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 199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport java.util.ArrayList; 209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport java.util.List; 219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.content.Context; 239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.content.Intent; 249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.content.SharedPreferences; 259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.content.res.TypedArray; 269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.os.Bundle; 279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.os.Parcel; 289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.os.Parcelable; 299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.text.TextUtils; 309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.util.AttributeSet; 319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport com.android.internal.util.CharSequences; 329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.view.AbsSavedState; 339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.view.LayoutInflater; 349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.view.View; 359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.view.ViewGroup; 369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.widget.ListView; 379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.widget.TextView; 389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/** 409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Represents the basic Preference UI building 419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * block displayed by a {@link PreferenceActivity} in the form of a 429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link ListView}. This class provides the {@link View} to be displayed in 439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the activity and associates with a {@link SharedPreferences} to 449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * store/retrieve the preference data. 459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p> 469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * When specifying a preference hierarchy in XML, each element can point to a 479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * subclass of {@link Preference}, similar to the view hierarchy and layouts. 489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p> 499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * This class contains a {@code key} that will be used as the key into the 509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link SharedPreferences}. It is up to the subclass to decide how to store 519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the value. 529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#Preference_key 549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#Preference_title 559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#Preference_summary 569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#Preference_order 579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#Preference_layout 589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#Preference_widgetLayout 599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#Preference_enabled 609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#Preference_selectable 619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#Preference_dependency 629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#Preference_persistent 639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#Preference_defaultValue 649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#Preference_shouldDisableView 659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpublic class Preference implements Comparable<Preference>, OnDependencyChangeListener { 679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Specify for {@link #setOrder(int)} if a specific order is not required. 699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int DEFAULT_ORDER = Integer.MAX_VALUE; 719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private Context mContext; 739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private PreferenceManager mPreferenceManager; 749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Set when added to hierarchy since we need a unique ID within that 779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * hierarchy. 789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private long mId; 809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private OnPreferenceChangeListener mOnChangeListener; 829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private OnPreferenceClickListener mOnClickListener; 839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mOrder = DEFAULT_ORDER; 859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private CharSequence mTitle; 869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private CharSequence mSummary; 879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private String mKey; 889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private Intent mIntent; 899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private boolean mEnabled = true; 909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private boolean mSelectable = true; 919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private boolean mRequiresKey; 929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private boolean mPersistent = true; 939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private String mDependencyKey; 949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private Object mDefaultValue; 95da53eca79e02ac70761c379f9f2cb3babce9e79dMichael Chan private boolean mDependencyMet = true; 969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #setShouldDisableView(boolean) 999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private boolean mShouldDisableView = true; 1019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mLayoutResId = com.android.internal.R.layout.preference; 1039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mWidgetLayoutResId; 1049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private boolean mHasSpecifiedLayout = false; 1059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private OnPreferenceChangeInternalListener mListener; 1079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private List<Preference> mDependents; 1099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private boolean mBaseMethodCalled; 1119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Interface definition for a callback to be invoked when the value of this 1149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link Preference} has been changed by the user and is 1159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * about to be set and/or persisted. This gives the client a chance 1169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * to prevent setting and/or persisting the value. 1179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public interface OnPreferenceChangeListener { 1199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Called when a Preference has been changed by the user. This is 1219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * called before the state of the Preference is about to be updated and 1229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * before the state is persisted. 1239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 1249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param preference The changed Preference. 1259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param newValue The new value of the Preference. 1269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return True to update the state of the Preference with the new value. 1279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean onPreferenceChange(Preference preference, Object newValue); 1299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Interface definition for a callback to be invoked when a {@link Preference} is 1339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * clicked. 1349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public interface OnPreferenceClickListener { 1369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Called when a Preference has been clicked. 1389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 1399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param preference The Preference that was clicked. 1409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return True if the click was handled. 1419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean onPreferenceClick(Preference preference); 1439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Interface definition for a callback to be invoked when this 1479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link Preference} is changed or, if this is a group, there is an 1489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * addition/removal of {@link Preference}(s). This is used internally. 1499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project interface OnPreferenceChangeInternalListener { 1519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Called when this Preference has changed. 1539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 1549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param preference This preference. 1559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void onPreferenceChange(Preference preference); 1579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Called when this group has added/removed {@link Preference}(s). 1609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 1619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param preference This Preference. 1629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void onPreferenceHierarchyChange(Preference preference); 1649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Perform inflation from XML and apply a class-specific base style. This 1689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * constructor of Preference allows subclasses to use their own base 1699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * style when they are inflating. For example, a {@link CheckBoxPreference} 1709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * constructor calls this version of the super class constructor and 1719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * supplies {@code android.R.attr.checkBoxPreferenceStyle} for <var>defStyle</var>. 1729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * This allows the theme's checkbox preference style to modify all of the base 1739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * preference attributes as well as the {@link CheckBoxPreference} class's 1749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * attributes. 1759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 1769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param context The Context this is associated with, through which it can 1779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * access the current theme, resources, {@link SharedPreferences}, 1789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * etc. 1799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param attrs The attributes of the XML tag that is inflating the preference. 1809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param defStyle The default style to apply to this preference. If 0, no style 1819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * will be applied (beyond what is included in the theme). This 1829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * may either be an attribute resource, whose value will be 1839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * retrieved from the current theme, or an explicit style 1849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * resource. 1859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #Preference(Context, AttributeSet) 1869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Preference(Context context, AttributeSet attrs, int defStyle) { 1889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mContext = context; 1899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project TypedArray a = context.obtainStyledAttributes(attrs, 191a98129b9110371aa036d8fcf23fff709595b16ffAmith Yamasani com.android.internal.R.styleable.Preference, defStyle, 0); 1929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = a.getIndexCount(); i >= 0; i--) { 1939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int attr = a.getIndex(i); 1949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project switch (attr) { 1959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case com.android.internal.R.styleable.Preference_key: 1969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mKey = a.getString(attr); 1979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 1989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case com.android.internal.R.styleable.Preference_title: 2009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTitle = a.getString(attr); 2019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 2029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case com.android.internal.R.styleable.Preference_summary: 2049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSummary = a.getString(attr); 2059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 2069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case com.android.internal.R.styleable.Preference_order: 2089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mOrder = a.getInt(attr, mOrder); 2099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 2109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case com.android.internal.R.styleable.Preference_layout: 2129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLayoutResId = a.getResourceId(attr, mLayoutResId); 2139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 2149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case com.android.internal.R.styleable.Preference_widgetLayout: 2169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mWidgetLayoutResId = a.getResourceId(attr, mWidgetLayoutResId); 2179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 2189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case com.android.internal.R.styleable.Preference_enabled: 2209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mEnabled = a.getBoolean(attr, true); 2219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 2229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case com.android.internal.R.styleable.Preference_selectable: 2249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSelectable = a.getBoolean(attr, true); 2259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 2269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case com.android.internal.R.styleable.Preference_persistent: 2289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPersistent = a.getBoolean(attr, mPersistent); 2299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 2309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case com.android.internal.R.styleable.Preference_dependency: 2329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDependencyKey = a.getString(attr); 2339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 2349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case com.android.internal.R.styleable.Preference_defaultValue: 2369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDefaultValue = onGetDefaultValue(a, attr); 2379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 2389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case com.android.internal.R.styleable.Preference_shouldDisableView: 2409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mShouldDisableView = a.getBoolean(attr, mShouldDisableView); 2419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 2429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project a.recycle(); 245a98129b9110371aa036d8fcf23fff709595b16ffAmith Yamasani 246a98129b9110371aa036d8fcf23fff709595b16ffAmith Yamasani if (!getClass().getName().startsWith("android.preference")) { 247a98129b9110371aa036d8fcf23fff709595b16ffAmith Yamasani // For subclasses not in this package, assume the worst and don't cache views 248a98129b9110371aa036d8fcf23fff709595b16ffAmith Yamasani mHasSpecifiedLayout = true; 249a98129b9110371aa036d8fcf23fff709595b16ffAmith Yamasani } 2509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Constructor that is called when inflating a Preference from XML. This is 2549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * called when a Preference is being constructed from an XML file, supplying 2559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * attributes that were specified in the XML file. This version uses a 2569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * default style of 0, so the only attribute values applied are those in the 2579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Context's Theme and the given AttributeSet. 2589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 2599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param context The Context this is associated with, through which it can 2609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * access the current theme, resources, {@link SharedPreferences}, 2619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * etc. 2629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param attrs The attributes of the XML tag that is inflating the 2639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * preference. 2649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #Preference(Context, AttributeSet, int) 2659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Preference(Context context, AttributeSet attrs) { 2679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project this(context, attrs, 0); 2689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Constructor to create a Preference. 2729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 2739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param context The Context in which to store Preference values. 2749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Preference(Context context) { 2769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project this(context, null); 2779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Called when a Preference is being inflated and the default value 2819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * attribute needs to be read. Since different Preference types have 2829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * different value types, the subclass should get and return the default 2839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * value which will be its value type. 2849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p> 2859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * For example, if the value type is String, the body of the method would 2869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * proxy to {@link TypedArray#getString(int)}. 2879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 2889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param a The set of attributes. 2899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param index The index of the default value attribute. 2909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return The default value of this preference type. 2919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected Object onGetDefaultValue(TypedArray a, int index) { 2939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return null; 2949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets an {@link Intent} to be used for 2989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link Context#startActivity(Intent)} when this Preference is clicked. 2999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 3009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param intent The intent associated with this Preference. 3019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setIntent(Intent intent) { 3039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mIntent = intent; 3049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Return the {@link Intent} associated with this Preference. 3089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 3099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return The {@link Intent} last set via {@link #setIntent(Intent)} or XML. 3109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Intent getIntent() { 3129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mIntent; 3139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the layout resource that is inflated as the {@link View} to be shown 3179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * for this Preference. In most cases, the default layout is sufficient for 3189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * custom Preference objects and only the widget layout needs to be changed. 3199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p> 3209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * This layout should contain a {@link ViewGroup} with ID 3219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link android.R.id#widget_frame} to be the parent of the specific widget 3229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * for this Preference. It should similarly contain 3239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link android.R.id#title} and {@link android.R.id#summary}. 3249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 3259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param layoutResId The layout resource ID to be inflated and returned as 3269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * a {@link View}. 3279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #setWidgetLayoutResource(int) 3289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setLayoutResource(int layoutResId) { 330a98129b9110371aa036d8fcf23fff709595b16ffAmith Yamasani if (layoutResId != mLayoutResId) { 331a98129b9110371aa036d8fcf23fff709595b16ffAmith Yamasani // Layout changed 3329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mHasSpecifiedLayout = true; 3339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 334a98129b9110371aa036d8fcf23fff709595b16ffAmith Yamasani 3359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLayoutResId = layoutResId; 3369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Gets the layout resource that will be shown as the {@link View} for this Preference. 3409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 3419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return The layout resource ID. 3429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getLayoutResource() { 3449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mLayoutResId; 3459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets The layout for the controllable widget portion of this Preference. This 3499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * is inflated into the main layout. For example, a {@link CheckBoxPreference} 3509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * would specify a custom layout (consisting of just the CheckBox) here, 3519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * instead of creating its own main layout. 3529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 3539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param widgetLayoutResId The layout resource ID to be inflated into the 3549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * main layout. 3559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #setLayoutResource(int) 3569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setWidgetLayoutResource(int widgetLayoutResId) { 358a98129b9110371aa036d8fcf23fff709595b16ffAmith Yamasani if (widgetLayoutResId != mWidgetLayoutResId) { 359a98129b9110371aa036d8fcf23fff709595b16ffAmith Yamasani // Layout changed 360a98129b9110371aa036d8fcf23fff709595b16ffAmith Yamasani mHasSpecifiedLayout = true; 361a98129b9110371aa036d8fcf23fff709595b16ffAmith Yamasani } 3629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mWidgetLayoutResId = widgetLayoutResId; 3639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Gets the layout resource for the controllable widget portion of this Preference. 3679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 3689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return The layout resource ID. 3699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getWidgetLayoutResource() { 3719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mWidgetLayoutResId; 3729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Gets the View that will be shown in the {@link PreferenceActivity}. 3769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 3779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param convertView The old View to reuse, if possible. Note: You should 3789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * check that this View is non-null and of an appropriate type 3799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * before using. If it is not possible to convert this View to 3809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * display the correct data, this method can create a new View. 3819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param parent The parent that this View will eventually be attached to. 3829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return Returns the same Preference object, for chaining multiple calls 3839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * into a single statement. 3849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #onCreateView(ViewGroup) 3859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #onBindView(View) 3869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public View getView(View convertView, ViewGroup parent) { 3889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (convertView == null) { 389bae6fc244732476d6e6b565e64518e1beafd66c6Amith Yamasani convertView = onCreateView(parent); 3909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project onBindView(convertView); 3929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return convertView; 3939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Creates the View to be shown for this Preference in the 3979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link PreferenceActivity}. The default behavior is to inflate the main 3989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * layout of this Preference (see {@link #setLayoutResource(int)}. If 3999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * changing this behavior, please specify a {@link ViewGroup} with ID 4009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link android.R.id#widget_frame}. 4019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p> 4029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Make sure to call through to the superclass's implementation. 4039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 4049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param parent The parent that this View will eventually be attached to. 4059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return The View that displays this Preference. 4069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #onBindView(View) 4079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected View onCreateView(ViewGroup parent) { 4099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final LayoutInflater layoutInflater = 4109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (LayoutInflater) mContext.getSystemService(Context.LAYOUT_INFLATER_SERVICE); 4119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View layout = layoutInflater.inflate(mLayoutResId, parent, false); 4139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mWidgetLayoutResId != 0) { 4159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final ViewGroup widgetFrame = (ViewGroup)layout.findViewById(com.android.internal.R.id.widget_frame); 4169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project layoutInflater.inflate(mWidgetLayoutResId, widgetFrame); 4179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return layout; 4209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Binds the created View to the data for this Preference. 4249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p> 4259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * This is a good place to grab references to custom Views in the layout and 4269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * set properties on them. 4279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p> 4289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Make sure to call through to the superclass's implementation. 4299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 4309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param view The View that shows this Preference. 4319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #onCreateView(ViewGroup) 4329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void onBindView(View view) { 4349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project TextView textView = (TextView) view.findViewById(com.android.internal.R.id.title); 4359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (textView != null) { 4369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project textView.setText(getTitle()); 4379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project textView = (TextView) view.findViewById(com.android.internal.R.id.summary); 4409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (textView != null) { 4419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final CharSequence summary = getSummary(); 4429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!TextUtils.isEmpty(summary)) { 4439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (textView.getVisibility() != View.VISIBLE) { 4449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project textView.setVisibility(View.VISIBLE); 4459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project textView.setText(getSummary()); 4489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 4499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (textView.getVisibility() != View.GONE) { 4509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project textView.setVisibility(View.GONE); 4519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mShouldDisableView) { 4569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setEnabledStateOnViews(view, isEnabled()); 4579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Makes sure the view (and any children) get the enabled state changed. 4629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void setEnabledStateOnViews(View v, boolean enabled) { 4649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project v.setEnabled(enabled); 4659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (v instanceof ViewGroup) { 4679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final ViewGroup vg = (ViewGroup) v; 4689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = vg.getChildCount() - 1; i >= 0; i--) { 4699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setEnabledStateOnViews(vg.getChildAt(i), enabled); 4709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the order of this Preference with respect to other 4769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Preference objects on the same level. If this is not specified, the 4779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * default behavior is to sort alphabetically. The 4789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link PreferenceGroup#setOrderingAsAdded(boolean)} can be used to order 4799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Preference objects based on the order they appear in the XML. 4809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 4819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param order The order for this Preference. A lower value will be shown 4829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * first. Use {@link #DEFAULT_ORDER} to sort alphabetically or 4839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * allow ordering from XML. 4849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see PreferenceGroup#setOrderingAsAdded(boolean) 4859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #DEFAULT_ORDER 4869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setOrder(int order) { 4889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (order != mOrder) { 4899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mOrder = order; 4909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Reorder the list 4929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project notifyHierarchyChanged(); 4939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Gets the order of this Preference with respect to other Preference objects 4989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * on the same level. 4999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 5009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return The order of this Preference. 5019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #setOrder(int) 5029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getOrder() { 5049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mOrder; 5059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the title for this Preference with a CharSequence. 5099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * This title will be placed into the ID 5109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link android.R.id#title} within the View created by 5119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link #onCreateView(ViewGroup)}. 5129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 5139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param title The title for this Preference. 5149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setTitle(CharSequence title) { 5169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (title == null && mTitle != null || title != null && !title.equals(mTitle)) { 5179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTitle = title; 5189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project notifyChanged(); 5199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the title for this Preference with a resource ID. 5249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 5259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #setTitle(CharSequence) 5269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param titleResId The title as a resource ID. 5279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setTitle(int titleResId) { 5299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setTitle(mContext.getString(titleResId)); 5309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the title of this Preference. 5349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 5359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return The title. 5369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #setTitle(CharSequence) 5379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public CharSequence getTitle() { 5399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mTitle; 5409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the summary of this Preference. 5449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 5459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return The summary. 5469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #setSummary(CharSequence) 5479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public CharSequence getSummary() { 5499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mSummary; 5509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the summary for this Preference with a CharSequence. 5549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 5559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param summary The summary for the preference. 5569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setSummary(CharSequence summary) { 5589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (summary == null && mSummary != null || summary != null && !summary.equals(mSummary)) { 5599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSummary = summary; 5609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project notifyChanged(); 5619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the summary for this Preference with a resource ID. 5669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 5679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #setSummary(CharSequence) 5689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param summaryResId The summary as a resource. 5699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setSummary(int summaryResId) { 5719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setSummary(mContext.getString(summaryResId)); 5729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets whether this Preference is enabled. If disabled, it will 5769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * not handle clicks. 5779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 5789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param enabled Set true to enable it. 5799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setEnabled(boolean enabled) { 5819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mEnabled != enabled) { 5829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mEnabled = enabled; 5839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Enabled state can change dependent preferences' states, so notify 5859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project notifyDependencyChange(shouldDisableDependents()); 5869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project notifyChanged(); 5889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Checks whether this Preference should be enabled in the list. 5939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 5949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return True if this Preference is enabled, false otherwise. 5959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean isEnabled() { 597da53eca79e02ac70761c379f9f2cb3babce9e79dMichael Chan return mEnabled && mDependencyMet; 5989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 6019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets whether this Preference is selectable. 6029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 6039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param selectable Set true to make it selectable. 6049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setSelectable(boolean selectable) { 6069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mSelectable != selectable) { 6079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSelectable = selectable; 6089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project notifyChanged(); 6099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 6139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Checks whether this Preference should be selectable in the list. 6149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 6159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return True if it is selectable, false otherwise. 6169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean isSelectable() { 6189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mSelectable; 6199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 6229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets whether this Preference should disable its view when it gets 6239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * disabled. 6249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p> 6259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * For example, set this and {@link #setEnabled(boolean)} to false for 6269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * preferences that are only displaying information and 1) should not be 6279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * clickable 2) should not have the view set to the disabled state. 6289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 6299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param shouldDisableView Set true if this preference should disable its view 6309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * when the preference is disabled. 6319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setShouldDisableView(boolean shouldDisableView) { 6339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mShouldDisableView = shouldDisableView; 6349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project notifyChanged(); 6359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 6389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Checks whether this Preference should disable its view when it's action is disabled. 6399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #setShouldDisableView(boolean) 6409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return True if it should disable the view. 6419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean getShouldDisableView() { 6439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mShouldDisableView; 6449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 6479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns a unique ID for this Preference. This ID should be unique across all 6489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Preference objects in a hierarchy. 6499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 6509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return A unique ID for this Preference. 6519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project long getId() { 6539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mId; 6549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 6579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Processes a click on the preference. This includes saving the value to 6589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the {@link SharedPreferences}. However, the overridden method should 6599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * call {@link #callChangeListener(Object)} to make sure the client wants to 6609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * update the preference's state with the new value. 6619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void onClick() { 6639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 6669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the key for this Preference, which is used as a key to the 6679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link SharedPreferences}. This should be unique for the package. 6689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 6699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param key The key for the preference. 6709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setKey(String key) { 6729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mKey = key; 6739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mRequiresKey && !hasKey()) { 6759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project requireKey(); 6769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 6809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Gets the key for this Preference, which is also the key used for storing 6819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * values into SharedPreferences. 6829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 6839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return The key. 6849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public String getKey() { 6869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mKey; 6879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 6909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Checks whether the key is present, and if it isn't throws an 6919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * exception. This should be called by subclasses that store preferences in 6929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the {@link SharedPreferences}. 6939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 6949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @throws IllegalStateException If there is no key assigned. 6959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void requireKey() { 6979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mKey == null) { 6989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalStateException("Preference does not have a key assigned."); 6999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mRequiresKey = true; 7029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 7059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Checks whether this Preference has a valid key. 7069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 7079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return True if the key exists and is not a blank string, false otherwise. 7089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean hasKey() { 7109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return !TextUtils.isEmpty(mKey); 7119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 7149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Checks whether this Preference is persistent. If it is, it stores its value(s) into 7159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the persistent {@link SharedPreferences} storage. 7169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 7179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return True if it is persistent. 7189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean isPersistent() { 7209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mPersistent; 7219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 7249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Checks whether, at the given time this method is called, 7259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * this Preference should store/restore its value(s) into the 7269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link SharedPreferences}. This, at minimum, checks whether this 7279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Preference is persistent and it currently has a key. Before you 7289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * save/restore from the {@link SharedPreferences}, check this first. 7299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 7309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return True if it should persist the value. 7319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected boolean shouldPersist() { 7339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mPreferenceManager != null && isPersistent() && hasKey(); 7349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 7379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets whether this Preference is persistent. When persistent, 7389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * it stores its value(s) into the persistent {@link SharedPreferences} 7399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * storage. 7409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 7419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param persistent Set true if it should store its value(s) into the {@link SharedPreferences}. 7429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setPersistent(boolean persistent) { 7449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPersistent = persistent; 7459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 7489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Call this method after the user changes the preference, but before the 7499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * internal state is set. This allows the client to ignore the user value. 7509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 7519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param newValue The new value of this Preference. 7529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return True if the user value should be set as the preference 7539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * value (and persisted). 7549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected boolean callChangeListener(Object newValue) { 7569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mOnChangeListener == null ? true : mOnChangeListener.onPreferenceChange(this, newValue); 7579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 7609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the callback to be invoked when this Preference is changed by the 7619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * user (but before the internal state has been updated). 7629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 7639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param onPreferenceChangeListener The callback to be invoked. 7649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setOnPreferenceChangeListener(OnPreferenceChangeListener onPreferenceChangeListener) { 7669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mOnChangeListener = onPreferenceChangeListener; 7679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 7709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the callback to be invoked when this Preference is changed by the 7719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * user (but before the internal state has been updated). 7729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 7739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return The callback to be invoked. 7749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public OnPreferenceChangeListener getOnPreferenceChangeListener() { 7769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mOnChangeListener; 7779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 7809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the callback to be invoked when this Preference is clicked. 7819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 7829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param onPreferenceClickListener The callback to be invoked. 7839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setOnPreferenceClickListener(OnPreferenceClickListener onPreferenceClickListener) { 7859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mOnClickListener = onPreferenceClickListener; 7869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 7899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the callback to be invoked when this Preference is clicked. 7909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 7919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return The callback to be invoked. 7929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public OnPreferenceClickListener getOnPreferenceClickListener() { 7949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mOnClickListener; 7959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 7989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Called when a click should be performed. 7999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 8009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param preferenceScreen A {@link PreferenceScreen} whose hierarchy click 8019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * listener should be called in the proper order (between other 8029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * processing). May be null. 8039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 8049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void performClick(PreferenceScreen preferenceScreen) { 8059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!isEnabled()) { 8079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 8089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project onClick(); 8119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mOnClickListener != null && mOnClickListener.onPreferenceClick(this)) { 8139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 8149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project PreferenceManager preferenceManager = getPreferenceManager(); 8179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (preferenceManager != null) { 8189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project PreferenceManager.OnPreferenceTreeClickListener listener = preferenceManager 8199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project .getOnPreferenceTreeClickListener(); 8209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (preferenceScreen != null && listener != null 8219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project && listener.onPreferenceTreeClick(preferenceScreen, this)) { 8229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 8239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mIntent != null) { 8279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Context context = getContext(); 8289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project context.startActivity(mIntent); 8299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 8339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the {@link android.content.Context} of this Preference. 8349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Each Preference in a Preference hierarchy can be 8359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * from different Context (for example, if multiple activities provide preferences into a single 8369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link PreferenceActivity}). This Context will be used to save the Preference values. 8379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 8389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return The Context of this Preference. 8399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 8409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Context getContext() { 8419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mContext; 8429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 8459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the {@link SharedPreferences} where this Preference can read its 8469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * value(s). Usually, it's easier to use one of the helper read methods: 8479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link #getPersistedBoolean(boolean)}, {@link #getPersistedFloat(float)}, 8489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link #getPersistedInt(int)}, {@link #getPersistedLong(long)}, 8499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link #getPersistedString(String)}. To save values, see 8509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link #getEditor()}. 8519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p> 8529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * In some cases, writes to the {@link #getEditor()} will not be committed 8539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * right away and hence not show up in the returned 8549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link SharedPreferences}, this is intended behavior to improve 8559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * performance. 8569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 8579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return The {@link SharedPreferences} where this Preference reads its 8589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * value(s), or null if it isn't attached to a Preference hierarchy. 8599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #getEditor() 8609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 8619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public SharedPreferences getSharedPreferences() { 8629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mPreferenceManager == null) { 8639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return null; 8649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mPreferenceManager.getSharedPreferences(); 8679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 8709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns an {@link SharedPreferences.Editor} where this Preference can 8719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * save its value(s). Usually it's easier to use one of the helper save 8729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * methods: {@link #persistBoolean(boolean)}, {@link #persistFloat(float)}, 8739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link #persistInt(int)}, {@link #persistLong(long)}, 8749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link #persistString(String)}. To read values, see 8759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link #getSharedPreferences()}. If {@link #shouldCommit()} returns 8769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * true, it is this Preference's responsibility to commit. 8779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p> 8789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * In some cases, writes to this will not be committed right away and hence 8799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * not show up in the SharedPreferences, this is intended behavior to 8809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * improve performance. 8819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 8829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return A {@link SharedPreferences.Editor} where this preference saves 8839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * its value(s), or null if it isn't attached to a Preference 8849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * hierarchy. 8859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #shouldCommit() 8869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #getSharedPreferences() 8879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 8889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public SharedPreferences.Editor getEditor() { 8899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mPreferenceManager == null) { 8909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return null; 8919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mPreferenceManager.getEditor(); 8949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 8979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns whether the {@link Preference} should commit its saved value(s) in 8989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link #getEditor()}. This may return false in situations where batch 8999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * committing is being done (by the manager) to improve performance. 9009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 9019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return Whether the Preference should commit its saved value(s). 9029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #getEditor() 9039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 9049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean shouldCommit() { 9059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mPreferenceManager == null) { 9069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 9079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mPreferenceManager.shouldCommit(); 9109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 9139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Compares Preference objects based on order (if set), otherwise alphabetically on the titles. 9149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 9159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param another The Preference to compare to this one. 9169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return 0 if the same; less than 0 if this Preference sorts ahead of <var>another</var>; 9179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * greater than 0 if this Preference sorts after <var>another</var>. 9189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 9199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int compareTo(Preference another) { 9209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mOrder != DEFAULT_ORDER 9219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project || (mOrder == DEFAULT_ORDER && another.mOrder != DEFAULT_ORDER)) { 9229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Do order comparison 9239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mOrder - another.mOrder; 9249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (mTitle == null) { 9259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return 1; 9269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (another.mTitle == null) { 9279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 9289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 9299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Do name comparison 9309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return CharSequences.compareToIgnoreCase(mTitle, another.mTitle); 9319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 9359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the internal change listener. 9369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 9379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param listener The listener. 9389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #notifyChanged() 9399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 9409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final void setOnPreferenceChangeInternalListener(OnPreferenceChangeInternalListener listener) { 9419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mListener = listener; 9429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 9459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Should be called when the data of this {@link Preference} has changed. 9469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 9479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void notifyChanged() { 9489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mListener != null) { 9499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mListener.onPreferenceChange(this); 9509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 9549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Should be called when a Preference has been 9559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * added/removed from this group, or the ordering should be 9569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * re-evaluated. 9579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 9589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void notifyHierarchyChanged() { 9599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mListener != null) { 9609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mListener.onPreferenceHierarchyChange(this); 9619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 9659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Gets the {@link PreferenceManager} that manages this Preference object's tree. 9669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 9679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return The {@link PreferenceManager}. 9689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 9699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public PreferenceManager getPreferenceManager() { 9709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mPreferenceManager; 9719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 9749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Called when this Preference has been attached to a Preference hierarchy. 9759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Make sure to call the super implementation. 9769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 9779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param preferenceManager The PreferenceManager of the hierarchy. 9789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 9799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void onAttachedToHierarchy(PreferenceManager preferenceManager) { 9809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPreferenceManager = preferenceManager; 9819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mId = preferenceManager.getNextId(); 9839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dispatchSetInitialValue(); 9859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 9889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Called when the Preference hierarchy has been attached to the 9899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link PreferenceActivity}. This can also be called when this 9909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Preference has been attached to a group that was already attached 9919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * to the {@link PreferenceActivity}. 9929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 9939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void onAttachedToActivity() { 9949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // At this point, the hierarchy that this preference is in is connected 9959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // with all other preferences. 9969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project registerDependency(); 9979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void registerDependency() { 10009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (TextUtils.isEmpty(mDependencyKey)) return; 10029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Preference preference = findPreferenceInHierarchy(mDependencyKey); 10049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (preference != null) { 10059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project preference.registerDependent(this); 10069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 10079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalStateException("Dependency \"" + mDependencyKey 10089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project + "\" not found for preference \"" + mKey + "\" (title: \"" + mTitle + "\""); 10099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void unregisterDependency() { 10139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mDependencyKey != null) { 10149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final Preference oldDependency = findPreferenceInHierarchy(mDependencyKey); 10159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (oldDependency != null) { 10169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project oldDependency.unregisterDependent(this); 10179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 10229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Finds a Preference in this hierarchy (the whole thing, 10239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * even above/below your {@link PreferenceScreen} screen break) with the given 10249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * key. 10259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p> 10269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * This only functions after we have been attached to a hierarchy. 10279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 10289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param key The key of the Preference to find. 10299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return The Preference that uses the given key. 10309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 10319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected Preference findPreferenceInHierarchy(String key) { 10329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (TextUtils.isEmpty(key) || mPreferenceManager == null) { 10339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return null; 10349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mPreferenceManager.findPreference(key); 10379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 10409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Adds a dependent Preference on this Preference so we can notify it. 10419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Usually, the dependent Preference registers itself (it's good for it to 10429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * know it depends on something), so please use 10439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link Preference#setDependency(String)} on the dependent Preference. 10449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 10459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param dependent The dependent Preference that will be enabled/disabled 10469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * according to the state of this Preference. 10479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 10489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void registerDependent(Preference dependent) { 10499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mDependents == null) { 10509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDependents = new ArrayList<Preference>(); 10519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDependents.add(dependent); 10549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dependent.onDependencyChanged(this, shouldDisableDependents()); 10569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 10599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Removes a dependent Preference on this Preference. 10609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 10619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param dependent The dependent Preference that will be enabled/disabled 10629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * according to the state of this Preference. 10639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return Returns the same Preference object, for chaining multiple calls 10649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * into a single statement. 10659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 10669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void unregisterDependent(Preference dependent) { 10679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mDependents != null) { 10689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDependents.remove(dependent); 10699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 10739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Notifies any listening dependents of a change that affects the 10749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * dependency. 10759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 10769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param disableDependents Whether this Preference should disable 10779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * its dependents. 10789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 10799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void notifyDependencyChange(boolean disableDependents) { 10809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final List<Preference> dependents = mDependents; 10819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (dependents == null) { 10839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 10849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int dependentsCount = dependents.size(); 10879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < dependentsCount; i++) { 10889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dependents.get(i).onDependencyChanged(this, disableDependents); 10899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 10939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Called when the dependency changes. 10949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 10959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param dependency The Preference that this Preference depends on. 10969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param disableDependent Set true to disable this Preference. 10979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 10989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void onDependencyChanged(Preference dependency, boolean disableDependent) { 1099da53eca79e02ac70761c379f9f2cb3babce9e79dMichael Chan if (mDependencyMet == disableDependent) { 1100da53eca79e02ac70761c379f9f2cb3babce9e79dMichael Chan mDependencyMet = !disableDependent; 1101da53eca79e02ac70761c379f9f2cb3babce9e79dMichael Chan 1102da53eca79e02ac70761c379f9f2cb3babce9e79dMichael Chan // Enabled state can change dependent preferences' states, so notify 1103da53eca79e02ac70761c379f9f2cb3babce9e79dMichael Chan notifyDependencyChange(shouldDisableDependents()); 1104da53eca79e02ac70761c379f9f2cb3babce9e79dMichael Chan 1105da53eca79e02ac70761c379f9f2cb3babce9e79dMichael Chan notifyChanged(); 1106da53eca79e02ac70761c379f9f2cb3babce9e79dMichael Chan } 11079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 11109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Checks whether this preference's dependents should currently be 11119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * disabled. 11129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 11139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return True if the dependents should be disabled, otherwise false. 11149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 11159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean shouldDisableDependents() { 11169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return !isEnabled(); 11179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 11209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the key of a Preference that this Preference will depend on. If that 11219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Preference is not set or is off, this Preference will be disabled. 11229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 11239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param dependencyKey The key of the Preference that this depends on. 11249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 11259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setDependency(String dependencyKey) { 11269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Unregister the old dependency, if we had one 11279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project unregisterDependency(); 11289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Register the new 11309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDependencyKey = dependencyKey; 11319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project registerDependency(); 11329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 11359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the key of the dependency on this Preference. 11369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 11379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return The key of the dependency. 11389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #setDependency(String) 11399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 11409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public String getDependency() { 11419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mDependencyKey; 11429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 11459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Called when this Preference is being removed from the hierarchy. You 11469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * should remove any references to this Preference that you know about. Make 11479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * sure to call through to the superclass implementation. 11489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 11499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void onPrepareForRemoval() { 11509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project unregisterDependency(); 11519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 11549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the default value for this Preference, which will be set either if 11559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * persistence is off or persistence is on and the preference is not found 11569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * in the persistent storage. 11579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 11589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param defaultValue The default value. 11599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 11609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setDefaultValue(Object defaultValue) { 11619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDefaultValue = defaultValue; 11629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void dispatchSetInitialValue() { 11659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // By now, we know if we are persistent. 11669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final boolean shouldPersist = shouldPersist(); 11679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!shouldPersist || !getSharedPreferences().contains(mKey)) { 11689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mDefaultValue != null) { 11699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project onSetInitialValue(false, mDefaultValue); 11709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 11729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project onSetInitialValue(true, null); 11739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 11779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Implement this to set the initial value of the Preference. 11789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p> 11799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * If <var>restorePersistedValue</var> is true, you should restore the 11809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Preference value from the {@link android.content.SharedPreferences}. If 11819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <var>restorePersistedValue</var> is false, you should set the Preference 11829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * value to defaultValue that is given (and possibly store to SharedPreferences 11839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * if {@link #shouldPersist()} is true). 11849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p> 11859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * This may not always be called. One example is if it should not persist 11869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * but there is no default value given. 11879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 11889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param restorePersistedValue True to restore the persisted value; 11899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * false to use the given <var>defaultValue</var>. 11909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param defaultValue The default value for this Preference. Only use this 11919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * if <var>restorePersistedValue</var> is false. 11929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 11939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void onSetInitialValue(boolean restorePersistedValue, Object defaultValue) { 11949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void tryCommit(SharedPreferences.Editor editor) { 11979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mPreferenceManager.shouldCommit()) { 11989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project editor.commit(); 11999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 12039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Attempts to persist a String to the {@link android.content.SharedPreferences}. 12049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p> 12059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * This will check if this Preference is persistent, get an editor from 12069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the {@link PreferenceManager}, put in the string, and check if we should commit (and 12079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * commit if so). 12089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 12099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param value The value to persist. 12109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return True if the Preference is persistent. (This is not whether the 12119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * value was persisted, since we may not necessarily commit if there 12129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * will be a batch commit later.) 12139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #getPersistedString(String) 12149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 12159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected boolean persistString(String value) { 12169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (shouldPersist()) { 12179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Shouldn't store null 12189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (value == getPersistedString(null)) { 12199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // It's already there, so the same as persisting 12209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 12219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project SharedPreferences.Editor editor = mPreferenceManager.getEditor(); 12249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project editor.putString(mKey, value); 12259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project tryCommit(editor); 12269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 12279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 12299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 12329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Attempts to get a persisted String from the {@link android.content.SharedPreferences}. 12339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p> 12349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * This will check if this Preference is persistent, get the SharedPreferences 12359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * from the {@link PreferenceManager}, and get the value. 12369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 12379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param defaultReturnValue The default value to return if either the 12389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Preference is not persistent or the Preference is not in the 12399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * shared preferences. 12409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return The value from the SharedPreferences or the default return 12419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * value. 12429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #persistString(String) 12439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 12449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected String getPersistedString(String defaultReturnValue) { 12459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!shouldPersist()) { 12469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return defaultReturnValue; 12479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mPreferenceManager.getSharedPreferences().getString(mKey, defaultReturnValue); 12509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 12539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Attempts to persist an int to the {@link android.content.SharedPreferences}. 12549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 12559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param value The value to persist. 12569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return True if the Preference is persistent. (This is not whether the 12579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * value was persisted, since we may not necessarily commit if there 12589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * will be a batch commit later.) 12599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #persistString(String) 12609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #getPersistedInt(int) 12619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 12629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected boolean persistInt(int value) { 12639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (shouldPersist()) { 12649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (value == getPersistedInt(~value)) { 12659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // It's already there, so the same as persisting 12669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 12679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project SharedPreferences.Editor editor = mPreferenceManager.getEditor(); 12709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project editor.putInt(mKey, value); 12719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project tryCommit(editor); 12729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 12739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 12759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 12789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Attempts to get a persisted int from the {@link android.content.SharedPreferences}. 12799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 12809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param defaultReturnValue The default value to return if either this 12819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Preference is not persistent or this Preference is not in the 12829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * SharedPreferences. 12839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return The value from the SharedPreferences or the default return 12849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * value. 12859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #getPersistedString(String) 12869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #persistInt(int) 12879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 12889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected int getPersistedInt(int defaultReturnValue) { 12899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!shouldPersist()) { 12909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return defaultReturnValue; 12919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mPreferenceManager.getSharedPreferences().getInt(mKey, defaultReturnValue); 12949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 12979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Attempts to persist a float to the {@link android.content.SharedPreferences}. 12989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 12999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param value The value to persist. 13009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return True if this Preference is persistent. (This is not whether the 13019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * value was persisted, since we may not necessarily commit if there 13029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * will be a batch commit later.) 13039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #persistString(String) 13049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #getPersistedFloat(float) 13059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 13069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected boolean persistFloat(float value) { 13079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (shouldPersist()) { 13089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (value == getPersistedFloat(Float.NaN)) { 13099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // It's already there, so the same as persisting 13109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 13119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project SharedPreferences.Editor editor = mPreferenceManager.getEditor(); 13149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project editor.putFloat(mKey, value); 13159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project tryCommit(editor); 13169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 13179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 13199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 13229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Attempts to get a persisted float from the {@link android.content.SharedPreferences}. 13239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 13249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param defaultReturnValue The default value to return if either this 13259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Preference is not persistent or this Preference is not in the 13269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * SharedPreferences. 13279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return The value from the SharedPreferences or the default return 13289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * value. 13299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #getPersistedString(String) 13309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #persistFloat(float) 13319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 13329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected float getPersistedFloat(float defaultReturnValue) { 13339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!shouldPersist()) { 13349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return defaultReturnValue; 13359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mPreferenceManager.getSharedPreferences().getFloat(mKey, defaultReturnValue); 13389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 13419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Attempts to persist a long to the {@link android.content.SharedPreferences}. 13429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 13439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param value The value to persist. 13449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return True if this Preference is persistent. (This is not whether the 13459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * value was persisted, since we may not necessarily commit if there 13469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * will be a batch commit later.) 13479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #persistString(String) 13489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #getPersistedLong(long) 13499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 13509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected boolean persistLong(long value) { 13519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (shouldPersist()) { 13529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (value == getPersistedLong(~value)) { 13539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // It's already there, so the same as persisting 13549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 13559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project SharedPreferences.Editor editor = mPreferenceManager.getEditor(); 13589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project editor.putLong(mKey, value); 13599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project tryCommit(editor); 13609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 13619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 13639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 13669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Attempts to get a persisted long from the {@link android.content.SharedPreferences}. 13679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 13689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param defaultReturnValue The default value to return if either this 13699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Preference is not persistent or this Preference is not in the 13709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * SharedPreferences. 13719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return The value from the SharedPreferences or the default return 13729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * value. 13739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #getPersistedString(String) 13749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #persistLong(long) 13759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 13769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected long getPersistedLong(long defaultReturnValue) { 13779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!shouldPersist()) { 13789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return defaultReturnValue; 13799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mPreferenceManager.getSharedPreferences().getLong(mKey, defaultReturnValue); 13829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 13859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Attempts to persist a boolean to the {@link android.content.SharedPreferences}. 13869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 13879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param value The value to persist. 13889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return True if this Preference is persistent. (This is not whether the 13899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * value was persisted, since we may not necessarily commit if there 13909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * will be a batch commit later.) 13919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #persistString(String) 13929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #getPersistedBoolean(boolean) 13939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 13949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected boolean persistBoolean(boolean value) { 13959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (shouldPersist()) { 13969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (value == getPersistedBoolean(!value)) { 13979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // It's already there, so the same as persisting 13989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 13999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project SharedPreferences.Editor editor = mPreferenceManager.getEditor(); 14029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project editor.putBoolean(mKey, value); 14039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project tryCommit(editor); 14049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 14059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 14079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 14109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Attempts to get a persisted boolean from the {@link android.content.SharedPreferences}. 14119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 14129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param defaultReturnValue The default value to return if either this 14139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Preference is not persistent or this Preference is not in the 14149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * SharedPreferences. 14159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return The value from the SharedPreferences or the default return 14169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * value. 14179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #getPersistedString(String) 14189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #persistBoolean(boolean) 14199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 14209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected boolean getPersistedBoolean(boolean defaultReturnValue) { 14219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!shouldPersist()) { 14229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return defaultReturnValue; 14239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mPreferenceManager.getSharedPreferences().getBoolean(mKey, defaultReturnValue); 14269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean hasSpecifiedLayout() { 14299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mHasSpecifiedLayout; 14309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 14339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public String toString() { 14349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return getFilterableStringBuilder().toString(); 14359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 14389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the text that will be used to filter this Preference depending on 14399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * user input. 14409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p> 14419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * If overridding and calling through to the superclass, make sure to prepend 14429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * your additions with a space. 14439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 14449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return Text as a {@link StringBuilder} that will be used to filter this 14459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * preference. By default, this is the title and summary 14469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * (concatenated with a space). 14479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 14489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project StringBuilder getFilterableStringBuilder() { 14499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project StringBuilder sb = new StringBuilder(); 14509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project CharSequence title = getTitle(); 14519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!TextUtils.isEmpty(title)) { 14529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sb.append(title).append(' '); 14539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project CharSequence summary = getSummary(); 14559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!TextUtils.isEmpty(summary)) { 14569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sb.append(summary).append(' '); 14579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14580bb9960598067f3320cdae8ab42c1ba0f3376f21Tammo Spalink if (sb.length() > 0) { 14590bb9960598067f3320cdae8ab42c1ba0f3376f21Tammo Spalink // Drop the last space 14600bb9960598067f3320cdae8ab42c1ba0f3376f21Tammo Spalink sb.setLength(sb.length() - 1); 14610bb9960598067f3320cdae8ab42c1ba0f3376f21Tammo Spalink } 14629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return sb; 14639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 14669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Store this Preference hierarchy's frozen state into the given container. 14679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 14689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param container The Bundle in which to save the instance of this Preference. 14699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 14709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #restoreHierarchyState 14719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #onSaveInstanceState 14729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 14739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void saveHierarchyState(Bundle container) { 14749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dispatchSaveInstanceState(container); 14759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 14789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Called by {@link #saveHierarchyState} to store the instance for this Preference and its children. 14799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * May be overridden to modify how the save happens for children. For example, some 14809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Preference objects may want to not store an instance for their children. 14819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 14829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param container The Bundle in which to save the instance of this Preference. 14839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 14849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #saveHierarchyState 14859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #onSaveInstanceState 14869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 14879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void dispatchSaveInstanceState(Bundle container) { 14889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (hasKey()) { 14899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mBaseMethodCalled = false; 14909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Parcelable state = onSaveInstanceState(); 14919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!mBaseMethodCalled) { 14929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalStateException( 14939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "Derived class did not call super.onSaveInstanceState()"); 14949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (state != null) { 14969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project container.putParcelable(mKey, state); 14979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 15029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Hook allowing a Preference to generate a representation of its internal 15039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * state that can later be used to create a new instance with that same 15049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * state. This state should only contain information that is not persistent 15059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * or can be reconstructed later. 15069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 15079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return A Parcelable object containing the current dynamic state of 15089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * this Preference, or null if there is nothing interesting to save. 15099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The default implementation returns null. 15109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #onRestoreInstanceState 15119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #saveHierarchyState 15129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 15139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected Parcelable onSaveInstanceState() { 15149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mBaseMethodCalled = true; 15159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return BaseSavedState.EMPTY_STATE; 15169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 15199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Restore this Preference hierarchy's previously saved state from the given container. 15209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 15219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param container The Bundle that holds the previously saved state. 15229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 15239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #saveHierarchyState 15249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #onRestoreInstanceState 15259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 15269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void restoreHierarchyState(Bundle container) { 15279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dispatchRestoreInstanceState(container); 15289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 15319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Called by {@link #restoreHierarchyState} to retrieve the saved state for this 15329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Preference and its children. May be overridden to modify how restoring 15339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * happens to the children of a Preference. For example, some Preference objects may 15349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * not want to save state for their children. 15359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 15369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param container The Bundle that holds the previously saved state. 15379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #restoreHierarchyState 15389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #onRestoreInstanceState 15399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 15409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void dispatchRestoreInstanceState(Bundle container) { 15419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (hasKey()) { 15429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Parcelable state = container.getParcelable(mKey); 15439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (state != null) { 15449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mBaseMethodCalled = false; 15459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project onRestoreInstanceState(state); 15469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!mBaseMethodCalled) { 15479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalStateException( 15489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "Derived class did not call super.onRestoreInstanceState()"); 15499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 15559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Hook allowing a Preference to re-apply a representation of its internal 15569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * state that had previously been generated by {@link #onSaveInstanceState}. 15579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * This function will never be called with a null state. 15589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 15599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param state The saved state that had previously been returned by 15609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link #onSaveInstanceState}. 15619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #onSaveInstanceState 15629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #restoreHierarchyState 15639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 15649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void onRestoreInstanceState(Parcelable state) { 15659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mBaseMethodCalled = true; 15669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (state != BaseSavedState.EMPTY_STATE && state != null) { 15679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalArgumentException("Wrong state class -- expecting Preference State"); 15689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 15729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * A base class for managing the instance state of a {@link Preference}. 15739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 15749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static class BaseSavedState extends AbsSavedState { 15759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public BaseSavedState(Parcel source) { 15769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super(source); 15779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public BaseSavedState(Parcelable superState) { 15809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super(superState); 15819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final Parcelable.Creator<BaseSavedState> CREATOR = 15849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project new Parcelable.Creator<BaseSavedState>() { 15859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public BaseSavedState createFromParcel(Parcel in) { 15869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return new BaseSavedState(in); 15879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public BaseSavedState[] newArray(int size) { 15909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return new BaseSavedState[size]; 15919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project }; 15939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1596