PreferenceActivity.java revision f5cbaeda148aa80470d4100d51e3fb3975843ef2
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); 206b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn mAdapter.notifyDataSetChanged(); 2075c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn Header header = onGetNewHeader(); 2085c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn if (header != null && header.fragment != null) { 209a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn Header mappedHeader = findBestMatchingHeader(header, oldHeaders); 210a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn if (mappedHeader == null || mCurHeader != mappedHeader) { 211a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn switchToHeader(header); 212a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } 213a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } else if (mCurHeader != null) { 214a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn Header mappedHeader = findBestMatchingHeader(mCurHeader, mHeaders); 215a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn if (mappedHeader != null) { 216a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn setSelectedHeader(mappedHeader); 217a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } else { 218a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn switchToHeader(null); 219a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } 2205c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn } 221a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } break; 2229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project }; 2259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 226468c3230dafc2d131bdeded7b5a6825988166244Andrew Stadler private static class HeaderAdapter extends ArrayAdapter<Header> { 227468c3230dafc2d131bdeded7b5a6825988166244Andrew Stadler private static class HeaderViewHolder { 228468c3230dafc2d131bdeded7b5a6825988166244Andrew Stadler ImageView icon; 229468c3230dafc2d131bdeded7b5a6825988166244Andrew Stadler TextView title; 230468c3230dafc2d131bdeded7b5a6825988166244Andrew Stadler TextView summary; 231468c3230dafc2d131bdeded7b5a6825988166244Andrew Stadler } 232b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 233b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn private LayoutInflater mInflater; 234b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 235b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn public HeaderAdapter(Context context, List<Header> objects) { 236b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn super(context, 0, objects); 237b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn mInflater = (LayoutInflater)context.getSystemService(Context.LAYOUT_INFLATER_SERVICE); 238b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn } 239b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 240b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn @Override 241b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn public View getView(int position, View convertView, ViewGroup parent) { 242b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn HeaderViewHolder holder; 243b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn View view; 244b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 245b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn if (convertView == null) { 246d0fa371f276fde32d81c037006941bc93da0bb03Dianne Hackborn view = mInflater.inflate(com.android.internal.R.layout.preference_header_item, 247b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn parent, false); 248b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn holder = new HeaderViewHolder(); 249468c3230dafc2d131bdeded7b5a6825988166244Andrew Stadler holder.icon = (ImageView) view.findViewById(com.android.internal.R.id.icon); 250468c3230dafc2d131bdeded7b5a6825988166244Andrew Stadler holder.title = (TextView) view.findViewById(com.android.internal.R.id.title); 251468c3230dafc2d131bdeded7b5a6825988166244Andrew Stadler holder.summary = (TextView) view.findViewById(com.android.internal.R.id.summary); 252b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn view.setTag(holder); 253b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn } else { 254b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn view = convertView; 255468c3230dafc2d131bdeded7b5a6825988166244Andrew Stadler holder = (HeaderViewHolder) view.getTag(); 256b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn } 257b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 258468c3230dafc2d131bdeded7b5a6825988166244Andrew Stadler // All view fields must be updated every time, because the view may be recycled 259b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn Header header = getItem(position); 260a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn holder.icon.setImageResource(header.iconRes); 261468c3230dafc2d131bdeded7b5a6825988166244Andrew Stadler holder.title.setText(header.title); 262468c3230dafc2d131bdeded7b5a6825988166244Andrew Stadler if (TextUtils.isEmpty(header.summary)) { 263468c3230dafc2d131bdeded7b5a6825988166244Andrew Stadler holder.summary.setVisibility(View.GONE); 264468c3230dafc2d131bdeded7b5a6825988166244Andrew Stadler } else { 265468c3230dafc2d131bdeded7b5a6825988166244Andrew Stadler holder.summary.setVisibility(View.VISIBLE); 266468c3230dafc2d131bdeded7b5a6825988166244Andrew Stadler holder.summary.setText(header.summary); 267468c3230dafc2d131bdeded7b5a6825988166244Andrew Stadler } 268b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 269b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn return view; 270b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn } 271b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn } 272b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 273b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn /** 274a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn * Default value for {@link Header#id Header.id} indicating that no 275a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn * identifier value is set. All other values (including those below -1) 276a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn * are valid. 277a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn */ 278a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn public static final long HEADER_ID_UNDEFINED = -1; 279a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn 280a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn /** 281b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * Description of a single Header item that the user can select. 282b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn */ 283a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn public static final class Header implements Parcelable { 284a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn /** 285a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn * Identifier for this header, to correlate with a new list when 286a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn * it is updated. The default value is 287a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn * {@link PreferenceActivity#HEADER_ID_UNDEFINED}, meaning no id. 288a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn * @attr ref android.R.styleable#PreferenceHeader_id 289a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn */ 290a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn public long id = HEADER_ID_UNDEFINED; 291a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn 292b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn /** 293b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * Title of the header that is shown to the user. 294b3cf10ffa8ff9cac0da8b23a0d84076b3f501400Dianne Hackborn * @attr ref android.R.styleable#PreferenceHeader_title 295b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn */ 296468c3230dafc2d131bdeded7b5a6825988166244Andrew Stadler public CharSequence title; 297b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 298b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn /** 299b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * Optional summary describing what this header controls. 300b3cf10ffa8ff9cac0da8b23a0d84076b3f501400Dianne Hackborn * @attr ref android.R.styleable#PreferenceHeader_summary 301b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn */ 302468c3230dafc2d131bdeded7b5a6825988166244Andrew Stadler public CharSequence summary; 303b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 304b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn /** 305c6669ca63299219d815464129dac051ab2404286Dianne Hackborn * Optional text to show as the title in the bread crumb. 306c6669ca63299219d815464129dac051ab2404286Dianne Hackborn * @attr ref android.R.styleable#PreferenceHeader_breadCrumbTitle 307c6669ca63299219d815464129dac051ab2404286Dianne Hackborn */ 308c6669ca63299219d815464129dac051ab2404286Dianne Hackborn public CharSequence breadCrumbTitle; 309c6669ca63299219d815464129dac051ab2404286Dianne Hackborn 310c6669ca63299219d815464129dac051ab2404286Dianne Hackborn /** 311c6669ca63299219d815464129dac051ab2404286Dianne Hackborn * Optional text to show as the short title in the bread crumb. 312c6669ca63299219d815464129dac051ab2404286Dianne Hackborn * @attr ref android.R.styleable#PreferenceHeader_breadCrumbShortTitle 313c6669ca63299219d815464129dac051ab2404286Dianne Hackborn */ 314c6669ca63299219d815464129dac051ab2404286Dianne Hackborn public CharSequence breadCrumbShortTitle; 315c6669ca63299219d815464129dac051ab2404286Dianne Hackborn 316c6669ca63299219d815464129dac051ab2404286Dianne Hackborn /** 317b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * Optional icon resource to show for this header. 318b3cf10ffa8ff9cac0da8b23a0d84076b3f501400Dianne Hackborn * @attr ref android.R.styleable#PreferenceHeader_icon 319b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn */ 320468c3230dafc2d131bdeded7b5a6825988166244Andrew Stadler public int iconRes; 321b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 322b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn /** 323b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * Full class name of the fragment to display when this header is 324b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * selected. 325b3cf10ffa8ff9cac0da8b23a0d84076b3f501400Dianne Hackborn * @attr ref android.R.styleable#PreferenceHeader_fragment 326b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn */ 327468c3230dafc2d131bdeded7b5a6825988166244Andrew Stadler public String fragment; 328b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn 329b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn /** 330b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn * Optional arguments to supply to the fragment when it is 331b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn * instantiated. 332b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn */ 333468c3230dafc2d131bdeded7b5a6825988166244Andrew Stadler public Bundle fragmentArguments; 3345c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn 3355c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn /** 3365c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn * Intent to launch when the preference is selected. 3375c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn */ 3385c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn public Intent intent; 339a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn 340a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn /** 341a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn * Optional additional data for use by subclasses of PreferenceActivity. 342a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn */ 343a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn public Bundle extras; 344a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn 345a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn public Header() { 346a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } 347a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn 348a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn @Override 349a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn public int describeContents() { 350a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn return 0; 351a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } 352a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn 353a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn @Override 354a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn public void writeToParcel(Parcel dest, int flags) { 355a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn dest.writeLong(id); 356a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn TextUtils.writeToParcel(title, dest, flags); 357a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn TextUtils.writeToParcel(summary, dest, flags); 358c6669ca63299219d815464129dac051ab2404286Dianne Hackborn TextUtils.writeToParcel(breadCrumbTitle, dest, flags); 359c6669ca63299219d815464129dac051ab2404286Dianne Hackborn TextUtils.writeToParcel(breadCrumbShortTitle, dest, flags); 360a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn dest.writeInt(iconRes); 361a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn dest.writeString(fragment); 362a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn dest.writeBundle(fragmentArguments); 363a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn if (intent != null) { 364a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn dest.writeInt(1); 365a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn intent.writeToParcel(dest, flags); 366a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } else { 367a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn dest.writeInt(0); 368a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } 369a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn dest.writeBundle(extras); 370a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } 371a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn 372a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn public void readFromParcel(Parcel in) { 373a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn id = in.readLong(); 374a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn title = TextUtils.CHAR_SEQUENCE_CREATOR.createFromParcel(in); 375a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn summary = TextUtils.CHAR_SEQUENCE_CREATOR.createFromParcel(in); 376c6669ca63299219d815464129dac051ab2404286Dianne Hackborn breadCrumbTitle = TextUtils.CHAR_SEQUENCE_CREATOR.createFromParcel(in); 377c6669ca63299219d815464129dac051ab2404286Dianne Hackborn breadCrumbShortTitle = TextUtils.CHAR_SEQUENCE_CREATOR.createFromParcel(in); 378a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn iconRes = in.readInt(); 379a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn fragment = in.readString(); 380a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn fragmentArguments = in.readBundle(); 381a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn if (in.readInt() != 0) { 382a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn intent = Intent.CREATOR.createFromParcel(in); 383a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } 384a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn extras = in.readBundle(); 385a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } 386a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn 387a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn Header(Parcel in) { 388a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn readFromParcel(in); 389a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } 390a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn 391a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn public static final Creator<Header> CREATOR = new Creator<Header>() { 392a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn public Header createFromParcel(Parcel source) { 393a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn return new Header(source); 394a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } 395a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn public Header[] newArray(int size) { 396a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn return new Header[size]; 397a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } 398a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn }; 399b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn } 400b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 4019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 4029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void onCreate(Bundle savedInstanceState) { 4039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.onCreate(savedInstanceState); 4049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setContentView(com.android.internal.R.layout.preference_list_content); 40619ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng 4075c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn mListFooter = (FrameLayout)findViewById(com.android.internal.R.id.list_footer); 408b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn mPrefsContainer = findViewById(com.android.internal.R.id.prefs); 409b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn boolean hidingHeaders = onIsHidingHeaders(); 410b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn mSinglePane = hidingHeaders || !onIsMultiPane(); 411b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn String initialFragment = getIntent().getStringExtra(EXTRA_SHOW_FRAGMENT); 412b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn Bundle initialArguments = getIntent().getBundleExtra(EXTRA_SHOW_FRAGMENT_ARGUMENTS); 413b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 414a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn if (savedInstanceState != null) { 415a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn // We are restarting from a previous saved state; used that to 416a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn // initialize, instead of starting fresh. 417a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn ArrayList<Header> headers = savedInstanceState.getParcelableArrayList(HEADERS_TAG); 418a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn if (headers != null) { 419a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn mHeaders.addAll(headers); 420a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn int curHeader = savedInstanceState.getInt(CUR_HEADER_TAG, 421a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn (int)HEADER_ID_UNDEFINED); 422a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn if (curHeader >= 0 && curHeader < mHeaders.size()) { 423a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn setSelectedHeader(mHeaders.get(curHeader)); 424a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } 425a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } 426b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 427b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn } else { 428a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn if (initialFragment != null && mSinglePane) { 429a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn // If we are just showing a fragment, we want to run in 430a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn // new fragment mode, but don't need to compute and show 431a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn // the headers. 432a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn switchToHeader(initialFragment, initialArguments); 433a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn 434a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } else { 435a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn // We need to try to build the headers. 436a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn onBuildHeaders(mHeaders); 437a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn 438a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn // If there are headers, then at this point we need to show 439a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn // them and, depending on the screen, we may also show in-line 440a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn // the currently selected preference fragment. 441a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn if (mHeaders.size() > 0) { 442a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn if (!mSinglePane) { 443a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn if (initialFragment == null) { 444a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn Header h = onGetInitialHeader(); 445a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn switchToHeader(h); 446a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } else { 447a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn switchToHeader(initialFragment, initialArguments); 448a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } 449b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn } 450b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn } 451a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } 452a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } 453b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 454a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn // The default configuration is to only show the list view. Adjust 455a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn // visibility for other configurations. 456a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn if (initialFragment != null && mSinglePane) { 457a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn // Single pane, showing just a prefs fragment. 45805fbc31ed9c6ac13a7aeddc176f19a5c17217e30Amith Yamasani findViewById(com.android.internal.R.id.headers).setVisibility(View.GONE); 459a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn mPrefsContainer.setVisibility(View.VISIBLE); 460a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } else if (mHeaders.size() > 0) { 461a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn mAdapter = new HeaderAdapter(this, mHeaders); 462a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn setListAdapter(mAdapter); 463a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn if (!mSinglePane) { 464a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn // Multi-pane. 465a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn getListView().setChoiceMode(AbsListView.CHOICE_MODE_SINGLE); 466d0fa371f276fde32d81c037006941bc93da0bb03Dianne Hackborn if (mCurHeader != null) { 467d0fa371f276fde32d81c037006941bc93da0bb03Dianne Hackborn setSelectedHeader(mCurHeader); 468d0fa371f276fde32d81c037006941bc93da0bb03Dianne Hackborn } 469a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn mPrefsContainer.setVisibility(View.VISIBLE); 470a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } 471a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } else { 472b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn // If there are no headers, we are in the old "just show a screen 473b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn // of preferences" mode. 474a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn mPreferenceManager = new PreferenceManager(this, FIRST_REQUEST_CODE); 475a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn mPreferenceManager.setOnPreferenceTreeClickListener(this); 476b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn } 477b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 478b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn getListView().setScrollBarStyle(View.SCROLLBARS_INSIDE_OVERLAY); 479b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 48019ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng // see if we should show Back/Next buttons 48119ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng Intent intent = getIntent(); 48219ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng if (intent.getBooleanExtra(EXTRA_PREFS_SHOW_BUTTON_BAR, false)) { 48319ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng 48419ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng findViewById(com.android.internal.R.id.button_bar).setVisibility(View.VISIBLE); 48519ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng 48619ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng Button backButton = (Button)findViewById(com.android.internal.R.id.back_button); 48719ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng backButton.setOnClickListener(new OnClickListener() { 48819ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng public void onClick(View v) { 48919ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng setResult(RESULT_CANCELED); 49019ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng finish(); 49119ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng } 49219ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng }); 49309dbf1844016682ed461d080e32a43d0086e767dFreeman Ng Button skipButton = (Button)findViewById(com.android.internal.R.id.skip_button); 49409dbf1844016682ed461d080e32a43d0086e767dFreeman Ng skipButton.setOnClickListener(new OnClickListener() { 49509dbf1844016682ed461d080e32a43d0086e767dFreeman Ng public void onClick(View v) { 49609dbf1844016682ed461d080e32a43d0086e767dFreeman Ng setResult(RESULT_OK); 49709dbf1844016682ed461d080e32a43d0086e767dFreeman Ng finish(); 49809dbf1844016682ed461d080e32a43d0086e767dFreeman Ng } 49909dbf1844016682ed461d080e32a43d0086e767dFreeman Ng }); 50019ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng mNextButton = (Button)findViewById(com.android.internal.R.id.next_button); 50119ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng mNextButton.setOnClickListener(new OnClickListener() { 50219ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng public void onClick(View v) { 50319ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng setResult(RESULT_OK); 50419ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng finish(); 50519ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng } 50619ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng }); 50719ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng 50819ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng // set our various button parameters 50919ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng if (intent.hasExtra(EXTRA_PREFS_SET_NEXT_TEXT)) { 51019ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng String buttonText = intent.getStringExtra(EXTRA_PREFS_SET_NEXT_TEXT); 51119ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng if (TextUtils.isEmpty(buttonText)) { 51219ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng mNextButton.setVisibility(View.GONE); 51319ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng } 51419ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng else { 51519ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng mNextButton.setText(buttonText); 51619ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng } 51719ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng } 51819ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng if (intent.hasExtra(EXTRA_PREFS_SET_BACK_TEXT)) { 51919ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng String buttonText = intent.getStringExtra(EXTRA_PREFS_SET_BACK_TEXT); 52019ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng if (TextUtils.isEmpty(buttonText)) { 52119ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng backButton.setVisibility(View.GONE); 52219ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng } 52319ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng else { 52419ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng backButton.setText(buttonText); 52519ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng } 52619ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng } 52709dbf1844016682ed461d080e32a43d0086e767dFreeman Ng if (intent.getBooleanExtra(EXTRA_PREFS_SHOW_SKIP, false)) { 52809dbf1844016682ed461d080e32a43d0086e767dFreeman Ng skipButton.setVisibility(View.VISIBLE); 52909dbf1844016682ed461d080e32a43d0086e767dFreeman Ng } 53019ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng } 531b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn } 532b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 533b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn /** 534291905e34a7f0ae03c68fb2c1b8c34b92d447fbfDianne Hackborn * Returns true if this activity is currently showing the header list. 535291905e34a7f0ae03c68fb2c1b8c34b92d447fbfDianne Hackborn */ 536291905e34a7f0ae03c68fb2c1b8c34b92d447fbfDianne Hackborn public boolean hasHeaders() { 537291905e34a7f0ae03c68fb2c1b8c34b92d447fbfDianne Hackborn return getListView().getVisibility() == View.VISIBLE 538291905e34a7f0ae03c68fb2c1b8c34b92d447fbfDianne Hackborn && mPreferenceManager == null; 539291905e34a7f0ae03c68fb2c1b8c34b92d447fbfDianne Hackborn } 540291905e34a7f0ae03c68fb2c1b8c34b92d447fbfDianne Hackborn 541291905e34a7f0ae03c68fb2c1b8c34b92d447fbfDianne Hackborn /** 542291905e34a7f0ae03c68fb2c1b8c34b92d447fbfDianne Hackborn * Returns true if this activity is showing multiple panes -- the headers 543291905e34a7f0ae03c68fb2c1b8c34b92d447fbfDianne Hackborn * and a preference fragment. 544291905e34a7f0ae03c68fb2c1b8c34b92d447fbfDianne Hackborn */ 545291905e34a7f0ae03c68fb2c1b8c34b92d447fbfDianne Hackborn public boolean isMultiPane() { 546291905e34a7f0ae03c68fb2c1b8c34b92d447fbfDianne Hackborn return hasHeaders() && mPrefsContainer.getVisibility() == View.VISIBLE; 547291905e34a7f0ae03c68fb2c1b8c34b92d447fbfDianne Hackborn } 548291905e34a7f0ae03c68fb2c1b8c34b92d447fbfDianne Hackborn 549291905e34a7f0ae03c68fb2c1b8c34b92d447fbfDianne Hackborn /** 550b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * Called to determine if the activity should run in multi-pane mode. 551b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * The default implementation returns true if the screen is large 552b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * enough. 553b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn */ 554b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn public boolean onIsMultiPane() { 555b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn Configuration config = getResources().getConfiguration(); 556b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn if ((config.screenLayout&Configuration.SCREENLAYOUT_SIZE_MASK) 557c6669ca63299219d815464129dac051ab2404286Dianne Hackborn == Configuration.SCREENLAYOUT_SIZE_XLARGE) { 558c6669ca63299219d815464129dac051ab2404286Dianne Hackborn return true; 559c6669ca63299219d815464129dac051ab2404286Dianne Hackborn } 560c6669ca63299219d815464129dac051ab2404286Dianne Hackborn if ((config.screenLayout&Configuration.SCREENLAYOUT_SIZE_MASK) 561c6669ca63299219d815464129dac051ab2404286Dianne Hackborn == Configuration.SCREENLAYOUT_SIZE_LARGE 562b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn && config.orientation == Configuration.ORIENTATION_LANDSCAPE) { 563b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn return true; 564b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn } 565b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn return false; 566b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn } 567b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 568b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn /** 569291905e34a7f0ae03c68fb2c1b8c34b92d447fbfDianne Hackborn * Called to determine whether the header list should be hidden. 570291905e34a7f0ae03c68fb2c1b8c34b92d447fbfDianne Hackborn * The default implementation returns the 571291905e34a7f0ae03c68fb2c1b8c34b92d447fbfDianne Hackborn * value given in {@link #EXTRA_NO_HEADERS} or false if it is not supplied. 572291905e34a7f0ae03c68fb2c1b8c34b92d447fbfDianne Hackborn * This is set to false, for example, when the activity is being re-launched 573291905e34a7f0ae03c68fb2c1b8c34b92d447fbfDianne Hackborn * to show a particular preference activity. 574b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn */ 575b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn public boolean onIsHidingHeaders() { 576b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn return getIntent().getBooleanExtra(EXTRA_NO_HEADERS, false); 577b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn } 578b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 579b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn /** 580b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn * Called to determine the initial header to be shown. The default 581b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn * implementation simply returns the fragment of the first header. Note 582b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn * that the returned Header object does not actually need to exist in 583b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn * your header list -- whatever its fragment is will simply be used to 584b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn * show for the initial UI. 585b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn */ 586b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn public Header onGetInitialHeader() { 587b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn return mHeaders.get(0); 588b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn } 589b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 590b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn /** 5915c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn * Called after the header list has been updated ({@link #onBuildHeaders} 5925c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn * has been called and returned due to {@link #invalidateHeaders()}) to 5935c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn * specify the header that should now be selected. The default implementation 5945c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn * returns null to keep whatever header is currently selected. 5955c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn */ 5965c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn public Header onGetNewHeader() { 5975c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn return null; 5985c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn } 5995c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn 6005c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn /** 601b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * Called when the activity needs its list of headers build. By 602b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * implementing this and adding at least one item to the list, you 603b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * will cause the activity to run in its modern fragment mode. Note 604b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * that this function may not always be called; for example, if the 605b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * activity has been asked to display a particular fragment without 606b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * the header list, there is no need to build the headers. 607b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * 608b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * <p>Typical implementations will use {@link #loadHeadersFromResource} 609b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * to fill in the list from a resource. 610b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * 611b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * @param target The list in which to place the headers. 612b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn */ 613b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn public void onBuildHeaders(List<Header> target) { 614b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn } 615b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 616b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn /** 617b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn * Call when you need to change the headers being displayed. Will result 618b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn * in onBuildHeaders() later being called to retrieve the new list. 619b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn */ 620b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn public void invalidateHeaders() { 621b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn if (!mHandler.hasMessages(MSG_BUILD_HEADERS)) { 622b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn mHandler.sendEmptyMessage(MSG_BUILD_HEADERS); 623b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn } 624b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn } 625b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn 626b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn /** 627b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * Parse the given XML file as a header description, adding each 628b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * parsed Header into the target list. 629b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * 630b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * @param resid The XML resource to load and parse. 631b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * @param target The list in which the parsed headers should be placed. 632b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn */ 633b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn public void loadHeadersFromResource(int resid, List<Header> target) { 634b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn XmlResourceParser parser = null; 635b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn try { 636b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn parser = getResources().getXml(resid); 637b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn AttributeSet attrs = Xml.asAttributeSet(parser); 638b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 639b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn int type; 640b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn while ((type=parser.next()) != XmlPullParser.END_DOCUMENT 641b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn && type != XmlPullParser.START_TAG) { 642b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn } 643b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 644b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn String nodeName = parser.getName(); 645def1537e9e8d0dd190cde5310ddae8b921088c9bDianne Hackborn if (!"preference-headers".equals(nodeName)) { 646b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn throw new RuntimeException( 647def1537e9e8d0dd190cde5310ddae8b921088c9bDianne Hackborn "XML document must start with <preference-headers> tag; found" 648b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn + nodeName + " at " + parser.getPositionDescription()); 649b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn } 650b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 651def1537e9e8d0dd190cde5310ddae8b921088c9bDianne Hackborn Bundle curBundle = null; 652def1537e9e8d0dd190cde5310ddae8b921088c9bDianne Hackborn 6535c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn final int outerDepth = parser.getDepth(); 654b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn while ((type=parser.next()) != XmlPullParser.END_DOCUMENT 655b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { 656b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { 657b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn continue; 658b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn } 659b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 660b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn nodeName = parser.getName(); 661def1537e9e8d0dd190cde5310ddae8b921088c9bDianne Hackborn if ("header".equals(nodeName)) { 662b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn Header header = new Header(); 663b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 664b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn TypedArray sa = getResources().obtainAttributes(attrs, 665b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn com.android.internal.R.styleable.PreferenceHeader); 666ed13cde1de86933f64285fa34e3a3aca80994859Amith Yamasani header.id = sa.getResourceId( 667a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn com.android.internal.R.styleable.PreferenceHeader_id, 668a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn (int)HEADER_ID_UNDEFINED); 669b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn header.title = sa.getText( 670b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn com.android.internal.R.styleable.PreferenceHeader_title); 671b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn header.summary = sa.getText( 672b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn com.android.internal.R.styleable.PreferenceHeader_summary); 673c6669ca63299219d815464129dac051ab2404286Dianne Hackborn header.breadCrumbTitle = sa.getText( 674c6669ca63299219d815464129dac051ab2404286Dianne Hackborn com.android.internal.R.styleable.PreferenceHeader_breadCrumbTitle); 675c6669ca63299219d815464129dac051ab2404286Dianne Hackborn header.breadCrumbShortTitle = sa.getText( 676c6669ca63299219d815464129dac051ab2404286Dianne Hackborn com.android.internal.R.styleable.PreferenceHeader_breadCrumbShortTitle); 677b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn header.iconRes = sa.getResourceId( 678b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn com.android.internal.R.styleable.PreferenceHeader_icon, 0); 679b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn header.fragment = sa.getString( 680b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn com.android.internal.R.styleable.PreferenceHeader_fragment); 681b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn sa.recycle(); 682b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 683def1537e9e8d0dd190cde5310ddae8b921088c9bDianne Hackborn if (curBundle == null) { 684def1537e9e8d0dd190cde5310ddae8b921088c9bDianne Hackborn curBundle = new Bundle(); 685def1537e9e8d0dd190cde5310ddae8b921088c9bDianne Hackborn } 6865c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn 6875c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn final int innerDepth = parser.getDepth(); 6885c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn while ((type=parser.next()) != XmlPullParser.END_DOCUMENT 6895c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn && (type != XmlPullParser.END_TAG || parser.getDepth() > innerDepth)) { 6905c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { 6915c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn continue; 6925c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn } 6935c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn 6945c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn String innerNodeName = parser.getName(); 6955c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn if (innerNodeName.equals("extra")) { 6965c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn getResources().parseBundleExtra("extra", attrs, curBundle); 6975c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn XmlUtils.skipCurrentTag(parser); 6985c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn 6995c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn } else if (innerNodeName.equals("intent")) { 7005c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn header.intent = Intent.parseIntent(getResources(), parser, attrs); 7015c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn 7025c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn } else { 7035c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn XmlUtils.skipCurrentTag(parser); 7045c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn } 7055c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn } 7065c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn 707def1537e9e8d0dd190cde5310ddae8b921088c9bDianne Hackborn if (curBundle.size() > 0) { 708def1537e9e8d0dd190cde5310ddae8b921088c9bDianne Hackborn header.fragmentArguments = curBundle; 709def1537e9e8d0dd190cde5310ddae8b921088c9bDianne Hackborn curBundle = null; 710def1537e9e8d0dd190cde5310ddae8b921088c9bDianne Hackborn } 711b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 712def1537e9e8d0dd190cde5310ddae8b921088c9bDianne Hackborn target.add(header); 713b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn } else { 714b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn XmlUtils.skipCurrentTag(parser); 715b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn } 716b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn } 717b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 718b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn } catch (XmlPullParserException e) { 719b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn throw new RuntimeException("Error parsing headers", e); 720b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn } catch (IOException e) { 721b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn throw new RuntimeException("Error parsing headers", e); 722b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn } finally { 723b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn if (parser != null) parser.close(); 724b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn } 72519ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng 7269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7285c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn /** 7295c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn * Set a footer that should be shown at the bottom of the header list. 7305c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn */ 7315c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn public void setListFooter(View view) { 7325c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn mListFooter.removeAllViews(); 7335c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn mListFooter.addView(view, new FrameLayout.LayoutParams( 7345c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn FrameLayout.LayoutParams.MATCH_PARENT, 7355c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn FrameLayout.LayoutParams.WRAP_CONTENT)); 7365c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn } 7375c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn 7389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 7399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void onStop() { 7409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.onStop(); 74119ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng 742b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn if (mPreferenceManager != null) { 743b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn mPreferenceManager.dispatchActivityStop(); 744b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn } 7459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 7489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void onDestroy() { 7499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.onDestroy(); 750b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 751b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn if (mPreferenceManager != null) { 752b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn mPreferenceManager.dispatchActivityDestroy(); 753b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn } 7549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 7579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void onSaveInstanceState(Bundle outState) { 7589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.onSaveInstanceState(outState); 7599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 760a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn if (mHeaders.size() > 0) { 761a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn outState.putParcelableArrayList(HEADERS_TAG, mHeaders); 762a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn if (mCurHeader != null) { 763a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn int index = mHeaders.indexOf(mCurHeader); 764a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn if (index >= 0) { 765a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn outState.putInt(CUR_HEADER_TAG, index); 766a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } 767a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } 768a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } 769a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn 770b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn if (mPreferenceManager != null) { 771b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn final PreferenceScreen preferenceScreen = getPreferenceScreen(); 772b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn if (preferenceScreen != null) { 773b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn Bundle container = new Bundle(); 774b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn preferenceScreen.saveHierarchyState(container); 775b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn outState.putBundle(PREFERENCES_TAG, container); 776b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn } 7779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 7819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void onRestoreInstanceState(Bundle state) { 782b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn if (mPreferenceManager != null) { 783b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn Bundle container = state.getBundle(PREFERENCES_TAG); 784b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn if (container != null) { 785b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn final PreferenceScreen preferenceScreen = getPreferenceScreen(); 786b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn if (preferenceScreen != null) { 787b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn preferenceScreen.restoreHierarchyState(container); 788b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn mSavedInstanceState = state; 789b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn return; 790b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn } 7919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 793e7fea45863afb10335cb7845aebcf2907d3c3e41Adam Powell 794e7fea45863afb10335cb7845aebcf2907d3c3e41Adam Powell // Only call this if we didn't save the instance state for later. 795e7fea45863afb10335cb7845aebcf2907d3c3e41Adam Powell // If we did save it, it will be restored when we bind the adapter. 796e7fea45863afb10335cb7845aebcf2907d3c3e41Adam Powell super.onRestoreInstanceState(state); 7979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 8009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void onActivityResult(int requestCode, int resultCode, Intent data) { 8019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.onActivityResult(requestCode, resultCode, data); 80219ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng 803b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn if (mPreferenceManager != null) { 804b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn mPreferenceManager.dispatchActivityResult(requestCode, resultCode, data); 805b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn } 8069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 8099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void onContentChanged() { 8109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.onContentChanged(); 811b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 812b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn if (mPreferenceManager != null) { 813b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn postBindPreferences(); 814b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn } 815b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn } 816b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 817b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn @Override 818b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn protected void onListItemClick(ListView l, View v, int position, long id) { 819b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn super.onListItemClick(l, v, position, id); 820b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 821b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn if (mAdapter != null) { 822b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn onHeaderClick(mHeaders.get(position), position); 823b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn } 824b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn } 825b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 826b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn /** 827b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * Called when the user selects an item in the header list. The default 82872dc780f57b4396b808032d592c41d35644a3277Jean-Baptiste Queru * implementation will call either {@link #startWithFragment(String, Bundle)} 829a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn * or {@link #switchToHeader(Header)} as appropriate. 830b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * 831b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * @param header The header that was selected. 832b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * @param position The header's position in the list. 833b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn */ 834b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn public void onHeaderClick(Header header, int position) { 8355c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn if (header.fragment != null) { 8365c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn if (mSinglePane) { 8375c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn startWithFragment(header.fragment, header.fragmentArguments); 8385c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn } else { 839a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn switchToHeader(header); 8405c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn } 8415c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn } else if (header.intent != null) { 8425c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn startActivity(header.intent); 843b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn } 844b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn } 845b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 846b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn /** 847b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * Start a new instance of this activity, showing only the given 848b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * preference fragment. When launched in this mode, the header list 849b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * will be hidden and the given preference fragment will be instantiated 850b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * and fill the entire activity. 851b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * 852b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * @param fragmentName The name of the fragment to display. 853b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn * @param args Optional arguments to supply to the fragment. 854b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn */ 855b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn public void startWithFragment(String fragmentName, Bundle args) { 856b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn Intent intent = new Intent(Intent.ACTION_MAIN); 857b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn intent.setClass(this, getClass()); 858b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn intent.putExtra(EXTRA_SHOW_FRAGMENT, fragmentName); 859b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn intent.putExtra(EXTRA_SHOW_FRAGMENT_ARGUMENTS, args); 860b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn intent.putExtra(EXTRA_NO_HEADERS, true); 861b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn startActivity(intent); 862b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn } 863b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 864c6669ca63299219d815464129dac051ab2404286Dianne Hackborn /** 865c6669ca63299219d815464129dac051ab2404286Dianne Hackborn * Change the base title of the bread crumbs for the current preferences. 866c6669ca63299219d815464129dac051ab2404286Dianne Hackborn * This will normally be called for you. See 867c6669ca63299219d815464129dac051ab2404286Dianne Hackborn * {@link android.app.FragmentBreadCrumbs} for more information. 868c6669ca63299219d815464129dac051ab2404286Dianne Hackborn */ 869c6669ca63299219d815464129dac051ab2404286Dianne Hackborn public void showBreadCrumbs(CharSequence title, CharSequence shortTitle) { 870c6669ca63299219d815464129dac051ab2404286Dianne Hackborn if (mFragmentBreadCrumbs == null) { 871c6669ca63299219d815464129dac051ab2404286Dianne Hackborn mFragmentBreadCrumbs = new FragmentBreadCrumbs(this); 872c6669ca63299219d815464129dac051ab2404286Dianne Hackborn mFragmentBreadCrumbs.setActivity(this); 873c6669ca63299219d815464129dac051ab2404286Dianne Hackborn getActionBar().setCustomNavigationMode(mFragmentBreadCrumbs); 874c6669ca63299219d815464129dac051ab2404286Dianne Hackborn } 875c6669ca63299219d815464129dac051ab2404286Dianne Hackborn mFragmentBreadCrumbs.setTitle(title, shortTitle); 876c6669ca63299219d815464129dac051ab2404286Dianne Hackborn } 877c6669ca63299219d815464129dac051ab2404286Dianne Hackborn 878a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn void setSelectedHeader(Header header) { 879a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn mCurHeader = header; 880a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn int index = mHeaders.indexOf(header); 881a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn if (index >= 0) { 882a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn getListView().setItemChecked(index, true); 883a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } else { 884a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn getListView().clearChoices(); 885a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } 886c6669ca63299219d815464129dac051ab2404286Dianne Hackborn if (header != null) { 887c6669ca63299219d815464129dac051ab2404286Dianne Hackborn CharSequence title = header.breadCrumbTitle; 888c6669ca63299219d815464129dac051ab2404286Dianne Hackborn if (title == null) title = header.title; 889c6669ca63299219d815464129dac051ab2404286Dianne Hackborn if (title == null) title = getTitle(); 890c6669ca63299219d815464129dac051ab2404286Dianne Hackborn showBreadCrumbs(title, header.breadCrumbShortTitle); 891c6669ca63299219d815464129dac051ab2404286Dianne Hackborn } else { 892c6669ca63299219d815464129dac051ab2404286Dianne Hackborn showBreadCrumbs(getTitle(), null); 893c6669ca63299219d815464129dac051ab2404286Dianne Hackborn } 894c6669ca63299219d815464129dac051ab2404286Dianne Hackborn } 895c6669ca63299219d815464129dac051ab2404286Dianne Hackborn 896f5cbaeda148aa80470d4100d51e3fb3975843ef2Amith Yamasani private void switchToHeaderInner(String fragmentName, Bundle args, int direction) { 897c6669ca63299219d815464129dac051ab2404286Dianne Hackborn getFragmentManager().popBackStack(BACK_STACK_PREFS, POP_BACK_STACK_INCLUSIVE); 898c6669ca63299219d815464129dac051ab2404286Dianne Hackborn Fragment f = Fragment.instantiate(this, fragmentName, args); 8999ff82bf2b33513052500473d0d6d025a80dcecbfChet Haase FragmentTransaction transaction = getFragmentManager().openTransaction(); 900f5cbaeda148aa80470d4100d51e3fb3975843ef2Amith Yamasani transaction.setTransition(direction == 0 ? FragmentTransaction.TRANSIT_NONE 901f5cbaeda148aa80470d4100d51e3fb3975843ef2Amith Yamasani : direction > 0 ? FragmentTransaction.TRANSIT_FRAGMENT_NEXT 902f5cbaeda148aa80470d4100d51e3fb3975843ef2Amith Yamasani : FragmentTransaction.TRANSIT_FRAGMENT_PREV); 9039ff82bf2b33513052500473d0d6d025a80dcecbfChet Haase transaction.replace(com.android.internal.R.id.prefs, f); 9049ff82bf2b33513052500473d0d6d025a80dcecbfChet Haase transaction.commit(); 905a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } 906a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn 907b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn /** 908b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * When in two-pane mode, switch the fragment pane to show the given 909b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * preference fragment. 910b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * 911b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * @param fragmentName The name of the fragment to display. 912b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn * @param args Optional arguments to supply to the fragment. 913b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn */ 914b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn public void switchToHeader(String fragmentName, Bundle args) { 915a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn setSelectedHeader(null); 916f5cbaeda148aa80470d4100d51e3fb3975843ef2Amith Yamasani switchToHeaderInner(fragmentName, args, 0); 9179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 919aa904f48cf3e3a31cc43806fee0e17af607c7faeAndrew Stadler /** 920a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn * When in two-pane mode, switch to the fragment pane to show the given 921a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn * preference fragment. 922a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn * 923a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn * @param header The new header to display. 924a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn */ 925a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn public void switchToHeader(Header header) { 926f5cbaeda148aa80470d4100d51e3fb3975843ef2Amith Yamasani int direction = mHeaders.indexOf(header) - mHeaders.indexOf(mCurHeader); 927f5cbaeda148aa80470d4100d51e3fb3975843ef2Amith Yamasani switchToHeaderInner(header.fragment, header.fragmentArguments, direction); 928a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn setSelectedHeader(header); 929a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } 930a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn 931a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn Header findBestMatchingHeader(Header cur, ArrayList<Header> from) { 932a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn ArrayList<Header> matches = new ArrayList<Header>(); 933a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn for (int j=0; j<from.size(); j++) { 934a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn Header oh = from.get(j); 935a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn if (cur == oh || (cur.id != HEADER_ID_UNDEFINED && cur.id == oh.id)) { 936a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn // Must be this one. 937a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn matches.clear(); 938a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn matches.add(oh); 939a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn break; 940a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } 941a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn if (cur.fragment != null) { 942a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn if (cur.fragment.equals(oh.fragment)) { 943a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn matches.add(oh); 944a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } 945a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } else if (cur.intent != null) { 946a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn if (cur.intent.equals(oh.intent)) { 947a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn matches.add(oh); 948a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } 949a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } else if (cur.title != null) { 950a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn if (cur.title.equals(oh.title)) { 951a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn matches.add(oh); 952a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } 953a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } 954a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } 955a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn final int NM = matches.size(); 956a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn if (NM == 1) { 957a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn return matches.get(0); 958a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } else if (NM > 1) { 959a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn for (int j=0; j<NM; j++) { 960a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn Header oh = matches.get(j); 961a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn if (cur.fragmentArguments != null && 962a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn cur.fragmentArguments.equals(oh.fragmentArguments)) { 963a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn return oh; 964a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } 965a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn if (cur.extras != null && cur.extras.equals(oh.extras)) { 966a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn return oh; 967a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } 968a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn if (cur.title != null && cur.title.equals(oh.title)) { 969a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn return oh; 970a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } 971a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } 972a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } 973a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn return null; 974a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } 975a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn 976a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn /** 977aa904f48cf3e3a31cc43806fee0e17af607c7faeAndrew Stadler * Start a new fragment. 978aa904f48cf3e3a31cc43806fee0e17af607c7faeAndrew Stadler * 979aa904f48cf3e3a31cc43806fee0e17af607c7faeAndrew Stadler * @param fragment The fragment to start 980aa904f48cf3e3a31cc43806fee0e17af607c7faeAndrew Stadler * @param push If true, the current fragment will be pushed onto the back stack. If false, 981aa904f48cf3e3a31cc43806fee0e17af607c7faeAndrew Stadler * the current fragment will be replaced. 982aa904f48cf3e3a31cc43806fee0e17af607c7faeAndrew Stadler */ 983aa904f48cf3e3a31cc43806fee0e17af607c7faeAndrew Stadler public void startPreferenceFragment(Fragment fragment, boolean push) { 984aa904f48cf3e3a31cc43806fee0e17af607c7faeAndrew Stadler FragmentTransaction transaction = getFragmentManager().openTransaction(); 985c6669ca63299219d815464129dac051ab2404286Dianne Hackborn startPreferenceFragment(fragment, transaction); 986aa904f48cf3e3a31cc43806fee0e17af607c7faeAndrew Stadler if (push) { 9879ff82bf2b33513052500473d0d6d025a80dcecbfChet Haase transaction.setTransition(FragmentTransaction.TRANSIT_FRAGMENT_OPEN); 988aa904f48cf3e3a31cc43806fee0e17af607c7faeAndrew Stadler transaction.addToBackStack(BACK_STACK_PREFS); 9899ff82bf2b33513052500473d0d6d025a80dcecbfChet Haase } else { 9909ff82bf2b33513052500473d0d6d025a80dcecbfChet Haase transaction.setTransition(FragmentTransaction.TRANSIT_FRAGMENT_NEXT); 991aa904f48cf3e3a31cc43806fee0e17af607c7faeAndrew Stadler } 992aa904f48cf3e3a31cc43806fee0e17af607c7faeAndrew Stadler transaction.commit(); 993aa904f48cf3e3a31cc43806fee0e17af607c7faeAndrew Stadler } 994aa904f48cf3e3a31cc43806fee0e17af607c7faeAndrew Stadler 995c6669ca63299219d815464129dac051ab2404286Dianne Hackborn /** 996c6669ca63299219d815464129dac051ab2404286Dianne Hackborn * Start a new fragment. 997c6669ca63299219d815464129dac051ab2404286Dianne Hackborn * 998c6669ca63299219d815464129dac051ab2404286Dianne Hackborn * @param fragment The fragment to start 999c6669ca63299219d815464129dac051ab2404286Dianne Hackborn * @param ft The FragmentTransaction in which to perform this operation. 1000c6669ca63299219d815464129dac051ab2404286Dianne Hackborn * Will not be added to the back stack or committed for you; you use do that. 1001c6669ca63299219d815464129dac051ab2404286Dianne Hackborn */ 1002c6669ca63299219d815464129dac051ab2404286Dianne Hackborn public void startPreferenceFragment(Fragment fragment, FragmentTransaction ft) { 1003c6669ca63299219d815464129dac051ab2404286Dianne Hackborn ft.replace(com.android.internal.R.id.prefs, fragment); 1004c6669ca63299219d815464129dac051ab2404286Dianne Hackborn } 1005c6669ca63299219d815464129dac051ab2404286Dianne Hackborn 1006b3cf10ffa8ff9cac0da8b23a0d84076b3f501400Dianne Hackborn @Override 1007b3cf10ffa8ff9cac0da8b23a0d84076b3f501400Dianne Hackborn public boolean onPreferenceStartFragment(PreferenceFragment caller, Preference pref) { 1008def1537e9e8d0dd190cde5310ddae8b921088c9bDianne Hackborn Fragment f = Fragment.instantiate(this, pref.getFragment(), pref.getExtras()); 1009c6669ca63299219d815464129dac051ab2404286Dianne Hackborn FragmentTransaction transaction = getFragmentManager().openTransaction(); 1010c6669ca63299219d815464129dac051ab2404286Dianne Hackborn startPreferenceFragment(f, transaction); 1011c6669ca63299219d815464129dac051ab2404286Dianne Hackborn transaction.setBreadCrumbTitle(pref.getTitle()); 10129ff82bf2b33513052500473d0d6d025a80dcecbfChet Haase transaction.setTransition(FragmentTransaction.TRANSIT_FRAGMENT_OPEN); 1013c6669ca63299219d815464129dac051ab2404286Dianne Hackborn transaction.addToBackStack(BACK_STACK_PREFS); 1014c6669ca63299219d815464129dac051ab2404286Dianne Hackborn transaction.commit(); 1015b3cf10ffa8ff9cac0da8b23a0d84076b3f501400Dianne Hackborn return true; 1016b3cf10ffa8ff9cac0da8b23a0d84076b3f501400Dianne Hackborn } 1017b3cf10ffa8ff9cac0da8b23a0d84076b3f501400Dianne Hackborn 10189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 10199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Posts a message to bind the preferences to the list view. 10209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p> 10219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Binding late is preferred as any custom preference types created in 10229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link #onCreate(Bundle)} are able to have their views recycled. 10239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 10249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void postBindPreferences() { 10259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mHandler.hasMessages(MSG_BIND_PREFERENCES)) return; 10269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mHandler.obtainMessage(MSG_BIND_PREFERENCES).sendToTarget(); 10279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 102819ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng 10299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void bindPreferences() { 10309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final PreferenceScreen preferenceScreen = getPreferenceScreen(); 10319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (preferenceScreen != null) { 10329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project preferenceScreen.bind(getListView()); 1033e7fea45863afb10335cb7845aebcf2907d3c3e41Adam Powell if (mSavedInstanceState != null) { 1034e7fea45863afb10335cb7845aebcf2907d3c3e41Adam Powell super.onRestoreInstanceState(mSavedInstanceState); 1035e7fea45863afb10335cb7845aebcf2907d3c3e41Adam Powell mSavedInstanceState = null; 1036e7fea45863afb10335cb7845aebcf2907d3c3e41Adam Powell } 10379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 103919ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng 10409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 10419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the {@link PreferenceManager} used by this activity. 10429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return The {@link PreferenceManager}. 1043b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * 1044b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * @deprecated This function is not relevant for a modern fragment-based 1045b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * PreferenceActivity. 10469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1047b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn @Deprecated 10489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public PreferenceManager getPreferenceManager() { 10499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mPreferenceManager; 10509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 105119ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng 10529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void requirePreferenceManager() { 10539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mPreferenceManager == null) { 1054b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn if (mAdapter == null) { 1055b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn throw new RuntimeException("This should be called after super.onCreate."); 1056b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn } 1057b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn throw new RuntimeException( 1058b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn "Modern two-pane PreferenceActivity requires use of a PreferenceFragment"); 10599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 10639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the root of the preference hierarchy that this activity is showing. 106419ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng * 10659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param preferenceScreen The root {@link PreferenceScreen} of the preference hierarchy. 1066b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * 1067b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * @deprecated This function is not relevant for a modern fragment-based 1068b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * PreferenceActivity. 10699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1070b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn @Deprecated 10719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setPreferenceScreen(PreferenceScreen preferenceScreen) { 1072b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn requirePreferenceManager(); 1073b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 10749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mPreferenceManager.setPreferences(preferenceScreen) && preferenceScreen != null) { 10759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project postBindPreferences(); 10769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project CharSequence title = getPreferenceScreen().getTitle(); 10779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Set the title of the activity 10789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (title != null) { 10799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setTitle(title); 10809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 108319ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng 10849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 10859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Gets the root of the preference hierarchy that this activity is showing. 108619ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng * 10879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return The {@link PreferenceScreen} that is the root of the preference 10889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * hierarchy. 1089b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * 1090b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * @deprecated This function is not relevant for a modern fragment-based 1091b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * PreferenceActivity. 10929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1093b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn @Deprecated 10949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public PreferenceScreen getPreferenceScreen() { 1095b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn if (mPreferenceManager != null) { 1096b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn return mPreferenceManager.getPreferenceScreen(); 1097b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn } 1098b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn return null; 10999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 110019ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng 11019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 11029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Adds preferences from activities that match the given {@link Intent}. 110319ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng * 11049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param intent The {@link Intent} to query activities. 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 void addPreferencesFromIntent(Intent intent) { 11119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project requirePreferenceManager(); 111219ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng 11139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setPreferenceScreen(mPreferenceManager.inflateFromIntent(intent, getPreferenceScreen())); 11149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 111519ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng 11169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 11179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Inflates the given XML resource and adds the preference hierarchy to the current 11189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * preference hierarchy. 111919ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng * 11209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param preferencesResId The XML resource ID to inflate. 1121b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * 1122b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * @deprecated This function is not relevant for a modern fragment-based 1123b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * PreferenceActivity. 11249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1125b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn @Deprecated 11269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void addPreferencesFromResource(int preferencesResId) { 11279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project requirePreferenceManager(); 112819ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng 11299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setPreferenceScreen(mPreferenceManager.inflateFromResource(this, preferencesResId, 11309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project getPreferenceScreen())); 11319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 11349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@inheritDoc} 1135b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * 1136b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * @deprecated This function is not relevant for a modern fragment-based 1137b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * PreferenceActivity. 11389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1139b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn @Deprecated 11409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean onPreferenceTreeClick(PreferenceScreen preferenceScreen, Preference preference) { 11419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 11429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 114319ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng 11449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 11459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Finds a {@link Preference} based on its key. 114619ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng * 11479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param key The key of the preference to retrieve. 11489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return The {@link Preference} with the key, or null. 11499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see PreferenceGroup#findPreference(CharSequence) 1150b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * 1151b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * @deprecated This function is not relevant for a modern fragment-based 1152b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * PreferenceActivity. 11539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1154b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn @Deprecated 11559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Preference findPreference(CharSequence key) { 115619ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng 11579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mPreferenceManager == null) { 11589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return null; 11599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 116019ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng 11619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mPreferenceManager.findPreference(key); 11629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 11659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void onNewIntent(Intent intent) { 11669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mPreferenceManager != null) { 11679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPreferenceManager.dispatchNewIntent(intent); 11689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 117019ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng 117119ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng // give subclasses access to the Next button 117219ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng /** @hide */ 117319ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng protected boolean hasNextButton() { 117419ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng return mNextButton != null; 117519ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng } 117619ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng /** @hide */ 117719ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng protected Button getNextButton() { 117819ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng return mNextButton; 117919ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng } 11809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1181