PreferenceActivity.java revision 405c1af75607fafdb1d6faf34e13e032e4934787
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 21c57406cdfa1925c3474e87865c51950b76ee0347Jim Millerimport android.app.ActionBar; 22b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackbornimport android.app.Fragment; 23c6669ca63299219d815464129dac051ab2404286Dianne Hackbornimport android.app.FragmentBreadCrumbs; 243a57fb9e9c4f205ca6bd4f036b3080f92588d16dDianne Hackbornimport android.app.FragmentManager; 25aa904f48cf3e3a31cc43806fee0e17af607c7faeAndrew Stadlerimport android.app.FragmentTransaction; 269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.app.ListActivity; 27b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackbornimport android.content.Context; 289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.content.Intent; 29b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackbornimport android.content.res.Configuration; 3050ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackbornimport android.content.res.Resources; 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; 4050ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackbornimport android.util.TypedValue; 41b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackbornimport android.util.Xml; 42b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackbornimport android.view.LayoutInflater; 439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.view.View; 44aa904f48cf3e3a31cc43806fee0e17af607c7faeAndrew Stadlerimport android.view.ViewGroup; 45405c1af75607fafdb1d6faf34e13e032e4934787Amith Yamasaniimport android.view.View.OnClickListener; 46a21e3da55940e239addd80bf379091a1d85d006fDianne Hackbornimport android.widget.AbsListView; 47b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackbornimport android.widget.ArrayAdapter; 4819ea2e0d788810473136ceca46c1c28326daff5eFreeman Ngimport android.widget.Button; 495c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackbornimport android.widget.FrameLayout; 50b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackbornimport android.widget.ImageView; 51b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackbornimport android.widget.ListView; 52b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackbornimport android.widget.TextView; 53b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 54b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackbornimport java.io.IOException; 55b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackbornimport java.util.ArrayList; 56b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackbornimport java.util.List; 579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 58405c1af75607fafdb1d6faf34e13e032e4934787Amith Yamasaniimport org.xmlpull.v1.XmlPullParser; 59405c1af75607fafdb1d6faf34e13e032e4934787Amith Yamasaniimport org.xmlpull.v1.XmlPullParserException; 60405c1af75607fafdb1d6faf34e13e032e4934787Amith Yamasani 619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/** 62b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * This is the base class for an activity to show a hierarchy of preferences 63b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * to the user. Prior to {@link android.os.Build.VERSION_CODES#HONEYCOMB} 64b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * this class only allowed the display of a single set of preference; this 65b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * functionality should now be found in the new {@link PreferenceFragment} 66b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * class. If you are using PreferenceActivity in its old mode, the documentation 67b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * there applies to the deprecated APIs here. 68b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * 69b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * <p>This activity shows one or more headers of preferences, each of with 70b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * is associated with a {@link PreferenceFragment} to display the preferences 71b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * of that header. The actual layout and display of these associations can 72b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * however vary; currently there are two major approaches it may take: 73b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * 74b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * <ul> 75b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * <li>On a small screen it may display only the headers as a single list 76b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * when first launched. Selecting one of the header items will re-launch 77b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * the activity with it only showing the PreferenceFragment of that header. 78b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * <li>On a large screen in may display both the headers and current 79b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * PreferenceFragment together as panes. Selecting a header item switches 80b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * to showing the correct PreferenceFragment for that item. 81b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * </ul> 82b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * 83b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * <p>Subclasses of PreferenceActivity should implement 84b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * {@link #onBuildHeaders} to populate the header list with the desired 85b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * items. Doing this implicitly switches the class into its new "headers 86b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * + fragments" mode rather than the old style of just showing a single 87b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * preferences list. 88b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * 89b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * <a name="SampleCode"></a> 90b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * <h3>Sample Code</h3> 91b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * 92b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * <p>The following sample code shows a simple preference activity that 93b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * has two different sets of preferences. The implementation, consisting 94b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * of the activity itself as well as its two preference fragments is:</p> 95b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * 96b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * {@sample development/samples/ApiDemos/src/com/example/android/apis/preference/PreferenceWithHeaders.java 97b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * activity} 9819ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng * 99b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * <p>The preference_headers resource describes the headers to be displayed 100b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * and the fragments associated with them. It is: 101b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * 102b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * {@sample development/samples/ApiDemos/res/xml/preference_headers.xml headers} 103b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * 104b3cf10ffa8ff9cac0da8b23a0d84076b3f501400Dianne Hackborn * <p>The first header is shown by Prefs1Fragment, which populates itself 105b3cf10ffa8ff9cac0da8b23a0d84076b3f501400Dianne Hackborn * from the following XML resource:</p> 106b3cf10ffa8ff9cac0da8b23a0d84076b3f501400Dianne Hackborn * 107b3cf10ffa8ff9cac0da8b23a0d84076b3f501400Dianne Hackborn * {@sample development/samples/ApiDemos/res/xml/fragmented_preferences.xml preferences} 108b3cf10ffa8ff9cac0da8b23a0d84076b3f501400Dianne Hackborn * 109b3cf10ffa8ff9cac0da8b23a0d84076b3f501400Dianne Hackborn * <p>Note that this XML resource contains a preference screen holding another 110b3cf10ffa8ff9cac0da8b23a0d84076b3f501400Dianne Hackborn * fragment, the Prefs1FragmentInner implemented here. This allows the user 111b3cf10ffa8ff9cac0da8b23a0d84076b3f501400Dianne Hackborn * to traverse down a hierarchy of preferences; pressing back will pop each 112b3cf10ffa8ff9cac0da8b23a0d84076b3f501400Dianne Hackborn * fragment off the stack to return to the previous preferences. 113b3cf10ffa8ff9cac0da8b23a0d84076b3f501400Dianne Hackborn * 114b3cf10ffa8ff9cac0da8b23a0d84076b3f501400Dianne Hackborn * <p>See {@link PreferenceFragment} for information on implementing the 115b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * fragments themselves. 1169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpublic abstract class PreferenceActivity extends ListActivity implements 118b3cf10ffa8ff9cac0da8b23a0d84076b3f501400Dianne Hackborn PreferenceManager.OnPreferenceTreeClickListener, 119b3cf10ffa8ff9cac0da8b23a0d84076b3f501400Dianne Hackborn PreferenceFragment.OnPreferenceStartFragmentCallback { 120b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn private static final String TAG = "PreferenceActivity"; 12119ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng 122a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn // Constants for state save/restore 123a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn private static final String HEADERS_TAG = ":android:headers"; 124a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn private static final String CUR_HEADER_TAG = ":android:cur_header"; 125a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn private static final String PREFERENCES_TAG = ":android:preferences"; 12619ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng 127b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn /** 128b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn * When starting this activity, the invoking Intent can contain this extra 129b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn * string to specify which fragment should be initially displayed. 130b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn */ 131b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn public static final String EXTRA_SHOW_FRAGMENT = ":android:show_fragment"; 132b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 133b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn /** 134b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn * When starting this activity and using {@link #EXTRA_SHOW_FRAGMENT}, 135e72f237defd9956a7e2d2e2bee8cd2558c3f83dbDianne Hackborn * this extra can also be specified to supply a Bundle of arguments to pass 136b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn * to that fragment when it is instantiated during the initial creation 137b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn * of PreferenceActivity. 138b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn */ 139b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn public static final String EXTRA_SHOW_FRAGMENT_ARGUMENTS = ":android:show_fragment_args"; 140b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn 141b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn /** 142e72f237defd9956a7e2d2e2bee8cd2558c3f83dbDianne Hackborn * When starting this activity and using {@link #EXTRA_SHOW_FRAGMENT}, 143e72f237defd9956a7e2d2e2bee8cd2558c3f83dbDianne Hackborn * this extra can also be specify to supply the title to be shown for 144e72f237defd9956a7e2d2e2bee8cd2558c3f83dbDianne Hackborn * that fragment. 145e72f237defd9956a7e2d2e2bee8cd2558c3f83dbDianne Hackborn */ 146e72f237defd9956a7e2d2e2bee8cd2558c3f83dbDianne Hackborn public static final String EXTRA_SHOW_FRAGMENT_TITLE = ":android:show_fragment_title"; 147e72f237defd9956a7e2d2e2bee8cd2558c3f83dbDianne Hackborn 148e72f237defd9956a7e2d2e2bee8cd2558c3f83dbDianne Hackborn /** 149e72f237defd9956a7e2d2e2bee8cd2558c3f83dbDianne Hackborn * When starting this activity and using {@link #EXTRA_SHOW_FRAGMENT}, 150e72f237defd9956a7e2d2e2bee8cd2558c3f83dbDianne Hackborn * this extra can also be specify to supply the short title to be shown for 151e72f237defd9956a7e2d2e2bee8cd2558c3f83dbDianne Hackborn * that fragment. 152e72f237defd9956a7e2d2e2bee8cd2558c3f83dbDianne Hackborn */ 153e72f237defd9956a7e2d2e2bee8cd2558c3f83dbDianne Hackborn public static final String EXTRA_SHOW_FRAGMENT_SHORT_TITLE 154e72f237defd9956a7e2d2e2bee8cd2558c3f83dbDianne Hackborn = ":android:show_fragment_short_title"; 155e72f237defd9956a7e2d2e2bee8cd2558c3f83dbDianne Hackborn 156e72f237defd9956a7e2d2e2bee8cd2558c3f83dbDianne Hackborn /** 157b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn * When starting this activity, the invoking Intent can contain this extra 158b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn * boolean that the header list should not be displayed. This is most often 159b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn * used in conjunction with {@link #EXTRA_SHOW_FRAGMENT} to launch 160b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn * the activity to display a specific fragment that the user has navigated 161b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn * to. 162b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn */ 163b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn public static final String EXTRA_NO_HEADERS = ":android:no_headers"; 164b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 165b3cf10ffa8ff9cac0da8b23a0d84076b3f501400Dianne Hackborn private static final String BACK_STACK_PREFS = ":android:prefs"; 166b3cf10ffa8ff9cac0da8b23a0d84076b3f501400Dianne Hackborn 16719ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng // extras that allow any preference activity to be launched as part of a wizard 16819ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng 16919ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng // show Back and Next buttons? takes boolean parameter 17019ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng // Back will then return RESULT_CANCELED and Next RESULT_OK 17119ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng private static final String EXTRA_PREFS_SHOW_BUTTON_BAR = "extra_prefs_show_button_bar"; 17219ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng 17309dbf1844016682ed461d080e32a43d0086e767dFreeman Ng // add a Skip button? 17409dbf1844016682ed461d080e32a43d0086e767dFreeman Ng private static final String EXTRA_PREFS_SHOW_SKIP = "extra_prefs_show_skip"; 17509dbf1844016682ed461d080e32a43d0086e767dFreeman Ng 17619ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng // specify custom text for the Back or Next buttons, or cause a button to not appear 17719ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng // at all by setting it to null 17819ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng private static final String EXTRA_PREFS_SET_NEXT_TEXT = "extra_prefs_set_next_text"; 17919ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng private static final String EXTRA_PREFS_SET_BACK_TEXT = "extra_prefs_set_back_text"; 18019ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng 181b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn // --- State for new mode when showing a list of headers + prefs fragment 182b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 183b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn private final ArrayList<Header> mHeaders = new ArrayList<Header>(); 184b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 185b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn private HeaderAdapter mAdapter; 186b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 1875c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn private FrameLayout mListFooter; 1885c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn 1893c9f519f898f8fc809550199ea823c0225c682a8Amith Yamasani private ViewGroup mPrefsContainer; 190b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 191c6669ca63299219d815464129dac051ab2404286Dianne Hackborn private FragmentBreadCrumbs mFragmentBreadCrumbs; 192c6669ca63299219d815464129dac051ab2404286Dianne Hackborn 193b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn private boolean mSinglePane; 194b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 195a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn private Header mCurHeader; 196a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn 197b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn // --- State for old mode when showing a single preference list 19819ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng 1999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private PreferenceManager mPreferenceManager; 20019ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng 201e7fea45863afb10335cb7845aebcf2907d3c3e41Adam Powell private Bundle mSavedInstanceState; 202e7fea45863afb10335cb7845aebcf2907d3c3e41Adam Powell 203b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn // --- Common state 204b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 205b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn private Button mNextButton; 206b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 2079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The starting request code given out to preference framework. 2099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int FIRST_REQUEST_CODE = 100; 21119ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng 2123e449ce00ed2d3b271e50bc7a52798f630973bf1Dianne Hackborn private static final int MSG_BIND_PREFERENCES = 1; 2133e449ce00ed2d3b271e50bc7a52798f630973bf1Dianne Hackborn private static final int MSG_BUILD_HEADERS = 2; 2149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private Handler mHandler = new Handler() { 2159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 2169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void handleMessage(Message msg) { 2179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project switch (msg.what) { 218a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn case MSG_BIND_PREFERENCES: { 2199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project bindPreferences(); 220a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } break; 221a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn case MSG_BUILD_HEADERS: { 222a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn ArrayList<Header> oldHeaders = new ArrayList<Header>(mHeaders); 223a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn mHeaders.clear(); 224b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn onBuildHeaders(mHeaders); 22583681eb6003d69f095547d10bdd96822e30432c2Andrew Stadler if (mAdapter != null) { 22683681eb6003d69f095547d10bdd96822e30432c2Andrew Stadler mAdapter.notifyDataSetChanged(); 22783681eb6003d69f095547d10bdd96822e30432c2Andrew Stadler } 2285c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn Header header = onGetNewHeader(); 2295c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn if (header != null && header.fragment != null) { 230a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn Header mappedHeader = findBestMatchingHeader(header, oldHeaders); 231a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn if (mappedHeader == null || mCurHeader != mappedHeader) { 232a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn switchToHeader(header); 233a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } 234a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } else if (mCurHeader != null) { 235a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn Header mappedHeader = findBestMatchingHeader(mCurHeader, mHeaders); 236a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn if (mappedHeader != null) { 237a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn setSelectedHeader(mappedHeader); 238a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } 2395c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn } 240a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } break; 2419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project }; 2449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 245468c3230dafc2d131bdeded7b5a6825988166244Andrew Stadler private static class HeaderAdapter extends ArrayAdapter<Header> { 246468c3230dafc2d131bdeded7b5a6825988166244Andrew Stadler private static class HeaderViewHolder { 247468c3230dafc2d131bdeded7b5a6825988166244Andrew Stadler ImageView icon; 248468c3230dafc2d131bdeded7b5a6825988166244Andrew Stadler TextView title; 249468c3230dafc2d131bdeded7b5a6825988166244Andrew Stadler TextView summary; 250468c3230dafc2d131bdeded7b5a6825988166244Andrew Stadler } 251b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 252b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn private LayoutInflater mInflater; 253b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 254b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn public HeaderAdapter(Context context, List<Header> objects) { 255b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn super(context, 0, objects); 256b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn mInflater = (LayoutInflater)context.getSystemService(Context.LAYOUT_INFLATER_SERVICE); 257b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn } 258b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 259b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn @Override 260b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn public View getView(int position, View convertView, ViewGroup parent) { 261b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn HeaderViewHolder holder; 262b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn View view; 263b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 264b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn if (convertView == null) { 265d0fa371f276fde32d81c037006941bc93da0bb03Dianne Hackborn view = mInflater.inflate(com.android.internal.R.layout.preference_header_item, 266b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn parent, false); 267b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn holder = new HeaderViewHolder(); 268468c3230dafc2d131bdeded7b5a6825988166244Andrew Stadler holder.icon = (ImageView) view.findViewById(com.android.internal.R.id.icon); 269468c3230dafc2d131bdeded7b5a6825988166244Andrew Stadler holder.title = (TextView) view.findViewById(com.android.internal.R.id.title); 270468c3230dafc2d131bdeded7b5a6825988166244Andrew Stadler holder.summary = (TextView) view.findViewById(com.android.internal.R.id.summary); 271b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn view.setTag(holder); 272b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn } else { 273b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn view = convertView; 274468c3230dafc2d131bdeded7b5a6825988166244Andrew Stadler holder = (HeaderViewHolder) view.getTag(); 275b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn } 276b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 277468c3230dafc2d131bdeded7b5a6825988166244Andrew Stadler // All view fields must be updated every time, because the view may be recycled 278b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn Header header = getItem(position); 279a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn holder.icon.setImageResource(header.iconRes); 28050ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn holder.title.setText(header.getTitle(getContext().getResources())); 28150ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn CharSequence summary = header.getSummary(getContext().getResources()); 28250ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn if (!TextUtils.isEmpty(summary)) { 283468c3230dafc2d131bdeded7b5a6825988166244Andrew Stadler holder.summary.setVisibility(View.VISIBLE); 28450ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn holder.summary.setText(summary); 28550ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn } else { 28650ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn holder.summary.setVisibility(View.GONE); 287468c3230dafc2d131bdeded7b5a6825988166244Andrew Stadler } 288b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 289b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn return view; 290b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn } 291b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn } 292b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 293b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn /** 294a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn * Default value for {@link Header#id Header.id} indicating that no 295a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn * identifier value is set. All other values (including those below -1) 296a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn * are valid. 297a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn */ 298a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn public static final long HEADER_ID_UNDEFINED = -1; 299a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn 300a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn /** 301b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * Description of a single Header item that the user can select. 302b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn */ 303a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn public static final class Header implements Parcelable { 304a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn /** 305a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn * Identifier for this header, to correlate with a new list when 306a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn * it is updated. The default value is 307a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn * {@link PreferenceActivity#HEADER_ID_UNDEFINED}, meaning no id. 308a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn * @attr ref android.R.styleable#PreferenceHeader_id 309a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn */ 310a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn public long id = HEADER_ID_UNDEFINED; 311a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn 312b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn /** 31350ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn * Resource ID of title of the header that is shown to the user. 31450ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn * @attr ref android.R.styleable#PreferenceHeader_title 31550ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn */ 31650ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn public int titleRes; 31750ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn 31850ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn /** 319b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * Title of the header that is shown to the user. 320b3cf10ffa8ff9cac0da8b23a0d84076b3f501400Dianne Hackborn * @attr ref android.R.styleable#PreferenceHeader_title 321b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn */ 322468c3230dafc2d131bdeded7b5a6825988166244Andrew Stadler public CharSequence title; 323b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 324b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn /** 32550ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn * Resource ID of optional summary describing what this header controls. 32650ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn * @attr ref android.R.styleable#PreferenceHeader_summary 32750ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn */ 32850ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn public int summaryRes; 32950ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn 33050ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn /** 331b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * Optional summary describing what this header controls. 332b3cf10ffa8ff9cac0da8b23a0d84076b3f501400Dianne Hackborn * @attr ref android.R.styleable#PreferenceHeader_summary 333b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn */ 334468c3230dafc2d131bdeded7b5a6825988166244Andrew Stadler public CharSequence summary; 335b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 336b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn /** 33750ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn * Resource ID of optional text to show as the title in the bread crumb. 33850ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn * @attr ref android.R.styleable#PreferenceHeader_breadCrumbTitle 33950ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn */ 34050ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn public int breadCrumbTitleRes; 34150ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn 34250ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn /** 343c6669ca63299219d815464129dac051ab2404286Dianne Hackborn * Optional text to show as the title in the bread crumb. 344c6669ca63299219d815464129dac051ab2404286Dianne Hackborn * @attr ref android.R.styleable#PreferenceHeader_breadCrumbTitle 345c6669ca63299219d815464129dac051ab2404286Dianne Hackborn */ 346c6669ca63299219d815464129dac051ab2404286Dianne Hackborn public CharSequence breadCrumbTitle; 347c6669ca63299219d815464129dac051ab2404286Dianne Hackborn 348c6669ca63299219d815464129dac051ab2404286Dianne Hackborn /** 34950ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn * Resource ID of optional text to show as the short title in the bread crumb. 35050ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn * @attr ref android.R.styleable#PreferenceHeader_breadCrumbShortTitle 35150ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn */ 35250ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn public int breadCrumbShortTitleRes; 35350ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn 35450ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn /** 355c6669ca63299219d815464129dac051ab2404286Dianne Hackborn * Optional text to show as the short title in the bread crumb. 356c6669ca63299219d815464129dac051ab2404286Dianne Hackborn * @attr ref android.R.styleable#PreferenceHeader_breadCrumbShortTitle 357c6669ca63299219d815464129dac051ab2404286Dianne Hackborn */ 358c6669ca63299219d815464129dac051ab2404286Dianne Hackborn public CharSequence breadCrumbShortTitle; 359c6669ca63299219d815464129dac051ab2404286Dianne Hackborn 360c6669ca63299219d815464129dac051ab2404286Dianne Hackborn /** 361b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * Optional icon resource to show for this header. 362b3cf10ffa8ff9cac0da8b23a0d84076b3f501400Dianne Hackborn * @attr ref android.R.styleable#PreferenceHeader_icon 363b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn */ 364468c3230dafc2d131bdeded7b5a6825988166244Andrew Stadler public int iconRes; 365b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 366b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn /** 367b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * Full class name of the fragment to display when this header is 368b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * selected. 369b3cf10ffa8ff9cac0da8b23a0d84076b3f501400Dianne Hackborn * @attr ref android.R.styleable#PreferenceHeader_fragment 370b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn */ 371468c3230dafc2d131bdeded7b5a6825988166244Andrew Stadler public String fragment; 372b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn 373b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn /** 374b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn * Optional arguments to supply to the fragment when it is 375b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn * instantiated. 376b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn */ 377468c3230dafc2d131bdeded7b5a6825988166244Andrew Stadler public Bundle fragmentArguments; 3785c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn 3795c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn /** 3805c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn * Intent to launch when the preference is selected. 3815c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn */ 3825c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn public Intent intent; 383a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn 384a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn /** 385a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn * Optional additional data for use by subclasses of PreferenceActivity. 386a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn */ 387a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn public Bundle extras; 388a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn 389a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn public Header() { 390a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } 391a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn 39250ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn /** 39350ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn * Return the currently set title. If {@link #titleRes} is set, 39450ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn * this resource is loaded from <var>res</var> and returned. Otherwise 39550ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn * {@link #title} is returned. 39650ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn */ 39750ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn public CharSequence getTitle(Resources res) { 39850ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn if (titleRes != 0) { 39950ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn return res.getText(titleRes); 40050ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn } 40150ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn return title; 40250ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn } 40350ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn 40450ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn /** 40550ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn * Return the currently set summary. If {@link #summaryRes} is set, 40650ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn * this resource is loaded from <var>res</var> and returned. Otherwise 40750ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn * {@link #summary} is returned. 40850ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn */ 40950ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn public CharSequence getSummary(Resources res) { 41050ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn if (summaryRes != 0) { 41150ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn return res.getText(summaryRes); 41250ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn } 4139d0718042f7c0a50d825c621f82ce9a92071f07aDianne Hackborn return summary; 41450ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn } 41550ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn 41650ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn /** 41750ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn * Return the currently set bread crumb title. If {@link #breadCrumbTitleRes} is set, 41850ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn * this resource is loaded from <var>res</var> and returned. Otherwise 41950ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn * {@link #breadCrumbTitle} is returned. 42050ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn */ 42150ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn public CharSequence getBreadCrumbTitle(Resources res) { 42250ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn if (breadCrumbTitleRes != 0) { 42350ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn return res.getText(breadCrumbTitleRes); 42450ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn } 42550ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn return breadCrumbTitle; 42650ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn } 42750ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn 42850ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn /** 42950ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn * Return the currently set bread crumb short title. If 43050ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn * {@link #breadCrumbShortTitleRes} is set, 43150ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn * this resource is loaded from <var>res</var> and returned. Otherwise 43250ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn * {@link #breadCrumbShortTitle} is returned. 43350ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn */ 43450ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn public CharSequence getBreadCrumbShortTitle(Resources res) { 43550ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn if (breadCrumbShortTitleRes != 0) { 43650ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn return res.getText(breadCrumbShortTitleRes); 43750ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn } 43850ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn return breadCrumbShortTitle; 43950ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn } 44050ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn 441a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn @Override 442a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn public int describeContents() { 443a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn return 0; 444a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } 445a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn 446a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn @Override 447a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn public void writeToParcel(Parcel dest, int flags) { 448a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn dest.writeLong(id); 44950ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn dest.writeInt(titleRes); 450a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn TextUtils.writeToParcel(title, dest, flags); 45150ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn dest.writeInt(summaryRes); 452a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn TextUtils.writeToParcel(summary, dest, flags); 45350ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn dest.writeInt(breadCrumbTitleRes); 454c6669ca63299219d815464129dac051ab2404286Dianne Hackborn TextUtils.writeToParcel(breadCrumbTitle, dest, flags); 45550ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn dest.writeInt(breadCrumbShortTitleRes); 456c6669ca63299219d815464129dac051ab2404286Dianne Hackborn TextUtils.writeToParcel(breadCrumbShortTitle, dest, flags); 457a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn dest.writeInt(iconRes); 458a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn dest.writeString(fragment); 459a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn dest.writeBundle(fragmentArguments); 460a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn if (intent != null) { 461a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn dest.writeInt(1); 462a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn intent.writeToParcel(dest, flags); 463a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } else { 464a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn dest.writeInt(0); 465a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } 466a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn dest.writeBundle(extras); 467a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } 468a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn 469a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn public void readFromParcel(Parcel in) { 470a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn id = in.readLong(); 47150ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn titleRes = in.readInt(); 472a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn title = TextUtils.CHAR_SEQUENCE_CREATOR.createFromParcel(in); 47350ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn summaryRes = in.readInt(); 474a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn summary = TextUtils.CHAR_SEQUENCE_CREATOR.createFromParcel(in); 47550ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn breadCrumbTitleRes = in.readInt(); 476c6669ca63299219d815464129dac051ab2404286Dianne Hackborn breadCrumbTitle = TextUtils.CHAR_SEQUENCE_CREATOR.createFromParcel(in); 47750ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn breadCrumbShortTitleRes = in.readInt(); 478c6669ca63299219d815464129dac051ab2404286Dianne Hackborn breadCrumbShortTitle = TextUtils.CHAR_SEQUENCE_CREATOR.createFromParcel(in); 479a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn iconRes = in.readInt(); 480a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn fragment = in.readString(); 481a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn fragmentArguments = in.readBundle(); 482a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn if (in.readInt() != 0) { 483a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn intent = Intent.CREATOR.createFromParcel(in); 484a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } 485a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn extras = in.readBundle(); 486a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } 487a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn 488a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn Header(Parcel in) { 489a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn readFromParcel(in); 490a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } 491a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn 492a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn public static final Creator<Header> CREATOR = new Creator<Header>() { 493a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn public Header createFromParcel(Parcel source) { 494a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn return new Header(source); 495a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } 496a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn public Header[] newArray(int size) { 497a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn return new Header[size]; 498a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } 499a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn }; 500b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn } 501b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 5029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 5039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void onCreate(Bundle savedInstanceState) { 5049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.onCreate(savedInstanceState); 5059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 506405c1af75607fafdb1d6faf34e13e032e4934787Amith Yamasani setContentView(com.android.internal.R.layout.preference_list_content); 50719ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng 5085c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn mListFooter = (FrameLayout)findViewById(com.android.internal.R.id.list_footer); 5093c9f519f898f8fc809550199ea823c0225c682a8Amith Yamasani mPrefsContainer = (ViewGroup) findViewById(com.android.internal.R.id.prefs_frame); 510b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn boolean hidingHeaders = onIsHidingHeaders(); 511b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn mSinglePane = hidingHeaders || !onIsMultiPane(); 512b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn String initialFragment = getIntent().getStringExtra(EXTRA_SHOW_FRAGMENT); 513b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn Bundle initialArguments = getIntent().getBundleExtra(EXTRA_SHOW_FRAGMENT_ARGUMENTS); 514e72f237defd9956a7e2d2e2bee8cd2558c3f83dbDianne Hackborn int initialTitle = getIntent().getIntExtra(EXTRA_SHOW_FRAGMENT_TITLE, 0); 515e72f237defd9956a7e2d2e2bee8cd2558c3f83dbDianne Hackborn int initialShortTitle = getIntent().getIntExtra(EXTRA_SHOW_FRAGMENT_SHORT_TITLE, 0); 516b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 517a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn if (savedInstanceState != null) { 518a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn // We are restarting from a previous saved state; used that to 519a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn // initialize, instead of starting fresh. 520a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn ArrayList<Header> headers = savedInstanceState.getParcelableArrayList(HEADERS_TAG); 521a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn if (headers != null) { 522a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn mHeaders.addAll(headers); 523a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn int curHeader = savedInstanceState.getInt(CUR_HEADER_TAG, 524a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn (int)HEADER_ID_UNDEFINED); 525a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn if (curHeader >= 0 && curHeader < mHeaders.size()) { 526a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn setSelectedHeader(mHeaders.get(curHeader)); 527a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } 528a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } 529b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 530b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn } else { 531a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn if (initialFragment != null && mSinglePane) { 532a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn // If we are just showing a fragment, we want to run in 533a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn // new fragment mode, but don't need to compute and show 534a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn // the headers. 535a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn switchToHeader(initialFragment, initialArguments); 536e72f237defd9956a7e2d2e2bee8cd2558c3f83dbDianne Hackborn if (initialTitle != 0) { 537e72f237defd9956a7e2d2e2bee8cd2558c3f83dbDianne Hackborn CharSequence initialTitleStr = getText(initialTitle); 538e72f237defd9956a7e2d2e2bee8cd2558c3f83dbDianne Hackborn CharSequence initialShortTitleStr = initialShortTitle != 0 539e72f237defd9956a7e2d2e2bee8cd2558c3f83dbDianne Hackborn ? getText(initialShortTitle) : null; 540e72f237defd9956a7e2d2e2bee8cd2558c3f83dbDianne Hackborn showBreadCrumbs(initialTitleStr, initialShortTitleStr); 541e72f237defd9956a7e2d2e2bee8cd2558c3f83dbDianne Hackborn } 542a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn 543a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } else { 544a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn // We need to try to build the headers. 545a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn onBuildHeaders(mHeaders); 546a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn 547a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn // If there are headers, then at this point we need to show 548a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn // them and, depending on the screen, we may also show in-line 549a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn // the currently selected preference fragment. 550a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn if (mHeaders.size() > 0) { 551a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn if (!mSinglePane) { 552a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn if (initialFragment == null) { 553a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn Header h = onGetInitialHeader(); 554a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn switchToHeader(h); 555a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } else { 556a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn switchToHeader(initialFragment, initialArguments); 557a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } 558b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn } 559b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn } 560a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } 561a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } 562b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 563a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn // The default configuration is to only show the list view. Adjust 564a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn // visibility for other configurations. 565a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn if (initialFragment != null && mSinglePane) { 566a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn // Single pane, showing just a prefs fragment. 56705fbc31ed9c6ac13a7aeddc176f19a5c17217e30Amith Yamasani findViewById(com.android.internal.R.id.headers).setVisibility(View.GONE); 568a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn mPrefsContainer.setVisibility(View.VISIBLE); 569a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } else if (mHeaders.size() > 0) { 570a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn mAdapter = new HeaderAdapter(this, mHeaders); 571a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn setListAdapter(mAdapter); 572a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn if (!mSinglePane) { 573a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn // Multi-pane. 574a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn getListView().setChoiceMode(AbsListView.CHOICE_MODE_SINGLE); 575d0fa371f276fde32d81c037006941bc93da0bb03Dianne Hackborn if (mCurHeader != null) { 576d0fa371f276fde32d81c037006941bc93da0bb03Dianne Hackborn setSelectedHeader(mCurHeader); 577d0fa371f276fde32d81c037006941bc93da0bb03Dianne Hackborn } 578a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn mPrefsContainer.setVisibility(View.VISIBLE); 579a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } 580a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } else { 581b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn // If there are no headers, we are in the old "just show a screen 582b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn // of preferences" mode. 583405c1af75607fafdb1d6faf34e13e032e4934787Amith Yamasani setContentView(com.android.internal.R.layout.preference_list_content_single); 5848da35290693d404b482104abc5f696f6cfd58a2cAmith Yamasani mListFooter = (FrameLayout) findViewById(com.android.internal.R.id.list_footer); 5853c9f519f898f8fc809550199ea823c0225c682a8Amith Yamasani mPrefsContainer = (ViewGroup) findViewById(com.android.internal.R.id.prefs); 586a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn mPreferenceManager = new PreferenceManager(this, FIRST_REQUEST_CODE); 587a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn mPreferenceManager.setOnPreferenceTreeClickListener(this); 588b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn } 589b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 590b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn getListView().setScrollBarStyle(View.SCROLLBARS_INSIDE_OVERLAY); 591b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 59219ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng // see if we should show Back/Next buttons 59319ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng Intent intent = getIntent(); 59419ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng if (intent.getBooleanExtra(EXTRA_PREFS_SHOW_BUTTON_BAR, false)) { 59519ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng 59619ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng findViewById(com.android.internal.R.id.button_bar).setVisibility(View.VISIBLE); 59719ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng 59819ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng Button backButton = (Button)findViewById(com.android.internal.R.id.back_button); 59919ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng backButton.setOnClickListener(new OnClickListener() { 60019ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng public void onClick(View v) { 60119ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng setResult(RESULT_CANCELED); 60219ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng finish(); 60319ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng } 60419ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng }); 60509dbf1844016682ed461d080e32a43d0086e767dFreeman Ng Button skipButton = (Button)findViewById(com.android.internal.R.id.skip_button); 60609dbf1844016682ed461d080e32a43d0086e767dFreeman Ng skipButton.setOnClickListener(new OnClickListener() { 60709dbf1844016682ed461d080e32a43d0086e767dFreeman Ng public void onClick(View v) { 60809dbf1844016682ed461d080e32a43d0086e767dFreeman Ng setResult(RESULT_OK); 60909dbf1844016682ed461d080e32a43d0086e767dFreeman Ng finish(); 61009dbf1844016682ed461d080e32a43d0086e767dFreeman Ng } 61109dbf1844016682ed461d080e32a43d0086e767dFreeman Ng }); 61219ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng mNextButton = (Button)findViewById(com.android.internal.R.id.next_button); 61319ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng mNextButton.setOnClickListener(new OnClickListener() { 61419ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng public void onClick(View v) { 61519ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng setResult(RESULT_OK); 61619ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng finish(); 61719ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng } 61819ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng }); 61919ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng 62019ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng // set our various button parameters 62119ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng if (intent.hasExtra(EXTRA_PREFS_SET_NEXT_TEXT)) { 62219ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng String buttonText = intent.getStringExtra(EXTRA_PREFS_SET_NEXT_TEXT); 62319ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng if (TextUtils.isEmpty(buttonText)) { 62419ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng mNextButton.setVisibility(View.GONE); 62519ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng } 62619ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng else { 62719ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng mNextButton.setText(buttonText); 62819ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng } 62919ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng } 63019ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng if (intent.hasExtra(EXTRA_PREFS_SET_BACK_TEXT)) { 63119ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng String buttonText = intent.getStringExtra(EXTRA_PREFS_SET_BACK_TEXT); 63219ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng if (TextUtils.isEmpty(buttonText)) { 63319ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng backButton.setVisibility(View.GONE); 63419ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng } 63519ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng else { 63619ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng backButton.setText(buttonText); 63719ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng } 63819ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng } 63909dbf1844016682ed461d080e32a43d0086e767dFreeman Ng if (intent.getBooleanExtra(EXTRA_PREFS_SHOW_SKIP, false)) { 64009dbf1844016682ed461d080e32a43d0086e767dFreeman Ng skipButton.setVisibility(View.VISIBLE); 64109dbf1844016682ed461d080e32a43d0086e767dFreeman Ng } 64219ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng } 643b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn } 644b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 645b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn /** 646291905e34a7f0ae03c68fb2c1b8c34b92d447fbfDianne Hackborn * Returns true if this activity is currently showing the header list. 647291905e34a7f0ae03c68fb2c1b8c34b92d447fbfDianne Hackborn */ 648291905e34a7f0ae03c68fb2c1b8c34b92d447fbfDianne Hackborn public boolean hasHeaders() { 649291905e34a7f0ae03c68fb2c1b8c34b92d447fbfDianne Hackborn return getListView().getVisibility() == View.VISIBLE 650291905e34a7f0ae03c68fb2c1b8c34b92d447fbfDianne Hackborn && mPreferenceManager == null; 651291905e34a7f0ae03c68fb2c1b8c34b92d447fbfDianne Hackborn } 652291905e34a7f0ae03c68fb2c1b8c34b92d447fbfDianne Hackborn 653291905e34a7f0ae03c68fb2c1b8c34b92d447fbfDianne Hackborn /** 654291905e34a7f0ae03c68fb2c1b8c34b92d447fbfDianne Hackborn * Returns true if this activity is showing multiple panes -- the headers 655291905e34a7f0ae03c68fb2c1b8c34b92d447fbfDianne Hackborn * and a preference fragment. 656291905e34a7f0ae03c68fb2c1b8c34b92d447fbfDianne Hackborn */ 657291905e34a7f0ae03c68fb2c1b8c34b92d447fbfDianne Hackborn public boolean isMultiPane() { 658291905e34a7f0ae03c68fb2c1b8c34b92d447fbfDianne Hackborn return hasHeaders() && mPrefsContainer.getVisibility() == View.VISIBLE; 659291905e34a7f0ae03c68fb2c1b8c34b92d447fbfDianne Hackborn } 660291905e34a7f0ae03c68fb2c1b8c34b92d447fbfDianne Hackborn 661291905e34a7f0ae03c68fb2c1b8c34b92d447fbfDianne Hackborn /** 662b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * Called to determine if the activity should run in multi-pane mode. 663b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * The default implementation returns true if the screen is large 664b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * enough. 665b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn */ 666b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn public boolean onIsMultiPane() { 667405c1af75607fafdb1d6faf34e13e032e4934787Amith Yamasani boolean preferMultiPane = getResources().getBoolean( 668405c1af75607fafdb1d6faf34e13e032e4934787Amith Yamasani com.android.internal.R.bool.preferences_prefer_dual_pane); 669405c1af75607fafdb1d6faf34e13e032e4934787Amith Yamasani return preferMultiPane; 670b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn } 671b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 672b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn /** 673291905e34a7f0ae03c68fb2c1b8c34b92d447fbfDianne Hackborn * Called to determine whether the header list should be hidden. 674291905e34a7f0ae03c68fb2c1b8c34b92d447fbfDianne Hackborn * The default implementation returns the 675291905e34a7f0ae03c68fb2c1b8c34b92d447fbfDianne Hackborn * value given in {@link #EXTRA_NO_HEADERS} or false if it is not supplied. 676291905e34a7f0ae03c68fb2c1b8c34b92d447fbfDianne Hackborn * This is set to false, for example, when the activity is being re-launched 677291905e34a7f0ae03c68fb2c1b8c34b92d447fbfDianne Hackborn * to show a particular preference activity. 678b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn */ 679b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn public boolean onIsHidingHeaders() { 680b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn return getIntent().getBooleanExtra(EXTRA_NO_HEADERS, false); 681b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn } 682b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 683b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn /** 684b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn * Called to determine the initial header to be shown. The default 685b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn * implementation simply returns the fragment of the first header. Note 686b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn * that the returned Header object does not actually need to exist in 687b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn * your header list -- whatever its fragment is will simply be used to 688b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn * show for the initial UI. 689b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn */ 690b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn public Header onGetInitialHeader() { 691b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn return mHeaders.get(0); 692b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn } 693b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 694b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn /** 6955c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn * Called after the header list has been updated ({@link #onBuildHeaders} 6965c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn * has been called and returned due to {@link #invalidateHeaders()}) to 6975c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn * specify the header that should now be selected. The default implementation 6985c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn * returns null to keep whatever header is currently selected. 6995c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn */ 7005c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn public Header onGetNewHeader() { 7015c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn return null; 7025c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn } 7035c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn 7045c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn /** 705b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * Called when the activity needs its list of headers build. By 706b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * implementing this and adding at least one item to the list, you 707b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * will cause the activity to run in its modern fragment mode. Note 708b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * that this function may not always be called; for example, if the 709b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * activity has been asked to display a particular fragment without 710b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * the header list, there is no need to build the headers. 711b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * 712b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * <p>Typical implementations will use {@link #loadHeadersFromResource} 713b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * to fill in the list from a resource. 714b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * 715b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * @param target The list in which to place the headers. 716b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn */ 717b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn public void onBuildHeaders(List<Header> target) { 718b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn } 719b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 720b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn /** 721b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn * Call when you need to change the headers being displayed. Will result 722b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn * in onBuildHeaders() later being called to retrieve the new list. 723b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn */ 724b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn public void invalidateHeaders() { 725b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn if (!mHandler.hasMessages(MSG_BUILD_HEADERS)) { 726b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn mHandler.sendEmptyMessage(MSG_BUILD_HEADERS); 727b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn } 728b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn } 729b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn 730b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn /** 731b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * Parse the given XML file as a header description, adding each 732b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * parsed Header into the target list. 733b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * 734b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * @param resid The XML resource to load and parse. 735b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * @param target The list in which the parsed headers should be placed. 736b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn */ 737b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn public void loadHeadersFromResource(int resid, List<Header> target) { 738b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn XmlResourceParser parser = null; 739b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn try { 740b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn parser = getResources().getXml(resid); 741b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn AttributeSet attrs = Xml.asAttributeSet(parser); 742b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 743b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn int type; 744b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn while ((type=parser.next()) != XmlPullParser.END_DOCUMENT 745b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn && type != XmlPullParser.START_TAG) { 746b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn } 747b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 748b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn String nodeName = parser.getName(); 749def1537e9e8d0dd190cde5310ddae8b921088c9bDianne Hackborn if (!"preference-headers".equals(nodeName)) { 750b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn throw new RuntimeException( 751def1537e9e8d0dd190cde5310ddae8b921088c9bDianne Hackborn "XML document must start with <preference-headers> tag; found" 752b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn + nodeName + " at " + parser.getPositionDescription()); 753b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn } 754b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 755def1537e9e8d0dd190cde5310ddae8b921088c9bDianne Hackborn Bundle curBundle = null; 756def1537e9e8d0dd190cde5310ddae8b921088c9bDianne Hackborn 7575c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn final int outerDepth = parser.getDepth(); 758b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn while ((type=parser.next()) != XmlPullParser.END_DOCUMENT 759b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { 760b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { 761b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn continue; 762b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn } 763b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 764b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn nodeName = parser.getName(); 765def1537e9e8d0dd190cde5310ddae8b921088c9bDianne Hackborn if ("header".equals(nodeName)) { 766b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn Header header = new Header(); 767b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 768b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn TypedArray sa = getResources().obtainAttributes(attrs, 769b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn com.android.internal.R.styleable.PreferenceHeader); 770ed13cde1de86933f64285fa34e3a3aca80994859Amith Yamasani header.id = sa.getResourceId( 771a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn com.android.internal.R.styleable.PreferenceHeader_id, 772a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn (int)HEADER_ID_UNDEFINED); 77350ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn TypedValue tv = sa.peekValue( 774b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn com.android.internal.R.styleable.PreferenceHeader_title); 77550ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn if (tv != null && tv.type == TypedValue.TYPE_STRING) { 77650ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn if (tv.resourceId != 0) { 77750ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn header.titleRes = tv.resourceId; 77850ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn } else { 77950ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn header.title = tv.string; 78050ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn } 78150ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn } 78250ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn tv = sa.peekValue( 783b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn com.android.internal.R.styleable.PreferenceHeader_summary); 78450ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn if (tv != null && tv.type == TypedValue.TYPE_STRING) { 78550ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn if (tv.resourceId != 0) { 78650ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn header.summaryRes = tv.resourceId; 78750ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn } else { 78850ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn header.summary = tv.string; 78950ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn } 79050ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn } 79150ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn tv = sa.peekValue( 792c6669ca63299219d815464129dac051ab2404286Dianne Hackborn com.android.internal.R.styleable.PreferenceHeader_breadCrumbTitle); 79350ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn if (tv != null && tv.type == TypedValue.TYPE_STRING) { 79450ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn if (tv.resourceId != 0) { 79550ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn header.breadCrumbTitleRes = tv.resourceId; 79650ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn } else { 79750ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn header.breadCrumbTitle = tv.string; 79850ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn } 79950ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn } 80050ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn tv = sa.peekValue( 801c6669ca63299219d815464129dac051ab2404286Dianne Hackborn com.android.internal.R.styleable.PreferenceHeader_breadCrumbShortTitle); 80250ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn if (tv != null && tv.type == TypedValue.TYPE_STRING) { 80350ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn if (tv.resourceId != 0) { 80450ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn header.breadCrumbShortTitleRes = tv.resourceId; 80550ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn } else { 80650ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn header.breadCrumbShortTitle = tv.string; 80750ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn } 80850ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn } 809b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn header.iconRes = sa.getResourceId( 810b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn com.android.internal.R.styleable.PreferenceHeader_icon, 0); 811b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn header.fragment = sa.getString( 812b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn com.android.internal.R.styleable.PreferenceHeader_fragment); 813b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn sa.recycle(); 814b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 815def1537e9e8d0dd190cde5310ddae8b921088c9bDianne Hackborn if (curBundle == null) { 816def1537e9e8d0dd190cde5310ddae8b921088c9bDianne Hackborn curBundle = new Bundle(); 817def1537e9e8d0dd190cde5310ddae8b921088c9bDianne Hackborn } 8185c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn 8195c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn final int innerDepth = parser.getDepth(); 8205c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn while ((type=parser.next()) != XmlPullParser.END_DOCUMENT 8215c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn && (type != XmlPullParser.END_TAG || parser.getDepth() > innerDepth)) { 8225c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { 8235c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn continue; 8245c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn } 8255c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn 8265c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn String innerNodeName = parser.getName(); 8275c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn if (innerNodeName.equals("extra")) { 8285c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn getResources().parseBundleExtra("extra", attrs, curBundle); 8295c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn XmlUtils.skipCurrentTag(parser); 8305c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn 8315c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn } else if (innerNodeName.equals("intent")) { 8325c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn header.intent = Intent.parseIntent(getResources(), parser, attrs); 8335c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn 8345c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn } else { 8355c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn XmlUtils.skipCurrentTag(parser); 8365c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn } 8375c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn } 8385c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn 839def1537e9e8d0dd190cde5310ddae8b921088c9bDianne Hackborn if (curBundle.size() > 0) { 840def1537e9e8d0dd190cde5310ddae8b921088c9bDianne Hackborn header.fragmentArguments = curBundle; 841def1537e9e8d0dd190cde5310ddae8b921088c9bDianne Hackborn curBundle = null; 842def1537e9e8d0dd190cde5310ddae8b921088c9bDianne Hackborn } 843b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 844def1537e9e8d0dd190cde5310ddae8b921088c9bDianne Hackborn target.add(header); 845b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn } else { 846b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn XmlUtils.skipCurrentTag(parser); 847b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn } 848b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn } 849b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 850b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn } catch (XmlPullParserException e) { 851b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn throw new RuntimeException("Error parsing headers", e); 852b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn } catch (IOException e) { 853b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn throw new RuntimeException("Error parsing headers", e); 854b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn } finally { 855b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn if (parser != null) parser.close(); 856b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn } 85719ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng 8589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8605c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn /** 8615c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn * Set a footer that should be shown at the bottom of the header list. 8625c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn */ 8635c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn public void setListFooter(View view) { 8645c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn mListFooter.removeAllViews(); 8655c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn mListFooter.addView(view, new FrameLayout.LayoutParams( 8665c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn FrameLayout.LayoutParams.MATCH_PARENT, 8675c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn FrameLayout.LayoutParams.WRAP_CONTENT)); 8685c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn } 8695c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn 8709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 8719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void onStop() { 8729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.onStop(); 87319ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng 874b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn if (mPreferenceManager != null) { 875b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn mPreferenceManager.dispatchActivityStop(); 876b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn } 8779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 8809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void onDestroy() { 8819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.onDestroy(); 882b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 883b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn if (mPreferenceManager != null) { 884b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn mPreferenceManager.dispatchActivityDestroy(); 885b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn } 8869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 8899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void onSaveInstanceState(Bundle outState) { 8909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.onSaveInstanceState(outState); 8919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 892a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn if (mHeaders.size() > 0) { 893a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn outState.putParcelableArrayList(HEADERS_TAG, mHeaders); 894a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn if (mCurHeader != null) { 895a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn int index = mHeaders.indexOf(mCurHeader); 896a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn if (index >= 0) { 897a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn outState.putInt(CUR_HEADER_TAG, index); 898a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } 899a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } 900a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } 901a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn 902b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn if (mPreferenceManager != null) { 903b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn final PreferenceScreen preferenceScreen = getPreferenceScreen(); 904b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn if (preferenceScreen != null) { 905b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn Bundle container = new Bundle(); 906b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn preferenceScreen.saveHierarchyState(container); 907b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn outState.putBundle(PREFERENCES_TAG, container); 908b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn } 9099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 9139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void onRestoreInstanceState(Bundle state) { 914b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn if (mPreferenceManager != null) { 915b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn Bundle container = state.getBundle(PREFERENCES_TAG); 916b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn if (container != null) { 917b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn final PreferenceScreen preferenceScreen = getPreferenceScreen(); 918b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn if (preferenceScreen != null) { 919b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn preferenceScreen.restoreHierarchyState(container); 920b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn mSavedInstanceState = state; 921b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn return; 922b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn } 9239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 925e7fea45863afb10335cb7845aebcf2907d3c3e41Adam Powell 926e7fea45863afb10335cb7845aebcf2907d3c3e41Adam Powell // Only call this if we didn't save the instance state for later. 927e7fea45863afb10335cb7845aebcf2907d3c3e41Adam Powell // If we did save it, it will be restored when we bind the adapter. 928e7fea45863afb10335cb7845aebcf2907d3c3e41Adam Powell super.onRestoreInstanceState(state); 9299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 9329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void onActivityResult(int requestCode, int resultCode, Intent data) { 9339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.onActivityResult(requestCode, resultCode, data); 93419ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng 935b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn if (mPreferenceManager != null) { 936b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn mPreferenceManager.dispatchActivityResult(requestCode, resultCode, data); 937b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn } 9389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 9419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void onContentChanged() { 9429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.onContentChanged(); 943b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 944b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn if (mPreferenceManager != null) { 945b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn postBindPreferences(); 946b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn } 947b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn } 948b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 949b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn @Override 950b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn protected void onListItemClick(ListView l, View v, int position, long id) { 951b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn super.onListItemClick(l, v, position, id); 952b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 953b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn if (mAdapter != null) { 954b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn onHeaderClick(mHeaders.get(position), position); 955b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn } 956b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn } 957b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 958b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn /** 959b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * Called when the user selects an item in the header list. The default 960e72f237defd9956a7e2d2e2bee8cd2558c3f83dbDianne Hackborn * implementation will call either 961e72f237defd9956a7e2d2e2bee8cd2558c3f83dbDianne Hackborn * {@link #startWithFragment(String, Bundle, Fragment, int, int, int)} 962a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn * or {@link #switchToHeader(Header)} as appropriate. 963b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * 964b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * @param header The header that was selected. 965b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * @param position The header's position in the list. 966b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn */ 967b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn public void onHeaderClick(Header header, int position) { 9685c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn if (header.fragment != null) { 9695c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn if (mSinglePane) { 970e72f237defd9956a7e2d2e2bee8cd2558c3f83dbDianne Hackborn int titleRes = header.breadCrumbTitleRes; 971e72f237defd9956a7e2d2e2bee8cd2558c3f83dbDianne Hackborn int shortTitleRes = header.breadCrumbShortTitleRes; 972e72f237defd9956a7e2d2e2bee8cd2558c3f83dbDianne Hackborn if (titleRes == 0) { 973e72f237defd9956a7e2d2e2bee8cd2558c3f83dbDianne Hackborn titleRes = header.titleRes; 974e72f237defd9956a7e2d2e2bee8cd2558c3f83dbDianne Hackborn shortTitleRes = 0; 975e72f237defd9956a7e2d2e2bee8cd2558c3f83dbDianne Hackborn } 976e72f237defd9956a7e2d2e2bee8cd2558c3f83dbDianne Hackborn startWithFragment(header.fragment, header.fragmentArguments, null, 0, 977e72f237defd9956a7e2d2e2bee8cd2558c3f83dbDianne Hackborn titleRes, shortTitleRes); 9785c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn } else { 979a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn switchToHeader(header); 9805c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn } 9815c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn } else if (header.intent != null) { 9825c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn startActivity(header.intent); 983b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn } 984b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn } 985b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 986b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn /** 987e72f237defd9956a7e2d2e2bee8cd2558c3f83dbDianne Hackborn * Called by {@link #startWithFragment(String, Bundle, Fragment, int, int, int)} when 988b1a6e439f63e4fa2b07a4905f00b6badf58e6420Dianne Hackborn * in single-pane mode, to build an Intent to launch a new activity showing 989b1a6e439f63e4fa2b07a4905f00b6badf58e6420Dianne Hackborn * the selected fragment. The default implementation constructs an Intent 990b1a6e439f63e4fa2b07a4905f00b6badf58e6420Dianne Hackborn * that re-launches the current activity with the appropriate arguments to 991b1a6e439f63e4fa2b07a4905f00b6badf58e6420Dianne Hackborn * display the fragment. 992b1a6e439f63e4fa2b07a4905f00b6badf58e6420Dianne Hackborn * 993b1a6e439f63e4fa2b07a4905f00b6badf58e6420Dianne Hackborn * @param fragmentName The name of the fragment to display. 994b1a6e439f63e4fa2b07a4905f00b6badf58e6420Dianne Hackborn * @param args Optional arguments to supply to the fragment. 995e72f237defd9956a7e2d2e2bee8cd2558c3f83dbDianne Hackborn * @param titleRes Optional resource ID of title to show for this item. 996e72f237defd9956a7e2d2e2bee8cd2558c3f83dbDianne Hackborn * @param titleRes Optional resource ID of short title to show for this item. 997b1a6e439f63e4fa2b07a4905f00b6badf58e6420Dianne Hackborn * @return Returns an Intent that can be launched to display the given 998b1a6e439f63e4fa2b07a4905f00b6badf58e6420Dianne Hackborn * fragment. 999b1a6e439f63e4fa2b07a4905f00b6badf58e6420Dianne Hackborn */ 1000e72f237defd9956a7e2d2e2bee8cd2558c3f83dbDianne Hackborn public Intent onBuildStartFragmentIntent(String fragmentName, Bundle args, 1001e72f237defd9956a7e2d2e2bee8cd2558c3f83dbDianne Hackborn int titleRes, int shortTitleRes) { 1002b1a6e439f63e4fa2b07a4905f00b6badf58e6420Dianne Hackborn Intent intent = new Intent(Intent.ACTION_MAIN); 1003b1a6e439f63e4fa2b07a4905f00b6badf58e6420Dianne Hackborn intent.setClass(this, getClass()); 1004b1a6e439f63e4fa2b07a4905f00b6badf58e6420Dianne Hackborn intent.putExtra(EXTRA_SHOW_FRAGMENT, fragmentName); 1005b1a6e439f63e4fa2b07a4905f00b6badf58e6420Dianne Hackborn intent.putExtra(EXTRA_SHOW_FRAGMENT_ARGUMENTS, args); 1006e72f237defd9956a7e2d2e2bee8cd2558c3f83dbDianne Hackborn intent.putExtra(EXTRA_SHOW_FRAGMENT_TITLE, titleRes); 1007e72f237defd9956a7e2d2e2bee8cd2558c3f83dbDianne Hackborn intent.putExtra(EXTRA_SHOW_FRAGMENT_SHORT_TITLE, shortTitleRes); 1008b1a6e439f63e4fa2b07a4905f00b6badf58e6420Dianne Hackborn intent.putExtra(EXTRA_NO_HEADERS, true); 1009b1a6e439f63e4fa2b07a4905f00b6badf58e6420Dianne Hackborn return intent; 1010b1a6e439f63e4fa2b07a4905f00b6badf58e6420Dianne Hackborn } 1011b1a6e439f63e4fa2b07a4905f00b6badf58e6420Dianne Hackborn 1012b1a6e439f63e4fa2b07a4905f00b6badf58e6420Dianne Hackborn /** 1013e72f237defd9956a7e2d2e2bee8cd2558c3f83dbDianne Hackborn * Like {@link #startWithFragment(String, Bundle, Fragment, int, int, int)} 1014e72f237defd9956a7e2d2e2bee8cd2558c3f83dbDianne Hackborn * but uses a 0 titleRes. 1015e72f237defd9956a7e2d2e2bee8cd2558c3f83dbDianne Hackborn */ 1016e72f237defd9956a7e2d2e2bee8cd2558c3f83dbDianne Hackborn public void startWithFragment(String fragmentName, Bundle args, 1017e72f237defd9956a7e2d2e2bee8cd2558c3f83dbDianne Hackborn Fragment resultTo, int resultRequestCode) { 1018e72f237defd9956a7e2d2e2bee8cd2558c3f83dbDianne Hackborn startWithFragment(fragmentName, args, resultTo, resultRequestCode, 0, 0); 1019e72f237defd9956a7e2d2e2bee8cd2558c3f83dbDianne Hackborn } 1020e72f237defd9956a7e2d2e2bee8cd2558c3f83dbDianne Hackborn 1021e72f237defd9956a7e2d2e2bee8cd2558c3f83dbDianne Hackborn /** 1022b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * Start a new instance of this activity, showing only the given 1023b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * preference fragment. When launched in this mode, the header list 1024b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * will be hidden and the given preference fragment will be instantiated 1025b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * and fill the entire activity. 1026b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * 1027b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * @param fragmentName The name of the fragment to display. 1028b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn * @param args Optional arguments to supply to the fragment. 1029b1a6e439f63e4fa2b07a4905f00b6badf58e6420Dianne Hackborn * @param resultTo Option fragment that should receive the result of 1030b1a6e439f63e4fa2b07a4905f00b6badf58e6420Dianne Hackborn * the activity launch. 1031b1a6e439f63e4fa2b07a4905f00b6badf58e6420Dianne Hackborn * @param resultRequestCode If resultTo is non-null, this is the request 1032b1a6e439f63e4fa2b07a4905f00b6badf58e6420Dianne Hackborn * code in which to report the result. 1033e72f237defd9956a7e2d2e2bee8cd2558c3f83dbDianne Hackborn * @param titleRes Resource ID of string to display for the title of 1034e72f237defd9956a7e2d2e2bee8cd2558c3f83dbDianne Hackborn * this set of preferences. 1035e72f237defd9956a7e2d2e2bee8cd2558c3f83dbDianne Hackborn * @param titleRes Resource ID of string to display for the short title of 1036e72f237defd9956a7e2d2e2bee8cd2558c3f83dbDianne Hackborn * this set of preferences. 1037b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn */ 10388eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn public void startWithFragment(String fragmentName, Bundle args, 1039e72f237defd9956a7e2d2e2bee8cd2558c3f83dbDianne Hackborn Fragment resultTo, int resultRequestCode, int titleRes, int shortTitleRes) { 1040e72f237defd9956a7e2d2e2bee8cd2558c3f83dbDianne Hackborn Intent intent = onBuildStartFragmentIntent(fragmentName, args, titleRes, shortTitleRes); 10418eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn if (resultTo == null) { 10428eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn startActivity(intent); 10438eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn } else { 10448eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn resultTo.startActivityForResult(intent, resultRequestCode); 10458eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn } 1046b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn } 1047b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 1048c6669ca63299219d815464129dac051ab2404286Dianne Hackborn /** 1049c6669ca63299219d815464129dac051ab2404286Dianne Hackborn * Change the base title of the bread crumbs for the current preferences. 1050c6669ca63299219d815464129dac051ab2404286Dianne Hackborn * This will normally be called for you. See 1051c6669ca63299219d815464129dac051ab2404286Dianne Hackborn * {@link android.app.FragmentBreadCrumbs} for more information. 1052c6669ca63299219d815464129dac051ab2404286Dianne Hackborn */ 1053c6669ca63299219d815464129dac051ab2404286Dianne Hackborn public void showBreadCrumbs(CharSequence title, CharSequence shortTitle) { 1054c6669ca63299219d815464129dac051ab2404286Dianne Hackborn if (mFragmentBreadCrumbs == null) { 10553e86040439d030e44eca4da81d0217046fcac55cAmith Yamasani View crumbs = findViewById(android.R.id.title); 10563e86040439d030e44eca4da81d0217046fcac55cAmith Yamasani // For screens with a different kind of title, don't create breadcrumbs. 1057e72f237defd9956a7e2d2e2bee8cd2558c3f83dbDianne Hackborn try { 1058e72f237defd9956a7e2d2e2bee8cd2558c3f83dbDianne Hackborn mFragmentBreadCrumbs = (FragmentBreadCrumbs)crumbs; 1059e72f237defd9956a7e2d2e2bee8cd2558c3f83dbDianne Hackborn } catch (ClassCastException e) { 1060e72f237defd9956a7e2d2e2bee8cd2558c3f83dbDianne Hackborn return; 1061e72f237defd9956a7e2d2e2bee8cd2558c3f83dbDianne Hackborn } 10623c9f519f898f8fc809550199ea823c0225c682a8Amith Yamasani if (mFragmentBreadCrumbs == null) { 1063e72f237defd9956a7e2d2e2bee8cd2558c3f83dbDianne Hackborn if (title != null) { 1064e72f237defd9956a7e2d2e2bee8cd2558c3f83dbDianne Hackborn setTitle(title); 10653c9f519f898f8fc809550199ea823c0225c682a8Amith Yamasani } 1066e72f237defd9956a7e2d2e2bee8cd2558c3f83dbDianne Hackborn return; 1067c57406cdfa1925c3474e87865c51950b76ee0347Jim Miller } 10683c9f519f898f8fc809550199ea823c0225c682a8Amith Yamasani mFragmentBreadCrumbs.setMaxVisible(2); 10693c9f519f898f8fc809550199ea823c0225c682a8Amith Yamasani mFragmentBreadCrumbs.setActivity(this); 1070c6669ca63299219d815464129dac051ab2404286Dianne Hackborn } 1071c6669ca63299219d815464129dac051ab2404286Dianne Hackborn mFragmentBreadCrumbs.setTitle(title, shortTitle); 1072c9ecb73ccdab767e7904232d46b660fdd7a9aad7Amith Yamasani mFragmentBreadCrumbs.setParentTitle(null, null, null); 1073c9ecb73ccdab767e7904232d46b660fdd7a9aad7Amith Yamasani } 1074c9ecb73ccdab767e7904232d46b660fdd7a9aad7Amith Yamasani 1075c9ecb73ccdab767e7904232d46b660fdd7a9aad7Amith Yamasani /** 1076c9ecb73ccdab767e7904232d46b660fdd7a9aad7Amith Yamasani * Should be called after onCreate to ensure that the breadcrumbs, if any, were created. 1077c9ecb73ccdab767e7904232d46b660fdd7a9aad7Amith Yamasani * This prepends a title to the fragment breadcrumbs and attaches a listener to any clicks 1078c9ecb73ccdab767e7904232d46b660fdd7a9aad7Amith Yamasani * on the parent entry. 1079c9ecb73ccdab767e7904232d46b660fdd7a9aad7Amith Yamasani * @param title the title for the breadcrumb 1080c9ecb73ccdab767e7904232d46b660fdd7a9aad7Amith Yamasani * @param shortTitle the short title for the breadcrumb 1081c9ecb73ccdab767e7904232d46b660fdd7a9aad7Amith Yamasani */ 1082c9ecb73ccdab767e7904232d46b660fdd7a9aad7Amith Yamasani public void setParentTitle(CharSequence title, CharSequence shortTitle, 1083c9ecb73ccdab767e7904232d46b660fdd7a9aad7Amith Yamasani OnClickListener listener) { 1084c9ecb73ccdab767e7904232d46b660fdd7a9aad7Amith Yamasani if (mFragmentBreadCrumbs != null) { 1085c9ecb73ccdab767e7904232d46b660fdd7a9aad7Amith Yamasani mFragmentBreadCrumbs.setParentTitle(title, shortTitle, listener); 1086c9ecb73ccdab767e7904232d46b660fdd7a9aad7Amith Yamasani } 1087c6669ca63299219d815464129dac051ab2404286Dianne Hackborn } 1088c6669ca63299219d815464129dac051ab2404286Dianne Hackborn 1089a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn void setSelectedHeader(Header header) { 1090a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn mCurHeader = header; 1091a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn int index = mHeaders.indexOf(header); 1092a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn if (index >= 0) { 1093a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn getListView().setItemChecked(index, true); 1094a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } else { 1095a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn getListView().clearChoices(); 1096a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } 1097c6669ca63299219d815464129dac051ab2404286Dianne Hackborn if (header != null) { 109850ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn CharSequence title = header.getBreadCrumbTitle(getResources()); 109950ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn if (title == null) title = header.getTitle(getResources()); 1100c6669ca63299219d815464129dac051ab2404286Dianne Hackborn if (title == null) title = getTitle(); 110150ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn showBreadCrumbs(title, header.getBreadCrumbShortTitle(getResources())); 1102c6669ca63299219d815464129dac051ab2404286Dianne Hackborn } else { 1103c6669ca63299219d815464129dac051ab2404286Dianne Hackborn showBreadCrumbs(getTitle(), null); 1104c6669ca63299219d815464129dac051ab2404286Dianne Hackborn } 1105c6669ca63299219d815464129dac051ab2404286Dianne Hackborn } 1106c6669ca63299219d815464129dac051ab2404286Dianne Hackborn 1107f5cbaeda148aa80470d4100d51e3fb3975843ef2Amith Yamasani private void switchToHeaderInner(String fragmentName, Bundle args, int direction) { 11083a57fb9e9c4f205ca6bd4f036b3080f92588d16dDianne Hackborn getFragmentManager().popBackStack(BACK_STACK_PREFS, 11093a57fb9e9c4f205ca6bd4f036b3080f92588d16dDianne Hackborn FragmentManager.POP_BACK_STACK_INCLUSIVE); 1110c6669ca63299219d815464129dac051ab2404286Dianne Hackborn Fragment f = Fragment.instantiate(this, fragmentName, args); 111148e7b458694acdf3a4fc58e62437f1dbc4f29d83Dianne Hackborn FragmentTransaction transaction = getFragmentManager().beginTransaction(); 1112327fbd2c8fa294b919475feb4c74a74ee1981e02Dianne Hackborn transaction.setTransition(FragmentTransaction.TRANSIT_FRAGMENT_FADE); 11139ff82bf2b33513052500473d0d6d025a80dcecbfChet Haase transaction.replace(com.android.internal.R.id.prefs, f); 1114cf407ad88bef3bc640489b300f23eaa8ea0b724eDianne Hackborn transaction.commitAllowingStateLoss(); 1115a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } 1116a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn 1117b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn /** 1118b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * When in two-pane mode, switch the fragment pane to show the given 1119b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * preference fragment. 1120b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * 1121b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * @param fragmentName The name of the fragment to display. 1122b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn * @param args Optional arguments to supply to the fragment. 1123b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn */ 1124b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn public void switchToHeader(String fragmentName, Bundle args) { 1125a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn setSelectedHeader(null); 1126f5cbaeda148aa80470d4100d51e3fb3975843ef2Amith Yamasani switchToHeaderInner(fragmentName, args, 0); 11279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1129aa904f48cf3e3a31cc43806fee0e17af607c7faeAndrew Stadler /** 1130a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn * When in two-pane mode, switch to the fragment pane to show the given 1131a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn * preference fragment. 1132a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn * 1133a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn * @param header The new header to display. 1134a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn */ 1135a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn public void switchToHeader(Header header) { 11368eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn if (mCurHeader == header) { 11378eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn // This is the header we are currently displaying. Just make sure 11388eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn // to pop the stack up to its root state. 11393a57fb9e9c4f205ca6bd4f036b3080f92588d16dDianne Hackborn getFragmentManager().popBackStack(BACK_STACK_PREFS, 11403a57fb9e9c4f205ca6bd4f036b3080f92588d16dDianne Hackborn FragmentManager.POP_BACK_STACK_INCLUSIVE); 11418eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn } else { 11428eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn int direction = mHeaders.indexOf(header) - mHeaders.indexOf(mCurHeader); 11438eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn switchToHeaderInner(header.fragment, header.fragmentArguments, direction); 11448eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn setSelectedHeader(header); 11458eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn } 1146a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } 1147a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn 1148a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn Header findBestMatchingHeader(Header cur, ArrayList<Header> from) { 1149a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn ArrayList<Header> matches = new ArrayList<Header>(); 1150a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn for (int j=0; j<from.size(); j++) { 1151a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn Header oh = from.get(j); 1152a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn if (cur == oh || (cur.id != HEADER_ID_UNDEFINED && cur.id == oh.id)) { 1153a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn // Must be this one. 1154a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn matches.clear(); 1155a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn matches.add(oh); 1156a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn break; 1157a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } 1158a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn if (cur.fragment != null) { 1159a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn if (cur.fragment.equals(oh.fragment)) { 1160a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn matches.add(oh); 1161a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } 1162a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } else if (cur.intent != null) { 1163a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn if (cur.intent.equals(oh.intent)) { 1164a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn matches.add(oh); 1165a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } 1166a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } else if (cur.title != null) { 1167a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn if (cur.title.equals(oh.title)) { 1168a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn matches.add(oh); 1169a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } 1170a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } 1171a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } 1172a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn final int NM = matches.size(); 1173a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn if (NM == 1) { 1174a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn return matches.get(0); 1175a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } else if (NM > 1) { 1176a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn for (int j=0; j<NM; j++) { 1177a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn Header oh = matches.get(j); 1178a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn if (cur.fragmentArguments != null && 1179a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn cur.fragmentArguments.equals(oh.fragmentArguments)) { 1180a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn return oh; 1181a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } 1182a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn if (cur.extras != null && cur.extras.equals(oh.extras)) { 1183a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn return oh; 1184a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } 1185a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn if (cur.title != null && cur.title.equals(oh.title)) { 1186a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn return oh; 1187a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } 1188a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } 1189a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } 1190a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn return null; 1191a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } 1192a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn 1193a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn /** 1194aa904f48cf3e3a31cc43806fee0e17af607c7faeAndrew Stadler * Start a new fragment. 1195aa904f48cf3e3a31cc43806fee0e17af607c7faeAndrew Stadler * 1196aa904f48cf3e3a31cc43806fee0e17af607c7faeAndrew Stadler * @param fragment The fragment to start 1197aa904f48cf3e3a31cc43806fee0e17af607c7faeAndrew Stadler * @param push If true, the current fragment will be pushed onto the back stack. If false, 1198aa904f48cf3e3a31cc43806fee0e17af607c7faeAndrew Stadler * the current fragment will be replaced. 1199aa904f48cf3e3a31cc43806fee0e17af607c7faeAndrew Stadler */ 1200aa904f48cf3e3a31cc43806fee0e17af607c7faeAndrew Stadler public void startPreferenceFragment(Fragment fragment, boolean push) { 120148e7b458694acdf3a4fc58e62437f1dbc4f29d83Dianne Hackborn FragmentTransaction transaction = getFragmentManager().beginTransaction(); 12028eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn transaction.replace(com.android.internal.R.id.prefs, fragment); 1203aa904f48cf3e3a31cc43806fee0e17af607c7faeAndrew Stadler if (push) { 12049ff82bf2b33513052500473d0d6d025a80dcecbfChet Haase transaction.setTransition(FragmentTransaction.TRANSIT_FRAGMENT_OPEN); 1205aa904f48cf3e3a31cc43806fee0e17af607c7faeAndrew Stadler transaction.addToBackStack(BACK_STACK_PREFS); 12069ff82bf2b33513052500473d0d6d025a80dcecbfChet Haase } else { 1207327fbd2c8fa294b919475feb4c74a74ee1981e02Dianne Hackborn transaction.setTransition(FragmentTransaction.TRANSIT_FRAGMENT_FADE); 1208aa904f48cf3e3a31cc43806fee0e17af607c7faeAndrew Stadler } 1209cf407ad88bef3bc640489b300f23eaa8ea0b724eDianne Hackborn transaction.commitAllowingStateLoss(); 1210aa904f48cf3e3a31cc43806fee0e17af607c7faeAndrew Stadler } 1211aa904f48cf3e3a31cc43806fee0e17af607c7faeAndrew Stadler 1212c6669ca63299219d815464129dac051ab2404286Dianne Hackborn /** 12138eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn * Start a new fragment containing a preference panel. If the prefences 12148eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn * are being displayed in multi-pane mode, the given fragment class will 12158eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn * be instantiated and placed in the appropriate pane. If running in 12168eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn * single-pane mode, a new activity will be launched in which to show the 12178eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn * fragment. 12188eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn * 12198eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn * @param fragmentClass Full name of the class implementing the fragment. 12208eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn * @param args Any desired arguments to supply to the fragment. 12218eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn * @param titleRes Optional resource identifier of the title of this 12228eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn * fragment. 12238eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn * @param titleText Optional text of the title of this fragment. 12248eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn * @param resultTo Optional fragment that result data should be sent to. 12258eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn * If non-null, resultTo.onActivityResult() will be called when this 12268eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn * preference panel is done. The launched panel must use 12278eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn * {@link #finishPreferencePanel(Fragment, int, Intent)} when done. 12288eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn * @param resultRequestCode If resultTo is non-null, this is the caller's 12298eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn * request code to be received with the resut. 1230c6669ca63299219d815464129dac051ab2404286Dianne Hackborn */ 12318eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn public void startPreferencePanel(String fragmentClass, Bundle args, int titleRes, 12328eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn CharSequence titleText, Fragment resultTo, int resultRequestCode) { 12338eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn if (mSinglePane) { 1234e72f237defd9956a7e2d2e2bee8cd2558c3f83dbDianne Hackborn startWithFragment(fragmentClass, args, resultTo, resultRequestCode, titleRes, 0); 12358eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn } else { 12368eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn Fragment f = Fragment.instantiate(this, fragmentClass, args); 12378eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn if (resultTo != null) { 12388eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn f.setTargetFragment(resultTo, resultRequestCode); 12398eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn } 124048e7b458694acdf3a4fc58e62437f1dbc4f29d83Dianne Hackborn FragmentTransaction transaction = getFragmentManager().beginTransaction(); 12418eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn transaction.replace(com.android.internal.R.id.prefs, f); 12428eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn if (titleRes != 0) { 12438eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn transaction.setBreadCrumbTitle(titleRes); 12448eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn } else if (titleText != null) { 12458eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn transaction.setBreadCrumbTitle(titleText); 12468eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn } 12478eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn transaction.setTransition(FragmentTransaction.TRANSIT_FRAGMENT_OPEN); 12488eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn transaction.addToBackStack(BACK_STACK_PREFS); 1249cf407ad88bef3bc640489b300f23eaa8ea0b724eDianne Hackborn transaction.commitAllowingStateLoss(); 12508eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn } 1251c6669ca63299219d815464129dac051ab2404286Dianne Hackborn } 12528eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn 12538eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn /** 12548eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn * Called by a preference panel fragment to finish itself. 12558eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn * 12568eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn * @param caller The fragment that is asking to be finished. 12578eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn * @param resultCode Optional result code to send back to the original 12588eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn * launching fragment. 12598eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn * @param resultData Optional result data to send back to the original 12608eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn * launching fragment. 12618eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn */ 12628eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn public void finishPreferencePanel(Fragment caller, int resultCode, Intent resultData) { 12638eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn if (mSinglePane) { 12648eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn setResult(resultCode, resultData); 12658eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn finish(); 12668eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn } else { 12673a57fb9e9c4f205ca6bd4f036b3080f92588d16dDianne Hackborn // XXX be smarter about popping the stack. 12683a57fb9e9c4f205ca6bd4f036b3080f92588d16dDianne Hackborn onBackPressed(); 12698eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn if (caller != null) { 12708eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn if (caller.getTargetFragment() != null) { 12718eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn caller.getTargetFragment().onActivityResult(caller.getTargetRequestCode(), 12728eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn resultCode, resultData); 12738eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn } 12748eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn } 12758eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn } 12768eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn } 12778eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn 1278b3cf10ffa8ff9cac0da8b23a0d84076b3f501400Dianne Hackborn @Override 1279b3cf10ffa8ff9cac0da8b23a0d84076b3f501400Dianne Hackborn public boolean onPreferenceStartFragment(PreferenceFragment caller, Preference pref) { 1280e72f237defd9956a7e2d2e2bee8cd2558c3f83dbDianne Hackborn startPreferencePanel(pref.getFragment(), pref.getExtras(), pref.getTitleRes(), 1281e72f237defd9956a7e2d2e2bee8cd2558c3f83dbDianne Hackborn pref.getTitle(), null, 0); 1282b3cf10ffa8ff9cac0da8b23a0d84076b3f501400Dianne Hackborn return true; 1283b3cf10ffa8ff9cac0da8b23a0d84076b3f501400Dianne Hackborn } 1284b3cf10ffa8ff9cac0da8b23a0d84076b3f501400Dianne Hackborn 12859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 12869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Posts a message to bind the preferences to the list view. 12879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p> 12889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Binding late is preferred as any custom preference types created in 12899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link #onCreate(Bundle)} are able to have their views recycled. 12909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 12919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void postBindPreferences() { 12929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mHandler.hasMessages(MSG_BIND_PREFERENCES)) return; 12939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mHandler.obtainMessage(MSG_BIND_PREFERENCES).sendToTarget(); 12949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 129519ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng 12969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void bindPreferences() { 12979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final PreferenceScreen preferenceScreen = getPreferenceScreen(); 12989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (preferenceScreen != null) { 12999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project preferenceScreen.bind(getListView()); 1300e7fea45863afb10335cb7845aebcf2907d3c3e41Adam Powell if (mSavedInstanceState != null) { 1301e7fea45863afb10335cb7845aebcf2907d3c3e41Adam Powell super.onRestoreInstanceState(mSavedInstanceState); 1302e7fea45863afb10335cb7845aebcf2907d3c3e41Adam Powell mSavedInstanceState = null; 1303e7fea45863afb10335cb7845aebcf2907d3c3e41Adam Powell } 13049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 130619ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng 13079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 13089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the {@link PreferenceManager} used by this activity. 13099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return The {@link PreferenceManager}. 1310b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * 1311b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * @deprecated This function is not relevant for a modern fragment-based 1312b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * PreferenceActivity. 13139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1314b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn @Deprecated 13159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public PreferenceManager getPreferenceManager() { 13169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mPreferenceManager; 13179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 131819ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng 13199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void requirePreferenceManager() { 13209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mPreferenceManager == null) { 1321b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn if (mAdapter == null) { 1322b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn throw new RuntimeException("This should be called after super.onCreate."); 1323b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn } 1324b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn throw new RuntimeException( 1325b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn "Modern two-pane PreferenceActivity requires use of a PreferenceFragment"); 13269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 13309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the root of the preference hierarchy that this activity is showing. 133119ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng * 13329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param preferenceScreen The root {@link PreferenceScreen} of the preference hierarchy. 1333b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * 1334b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * @deprecated This function is not relevant for a modern fragment-based 1335b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * PreferenceActivity. 13369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1337b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn @Deprecated 13389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setPreferenceScreen(PreferenceScreen preferenceScreen) { 1339b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn requirePreferenceManager(); 1340b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 13419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mPreferenceManager.setPreferences(preferenceScreen) && preferenceScreen != null) { 13429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project postBindPreferences(); 13439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project CharSequence title = getPreferenceScreen().getTitle(); 13449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Set the title of the activity 13459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (title != null) { 13469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setTitle(title); 13479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 135019ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng 13519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 13529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Gets the root of the preference hierarchy that this activity is showing. 135319ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng * 13549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return The {@link PreferenceScreen} that is the root of the preference 13559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * hierarchy. 1356b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * 1357b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * @deprecated This function is not relevant for a modern fragment-based 1358b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * PreferenceActivity. 13599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1360b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn @Deprecated 13619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public PreferenceScreen getPreferenceScreen() { 1362b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn if (mPreferenceManager != null) { 1363b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn return mPreferenceManager.getPreferenceScreen(); 1364b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn } 1365b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn return null; 13669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 136719ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng 13689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 13699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Adds preferences from activities that match the given {@link Intent}. 137019ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng * 13719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param intent The {@link Intent} to query activities. 1372b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * 1373b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * @deprecated This function is not relevant for a modern fragment-based 1374b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * PreferenceActivity. 13759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1376b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn @Deprecated 13779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void addPreferencesFromIntent(Intent intent) { 13789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project requirePreferenceManager(); 137919ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng 13809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setPreferenceScreen(mPreferenceManager.inflateFromIntent(intent, getPreferenceScreen())); 13819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 138219ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng 13839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 13849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Inflates the given XML resource and adds the preference hierarchy to the current 13859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * preference hierarchy. 138619ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng * 13879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param preferencesResId The XML resource ID to inflate. 1388b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * 1389b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * @deprecated This function is not relevant for a modern fragment-based 1390b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * PreferenceActivity. 13919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1392b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn @Deprecated 13939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void addPreferencesFromResource(int preferencesResId) { 13949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project requirePreferenceManager(); 139519ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng 13969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setPreferenceScreen(mPreferenceManager.inflateFromResource(this, preferencesResId, 13979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project getPreferenceScreen())); 13989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 14019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@inheritDoc} 1402b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * 1403b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * @deprecated This function is not relevant for a modern fragment-based 1404b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * PreferenceActivity. 14059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1406b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn @Deprecated 14079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean onPreferenceTreeClick(PreferenceScreen preferenceScreen, Preference preference) { 14089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 14099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 141019ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng 14119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 14129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Finds a {@link Preference} based on its key. 141319ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng * 14149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param key The key of the preference to retrieve. 14159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return The {@link Preference} with the key, or null. 14169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see PreferenceGroup#findPreference(CharSequence) 1417b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * 1418b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * @deprecated This function is not relevant for a modern fragment-based 1419b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * PreferenceActivity. 14209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1421b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn @Deprecated 14229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Preference findPreference(CharSequence key) { 142319ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng 14249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mPreferenceManager == null) { 14259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return null; 14269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 142719ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng 14289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mPreferenceManager.findPreference(key); 14299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 14329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void onNewIntent(Intent intent) { 14339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mPreferenceManager != null) { 14349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPreferenceManager.dispatchNewIntent(intent); 14359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 143719ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng 143819ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng // give subclasses access to the Next button 143919ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng /** @hide */ 144019ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng protected boolean hasNextButton() { 144119ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng return mNextButton != null; 144219ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng } 144319ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng /** @hide */ 144419ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng protected Button getNextButton() { 144519ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng return mNextButton; 144619ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng } 14479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1448