional result data to send back to the original 10568eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn * launching fragment. 10578eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn */ 10588eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn public void finishPreferencePanel(Fragment caller, int resultCode, Intent resultData) { 10598eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn if (mSinglePane) { 10608eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn setResult(resultCode, resultData); 10618eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn finish(); 10628eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn } else { 10638eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn if (caller != null) { 10648eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn if (caller.getTargetFragment() != null) { 10658eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn caller.getTargetFragment().onActivityResult(caller.getTargetRequestCode(), 10668eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn resultCode, resultData); 10678eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn } 10688eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn } 10698eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn // XXX be smarter about popping the stack. 10708eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn onBackPressed(); 10718eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn } 10728eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn } 10738eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn 1074b3cf10ffa8ff9cac0da8b23a0d84076b3f501400Dianne Hackborn @Override 1075b3cf10ffa8ff9cac0da8b23a0d84076b3f501400Dianne Hackborn public boolean onPreferenceStartFragment(PreferenceFragment caller, Preference pref) { 10768eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn startPreferencePanel(pref.getFragment(), pref.getExtras(), 0, pref.getTitle(), null, 0); 1077b3cf10ffa8ff9cac0da8b23a0d84076b3f501400Dianne Hackborn return true; 1078b3cf10ffa8ff9cac0da8b23a0d84076b3f501400Dianne Hackborn } 1079b3cf10ffa8ff9cac0da8b23a0d84076b3f501400Dianne Hackborn 10809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 10819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Posts a message to bind the preferences to the list view. 10829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p> 10839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Binding late is preferred as any custom preference types created in 10849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link #onCreate(Bundle)} are able to have their views recycled. 10859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 10869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void postBindPreferences() { 10879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mHandler.hasMessages(MSG_BIND_PREFERENCES)) return; 10889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mHandler.obtainMessage(MSG_BIND_PREFERENCES).sendToTarget(); 10899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 109019ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng 10919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void bindPreferences() { 10929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final PreferenceScreen preferenceScreen = getPreferenceScreen(); 10939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (preferenceScreen != null) { 10949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project preferenceScreen.bind(getListView()); 1095e7fea45863afb10335cb7845aebcf2907d3c3e41Adam Powell if (mSavedInstanceState != null) { 1096e7fea45863afb10335cb7845aebcf2907d3c3e41Adam Powell super.onRestoreInstanceState(mSavedInstanceState); 1097e7fea45863afb10335cb7845aebcf2907d3c3e41Adam Powell mSavedInstanceState = null; 1098e7fea45863afb10335cb7845aebcf2907d3c3e41Adam Powell } 10999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 110119ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng 11029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 11039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the {@link PreferenceManager} used by this activity. 11049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return The {@link PreferenceManager}. 1105b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * 1106b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * @deprecated This function is not relevant for a modern fragment-based 1107b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * PreferenceActivity. 11089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1109b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn @Deprecated 11109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public PreferenceManager getPreferenceManager() { 11119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mPreferenceManager; 11129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 111319ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng 11149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void requirePreferenceManager() { 11159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mPreferenceManager == null) { 1116b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn if (mAdapter == null) { 1117b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn throw new RuntimeException("This should be called after super.onCreate."); 1118b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn } 1119b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn throw new RuntimeException( 1120b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn "Modern two-pane PreferenceActivity requires use of a PreferenceFragment"); 11219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 11259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the root of the preference hierarchy that this activity is showing. 112619ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng * 11279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param preferenceScreen The root {@link PreferenceScreen} of the preference hierarchy. 1128b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * 1129b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * @deprecated This function is not relevant for a modern fragment-based 1130b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * PreferenceActivity. 11319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1132b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn @Deprecated 11339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setPreferenceScreen(PreferenceScreen preferenceScreen) { 1134b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn requirePreferenceManager(); 1135b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 11369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mPreferenceManager.setPreferences(preferenceScreen) && preferenceScreen != null) { 11379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project postBindPreferences(); 11389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project CharSequence title = getPreferenceScreen().getTitle(); 11399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Set the title of the activity 11409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (title != null) { 11419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setTitle(title); 11429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 114519ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng 11469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 11479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Gets the root of the preference hierarchy that this activity is showing. 114819ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng * 11499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return The {@link PreferenceScreen} that is the root of the preference 11509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * hierarchy. 1151b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * 1152b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * @deprecated This function is not relevant for a modern fragment-based 1153b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * PreferenceActivity. 11549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1155b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn @Deprecated 11569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public PreferenceScreen getPreferenceScreen() { 1157b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn if (mPreferenceManager != null) { 1158b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn return mPreferenceManager.getPreferenceScreen(); 1159b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn } 1160b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn return null; 11619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 116219ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng 11639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 11649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Adds preferences from activities that match the given {@link Intent}. 116519ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng * 11669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param intent The {@link Intent} to query activities. 1167b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * 1168b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * @deprecated This function is not relevant for a modern fragment-based 1169b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * PreferenceActivity. 11709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1171b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn @Deprecated 11729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void addPreferencesFromIntent(Intent intent) { 11739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project requirePreferenceManager(); 117419ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng 11759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setPreferenceScreen(mPreferenceManager.inflateFromIntent(intent, getPreferenceScreen())); 11769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 117719ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng 11789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 11799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Inflates the given XML resource and adds the preference hierarchy to the current 11809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * preference hierarchy. 118119ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng * 11829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param preferencesResId The XML resource ID to inflate. 1183b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * 1184b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * @deprecated This function is not relevant for a modern fragment-based 1185b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * PreferenceActivity. 11869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1187b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn @Deprecated 11889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void addPreferencesFromResource(int preferencesResId) { 11899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project requirePreferenceManager(); 119019ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng 11919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setPreferenceScreen(mPreferenceManager.inflateFromResource(this, preferencesResId, 11929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project getPreferenceScreen())); 11939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 11969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@inheritDoc} 1197b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * 1198b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * @deprecated This function is not relevant for a modern fragment-based 1199b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * PreferenceActivity. 12009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1201b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn @Deprecated 12029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean onPreferenceTreeClick(PreferenceScreen preferenceScreen, Preference preference) { 12039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 12049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 120519ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng 12069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 12079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Finds a {@link Preference} based on its key. 120819ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng * 12099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param key The key of the preference to retrieve. 12109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return The {@link Preference} with the key, or null. 12119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see PreferenceGroup#findPreference(CharSequence) 1212b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * 1213b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * @deprecated This function is not relevant for a modern fragment-based 1214b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * PreferenceActivity. 12159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1216b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn @Deprecated 12179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Preference findPreference(CharSequence key) { 121819ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng 12199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mPreferenceManager == null) { 12209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return null; 12219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 122219ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng 12239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mPreferenceManager.findPreference(key); 12249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 12279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void onNewIntent(Intent intent) { 12289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mPreferenceManager != null) { 12299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPreferenceManager.dispatchNewIntent(intent); 12309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 123219ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng 123319ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng // give subclasses access to the Next button 123419ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng /** @hide */ 123519ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng protected boolean hasNextButton() { 123619ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng return mNextButton != null; 123719ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng } 123819ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng /** @hide */ 123919ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng protected Button getNextButton() { 124019ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng return mNextButton; 124119ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng } 12429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1243