PreferenceActivity.java revision 48e7b458694acdf3a4fc58e62437f1dbc4f29d83
19066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 29066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Copyright (C) 2007 The Android Open Source Project 39066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 49066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Licensed under the Apache License, Version 2.0 (the "License"); 59066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * you may not use this file except in compliance with the License. 69066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * You may obtain a copy of the License at 79066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 89066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * http://www.apache.org/licenses/LICENSE-2.0 99066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Unless required by applicable law or agreed to in writing, software 119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * distributed under the License is distributed on an "AS IS" BASIS, 129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * See the License for the specific language governing permissions and 149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * limitations under the License. 159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpackage android.preference; 189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackbornimport com.android.internal.util.XmlUtils; 20b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 21b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackbornimport org.xmlpull.v1.XmlPullParser; 22b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackbornimport org.xmlpull.v1.XmlPullParserException; 23b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 24c57406cdfa1925c3474e87865c51950b76ee0347Jim Millerimport android.app.ActionBar; 25b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackbornimport android.app.Fragment; 26c6669ca63299219d815464129dac051ab2404286Dianne Hackbornimport android.app.FragmentBreadCrumbs; 273a57fb9e9c4f205ca6bd4f036b3080f92588d16dDianne Hackbornimport android.app.FragmentManager; 28aa904f48cf3e3a31cc43806fee0e17af607c7faeAndrew Stadlerimport android.app.FragmentTransaction; 299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.app.ListActivity; 30b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackbornimport android.content.Context; 319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.content.Intent; 32b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackbornimport android.content.res.Configuration; 3350ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackbornimport android.content.res.Resources; 34b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackbornimport android.content.res.TypedArray; 35b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackbornimport android.content.res.XmlResourceParser; 369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.os.Bundle; 379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.os.Handler; 389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.os.Message; 39a21e3da55940e239addd80bf379091a1d85d006fDianne Hackbornimport android.os.Parcel; 40a21e3da55940e239addd80bf379091a1d85d006fDianne Hackbornimport android.os.Parcelable; 4119ea2e0d788810473136ceca46c1c28326daff5eFreeman Ngimport android.text.TextUtils; 42b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackbornimport android.util.AttributeSet; 4350ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackbornimport android.util.TypedValue; 44b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackbornimport android.util.Xml; 45b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackbornimport android.view.LayoutInflater; 469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.view.View; 4719ea2e0d788810473136ceca46c1c28326daff5eFreeman Ngimport android.view.View.OnClickListener; 48aa904f48cf3e3a31cc43806fee0e17af607c7faeAndrew Stadlerimport android.view.ViewGroup; 49a21e3da55940e239addd80bf379091a1d85d006fDianne Hackbornimport android.widget.AbsListView; 50b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackbornimport android.widget.ArrayAdapter; 5119ea2e0d788810473136ceca46c1c28326daff5eFreeman Ngimport android.widget.Button; 525c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackbornimport android.widget.FrameLayout; 53b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackbornimport android.widget.ImageView; 54b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackbornimport android.widget.ListView; 55b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackbornimport android.widget.TextView; 56b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 57b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackbornimport java.io.IOException; 58b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackbornimport java.util.ArrayList; 59b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackbornimport java.util.List; 609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 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}, 135b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn * this extra can also be specify 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 /** 142b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn * When starting this activity, the invoking Intent can contain this extra 143b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn * boolean that the header list should not be displayed. This is most often 144b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn * used in conjunction with {@link #EXTRA_SHOW_FRAGMENT} to launch 145b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn * the activity to display a specific fragment that the user has navigated 146b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn * to. 147b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn */ 148b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn public static final String EXTRA_NO_HEADERS = ":android:no_headers"; 149b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 150b3cf10ffa8ff9cac0da8b23a0d84076b3f501400Dianne Hackborn private static final String BACK_STACK_PREFS = ":android:prefs"; 151b3cf10ffa8ff9cac0da8b23a0d84076b3f501400Dianne Hackborn 15219ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng // extras that allow any preference activity to be launched as part of a wizard 15319ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng 15419ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng // show Back and Next buttons? takes boolean parameter 15519ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng // Back will then return RESULT_CANCELED and Next RESULT_OK 15619ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng private static final String EXTRA_PREFS_SHOW_BUTTON_BAR = "extra_prefs_show_button_bar"; 15719ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng 15809dbf1844016682ed461d080e32a43d0086e767dFreeman Ng // add a Skip button? 15909dbf1844016682ed461d080e32a43d0086e767dFreeman Ng private static final String EXTRA_PREFS_SHOW_SKIP = "extra_prefs_show_skip"; 16009dbf1844016682ed461d080e32a43d0086e767dFreeman Ng 16119ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng // specify custom text for the Back or Next buttons, or cause a button to not appear 16219ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng // at all by setting it to null 16319ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng private static final String EXTRA_PREFS_SET_NEXT_TEXT = "extra_prefs_set_next_text"; 16419ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng private static final String EXTRA_PREFS_SET_BACK_TEXT = "extra_prefs_set_back_text"; 16519ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng 166b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn // --- State for new mode when showing a list of headers + prefs fragment 167b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 168b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn private final ArrayList<Header> mHeaders = new ArrayList<Header>(); 169b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 170b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn private HeaderAdapter mAdapter; 171b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 1725c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn private FrameLayout mListFooter; 1735c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn 1743c9f519f898f8fc809550199ea823c0225c682a8Amith Yamasani private ViewGroup mPrefsContainer; 175b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 176c6669ca63299219d815464129dac051ab2404286Dianne Hackborn private FragmentBreadCrumbs mFragmentBreadCrumbs; 177c6669ca63299219d815464129dac051ab2404286Dianne Hackborn 178b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn private boolean mSinglePane; 179b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 180a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn private Header mCurHeader; 181a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn 182b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn // --- State for old mode when showing a single preference list 18319ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng 1849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private PreferenceManager mPreferenceManager; 18519ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng 186e7fea45863afb10335cb7845aebcf2907d3c3e41Adam Powell private Bundle mSavedInstanceState; 187e7fea45863afb10335cb7845aebcf2907d3c3e41Adam Powell 188b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn // --- Common state 189b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 190b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn private Button mNextButton; 191b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 1929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The starting request code given out to preference framework. 1949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int FIRST_REQUEST_CODE = 100; 19619ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng 1973e449ce00ed2d3b271e50bc7a52798f630973bf1Dianne Hackborn private static final int MSG_BIND_PREFERENCES = 1; 1983e449ce00ed2d3b271e50bc7a52798f630973bf1Dianne Hackborn private static final int MSG_BUILD_HEADERS = 2; 1999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private Handler mHandler = new Handler() { 2009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 2019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void handleMessage(Message msg) { 2029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project switch (msg.what) { 203a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn case MSG_BIND_PREFERENCES: { 2049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project bindPreferences(); 205a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } break; 206a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn case MSG_BUILD_HEADERS: { 207a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn ArrayList<Header> oldHeaders = new ArrayList<Header>(mHeaders); 208a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn mHeaders.clear(); 209b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn onBuildHeaders(mHeaders); 21083681eb6003d69f095547d10bdd96822e30432c2Andrew Stadler if (mAdapter != null) { 21183681eb6003d69f095547d10bdd96822e30432c2Andrew Stadler mAdapter.notifyDataSetChanged(); 21283681eb6003d69f095547d10bdd96822e30432c2Andrew Stadler } 2135c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn Header header = onGetNewHeader(); 2145c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn if (header != null && header.fragment != null) { 215a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn Header mappedHeader = findBestMatchingHeader(header, oldHeaders); 216a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn if (mappedHeader == null || mCurHeader != mappedHeader) { 217a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn switchToHeader(header); 218a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } 219a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } else if (mCurHeader != null) { 220a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn Header mappedHeader = findBestMatchingHeader(mCurHeader, mHeaders); 221a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn if (mappedHeader != null) { 222a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn setSelectedHeader(mappedHeader); 223a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } 2245c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn } 225a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } break; 2269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project }; 2299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 230468c3230dafc2d131bdeded7b5a6825988166244Andrew Stadler private static class HeaderAdapter extends ArrayAdapter<Header> { 231468c3230dafc2d131bdeded7b5a6825988166244Andrew Stadler private static class HeaderViewHolder { 232468c3230dafc2d131bdeded7b5a6825988166244Andrew Stadler ImageView icon; 233468c3230dafc2d131bdeded7b5a6825988166244Andrew Stadler TextView title; 234468c3230dafc2d131bdeded7b5a6825988166244Andrew Stadler TextView summary; 235468c3230dafc2d131bdeded7b5a6825988166244Andrew Stadler } 236b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 237b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn private LayoutInflater mInflater; 238b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 239b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn public HeaderAdapter(Context context, List<Header> objects) { 240b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn super(context, 0, objects); 241b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn mInflater = (LayoutInflater)context.getSystemService(Context.LAYOUT_INFLATER_SERVICE); 242b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn } 243b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 244b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn @Override 245b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn public View getView(int position, View convertView, ViewGroup parent) { 246b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn HeaderViewHolder holder; 247b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn View view; 248b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 249b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn if (convertView == null) { 250d0fa371f276fde32d81c037006941bc93da0bb03Dianne Hackborn view = mInflater.inflate(com.android.internal.R.layout.preference_header_item, 251b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn parent, false); 252b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn holder = new HeaderViewHolder(); 253468c3230dafc2d131bdeded7b5a6825988166244Andrew Stadler holder.icon = (ImageView) view.findViewById(com.android.internal.R.id.icon); 254468c3230dafc2d131bdeded7b5a6825988166244Andrew Stadler holder.title = (TextView) view.findViewById(com.android.internal.R.id.title); 255468c3230dafc2d131bdeded7b5a6825988166244Andrew Stadler holder.summary = (TextView) view.findViewById(com.android.internal.R.id.summary); 256b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn view.setTag(holder); 257b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn } else { 258b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn view = convertView; 259468c3230dafc2d131bdeded7b5a6825988166244Andrew Stadler holder = (HeaderViewHolder) view.getTag(); 260b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn } 261b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 262468c3230dafc2d131bdeded7b5a6825988166244Andrew Stadler // All view fields must be updated every time, because the view may be recycled 263b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn Header header = getItem(position); 264a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn holder.icon.setImageResource(header.iconRes); 26550ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn holder.title.setText(header.getTitle(getContext().getResources())); 26650ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn CharSequence summary = header.getSummary(getContext().getResources()); 26750ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn if (!TextUtils.isEmpty(summary)) { 268468c3230dafc2d131bdeded7b5a6825988166244Andrew Stadler holder.summary.setVisibility(View.VISIBLE); 26950ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn holder.summary.setText(summary); 27050ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn } else { 27150ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn holder.summary.setVisibility(View.GONE); 272468c3230dafc2d131bdeded7b5a6825988166244Andrew Stadler } 273b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 274b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn return view; 275b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn } 276b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn } 277b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 278b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn /** 279a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn * Default value for {@link Header#id Header.id} indicating that no 280a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn * identifier value is set. All other values (including those below -1) 281a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn * are valid. 282a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn */ 283a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn public static final long HEADER_ID_UNDEFINED = -1; 284a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn 285a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn /** 286b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * Description of a single Header item that the user can select. 287b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn */ 288a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn public static final class Header implements Parcelable { 289a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn /** 290a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn * Identifier for this header, to correlate with a new list when 291a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn * it is updated. The default value is 292a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn * {@link PreferenceActivity#HEADER_ID_UNDEFINED}, meaning no id. 293a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn * @attr ref android.R.styleable#PreferenceHeader_id 294a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn */ 295a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn public long id = HEADER_ID_UNDEFINED; 296a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn 297b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn /** 29850ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn * Resource ID of title of the header that is shown to the user. 29950ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn * @attr ref android.R.styleable#PreferenceHeader_title 30050ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn */ 30150ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn public int titleRes; 30250ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn 30350ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn /** 304b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * Title of the header that is shown to the user. 305b3cf10ffa8ff9cac0da8b23a0d84076b3f501400Dianne Hackborn * @attr ref android.R.styleable#PreferenceHeader_title 306b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn */ 307468c3230dafc2d131bdeded7b5a6825988166244Andrew Stadler public CharSequence title; 308b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 309b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn /** 31050ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn * Resource ID of optional summary describing what this header controls. 31150ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn * @attr ref android.R.styleable#PreferenceHeader_summary 31250ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn */ 31350ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn public int summaryRes; 31450ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn 31550ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn /** 316b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * Optional summary describing what this header controls. 317b3cf10ffa8ff9cac0da8b23a0d84076b3f501400Dianne Hackborn * @attr ref android.R.styleable#PreferenceHeader_summary 318b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn */ 319468c3230dafc2d131bdeded7b5a6825988166244Andrew Stadler public CharSequence summary; 320b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 321b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn /** 32250ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn * Resource ID of optional text to show as the title in the bread crumb. 32350ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn * @attr ref android.R.styleable#PreferenceHeader_breadCrumbTitle 32450ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn */ 32550ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn public int breadCrumbTitleRes; 32650ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn 32750ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn /** 328c6669ca63299219d815464129dac051ab2404286Dianne Hackborn * Optional text to show as the title in the bread crumb. 329c6669ca63299219d815464129dac051ab2404286Dianne Hackborn * @attr ref android.R.styleable#PreferenceHeader_breadCrumbTitle 330c6669ca63299219d815464129dac051ab2404286Dianne Hackborn */ 331c6669ca63299219d815464129dac051ab2404286Dianne Hackborn public CharSequence breadCrumbTitle; 332c6669ca63299219d815464129dac051ab2404286Dianne Hackborn 333c6669ca63299219d815464129dac051ab2404286Dianne Hackborn /** 33450ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn * Resource ID of optional text to show as the short title in the bread crumb. 33550ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn * @attr ref android.R.styleable#PreferenceHeader_breadCrumbShortTitle 33650ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn */ 33750ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn public int breadCrumbShortTitleRes; 33850ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn 33950ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn /** 340c6669ca63299219d815464129dac051ab2404286Dianne Hackborn * Optional text to show as the short title in the bread crumb. 341c6669ca63299219d815464129dac051ab2404286Dianne Hackborn * @attr ref android.R.styleable#PreferenceHeader_breadCrumbShortTitle 342c6669ca63299219d815464129dac051ab2404286Dianne Hackborn */ 343c6669ca63299219d815464129dac051ab2404286Dianne Hackborn public CharSequence breadCrumbShortTitle; 344c6669ca63299219d815464129dac051ab2404286Dianne Hackborn 345c6669ca63299219d815464129dac051ab2404286Dianne Hackborn /** 346b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * Optional icon resource to show for this header. 347b3cf10ffa8ff9cac0da8b23a0d84076b3f501400Dianne Hackborn * @attr ref android.R.styleable#PreferenceHeader_icon 348b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn */ 349468c3230dafc2d131bdeded7b5a6825988166244Andrew Stadler public int iconRes; 350b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 351b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn /** 352b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * Full class name of the fragment to display when this header is 353b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * selected. 354b3cf10ffa8ff9cac0da8b23a0d84076b3f501400Dianne Hackborn * @attr ref android.R.styleable#PreferenceHeader_fragment 355b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn */ 356468c3230dafc2d131bdeded7b5a6825988166244Andrew Stadler public String fragment; 357b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn 358b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn /** 359b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn * Optional arguments to supply to the fragment when it is 360b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn * instantiated. 361b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn */ 362468c3230dafc2d131bdeded7b5a6825988166244Andrew Stadler public Bundle fragmentArguments; 3635c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn 3645c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn /** 3655c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn * Intent to launch when the preference is selected. 3665c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn */ 3675c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn public Intent intent; 368a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn 369a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn /** 370a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn * Optional additional data for use by subclasses of PreferenceActivity. 371a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn */ 372a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn public Bundle extras; 373a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn 374a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn public Header() { 375a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } 376a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn 37750ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn /** 37850ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn * Return the currently set title. If {@link #titleRes} is set, 37950ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn * this resource is loaded from <var>res</var> and returned. Otherwise 38050ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn * {@link #title} is returned. 38150ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn */ 38250ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn public CharSequence getTitle(Resources res) { 38350ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn if (titleRes != 0) { 38450ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn return res.getText(titleRes); 38550ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn } 38650ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn return title; 38750ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn } 38850ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn 38950ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn /** 39050ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn * Return the currently set summary. If {@link #summaryRes} is set, 39150ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn * this resource is loaded from <var>res</var> and returned. Otherwise 39250ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn * {@link #summary} is returned. 39350ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn */ 39450ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn public CharSequence getSummary(Resources res) { 39550ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn if (summaryRes != 0) { 39650ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn return res.getText(summaryRes); 39750ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn } 3989d0718042f7c0a50d825c621f82ce9a92071f07aDianne Hackborn return summary; 39950ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn } 40050ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn 40150ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn /** 40250ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn * Return the currently set bread crumb title. If {@link #breadCrumbTitleRes} is set, 40350ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn * this resource is loaded from <var>res</var> and returned. Otherwise 40450ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn * {@link #breadCrumbTitle} is returned. 40550ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn */ 40650ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn public CharSequence getBreadCrumbTitle(Resources res) { 40750ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn if (breadCrumbTitleRes != 0) { 40850ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn return res.getText(breadCrumbTitleRes); 40950ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn } 41050ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn return breadCrumbTitle; 41150ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn } 41250ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn 41350ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn /** 41450ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn * Return the currently set bread crumb short title. If 41550ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn * {@link #breadCrumbShortTitleRes} is set, 41650ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn * this resource is loaded from <var>res</var> and returned. Otherwise 41750ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn * {@link #breadCrumbShortTitle} is returned. 41850ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn */ 41950ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn public CharSequence getBreadCrumbShortTitle(Resources res) { 42050ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn if (breadCrumbShortTitleRes != 0) { 42150ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn return res.getText(breadCrumbShortTitleRes); 42250ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn } 42350ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn return breadCrumbShortTitle; 42450ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn } 42550ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn 426a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn @Override 427a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn public int describeContents() { 428a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn return 0; 429a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } 430a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn 431a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn @Override 432a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn public void writeToParcel(Parcel dest, int flags) { 433a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn dest.writeLong(id); 43450ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn dest.writeInt(titleRes); 435a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn TextUtils.writeToParcel(title, dest, flags); 43650ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn dest.writeInt(summaryRes); 437a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn TextUtils.writeToParcel(summary, dest, flags); 43850ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn dest.writeInt(breadCrumbTitleRes); 439c6669ca63299219d815464129dac051ab2404286Dianne Hackborn TextUtils.writeToParcel(breadCrumbTitle, dest, flags); 44050ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn dest.writeInt(breadCrumbShortTitleRes); 441c6669ca63299219d815464129dac051ab2404286Dianne Hackborn TextUtils.writeToParcel(breadCrumbShortTitle, dest, flags); 442a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn dest.writeInt(iconRes); 443a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn dest.writeString(fragment); 444a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn dest.writeBundle(fragmentArguments); 445a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn if (intent != null) { 446a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn dest.writeInt(1); 447a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn intent.writeToParcel(dest, flags); 448a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } else { 449a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn dest.writeInt(0); 450a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } 451a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn dest.writeBundle(extras); 452a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } 453a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn 454a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn public void readFromParcel(Parcel in) { 455a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn id = in.readLong(); 45650ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn titleRes = in.readInt(); 457a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn title = TextUtils.CHAR_SEQUENCE_CREATOR.createFromParcel(in); 45850ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn summaryRes = in.readInt(); 459a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn summary = TextUtils.CHAR_SEQUENCE_CREATOR.createFromParcel(in); 46050ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn breadCrumbTitleRes = in.readInt(); 461c6669ca63299219d815464129dac051ab2404286Dianne Hackborn breadCrumbTitle = TextUtils.CHAR_SEQUENCE_CREATOR.createFromParcel(in); 46250ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn breadCrumbShortTitleRes = in.readInt(); 463c6669ca63299219d815464129dac051ab2404286Dianne Hackborn breadCrumbShortTitle = TextUtils.CHAR_SEQUENCE_CREATOR.createFromParcel(in); 464a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn iconRes = in.readInt(); 465a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn fragment = in.readString(); 466a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn fragmentArguments = in.readBundle(); 467a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn if (in.readInt() != 0) { 468a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn intent = Intent.CREATOR.createFromParcel(in); 469a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } 470a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn extras = in.readBundle(); 471a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } 472a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn 473a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn Header(Parcel in) { 474a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn readFromParcel(in); 475a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } 476a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn 477a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn public static final Creator<Header> CREATOR = new Creator<Header>() { 478a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn public Header createFromParcel(Parcel source) { 479a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn return new Header(source); 480a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } 481a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn public Header[] newArray(int size) { 482a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn return new Header[size]; 483a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } 484a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn }; 485b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn } 486b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 4879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 4889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void onCreate(Bundle savedInstanceState) { 4899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.onCreate(savedInstanceState); 4909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setContentView(com.android.internal.R.layout.preference_list_content); 49219ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng 4935c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn mListFooter = (FrameLayout)findViewById(com.android.internal.R.id.list_footer); 4943c9f519f898f8fc809550199ea823c0225c682a8Amith Yamasani mPrefsContainer = (ViewGroup) findViewById(com.android.internal.R.id.prefs_frame); 495b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn boolean hidingHeaders = onIsHidingHeaders(); 496b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn mSinglePane = hidingHeaders || !onIsMultiPane(); 497b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn String initialFragment = getIntent().getStringExtra(EXTRA_SHOW_FRAGMENT); 498b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn Bundle initialArguments = getIntent().getBundleExtra(EXTRA_SHOW_FRAGMENT_ARGUMENTS); 499b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 500a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn if (savedInstanceState != null) { 501a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn // We are restarting from a previous saved state; used that to 502a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn // initialize, instead of starting fresh. 503a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn ArrayList<Header> headers = savedInstanceState.getParcelableArrayList(HEADERS_TAG); 504a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn if (headers != null) { 505a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn mHeaders.addAll(headers); 506a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn int curHeader = savedInstanceState.getInt(CUR_HEADER_TAG, 507a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn (int)HEADER_ID_UNDEFINED); 508a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn if (curHeader >= 0 && curHeader < mHeaders.size()) { 509a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn setSelectedHeader(mHeaders.get(curHeader)); 510a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } 511a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } 512b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 513b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn } else { 514a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn if (initialFragment != null && mSinglePane) { 515a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn // If we are just showing a fragment, we want to run in 516a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn // new fragment mode, but don't need to compute and show 517a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn // the headers. 518a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn switchToHeader(initialFragment, initialArguments); 519a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn 520a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } else { 521a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn // We need to try to build the headers. 522a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn onBuildHeaders(mHeaders); 523a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn 524a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn // If there are headers, then at this point we need to show 525a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn // them and, depending on the screen, we may also show in-line 526a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn // the currently selected preference fragment. 527a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn if (mHeaders.size() > 0) { 528a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn if (!mSinglePane) { 529a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn if (initialFragment == null) { 530a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn Header h = onGetInitialHeader(); 531a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn switchToHeader(h); 532a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } else { 533a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn switchToHeader(initialFragment, initialArguments); 534a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } 535b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn } 536b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn } 537a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } 538a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } 539b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 540a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn // The default configuration is to only show the list view. Adjust 541a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn // visibility for other configurations. 542a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn if (initialFragment != null && mSinglePane) { 543a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn // Single pane, showing just a prefs fragment. 54405fbc31ed9c6ac13a7aeddc176f19a5c17217e30Amith Yamasani findViewById(com.android.internal.R.id.headers).setVisibility(View.GONE); 545a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn mPrefsContainer.setVisibility(View.VISIBLE); 546a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } else if (mHeaders.size() > 0) { 547a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn mAdapter = new HeaderAdapter(this, mHeaders); 548a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn setListAdapter(mAdapter); 549a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn if (!mSinglePane) { 550a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn // Multi-pane. 551a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn getListView().setChoiceMode(AbsListView.CHOICE_MODE_SINGLE); 552d0fa371f276fde32d81c037006941bc93da0bb03Dianne Hackborn if (mCurHeader != null) { 553d0fa371f276fde32d81c037006941bc93da0bb03Dianne Hackborn setSelectedHeader(mCurHeader); 554d0fa371f276fde32d81c037006941bc93da0bb03Dianne Hackborn } 555a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn mPrefsContainer.setVisibility(View.VISIBLE); 556a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } 557a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } else { 558b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn // If there are no headers, we are in the old "just show a screen 559b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn // of preferences" mode. 5608da35290693d404b482104abc5f696f6cfd58a2cAmith Yamasani setContentView(com.android.internal.R.layout.preference_list_content_single); 5618da35290693d404b482104abc5f696f6cfd58a2cAmith Yamasani mListFooter = (FrameLayout) findViewById(com.android.internal.R.id.list_footer); 5623c9f519f898f8fc809550199ea823c0225c682a8Amith Yamasani mPrefsContainer = (ViewGroup) findViewById(com.android.internal.R.id.prefs); 563a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn mPreferenceManager = new PreferenceManager(this, FIRST_REQUEST_CODE); 564a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn mPreferenceManager.setOnPreferenceTreeClickListener(this); 565b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn } 566b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 567b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn getListView().setScrollBarStyle(View.SCROLLBARS_INSIDE_OVERLAY); 568b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 56919ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng // see if we should show Back/Next buttons 57019ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng Intent intent = getIntent(); 57119ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng if (intent.getBooleanExtra(EXTRA_PREFS_SHOW_BUTTON_BAR, false)) { 57219ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng 57319ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng findViewById(com.android.internal.R.id.button_bar).setVisibility(View.VISIBLE); 57419ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng 57519ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng Button backButton = (Button)findViewById(com.android.internal.R.id.back_button); 57619ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng backButton.setOnClickListener(new OnClickListener() { 57719ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng public void onClick(View v) { 57819ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng setResult(RESULT_CANCELED); 57919ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng finish(); 58019ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng } 58119ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng }); 58209dbf1844016682ed461d080e32a43d0086e767dFreeman Ng Button skipButton = (Button)findViewById(com.android.internal.R.id.skip_button); 58309dbf1844016682ed461d080e32a43d0086e767dFreeman Ng skipButton.setOnClickListener(new OnClickListener() { 58409dbf1844016682ed461d080e32a43d0086e767dFreeman Ng public void onClick(View v) { 58509dbf1844016682ed461d080e32a43d0086e767dFreeman Ng setResult(RESULT_OK); 58609dbf1844016682ed461d080e32a43d0086e767dFreeman Ng finish(); 58709dbf1844016682ed461d080e32a43d0086e767dFreeman Ng } 58809dbf1844016682ed461d080e32a43d0086e767dFreeman Ng }); 58919ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng mNextButton = (Button)findViewById(com.android.internal.R.id.next_button); 59019ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng mNextButton.setOnClickListener(new OnClickListener() { 59119ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng public void onClick(View v) { 59219ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng setResult(RESULT_OK); 59319ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng finish(); 59419ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng } 59519ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng }); 59619ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng 59719ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng // set our various button parameters 59819ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng if (intent.hasExtra(EXTRA_PREFS_SET_NEXT_TEXT)) { 59919ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng String buttonText = intent.getStringExtra(EXTRA_PREFS_SET_NEXT_TEXT); 60019ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng if (TextUtils.isEmpty(buttonText)) { 60119ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng mNextButton.setVisibility(View.GONE); 60219ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng } 60319ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng else { 60419ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng mNextButton.setText(buttonText); 60519ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng } 60619ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng } 60719ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng if (intent.hasExtra(EXTRA_PREFS_SET_BACK_TEXT)) { 60819ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng String buttonText = intent.getStringExtra(EXTRA_PREFS_SET_BACK_TEXT); 60919ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng if (TextUtils.isEmpty(buttonText)) { 61019ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng backButton.setVisibility(View.GONE); 61119ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng } 61219ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng else { 61319ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng backButton.setText(buttonText); 61419ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng } 61519ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng } 61609dbf1844016682ed461d080e32a43d0086e767dFreeman Ng if (intent.getBooleanExtra(EXTRA_PREFS_SHOW_SKIP, false)) { 61709dbf1844016682ed461d080e32a43d0086e767dFreeman Ng skipButton.setVisibility(View.VISIBLE); 61809dbf1844016682ed461d080e32a43d0086e767dFreeman Ng } 61919ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng } 620b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn } 621b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 622b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn /** 623291905e34a7f0ae03c68fb2c1b8c34b92d447fbfDianne Hackborn * Returns true if this activity is currently showing the header list. 624291905e34a7f0ae03c68fb2c1b8c34b92d447fbfDianne Hackborn */ 625291905e34a7f0ae03c68fb2c1b8c34b92d447fbfDianne Hackborn public boolean hasHeaders() { 626291905e34a7f0ae03c68fb2c1b8c34b92d447fbfDianne Hackborn return getListView().getVisibility() == View.VISIBLE 627291905e34a7f0ae03c68fb2c1b8c34b92d447fbfDianne Hackborn && mPreferenceManager == null; 628291905e34a7f0ae03c68fb2c1b8c34b92d447fbfDianne Hackborn } 629291905e34a7f0ae03c68fb2c1b8c34b92d447fbfDianne Hackborn 630291905e34a7f0ae03c68fb2c1b8c34b92d447fbfDianne Hackborn /** 631291905e34a7f0ae03c68fb2c1b8c34b92d447fbfDianne Hackborn * Returns true if this activity is showing multiple panes -- the headers 632291905e34a7f0ae03c68fb2c1b8c34b92d447fbfDianne Hackborn * and a preference fragment. 633291905e34a7f0ae03c68fb2c1b8c34b92d447fbfDianne Hackborn */ 634291905e34a7f0ae03c68fb2c1b8c34b92d447fbfDianne Hackborn public boolean isMultiPane() { 635291905e34a7f0ae03c68fb2c1b8c34b92d447fbfDianne Hackborn return hasHeaders() && mPrefsContainer.getVisibility() == View.VISIBLE; 636291905e34a7f0ae03c68fb2c1b8c34b92d447fbfDianne Hackborn } 637291905e34a7f0ae03c68fb2c1b8c34b92d447fbfDianne Hackborn 638291905e34a7f0ae03c68fb2c1b8c34b92d447fbfDianne Hackborn /** 639b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * Called to determine if the activity should run in multi-pane mode. 640b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * The default implementation returns true if the screen is large 641b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * enough. 642b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn */ 643b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn public boolean onIsMultiPane() { 644b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn Configuration config = getResources().getConfiguration(); 645b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn if ((config.screenLayout&Configuration.SCREENLAYOUT_SIZE_MASK) 646c6669ca63299219d815464129dac051ab2404286Dianne Hackborn == Configuration.SCREENLAYOUT_SIZE_XLARGE) { 647c6669ca63299219d815464129dac051ab2404286Dianne Hackborn return true; 648c6669ca63299219d815464129dac051ab2404286Dianne Hackborn } 649c6669ca63299219d815464129dac051ab2404286Dianne Hackborn if ((config.screenLayout&Configuration.SCREENLAYOUT_SIZE_MASK) 650c6669ca63299219d815464129dac051ab2404286Dianne Hackborn == Configuration.SCREENLAYOUT_SIZE_LARGE 651b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn && config.orientation == Configuration.ORIENTATION_LANDSCAPE) { 652b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn return true; 653b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn } 654b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn return false; 655b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn } 656b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 657b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn /** 658291905e34a7f0ae03c68fb2c1b8c34b92d447fbfDianne Hackborn * Called to determine whether the header list should be hidden. 659291905e34a7f0ae03c68fb2c1b8c34b92d447fbfDianne Hackborn * The default implementation returns the 660291905e34a7f0ae03c68fb2c1b8c34b92d447fbfDianne Hackborn * value given in {@link #EXTRA_NO_HEADERS} or false if it is not supplied. 661291905e34a7f0ae03c68fb2c1b8c34b92d447fbfDianne Hackborn * This is set to false, for example, when the activity is being re-launched 662291905e34a7f0ae03c68fb2c1b8c34b92d447fbfDianne Hackborn * to show a particular preference activity. 663b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn */ 664b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn public boolean onIsHidingHeaders() { 665b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn return getIntent().getBooleanExtra(EXTRA_NO_HEADERS, false); 666b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn } 667b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 668b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn /** 669b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn * Called to determine the initial header to be shown. The default 670b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn * implementation simply returns the fragment of the first header. Note 671b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn * that the returned Header object does not actually need to exist in 672b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn * your header list -- whatever its fragment is will simply be used to 673b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn * show for the initial UI. 674b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn */ 675b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn public Header onGetInitialHeader() { 676b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn return mHeaders.get(0); 677b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn } 678b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 679b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn /** 6805c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn * Called after the header list has been updated ({@link #onBuildHeaders} 6815c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn * has been called and returned due to {@link #invalidateHeaders()}) to 6825c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn * specify the header that should now be selected. The default implementation 6835c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn * returns null to keep whatever header is currently selected. 6845c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn */ 6855c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn public Header onGetNewHeader() { 6865c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn return null; 6875c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn } 6885c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn 6895c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn /** 690b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * Called when the activity needs its list of headers build. By 691b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * implementing this and adding at least one item to the list, you 692b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * will cause the activity to run in its modern fragment mode. Note 693b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * that this function may not always be called; for example, if the 694b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * activity has been asked to display a particular fragment without 695b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * the header list, there is no need to build the headers. 696b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * 697b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * <p>Typical implementations will use {@link #loadHeadersFromResource} 698b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * to fill in the list from a resource. 699b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * 700b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * @param target The list in which to place the headers. 701b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn */ 702b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn public void onBuildHeaders(List<Header> target) { 703b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn } 704b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 705b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn /** 706b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn * Call when you need to change the headers being displayed. Will result 707b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn * in onBuildHeaders() later being called to retrieve the new list. 708b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn */ 709b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn public void invalidateHeaders() { 710b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn if (!mHandler.hasMessages(MSG_BUILD_HEADERS)) { 711b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn mHandler.sendEmptyMessage(MSG_BUILD_HEADERS); 712b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn } 713b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn } 714b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn 715b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn /** 716b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * Parse the given XML file as a header description, adding each 717b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * parsed Header into the target list. 718b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * 719b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * @param resid The XML resource to load and parse. 720b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * @param target The list in which the parsed headers should be placed. 721b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn */ 722b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn public void loadHeadersFromResource(int resid, List<Header> target) { 723b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn XmlResourceParser parser = null; 724b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn try { 725b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn parser = getResources().getXml(resid); 726b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn AttributeSet attrs = Xml.asAttributeSet(parser); 727b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 728b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn int type; 729b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn while ((type=parser.next()) != XmlPullParser.END_DOCUMENT 730b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn && type != XmlPullParser.START_TAG) { 731b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn } 732b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 733b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn String nodeName = parser.getName(); 734def1537e9e8d0dd190cde5310ddae8b921088c9bDianne Hackborn if (!"preference-headers".equals(nodeName)) { 735b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn throw new RuntimeException( 736def1537e9e8d0dd190cde5310ddae8b921088c9bDianne Hackborn "XML document must start with <preference-headers> tag; found" 737b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn + nodeName + " at " + parser.getPositionDescription()); 738b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn } 739b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 740def1537e9e8d0dd190cde5310ddae8b921088c9bDianne Hackborn Bundle curBundle = null; 741def1537e9e8d0dd190cde5310ddae8b921088c9bDianne Hackborn 7425c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn final int outerDepth = parser.getDepth(); 743b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn while ((type=parser.next()) != XmlPullParser.END_DOCUMENT 744b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { 745b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { 746b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn continue; 747b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn } 748b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 749b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn nodeName = parser.getName(); 750def1537e9e8d0dd190cde5310ddae8b921088c9bDianne Hackborn if ("header".equals(nodeName)) { 751b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn Header header = new Header(); 752b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 753b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn TypedArray sa = getResources().obtainAttributes(attrs, 754b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn com.android.internal.R.styleable.PreferenceHeader); 755ed13cde1de86933f64285fa34e3a3aca80994859Amith Yamasani header.id = sa.getResourceId( 756a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn com.android.internal.R.styleable.PreferenceHeader_id, 757a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn (int)HEADER_ID_UNDEFINED); 75850ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn TypedValue tv = sa.peekValue( 759b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn com.android.internal.R.styleable.PreferenceHeader_title); 76050ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn if (tv != null && tv.type == TypedValue.TYPE_STRING) { 76150ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn if (tv.resourceId != 0) { 76250ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn header.titleRes = tv.resourceId; 76350ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn } else { 76450ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn header.title = tv.string; 76550ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn } 76650ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn } 76750ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn tv = sa.peekValue( 768b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn com.android.internal.R.styleable.PreferenceHeader_summary); 76950ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn if (tv != null && tv.type == TypedValue.TYPE_STRING) { 77050ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn if (tv.resourceId != 0) { 77150ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn header.summaryRes = tv.resourceId; 77250ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn } else { 77350ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn header.summary = tv.string; 77450ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn } 77550ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn } 77650ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn tv = sa.peekValue( 777c6669ca63299219d815464129dac051ab2404286Dianne Hackborn com.android.internal.R.styleable.PreferenceHeader_breadCrumbTitle); 77850ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn if (tv != null && tv.type == TypedValue.TYPE_STRING) { 77950ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn if (tv.resourceId != 0) { 78050ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn header.breadCrumbTitleRes = tv.resourceId; 78150ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn } else { 78250ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn header.breadCrumbTitle = tv.string; 78350ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn } 78450ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn } 78550ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn tv = sa.peekValue( 786c6669ca63299219d815464129dac051ab2404286Dianne Hackborn com.android.internal.R.styleable.PreferenceHeader_breadCrumbShortTitle); 78750ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn if (tv != null && tv.type == TypedValue.TYPE_STRING) { 78850ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn if (tv.resourceId != 0) { 78950ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn header.breadCrumbShortTitleRes = tv.resourceId; 79050ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn } else { 79150ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn header.breadCrumbShortTitle = tv.string; 79250ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn } 79350ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn } 794b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn header.iconRes = sa.getResourceId( 795b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn com.android.internal.R.styleable.PreferenceHeader_icon, 0); 796b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn header.fragment = sa.getString( 797b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn com.android.internal.R.styleable.PreferenceHeader_fragment); 798b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn sa.recycle(); 799b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 800def1537e9e8d0dd190cde5310ddae8b921088c9bDianne Hackborn if (curBundle == null) { 801def1537e9e8d0dd190cde5310ddae8b921088c9bDianne Hackborn curBundle = new Bundle(); 802def1537e9e8d0dd190cde5310ddae8b921088c9bDianne Hackborn } 8035c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn 8045c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn final int innerDepth = parser.getDepth(); 8055c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn while ((type=parser.next()) != XmlPullParser.END_DOCUMENT 8065c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn && (type != XmlPullParser.END_TAG || parser.getDepth() > innerDepth)) { 8075c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { 8085c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn continue; 8095c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn } 8105c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn 8115c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn String innerNodeName = parser.getName(); 8125c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn if (innerNodeName.equals("extra")) { 8135c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn getResources().parseBundleExtra("extra", attrs, curBundle); 8145c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn XmlUtils.skipCurrentTag(parser); 8155c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn 8165c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn } else if (innerNodeName.equals("intent")) { 8175c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn header.intent = Intent.parseIntent(getResources(), parser, attrs); 8185c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn 8195c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn } else { 8205c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn XmlUtils.skipCurrentTag(parser); 8215c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn } 8225c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn } 8235c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn 824def1537e9e8d0dd190cde5310ddae8b921088c9bDianne Hackborn if (curBundle.size() > 0) { 825def1537e9e8d0dd190cde5310ddae8b921088c9bDianne Hackborn header.fragmentArguments = curBundle; 826def1537e9e8d0dd190cde5310ddae8b921088c9bDianne Hackborn curBundle = null; 827def1537e9e8d0dd190cde5310ddae8b921088c9bDianne Hackborn } 828b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 829def1537e9e8d0dd190cde5310ddae8b921088c9bDianne Hackborn target.add(header); 830b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn } else { 831b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn XmlUtils.skipCurrentTag(parser); 832b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn } 833b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn } 834b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 835b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn } catch (XmlPullParserException e) { 836b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn throw new RuntimeException("Error parsing headers", e); 837b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn } catch (IOException e) { 838b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn throw new RuntimeException("Error parsing headers", e); 839b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn } finally { 840b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn if (parser != null) parser.close(); 841b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn } 84219ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng 8439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8455c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn /** 8465c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn * Set a footer that should be shown at the bottom of the header list. 8475c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn */ 8485c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn public void setListFooter(View view) { 8495c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn mListFooter.removeAllViews(); 8505c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn mListFooter.addView(view, new FrameLayout.LayoutParams( 8515c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn FrameLayout.LayoutParams.MATCH_PARENT, 8525c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn FrameLayout.LayoutParams.WRAP_CONTENT)); 8535c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn } 8545c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn 8559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 8569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void onStop() { 8579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.onStop(); 85819ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng 859b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn if (mPreferenceManager != null) { 860b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn mPreferenceManager.dispatchActivityStop(); 861b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn } 8629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 8659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void onDestroy() { 8669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.onDestroy(); 867b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 868b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn if (mPreferenceManager != null) { 869b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn mPreferenceManager.dispatchActivityDestroy(); 870b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn } 8719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 8749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void onSaveInstanceState(Bundle outState) { 8759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.onSaveInstanceState(outState); 8769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 877a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn if (mHeaders.size() > 0) { 878a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn outState.putParcelableArrayList(HEADERS_TAG, mHeaders); 879a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn if (mCurHeader != null) { 880a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn int index = mHeaders.indexOf(mCurHeader); 881a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn if (index >= 0) { 882a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn outState.putInt(CUR_HEADER_TAG, index); 883a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } 884a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } 885a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } 886a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn 887b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn if (mPreferenceManager != null) { 888b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn final PreferenceScreen preferenceScreen = getPreferenceScreen(); 889b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn if (preferenceScreen != null) { 890b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn Bundle container = new Bundle(); 891b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn preferenceScreen.saveHierarchyState(container); 892b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn outState.putBundle(PREFERENCES_TAG, container); 893b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn } 8949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 8989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void onRestoreInstanceState(Bundle state) { 899b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn if (mPreferenceManager != null) { 900b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn Bundle container = state.getBundle(PREFERENCES_TAG); 901b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn if (container != null) { 902b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn final PreferenceScreen preferenceScreen = getPreferenceScreen(); 903b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn if (preferenceScreen != null) { 904b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn preferenceScreen.restoreHierarchyState(container); 905b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn mSavedInstanceState = state; 906b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn return; 907b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn } 9089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 910e7fea45863afb10335cb7845aebcf2907d3c3e41Adam Powell 911e7fea45863afb10335cb7845aebcf2907d3c3e41Adam Powell // Only call this if we didn't save the instance state for later. 912e7fea45863afb10335cb7845aebcf2907d3c3e41Adam Powell // If we did save it, it will be restored when we bind the adapter. 913e7fea45863afb10335cb7845aebcf2907d3c3e41Adam Powell super.onRestoreInstanceState(state); 9149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 9179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void onActivityResult(int requestCode, int resultCode, Intent data) { 9189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.onActivityResult(requestCode, resultCode, data); 91919ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng 920b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn if (mPreferenceManager != null) { 921b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn mPreferenceManager.dispatchActivityResult(requestCode, resultCode, data); 922b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn } 9239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 9269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void onContentChanged() { 9279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.onContentChanged(); 928b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 929b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn if (mPreferenceManager != null) { 930b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn postBindPreferences(); 931b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn } 932b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn } 933b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 934b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn @Override 935b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn protected void onListItemClick(ListView l, View v, int position, long id) { 936b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn super.onListItemClick(l, v, position, id); 937b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 938b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn if (mAdapter != null) { 939b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn onHeaderClick(mHeaders.get(position), position); 940b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn } 941b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn } 942b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 943b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn /** 944b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * Called when the user selects an item in the header list. The default 9458eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn * implementation will call either {@link #startWithFragment(String, Bundle, Fragment, int)} 946a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn * or {@link #switchToHeader(Header)} as appropriate. 947b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * 948b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * @param header The header that was selected. 949b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * @param position The header's position in the list. 950b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn */ 951b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn public void onHeaderClick(Header header, int position) { 9525c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn if (header.fragment != null) { 9535c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn if (mSinglePane) { 9548eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn startWithFragment(header.fragment, header.fragmentArguments, null, 0); 9555c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn } else { 956a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn switchToHeader(header); 9575c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn } 9585c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn } else if (header.intent != null) { 9595c769a47aeb399324cca7f5d449331a3bba85b52Dianne Hackborn startActivity(header.intent); 960b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn } 961b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn } 962b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 963b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn /** 964b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * Start a new instance of this activity, showing only the given 965b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * preference fragment. When launched in this mode, the header list 966b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * will be hidden and the given preference fragment will be instantiated 967b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * and fill the entire activity. 968b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * 969b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * @param fragmentName The name of the fragment to display. 970b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn * @param args Optional arguments to supply to the fragment. 971b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn */ 9728eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn public void startWithFragment(String fragmentName, Bundle args, 9738eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn Fragment resultTo, int resultRequestCode) { 974b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn Intent intent = new Intent(Intent.ACTION_MAIN); 975b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn intent.setClass(this, getClass()); 976b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn intent.putExtra(EXTRA_SHOW_FRAGMENT, fragmentName); 977b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn intent.putExtra(EXTRA_SHOW_FRAGMENT_ARGUMENTS, args); 978b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn intent.putExtra(EXTRA_NO_HEADERS, true); 9798eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn if (resultTo == null) { 9808eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn startActivity(intent); 9818eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn } else { 9828eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn resultTo.startActivityForResult(intent, resultRequestCode); 9838eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn } 984b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn } 985b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 986c6669ca63299219d815464129dac051ab2404286Dianne Hackborn /** 987c6669ca63299219d815464129dac051ab2404286Dianne Hackborn * Change the base title of the bread crumbs for the current preferences. 988c6669ca63299219d815464129dac051ab2404286Dianne Hackborn * This will normally be called for you. See 989c6669ca63299219d815464129dac051ab2404286Dianne Hackborn * {@link android.app.FragmentBreadCrumbs} for more information. 990c6669ca63299219d815464129dac051ab2404286Dianne Hackborn */ 991c6669ca63299219d815464129dac051ab2404286Dianne Hackborn public void showBreadCrumbs(CharSequence title, CharSequence shortTitle) { 992c6669ca63299219d815464129dac051ab2404286Dianne Hackborn if (mFragmentBreadCrumbs == null) { 9933e86040439d030e44eca4da81d0217046fcac55cAmith Yamasani View crumbs = findViewById(android.R.id.title); 9943e86040439d030e44eca4da81d0217046fcac55cAmith Yamasani // For screens with a different kind of title, don't create breadcrumbs. 9953e86040439d030e44eca4da81d0217046fcac55cAmith Yamasani if (!(crumbs instanceof FragmentBreadCrumbs)) return; 9963c9f519f898f8fc809550199ea823c0225c682a8Amith Yamasani mFragmentBreadCrumbs = (FragmentBreadCrumbs) findViewById(android.R.id.title); 9973c9f519f898f8fc809550199ea823c0225c682a8Amith Yamasani if (mFragmentBreadCrumbs == null) { 9983c9f519f898f8fc809550199ea823c0225c682a8Amith Yamasani mFragmentBreadCrumbs = new FragmentBreadCrumbs(this); 9993c9f519f898f8fc809550199ea823c0225c682a8Amith Yamasani ActionBar actionBar = getActionBar(); 10003c9f519f898f8fc809550199ea823c0225c682a8Amith Yamasani if (actionBar != null) { 10013c9f519f898f8fc809550199ea823c0225c682a8Amith Yamasani actionBar.setCustomNavigationMode(mFragmentBreadCrumbs); 10023c9f519f898f8fc809550199ea823c0225c682a8Amith Yamasani } 1003c57406cdfa1925c3474e87865c51950b76ee0347Jim Miller } 10043c9f519f898f8fc809550199ea823c0225c682a8Amith Yamasani mFragmentBreadCrumbs.setMaxVisible(2); 10053c9f519f898f8fc809550199ea823c0225c682a8Amith Yamasani mFragmentBreadCrumbs.setActivity(this); 1006c6669ca63299219d815464129dac051ab2404286Dianne Hackborn } 1007c6669ca63299219d815464129dac051ab2404286Dianne Hackborn mFragmentBreadCrumbs.setTitle(title, shortTitle); 1008c9ecb73ccdab767e7904232d46b660fdd7a9aad7Amith Yamasani mFragmentBreadCrumbs.setParentTitle(null, null, null); 1009c9ecb73ccdab767e7904232d46b660fdd7a9aad7Amith Yamasani } 1010c9ecb73ccdab767e7904232d46b660fdd7a9aad7Amith Yamasani 1011c9ecb73ccdab767e7904232d46b660fdd7a9aad7Amith Yamasani /** 1012c9ecb73ccdab767e7904232d46b660fdd7a9aad7Amith Yamasani * Should be called after onCreate to ensure that the breadcrumbs, if any, were created. 1013c9ecb73ccdab767e7904232d46b660fdd7a9aad7Amith Yamasani * This prepends a title to the fragment breadcrumbs and attaches a listener to any clicks 1014c9ecb73ccdab767e7904232d46b660fdd7a9aad7Amith Yamasani * on the parent entry. 1015c9ecb73ccdab767e7904232d46b660fdd7a9aad7Amith Yamasani * @param title the title for the breadcrumb 1016c9ecb73ccdab767e7904232d46b660fdd7a9aad7Amith Yamasani * @param shortTitle the short title for the breadcrumb 1017c9ecb73ccdab767e7904232d46b660fdd7a9aad7Amith Yamasani */ 1018c9ecb73ccdab767e7904232d46b660fdd7a9aad7Amith Yamasani public void setParentTitle(CharSequence title, CharSequence shortTitle, 1019c9ecb73ccdab767e7904232d46b660fdd7a9aad7Amith Yamasani OnClickListener listener) { 1020c9ecb73ccdab767e7904232d46b660fdd7a9aad7Amith Yamasani if (mFragmentBreadCrumbs != null) { 1021c9ecb73ccdab767e7904232d46b660fdd7a9aad7Amith Yamasani mFragmentBreadCrumbs.setParentTitle(title, shortTitle, listener); 1022c9ecb73ccdab767e7904232d46b660fdd7a9aad7Amith Yamasani } 1023c6669ca63299219d815464129dac051ab2404286Dianne Hackborn } 1024c6669ca63299219d815464129dac051ab2404286Dianne Hackborn 1025a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn void setSelectedHeader(Header header) { 1026a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn mCurHeader = header; 1027a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn int index = mHeaders.indexOf(header); 1028a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn if (index >= 0) { 1029a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn getListView().setItemChecked(index, true); 1030a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } else { 1031a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn getListView().clearChoices(); 1032a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } 1033c6669ca63299219d815464129dac051ab2404286Dianne Hackborn if (header != null) { 103450ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn CharSequence title = header.getBreadCrumbTitle(getResources()); 103550ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn if (title == null) title = header.getTitle(getResources()); 1036c6669ca63299219d815464129dac051ab2404286Dianne Hackborn if (title == null) title = getTitle(); 103750ed8294d366412aa739e763f5e53f1e9717c7c6Dianne Hackborn showBreadCrumbs(title, header.getBreadCrumbShortTitle(getResources())); 1038c6669ca63299219d815464129dac051ab2404286Dianne Hackborn } else { 1039c6669ca63299219d815464129dac051ab2404286Dianne Hackborn showBreadCrumbs(getTitle(), null); 1040c6669ca63299219d815464129dac051ab2404286Dianne Hackborn } 1041c6669ca63299219d815464129dac051ab2404286Dianne Hackborn } 1042c6669ca63299219d815464129dac051ab2404286Dianne Hackborn 1043f5cbaeda148aa80470d4100d51e3fb3975843ef2Amith Yamasani private void switchToHeaderInner(String fragmentName, Bundle args, int direction) { 10443a57fb9e9c4f205ca6bd4f036b3080f92588d16dDianne Hackborn getFragmentManager().popBackStack(BACK_STACK_PREFS, 10453a57fb9e9c4f205ca6bd4f036b3080f92588d16dDianne Hackborn FragmentManager.POP_BACK_STACK_INCLUSIVE); 1046c6669ca63299219d815464129dac051ab2404286Dianne Hackborn Fragment f = Fragment.instantiate(this, fragmentName, args); 104748e7b458694acdf3a4fc58e62437f1dbc4f29d83Dianne Hackborn FragmentTransaction transaction = getFragmentManager().beginTransaction(); 1048f5cbaeda148aa80470d4100d51e3fb3975843ef2Amith Yamasani transaction.setTransition(direction == 0 ? FragmentTransaction.TRANSIT_NONE 1049f5cbaeda148aa80470d4100d51e3fb3975843ef2Amith Yamasani : direction > 0 ? FragmentTransaction.TRANSIT_FRAGMENT_NEXT 1050f5cbaeda148aa80470d4100d51e3fb3975843ef2Amith Yamasani : FragmentTransaction.TRANSIT_FRAGMENT_PREV); 10519ff82bf2b33513052500473d0d6d025a80dcecbfChet Haase transaction.replace(com.android.internal.R.id.prefs, f); 10529ff82bf2b33513052500473d0d6d025a80dcecbfChet Haase transaction.commit(); 1053a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } 1054a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn 1055b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn /** 1056b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * When in two-pane mode, switch the fragment pane to show the given 1057b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * preference fragment. 1058b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * 1059b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * @param fragmentName The name of the fragment to display. 1060b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn * @param args Optional arguments to supply to the fragment. 1061b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn */ 1062b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn public void switchToHeader(String fragmentName, Bundle args) { 1063a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn setSelectedHeader(null); 1064f5cbaeda148aa80470d4100d51e3fb3975843ef2Amith Yamasani switchToHeaderInner(fragmentName, args, 0); 10659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1067aa904f48cf3e3a31cc43806fee0e17af607c7faeAndrew Stadler /** 1068a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn * When in two-pane mode, switch to the fragment pane to show the given 1069a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn * preference fragment. 1070a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn * 1071a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn * @param header The new header to display. 1072a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn */ 1073a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn public void switchToHeader(Header header) { 10748eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn if (mCurHeader == header) { 10758eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn // This is the header we are currently displaying. Just make sure 10768eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn // to pop the stack up to its root state. 10773a57fb9e9c4f205ca6bd4f036b3080f92588d16dDianne Hackborn getFragmentManager().popBackStack(BACK_STACK_PREFS, 10783a57fb9e9c4f205ca6bd4f036b3080f92588d16dDianne Hackborn FragmentManager.POP_BACK_STACK_INCLUSIVE); 10798eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn } else { 10808eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn int direction = mHeaders.indexOf(header) - mHeaders.indexOf(mCurHeader); 10818eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn switchToHeaderInner(header.fragment, header.fragmentArguments, direction); 10828eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn setSelectedHeader(header); 10838eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn } 1084a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } 1085a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn 1086a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn Header findBestMatchingHeader(Header cur, ArrayList<Header> from) { 1087a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn ArrayList<Header> matches = new ArrayList<Header>(); 1088a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn for (int j=0; j<from.size(); j++) { 1089a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn Header oh = from.get(j); 1090a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn if (cur == oh || (cur.id != HEADER_ID_UNDEFINED && cur.id == oh.id)) { 1091a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn // Must be this one. 1092a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn matches.clear(); 1093a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn matches.add(oh); 1094a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn break; 1095a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } 1096a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn if (cur.fragment != null) { 1097a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn if (cur.fragment.equals(oh.fragment)) { 1098a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn matches.add(oh); 1099a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } 1100a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } else if (cur.intent != null) { 1101a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn if (cur.intent.equals(oh.intent)) { 1102a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn matches.add(oh); 1103a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } 1104a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } else if (cur.title != null) { 1105a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn if (cur.title.equals(oh.title)) { 1106a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn matches.add(oh); 1107a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } 1108a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } 1109a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } 1110a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn final int NM = matches.size(); 1111a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn if (NM == 1) { 1112a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn return matches.get(0); 1113a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } else if (NM > 1) { 1114a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn for (int j=0; j<NM; j++) { 1115a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn Header oh = matches.get(j); 1116a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn if (cur.fragmentArguments != null && 1117a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn cur.fragmentArguments.equals(oh.fragmentArguments)) { 1118a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn return oh; 1119a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } 1120a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn if (cur.extras != null && cur.extras.equals(oh.extras)) { 1121a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn return oh; 1122a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } 1123a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn if (cur.title != null && cur.title.equals(oh.title)) { 1124a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn return oh; 1125a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } 1126a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } 1127a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } 1128a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn return null; 1129a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn } 1130a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn 1131a21e3da55940e239addd80bf379091a1d85d006fDianne Hackborn /** 1132aa904f48cf3e3a31cc43806fee0e17af607c7faeAndrew Stadler * Start a new fragment. 1133aa904f48cf3e3a31cc43806fee0e17af607c7faeAndrew Stadler * 1134aa904f48cf3e3a31cc43806fee0e17af607c7faeAndrew Stadler * @param fragment The fragment to start 1135aa904f48cf3e3a31cc43806fee0e17af607c7faeAndrew Stadler * @param push If true, the current fragment will be pushed onto the back stack. If false, 1136aa904f48cf3e3a31cc43806fee0e17af607c7faeAndrew Stadler * the current fragment will be replaced. 1137aa904f48cf3e3a31cc43806fee0e17af607c7faeAndrew Stadler */ 1138aa904f48cf3e3a31cc43806fee0e17af607c7faeAndrew Stadler public void startPreferenceFragment(Fragment fragment, boolean push) { 113948e7b458694acdf3a4fc58e62437f1dbc4f29d83Dianne Hackborn FragmentTransaction transaction = getFragmentManager().beginTransaction(); 11408eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn transaction.replace(com.android.internal.R.id.prefs, fragment); 1141aa904f48cf3e3a31cc43806fee0e17af607c7faeAndrew Stadler if (push) { 11429ff82bf2b33513052500473d0d6d025a80dcecbfChet Haase transaction.setTransition(FragmentTransaction.TRANSIT_FRAGMENT_OPEN); 1143aa904f48cf3e3a31cc43806fee0e17af607c7faeAndrew Stadler transaction.addToBackStack(BACK_STACK_PREFS); 11449ff82bf2b33513052500473d0d6d025a80dcecbfChet Haase } else { 11459ff82bf2b33513052500473d0d6d025a80dcecbfChet Haase transaction.setTransition(FragmentTransaction.TRANSIT_FRAGMENT_NEXT); 1146aa904f48cf3e3a31cc43806fee0e17af607c7faeAndrew Stadler } 1147aa904f48cf3e3a31cc43806fee0e17af607c7faeAndrew Stadler transaction.commit(); 1148aa904f48cf3e3a31cc43806fee0e17af607c7faeAndrew Stadler } 1149aa904f48cf3e3a31cc43806fee0e17af607c7faeAndrew Stadler 1150c6669ca63299219d815464129dac051ab2404286Dianne Hackborn /** 11518eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn * Start a new fragment containing a preference panel. If the prefences 11528eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn * are being displayed in multi-pane mode, the given fragment class will 11538eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn * be instantiated and placed in the appropriate pane. If running in 11548eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn * single-pane mode, a new activity will be launched in which to show the 11558eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn * fragment. 11568eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn * 11578eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn * @param fragmentClass Full name of the class implementing the fragment. 11588eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn * @param args Any desired arguments to supply to the fragment. 11598eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn * @param titleRes Optional resource identifier of the title of this 11608eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn * fragment. 11618eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn * @param titleText Optional text of the title of this fragment. 11628eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn * @param resultTo Optional fragment that result data should be sent to. 11638eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn * If non-null, resultTo.onActivityResult() will be called when this 11648eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn * preference panel is done. The launched panel must use 11658eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn * {@link #finishPreferencePanel(Fragment, int, Intent)} when done. 11668eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn * @param resultRequestCode If resultTo is non-null, this is the caller's 11678eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn * request code to be received with the resut. 1168c6669ca63299219d815464129dac051ab2404286Dianne Hackborn */ 11698eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn public void startPreferencePanel(String fragmentClass, Bundle args, int titleRes, 11708eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn CharSequence titleText, Fragment resultTo, int resultRequestCode) { 11718eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn if (mSinglePane) { 11728eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn startWithFragment(fragmentClass, args, resultTo, resultRequestCode); 11738eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn } else { 11748eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn Fragment f = Fragment.instantiate(this, fragmentClass, args); 11758eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn if (resultTo != null) { 11768eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn f.setTargetFragment(resultTo, resultRequestCode); 11778eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn } 117848e7b458694acdf3a4fc58e62437f1dbc4f29d83Dianne Hackborn FragmentTransaction transaction = getFragmentManager().beginTransaction(); 11798eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn transaction.replace(com.android.internal.R.id.prefs, f); 11808eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn if (titleRes != 0) { 11818eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn transaction.setBreadCrumbTitle(titleRes); 11828eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn } else if (titleText != null) { 11838eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn transaction.setBreadCrumbTitle(titleText); 11848eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn } 11858eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn transaction.setTransition(FragmentTransaction.TRANSIT_FRAGMENT_OPEN); 11868eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn transaction.addToBackStack(BACK_STACK_PREFS); 11878eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn transaction.commit(); 11888eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn } 1189c6669ca63299219d815464129dac051ab2404286Dianne Hackborn } 11908eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn 11918eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn /** 11928eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn * Called by a preference panel fragment to finish itself. 11938eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn * 11948eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn * @param caller The fragment that is asking to be finished. 11958eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn * @param resultCode Optional result code to send back to the original 11968eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn * launching fragment. 11978eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn * @param resultData Optional result data to send back to the original 11988eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn * launching fragment. 11998eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn */ 12008eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn public void finishPreferencePanel(Fragment caller, int resultCode, Intent resultData) { 12018eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn if (mSinglePane) { 12028eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn setResult(resultCode, resultData); 12038eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn finish(); 12048eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn } else { 12053a57fb9e9c4f205ca6bd4f036b3080f92588d16dDianne Hackborn // XXX be smarter about popping the stack. 12063a57fb9e9c4f205ca6bd4f036b3080f92588d16dDianne Hackborn onBackPressed(); 12078eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn if (caller != null) { 12088eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn if (caller.getTargetFragment() != null) { 12098eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn caller.getTargetFragment().onActivityResult(caller.getTargetRequestCode(), 12108eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn resultCode, resultData); 12118eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn } 12128eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn } 12138eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn } 12148eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn } 12158eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn 1216b3cf10ffa8ff9cac0da8b23a0d84076b3f501400Dianne Hackborn @Override 1217b3cf10ffa8ff9cac0da8b23a0d84076b3f501400Dianne Hackborn public boolean onPreferenceStartFragment(PreferenceFragment caller, Preference pref) { 12188eb2e244f9b14d946ee587d0b673b866865026c0Dianne Hackborn startPreferencePanel(pref.getFragment(), pref.getExtras(), 0, pref.getTitle(), null, 0); 1219b3cf10ffa8ff9cac0da8b23a0d84076b3f501400Dianne Hackborn return true; 1220b3cf10ffa8ff9cac0da8b23a0d84076b3f501400Dianne Hackborn } 1221b3cf10ffa8ff9cac0da8b23a0d84076b3f501400Dianne Hackborn 12229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 12239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Posts a message to bind the preferences to the list view. 12249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p> 12259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Binding late is preferred as any custom preference types created in 12269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link #onCreate(Bundle)} are able to have their views recycled. 12279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 12289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void postBindPreferences() { 12299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mHandler.hasMessages(MSG_BIND_PREFERENCES)) return; 12309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mHandler.obtainMessage(MSG_BIND_PREFERENCES).sendToTarget(); 12319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 123219ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng 12339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void bindPreferences() { 12349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final PreferenceScreen preferenceScreen = getPreferenceScreen(); 12359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (preferenceScreen != null) { 12369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project preferenceScreen.bind(getListView()); 1237e7fea45863afb10335cb7845aebcf2907d3c3e41Adam Powell if (mSavedInstanceState != null) { 1238e7fea45863afb10335cb7845aebcf2907d3c3e41Adam Powell super.onRestoreInstanceState(mSavedInstanceState); 1239e7fea45863afb10335cb7845aebcf2907d3c3e41Adam Powell mSavedInstanceState = null; 1240e7fea45863afb10335cb7845aebcf2907d3c3e41Adam Powell } 12419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 124319ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng 12449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 12459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the {@link PreferenceManager} used by this activity. 12469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return The {@link PreferenceManager}. 1247b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * 1248b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * @deprecated This function is not relevant for a modern fragment-based 1249b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * PreferenceActivity. 12509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1251b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn @Deprecated 12529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public PreferenceManager getPreferenceManager() { 12539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mPreferenceManager; 12549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 125519ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng 12569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void requirePreferenceManager() { 12579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mPreferenceManager == null) { 1258b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn if (mAdapter == null) { 1259b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn throw new RuntimeException("This should be called after super.onCreate."); 1260b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn } 1261b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn throw new RuntimeException( 1262b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn "Modern two-pane PreferenceActivity requires use of a PreferenceFragment"); 12639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 12679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the root of the preference hierarchy that this activity is showing. 126819ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng * 12699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param preferenceScreen The root {@link PreferenceScreen} of the preference hierarchy. 1270b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * 1271b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * @deprecated This function is not relevant for a modern fragment-based 1272b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * PreferenceActivity. 12739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1274b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn @Deprecated 12759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setPreferenceScreen(PreferenceScreen preferenceScreen) { 1276b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn requirePreferenceManager(); 1277b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn 12789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mPreferenceManager.setPreferences(preferenceScreen) && preferenceScreen != null) { 12799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project postBindPreferences(); 12809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project CharSequence title = getPreferenceScreen().getTitle(); 12819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Set the title of the activity 12829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (title != null) { 12839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setTitle(title); 12849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 128719ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng 12889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 12899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Gets the root of the preference hierarchy that this activity is showing. 129019ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng * 12919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return The {@link PreferenceScreen} that is the root of the preference 12929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * hierarchy. 1293b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * 1294b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * @deprecated This function is not relevant for a modern fragment-based 1295b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * PreferenceActivity. 12969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1297b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn @Deprecated 12989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public PreferenceScreen getPreferenceScreen() { 1299b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn if (mPreferenceManager != null) { 1300b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn return mPreferenceManager.getPreferenceScreen(); 1301b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn } 1302b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn return null; 13039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 130419ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng 13059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 13069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Adds preferences from activities that match the given {@link Intent}. 130719ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng * 13089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param intent The {@link Intent} to query activities. 1309b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * 1310b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * @deprecated This function is not relevant for a modern fragment-based 1311b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * PreferenceActivity. 13129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1313b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn @Deprecated 13149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void addPreferencesFromIntent(Intent intent) { 13159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project requirePreferenceManager(); 131619ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng 13179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setPreferenceScreen(mPreferenceManager.inflateFromIntent(intent, getPreferenceScreen())); 13189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 131919ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng 13209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 13219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Inflates the given XML resource and adds the preference hierarchy to the current 13229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * preference hierarchy. 132319ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng * 13249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param preferencesResId The XML resource ID to inflate. 1325b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * 1326b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * @deprecated This function is not relevant for a modern fragment-based 1327b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * PreferenceActivity. 13289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1329b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn @Deprecated 13309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void addPreferencesFromResource(int preferencesResId) { 13319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project requirePreferenceManager(); 133219ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng 13339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setPreferenceScreen(mPreferenceManager.inflateFromResource(this, preferencesResId, 13349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project getPreferenceScreen())); 13359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 13389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@inheritDoc} 1339b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * 1340b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * @deprecated This function is not relevant for a modern fragment-based 1341b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * PreferenceActivity. 13429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1343b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn @Deprecated 13449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean onPreferenceTreeClick(PreferenceScreen preferenceScreen, Preference preference) { 13459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 13469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 134719ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng 13489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 13499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Finds a {@link Preference} based on its key. 135019ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng * 13519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param key The key of the preference to retrieve. 13529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return The {@link Preference} with the key, or null. 13539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see PreferenceGroup#findPreference(CharSequence) 1354b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * 1355b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * @deprecated This function is not relevant for a modern fragment-based 1356b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn * PreferenceActivity. 13579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1358b1ad5977bc8178b6d350ebe9099daded4c1ef603Dianne Hackborn @Deprecated 13599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Preference findPreference(CharSequence key) { 136019ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng 13619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mPreferenceManager == null) { 13629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return null; 13639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 136419ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng 13659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mPreferenceManager.findPreference(key); 13669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 13699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void onNewIntent(Intent intent) { 13709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mPreferenceManager != null) { 13719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPreferenceManager.dispatchNewIntent(intent); 13729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 137419ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng 137519ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng // give subclasses access to the Next button 137619ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng /** @hide */ 137719ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng protected boolean hasNextButton() { 137819ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng return mNextButton != null; 137919ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng } 138019ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng /** @hide */ 138119ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng protected Button getNextButton() { 138219ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng return mNextButton; 138319ea2e0d788810473136ceca46c1c28326daff5eFreeman Ng } 13849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1385