Preference.java revision b65897ba50c76e2110f5b5de455c14ca53d4069b
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 19212db7d3f8ce5297f4a556234a9c0675c697f1cfAdam Powellimport com.android.internal.util.CharSequences; 209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.content.Context; 229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.content.Intent; 239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.content.SharedPreferences; 249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.content.res.TypedArray; 25b65897ba50c76e2110f5b5de455c14ca53d4069bAmith Yamasaniimport android.graphics.drawable.Drawable; 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 android.view.AbsSavedState; 329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.view.LayoutInflater; 339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.view.View; 349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.view.ViewGroup; 35b65897ba50c76e2110f5b5de455c14ca53d4069bAmith Yamasaniimport android.widget.ImageView; 369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.widget.ListView; 379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.widget.TextView; 389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 39212db7d3f8ce5297f4a556234a9c0675c697f1cfAdam Powellimport java.util.ArrayList; 40212db7d3f8ce5297f4a556234a9c0675c697f1cfAdam Powellimport java.util.List; 41212db7d3f8ce5297f4a556234a9c0675c697f1cfAdam Powellimport java.util.Set; 42212db7d3f8ce5297f4a556234a9c0675c697f1cfAdam Powell 439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/** 449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Represents the basic Preference UI building 459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * block displayed by a {@link PreferenceActivity} in the form of a 469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link ListView}. This class provides the {@link View} to be displayed in 479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the activity and associates with a {@link SharedPreferences} to 489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * store/retrieve the preference data. 499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p> 509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * When specifying a preference hierarchy in XML, each element can point to a 519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * subclass of {@link Preference}, similar to the view hierarchy and layouts. 529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p> 539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * This class contains a {@code key} that will be used as the key into the 549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link SharedPreferences}. It is up to the subclass to decide how to store 559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the value. 569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 57b65897ba50c76e2110f5b5de455c14ca53d4069bAmith Yamasani * @attr ref android.R.styleable#Preference_icon 589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#Preference_key 599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#Preference_title 609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#Preference_summary 619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#Preference_order 62b3cf10ffa8ff9cac0da8b23a0d84076b3f501400Dianne Hackborn * @attr ref android.R.styleable#Preference_fragment 639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#Preference_layout 649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#Preference_widgetLayout 659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#Preference_enabled 669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#Preference_selectable 679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#Preference_dependency 689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#Preference_persistent 699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#Preference_defaultValue 709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @attr ref android.R.styleable#Preference_shouldDisableView 719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpublic class Preference implements Comparable<Preference>, OnDependencyChangeListener { 739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Specify for {@link #setOrder(int)} if a specific order is not required. 759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int DEFAULT_ORDER = Integer.MAX_VALUE; 779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private Context mContext; 799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private PreferenceManager mPreferenceManager; 809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Set when added to hierarchy since we need a unique ID within that 839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * hierarchy. 849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private long mId; 869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private OnPreferenceChangeListener mOnChangeListener; 889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private OnPreferenceClickListener mOnClickListener; 899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mOrder = DEFAULT_ORDER; 919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private CharSequence mTitle; 929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private CharSequence mSummary; 93b65897ba50c76e2110f5b5de455c14ca53d4069bAmith Yamasani /** 94b65897ba50c76e2110f5b5de455c14ca53d4069bAmith Yamasani * mIconResId is overridden by mIcon, if mIcon is specified. 95b65897ba50c76e2110f5b5de455c14ca53d4069bAmith Yamasani */ 96b65897ba50c76e2110f5b5de455c14ca53d4069bAmith Yamasani private int mIconResId; 97b65897ba50c76e2110f5b5de455c14ca53d4069bAmith Yamasani private Drawable mIcon; 989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private String mKey; 999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private Intent mIntent; 100b3cf10ffa8ff9cac0da8b23a0d84076b3f501400Dianne Hackborn private String mFragment; 101def1537e9e8d0dd190cde5310ddae8b921088c9bDianne Hackborn private Bundle mExtras; 1029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private boolean mEnabled = true; 1039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private boolean mSelectable = true; 1049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private boolean mRequiresKey; 1059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private boolean mPersistent = true; 1069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private String mDependencyKey; 1079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private Object mDefaultValue; 108da53eca79e02ac70761c379f9f2cb3babce9e79dMichael Chan private boolean mDependencyMet = true; 1099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #setShouldDisableView(boolean) 1129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private boolean mShouldDisableView = true; 1149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mLayoutResId = com.android.internal.R.layout.preference; 1169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mWidgetLayoutResId; 1179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private boolean mHasSpecifiedLayout = false; 1189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private OnPreferenceChangeInternalListener mListener; 1209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private List<Preference> mDependents; 1229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private boolean mBaseMethodCalled; 1249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Interface definition for a callback to be invoked when the value of this 1279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link Preference} has been changed by the user and is 1289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * about to be set and/or persisted. This gives the client a chance 1299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * to prevent setting and/or persisting the value. 1309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public interface OnPreferenceChangeListener { 1329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Called when a Preference has been changed by the user. This is 1349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * called before the state of the Preference is about to be updated and 1359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * before the state is persisted. 1369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 1379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param preference The changed Preference. 1389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param newValue The new value of the Preference. 1399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return True to update the state of the Preference with the new value. 1409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean onPreferenceChange(Preference preference, Object newValue); 1429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Interface definition for a callback to be invoked when a {@link Preference} is 1469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * clicked. 1479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public interface OnPreferenceClickListener { 1499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Called when a Preference has been clicked. 1519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 1529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param preference The Preference that was clicked. 1539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return True if the click was handled. 1549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean onPreferenceClick(Preference preference); 1569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Interface definition for a callback to be invoked when this 1609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link Preference} is changed or, if this is a group, there is an 1619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * addition/removal of {@link Preference}(s). This is used internally. 1629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project interface OnPreferenceChangeInternalListener { 1649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Called when this Preference has changed. 1669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 1679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param preference This preference. 1689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void onPreferenceChange(Preference preference); 1709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Called when this group has added/removed {@link Preference}(s). 1739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 1749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param preference This Preference. 1759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void onPreferenceHierarchyChange(Preference preference); 1779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Perform inflation from XML and apply a class-specific base style. This 1819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * constructor of Preference allows subclasses to use their own base 1829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * style when they are inflating. For example, a {@link CheckBoxPreference} 1839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * constructor calls this version of the super class constructor and 1849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * supplies {@code android.R.attr.checkBoxPreferenceStyle} for <var>defStyle</var>. 1859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * This allows the theme's checkbox preference style to modify all of the base 1869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * preference attributes as well as the {@link CheckBoxPreference} class's 1879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * attributes. 1889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 1899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param context The Context this is associated with, through which it can 1909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * access the current theme, resources, {@link SharedPreferences}, 1919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * etc. 1929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param attrs The attributes of the XML tag that is inflating the preference. 1939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param defStyle The default style to apply to this preference. If 0, no style 1949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * will be applied (beyond what is included in the theme). This 1959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * may either be an attribute resource, whose value will be 1969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * retrieved from the current theme, or an explicit style 1979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * resource. 1989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #Preference(Context, AttributeSet) 1999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Preference(Context context, AttributeSet attrs, int defStyle) { 2019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mContext = context; 2029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project TypedArray a = context.obtainStyledAttributes(attrs, 204a98129b9110371aa036d8fcf23fff709595b16ffAmith Yamasani com.android.internal.R.styleable.Preference, defStyle, 0); 2059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = a.getIndexCount(); i >= 0; i--) { 2069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int attr = a.getIndex(i); 2079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project switch (attr) { 208b65897ba50c76e2110f5b5de455c14ca53d4069bAmith Yamasani case com.android.internal.R.styleable.Preference_icon: 209b65897ba50c76e2110f5b5de455c14ca53d4069bAmith Yamasani mIconResId = a.getResourceId(attr, 0); 210b65897ba50c76e2110f5b5de455c14ca53d4069bAmith Yamasani break; 211b65897ba50c76e2110f5b5de455c14ca53d4069bAmith Yamasani 2129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case com.android.internal.R.styleable.Preference_key: 2139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mKey = a.getString(attr); 2149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 2159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case com.android.internal.R.styleable.Preference_title: 2179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTitle = a.getString(attr); 2189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 2199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case com.android.internal.R.styleable.Preference_summary: 2219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSummary = a.getString(attr); 2229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 2239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case com.android.internal.R.styleable.Preference_order: 2259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mOrder = a.getInt(attr, mOrder); 2269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 2279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 228b3cf10ffa8ff9cac0da8b23a0d84076b3f501400Dianne Hackborn case com.android.internal.R.styleable.Preference_fragment: 229b3cf10ffa8ff9cac0da8b23a0d84076b3f501400Dianne Hackborn mFragment = a.getString(attr); 230b3cf10ffa8ff9cac0da8b23a0d84076b3f501400Dianne Hackborn break; 231b3cf10ffa8ff9cac0da8b23a0d84076b3f501400Dianne Hackborn 2329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case com.android.internal.R.styleable.Preference_layout: 2339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLayoutResId = a.getResourceId(attr, mLayoutResId); 2349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 2359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case com.android.internal.R.styleable.Preference_widgetLayout: 2379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mWidgetLayoutResId = a.getResourceId(attr, mWidgetLayoutResId); 2389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 2399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case com.android.internal.R.styleable.Preference_enabled: 2419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mEnabled = a.getBoolean(attr, true); 2429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 2439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case com.android.internal.R.styleable.Preference_selectable: 2459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSelectable = a.getBoolean(attr, true); 2469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 2479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case com.android.internal.R.styleable.Preference_persistent: 2499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPersistent = a.getBoolean(attr, mPersistent); 2509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 2519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case com.android.internal.R.styleable.Preference_dependency: 2539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDependencyKey = a.getString(attr); 2549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 2559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case com.android.internal.R.styleable.Preference_defaultValue: 2579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDefaultValue = onGetDefaultValue(a, attr); 2589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 2599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case com.android.internal.R.styleable.Preference_shouldDisableView: 2619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mShouldDisableView = a.getBoolean(attr, mShouldDisableView); 2629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 2639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project a.recycle(); 266a98129b9110371aa036d8fcf23fff709595b16ffAmith Yamasani 267a98129b9110371aa036d8fcf23fff709595b16ffAmith Yamasani if (!getClass().getName().startsWith("android.preference")) { 268a98129b9110371aa036d8fcf23fff709595b16ffAmith Yamasani // For subclasses not in this package, assume the worst and don't cache views 269a98129b9110371aa036d8fcf23fff709595b16ffAmith Yamasani mHasSpecifiedLayout = true; 270a98129b9110371aa036d8fcf23fff709595b16ffAmith Yamasani } 2719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Constructor that is called when inflating a Preference from XML. This is 2759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * called when a Preference is being constructed from an XML file, supplying 2769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * attributes that were specified in the XML file. This version uses a 2779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * default style of 0, so the only attribute values applied are those in the 2789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Context's Theme and the given AttributeSet. 2799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 2809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param context The Context this is associated with, through which it can 2819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * access the current theme, resources, {@link SharedPreferences}, 2829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * etc. 2839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param attrs The attributes of the XML tag that is inflating the 2849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * preference. 2859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #Preference(Context, AttributeSet, int) 2869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Preference(Context context, AttributeSet attrs) { 2889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project this(context, attrs, 0); 2899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Constructor to create a Preference. 2939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 2949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param context The Context in which to store Preference values. 2959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Preference(Context context) { 2979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project this(context, null); 2989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Called when a Preference is being inflated and the default value 3029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * attribute needs to be read. Since different Preference types have 3039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * different value types, the subclass should get and return the default 3049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * value which will be its value type. 3059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p> 3069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * For example, if the value type is String, the body of the method would 3079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * proxy to {@link TypedArray#getString(int)}. 3089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 3099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param a The set of attributes. 3109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param index The index of the default value attribute. 3119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return The default value of this preference type. 3129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected Object onGetDefaultValue(TypedArray a, int index) { 3149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return null; 3159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets an {@link Intent} to be used for 3199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link Context#startActivity(Intent)} when this Preference is clicked. 3209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 3219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param intent The intent associated with this Preference. 3229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setIntent(Intent intent) { 3249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mIntent = intent; 3259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Return the {@link Intent} associated with this Preference. 3299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 3309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return The {@link Intent} last set via {@link #setIntent(Intent)} or XML. 3319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Intent getIntent() { 3339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mIntent; 3349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 337b3cf10ffa8ff9cac0da8b23a0d84076b3f501400Dianne Hackborn * Sets the class name of a fragment to be shown when this Preference is clicked. 338b3cf10ffa8ff9cac0da8b23a0d84076b3f501400Dianne Hackborn * 339b3cf10ffa8ff9cac0da8b23a0d84076b3f501400Dianne Hackborn * @param fragment The class name of the fragment associated with this Preference. 340b3cf10ffa8ff9cac0da8b23a0d84076b3f501400Dianne Hackborn */ 341b3cf10ffa8ff9cac0da8b23a0d84076b3f501400Dianne Hackborn public void setFragment(String fragment) { 342b3cf10ffa8ff9cac0da8b23a0d84076b3f501400Dianne Hackborn mFragment = fragment; 343b3cf10ffa8ff9cac0da8b23a0d84076b3f501400Dianne Hackborn } 344b3cf10ffa8ff9cac0da8b23a0d84076b3f501400Dianne Hackborn 345b3cf10ffa8ff9cac0da8b23a0d84076b3f501400Dianne Hackborn /** 346b3cf10ffa8ff9cac0da8b23a0d84076b3f501400Dianne Hackborn * Return the fragment class name associated with this Preference. 347b3cf10ffa8ff9cac0da8b23a0d84076b3f501400Dianne Hackborn * 348b3cf10ffa8ff9cac0da8b23a0d84076b3f501400Dianne Hackborn * @return The fragment class name last set via {@link #setFragment} or XML. 349b3cf10ffa8ff9cac0da8b23a0d84076b3f501400Dianne Hackborn */ 350b3cf10ffa8ff9cac0da8b23a0d84076b3f501400Dianne Hackborn public String getFragment() { 351b3cf10ffa8ff9cac0da8b23a0d84076b3f501400Dianne Hackborn return mFragment; 352b3cf10ffa8ff9cac0da8b23a0d84076b3f501400Dianne Hackborn } 353b3cf10ffa8ff9cac0da8b23a0d84076b3f501400Dianne Hackborn 354b3cf10ffa8ff9cac0da8b23a0d84076b3f501400Dianne Hackborn /** 355def1537e9e8d0dd190cde5310ddae8b921088c9bDianne Hackborn * Return the extras Bundle object associated with this preference, creating 356def1537e9e8d0dd190cde5310ddae8b921088c9bDianne Hackborn * a new Bundle if there currently isn't one. You can use this to get and 357def1537e9e8d0dd190cde5310ddae8b921088c9bDianne Hackborn * set individual extra key/value pairs. 358def1537e9e8d0dd190cde5310ddae8b921088c9bDianne Hackborn */ 359def1537e9e8d0dd190cde5310ddae8b921088c9bDianne Hackborn public Bundle getExtras() { 360def1537e9e8d0dd190cde5310ddae8b921088c9bDianne Hackborn if (mExtras == null) { 361def1537e9e8d0dd190cde5310ddae8b921088c9bDianne Hackborn mExtras = new Bundle(); 362def1537e9e8d0dd190cde5310ddae8b921088c9bDianne Hackborn } 363def1537e9e8d0dd190cde5310ddae8b921088c9bDianne Hackborn return mExtras; 364def1537e9e8d0dd190cde5310ddae8b921088c9bDianne Hackborn } 365def1537e9e8d0dd190cde5310ddae8b921088c9bDianne Hackborn 366def1537e9e8d0dd190cde5310ddae8b921088c9bDianne Hackborn /** 367def1537e9e8d0dd190cde5310ddae8b921088c9bDianne Hackborn * Return the extras Bundle object associated with this preference, 368def1537e9e8d0dd190cde5310ddae8b921088c9bDianne Hackborn * returning null if there is not currently one. 369def1537e9e8d0dd190cde5310ddae8b921088c9bDianne Hackborn */ 370def1537e9e8d0dd190cde5310ddae8b921088c9bDianne Hackborn public Bundle peekExtras() { 371def1537e9e8d0dd190cde5310ddae8b921088c9bDianne Hackborn return mExtras; 372def1537e9e8d0dd190cde5310ddae8b921088c9bDianne Hackborn } 373def1537e9e8d0dd190cde5310ddae8b921088c9bDianne Hackborn 374def1537e9e8d0dd190cde5310ddae8b921088c9bDianne Hackborn /** 3759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the layout resource that is inflated as the {@link View} to be shown 3769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * for this Preference. In most cases, the default layout is sufficient for 3779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * custom Preference objects and only the widget layout needs to be changed. 3789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p> 3799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * This layout should contain a {@link ViewGroup} with ID 3809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link android.R.id#widget_frame} to be the parent of the specific widget 3819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * for this Preference. It should similarly contain 3829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link android.R.id#title} and {@link android.R.id#summary}. 3839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 3849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param layoutResId The layout resource ID to be inflated and returned as 3859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * a {@link View}. 3869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #setWidgetLayoutResource(int) 3879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setLayoutResource(int layoutResId) { 389a98129b9110371aa036d8fcf23fff709595b16ffAmith Yamasani if (layoutResId != mLayoutResId) { 390a98129b9110371aa036d8fcf23fff709595b16ffAmith Yamasani // Layout changed 3919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mHasSpecifiedLayout = true; 3929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 393a98129b9110371aa036d8fcf23fff709595b16ffAmith Yamasani 3949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLayoutResId = layoutResId; 3959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Gets the layout resource that will be shown as the {@link View} for this Preference. 3999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 4009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return The layout resource ID. 4019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getLayoutResource() { 4039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mLayoutResId; 4049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets The layout for the controllable widget portion of this Preference. This 4089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * is inflated into the main layout. For example, a {@link CheckBoxPreference} 4099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * would specify a custom layout (consisting of just the CheckBox) here, 4109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * instead of creating its own main layout. 4119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 4129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param widgetLayoutResId The layout resource ID to be inflated into the 4139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * main layout. 4149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #setLayoutResource(int) 4159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setWidgetLayoutResource(int widgetLayoutResId) { 417a98129b9110371aa036d8fcf23fff709595b16ffAmith Yamasani if (widgetLayoutResId != mWidgetLayoutResId) { 418a98129b9110371aa036d8fcf23fff709595b16ffAmith Yamasani // Layout changed 419a98129b9110371aa036d8fcf23fff709595b16ffAmith Yamasani mHasSpecifiedLayout = true; 420a98129b9110371aa036d8fcf23fff709595b16ffAmith Yamasani } 4219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mWidgetLayoutResId = widgetLayoutResId; 4229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Gets the layout resource for the controllable widget portion of this Preference. 4269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 4279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return The layout resource ID. 4289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getWidgetLayoutResource() { 4309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mWidgetLayoutResId; 4319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Gets the View that will be shown in the {@link PreferenceActivity}. 4359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 4369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param convertView The old View to reuse, if possible. Note: You should 4379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * check that this View is non-null and of an appropriate type 4389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * before using. If it is not possible to convert this View to 4399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * display the correct data, this method can create a new View. 4409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param parent The parent that this View will eventually be attached to. 4419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return Returns the same Preference object, for chaining multiple calls 4429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * into a single statement. 4439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #onCreateView(ViewGroup) 4449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #onBindView(View) 4459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public View getView(View convertView, ViewGroup parent) { 4479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (convertView == null) { 448bae6fc244732476d6e6b565e64518e1beafd66c6Amith Yamasani convertView = onCreateView(parent); 4499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project onBindView(convertView); 4519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return convertView; 4529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Creates the View to be shown for this Preference in the 4569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link PreferenceActivity}. The default behavior is to inflate the main 4579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * layout of this Preference (see {@link #setLayoutResource(int)}. If 4589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * changing this behavior, please specify a {@link ViewGroup} with ID 4599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link android.R.id#widget_frame}. 4609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p> 4619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Make sure to call through to the superclass's implementation. 4629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 4639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param parent The parent that this View will eventually be attached to. 4649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return The View that displays this Preference. 4659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #onBindView(View) 4669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected View onCreateView(ViewGroup parent) { 4689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final LayoutInflater layoutInflater = 4699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (LayoutInflater) mContext.getSystemService(Context.LAYOUT_INFLATER_SERVICE); 4709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View layout = layoutInflater.inflate(mLayoutResId, parent, false); 4729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mWidgetLayoutResId != 0) { 4749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final ViewGroup widgetFrame = (ViewGroup)layout.findViewById(com.android.internal.R.id.widget_frame); 4759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project layoutInflater.inflate(mWidgetLayoutResId, widgetFrame); 4769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return layout; 4799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Binds the created View to the data for this Preference. 4839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p> 4849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * This is a good place to grab references to custom Views in the layout and 4859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * set properties on them. 4869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p> 4879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Make sure to call through to the superclass's implementation. 4889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 4899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param view The View that shows this Preference. 4909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #onCreateView(ViewGroup) 4919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void onBindView(View view) { 4939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project TextView textView = (TextView) view.findViewById(com.android.internal.R.id.title); 4949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (textView != null) { 4959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project textView.setText(getTitle()); 4969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project textView = (TextView) view.findViewById(com.android.internal.R.id.summary); 4999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (textView != null) { 5009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final CharSequence summary = getSummary(); 5019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!TextUtils.isEmpty(summary)) { 5029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (textView.getVisibility() != View.VISIBLE) { 5039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project textView.setVisibility(View.VISIBLE); 5049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project textView.setText(getSummary()); 5079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 5089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (textView.getVisibility() != View.GONE) { 5099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project textView.setVisibility(View.GONE); 5109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 514b65897ba50c76e2110f5b5de455c14ca53d4069bAmith Yamasani ImageView imageView = (ImageView) view.findViewById(com.android.internal.R.id.icon); 515b65897ba50c76e2110f5b5de455c14ca53d4069bAmith Yamasani if (imageView != null && (mIconResId != 0 || mIcon != null)) { 516b65897ba50c76e2110f5b5de455c14ca53d4069bAmith Yamasani if (mIcon == null) { 517b65897ba50c76e2110f5b5de455c14ca53d4069bAmith Yamasani mIcon = getContext().getResources().getDrawable(mIconResId); 518b65897ba50c76e2110f5b5de455c14ca53d4069bAmith Yamasani } 519b65897ba50c76e2110f5b5de455c14ca53d4069bAmith Yamasani if (mIcon != null) { 520b65897ba50c76e2110f5b5de455c14ca53d4069bAmith Yamasani imageView.setImageDrawable(mIcon); 521b65897ba50c76e2110f5b5de455c14ca53d4069bAmith Yamasani } 522b65897ba50c76e2110f5b5de455c14ca53d4069bAmith Yamasani } 5239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mShouldDisableView) { 5249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setEnabledStateOnViews(view, isEnabled()); 5259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 527b65897ba50c76e2110f5b5de455c14ca53d4069bAmith Yamasani 5289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Makes sure the view (and any children) get the enabled state changed. 5309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void setEnabledStateOnViews(View v, boolean enabled) { 5329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project v.setEnabled(enabled); 5339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (v instanceof ViewGroup) { 5359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final ViewGroup vg = (ViewGroup) v; 5369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = vg.getChildCount() - 1; i >= 0; i--) { 5379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setEnabledStateOnViews(vg.getChildAt(i), enabled); 5389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the order of this Preference with respect to other 5449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Preference objects on the same level. If this is not specified, the 5459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * default behavior is to sort alphabetically. The 5469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link PreferenceGroup#setOrderingAsAdded(boolean)} can be used to order 5479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Preference objects based on the order they appear in the XML. 5489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 5499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param order The order for this Preference. A lower value will be shown 5509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * first. Use {@link #DEFAULT_ORDER} to sort alphabetically or 5519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * allow ordering from XML. 5529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see PreferenceGroup#setOrderingAsAdded(boolean) 5539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #DEFAULT_ORDER 5549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setOrder(int order) { 5569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (order != mOrder) { 5579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mOrder = order; 5589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Reorder the list 5609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project notifyHierarchyChanged(); 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 * Gets the order of this Preference with respect to other Preference objects 5669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * on the same level. 5679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 5689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return The order of this Preference. 5699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #setOrder(int) 5709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getOrder() { 5729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mOrder; 5739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the title for this Preference with a CharSequence. 5779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * This title will be placed into the ID 5789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link android.R.id#title} within the View created by 5799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link #onCreateView(ViewGroup)}. 5809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 5819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param title The title for this Preference. 5829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setTitle(CharSequence title) { 5849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (title == null && mTitle != null || title != null && !title.equals(mTitle)) { 5859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTitle = title; 5869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project notifyChanged(); 5879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the title for this Preference with a resource ID. 5929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 5939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #setTitle(CharSequence) 5949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param titleResId The title as a resource ID. 5959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setTitle(int titleResId) { 5979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setTitle(mContext.getString(titleResId)); 5989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 6019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the title of this Preference. 6029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 6039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return The title. 6049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #setTitle(CharSequence) 6059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public CharSequence getTitle() { 6079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mTitle; 6089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 611b65897ba50c76e2110f5b5de455c14ca53d4069bAmith Yamasani * Sets the icon for this Preference with a Drawable. 612b65897ba50c76e2110f5b5de455c14ca53d4069bAmith Yamasani * This icon will be placed into the ID 613b65897ba50c76e2110f5b5de455c14ca53d4069bAmith Yamasani * {@link android.R.id#icon} within the View created by 614b65897ba50c76e2110f5b5de455c14ca53d4069bAmith Yamasani * {@link #onCreateView(ViewGroup)}. 615b65897ba50c76e2110f5b5de455c14ca53d4069bAmith Yamasani * 616b65897ba50c76e2110f5b5de455c14ca53d4069bAmith Yamasani * @param icon The optional icon for this Preference. 617b65897ba50c76e2110f5b5de455c14ca53d4069bAmith Yamasani */ 618b65897ba50c76e2110f5b5de455c14ca53d4069bAmith Yamasani public void setIcon(Drawable icon) { 619b65897ba50c76e2110f5b5de455c14ca53d4069bAmith Yamasani if ((icon == null && mIcon != null) || (icon != null && mIcon != icon)) { 620b65897ba50c76e2110f5b5de455c14ca53d4069bAmith Yamasani mIcon = icon; 621b65897ba50c76e2110f5b5de455c14ca53d4069bAmith Yamasani notifyChanged(); 622b65897ba50c76e2110f5b5de455c14ca53d4069bAmith Yamasani } 623b65897ba50c76e2110f5b5de455c14ca53d4069bAmith Yamasani } 624b65897ba50c76e2110f5b5de455c14ca53d4069bAmith Yamasani 625b65897ba50c76e2110f5b5de455c14ca53d4069bAmith Yamasani /** 626b65897ba50c76e2110f5b5de455c14ca53d4069bAmith Yamasani * Sets the icon for this Preference with a resource ID. 627b65897ba50c76e2110f5b5de455c14ca53d4069bAmith Yamasani * 628b65897ba50c76e2110f5b5de455c14ca53d4069bAmith Yamasani * @see #setIcon(Drawable) 629b65897ba50c76e2110f5b5de455c14ca53d4069bAmith Yamasani * @param iconResId The icon as a resource ID. 630b65897ba50c76e2110f5b5de455c14ca53d4069bAmith Yamasani */ 631b65897ba50c76e2110f5b5de455c14ca53d4069bAmith Yamasani public void setIcon(int iconResId) { 632b65897ba50c76e2110f5b5de455c14ca53d4069bAmith Yamasani mIconResId = iconResId; 633b65897ba50c76e2110f5b5de455c14ca53d4069bAmith Yamasani setIcon(mContext.getResources().getDrawable(iconResId)); 634b65897ba50c76e2110f5b5de455c14ca53d4069bAmith Yamasani } 635b65897ba50c76e2110f5b5de455c14ca53d4069bAmith Yamasani 636b65897ba50c76e2110f5b5de455c14ca53d4069bAmith Yamasani /** 637b65897ba50c76e2110f5b5de455c14ca53d4069bAmith Yamasani * Returns the icon of this Preference. 638b65897ba50c76e2110f5b5de455c14ca53d4069bAmith Yamasani * 639b65897ba50c76e2110f5b5de455c14ca53d4069bAmith Yamasani * @return The icon. 640b65897ba50c76e2110f5b5de455c14ca53d4069bAmith Yamasani * @see #setIcon(Drawable) 641b65897ba50c76e2110f5b5de455c14ca53d4069bAmith Yamasani */ 642b65897ba50c76e2110f5b5de455c14ca53d4069bAmith Yamasani public Drawable getIcon() { 643b65897ba50c76e2110f5b5de455c14ca53d4069bAmith Yamasani return mIcon; 644b65897ba50c76e2110f5b5de455c14ca53d4069bAmith Yamasani } 645b65897ba50c76e2110f5b5de455c14ca53d4069bAmith Yamasani 646b65897ba50c76e2110f5b5de455c14ca53d4069bAmith Yamasani /** 6479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the summary of this Preference. 6489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 6499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return The summary. 6509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #setSummary(CharSequence) 6519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public CharSequence getSummary() { 6539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mSummary; 6549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 6579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the summary for this Preference with a CharSequence. 6589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 6599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param summary The summary for the preference. 6609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setSummary(CharSequence summary) { 6629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (summary == null && mSummary != null || summary != null && !summary.equals(mSummary)) { 6639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSummary = summary; 6649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project notifyChanged(); 6659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 6699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the summary for this Preference with a resource ID. 6709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 6719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #setSummary(CharSequence) 6729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param summaryResId The summary as a resource. 6739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setSummary(int summaryResId) { 6759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setSummary(mContext.getString(summaryResId)); 6769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 6799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets whether this Preference is enabled. If disabled, it will 6809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * not handle clicks. 6819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 6829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param enabled Set true to enable it. 6839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setEnabled(boolean enabled) { 6859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mEnabled != enabled) { 6869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mEnabled = enabled; 6879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Enabled state can change dependent preferences' states, so notify 6899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project notifyDependencyChange(shouldDisableDependents()); 6909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project notifyChanged(); 6929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 6969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Checks whether this Preference should be enabled in the list. 6979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 6989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return True if this Preference is enabled, false otherwise. 6999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean isEnabled() { 701da53eca79e02ac70761c379f9f2cb3babce9e79dMichael Chan return mEnabled && mDependencyMet; 7029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 7059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets whether this Preference is selectable. 7069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 7079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param selectable Set true to make it selectable. 7089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setSelectable(boolean selectable) { 7109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mSelectable != selectable) { 7119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSelectable = selectable; 7129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project notifyChanged(); 7139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 7179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Checks whether this Preference should be selectable in the list. 7189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 7199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return True if it is selectable, false otherwise. 7209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean isSelectable() { 7229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mSelectable; 7239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 7269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets whether this Preference should disable its view when it gets 7279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * disabled. 7289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p> 7299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * For example, set this and {@link #setEnabled(boolean)} to false for 7309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * preferences that are only displaying information and 1) should not be 7319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * clickable 2) should not have the view set to the disabled state. 7329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 7339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param shouldDisableView Set true if this preference should disable its view 7349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * when the preference is disabled. 7359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setShouldDisableView(boolean shouldDisableView) { 7379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mShouldDisableView = shouldDisableView; 7389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project notifyChanged(); 7399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 7429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Checks whether this Preference should disable its view when it's action is disabled. 7439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #setShouldDisableView(boolean) 7449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return True if it should disable the view. 7459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean getShouldDisableView() { 7479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mShouldDisableView; 7489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 7519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns a unique ID for this Preference. This ID should be unique across all 7529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Preference objects in a hierarchy. 7539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 7549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return A unique ID for this Preference. 7559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project long getId() { 7579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mId; 7589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 7619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Processes a click on the preference. This includes saving the value to 7629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the {@link SharedPreferences}. However, the overridden method should 7639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * call {@link #callChangeListener(Object)} to make sure the client wants to 7649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * update the preference's state with the new value. 7659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void onClick() { 7679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 7709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the key for this Preference, which is used as a key to the 7719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link SharedPreferences}. This should be unique for the package. 7729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 7739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param key The key for the preference. 7749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setKey(String key) { 7769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mKey = key; 7779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mRequiresKey && !hasKey()) { 7799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project requireKey(); 7809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 7849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Gets the key for this Preference, which is also the key used for storing 7859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * values into SharedPreferences. 7869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 7879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return The key. 7889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public String getKey() { 7909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mKey; 7919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 7949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Checks whether the key is present, and if it isn't throws an 7959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * exception. This should be called by subclasses that store preferences in 7969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the {@link SharedPreferences}. 7979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 7989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @throws IllegalStateException If there is no key assigned. 7999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 8009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void requireKey() { 8019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mKey == null) { 8029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalStateException("Preference does not have a key assigned."); 8039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mRequiresKey = true; 8069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 8099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Checks whether this Preference has a valid key. 8109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 8119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return True if the key exists and is not a blank string, false otherwise. 8129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 8139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean hasKey() { 8149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return !TextUtils.isEmpty(mKey); 8159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 8189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Checks whether this Preference is persistent. If it is, it stores its value(s) into 8199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the persistent {@link SharedPreferences} storage. 8209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 8219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return True if it is persistent. 8229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 8239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean isPersistent() { 8249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mPersistent; 8259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 8289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Checks whether, at the given time this method is called, 8299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * this Preference should store/restore its value(s) into the 8309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link SharedPreferences}. This, at minimum, checks whether this 8319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Preference is persistent and it currently has a key. Before you 8329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * save/restore from the {@link SharedPreferences}, check this first. 8339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 8349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return True if it should persist the value. 8359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 8369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected boolean shouldPersist() { 8379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mPreferenceManager != null && isPersistent() && hasKey(); 8389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 8419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets whether this Preference is persistent. When persistent, 8429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * it stores its value(s) into the persistent {@link SharedPreferences} 8439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * storage. 8449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 8459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param persistent Set true if it should store its value(s) into the {@link SharedPreferences}. 8469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 8479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setPersistent(boolean persistent) { 8489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPersistent = persistent; 8499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 8529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Call this method after the user changes the preference, but before the 8539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * internal state is set. This allows the client to ignore the user value. 8549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 8559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param newValue The new value of this Preference. 8569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return True if the user value should be set as the preference 8579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * value (and persisted). 8589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 8599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected boolean callChangeListener(Object newValue) { 8609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mOnChangeListener == null ? true : mOnChangeListener.onPreferenceChange(this, newValue); 8619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 8649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the callback to be invoked when this Preference is changed by the 8659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * user (but before the internal state has been updated). 8669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 8679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param onPreferenceChangeListener The callback to be invoked. 8689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 8699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setOnPreferenceChangeListener(OnPreferenceChangeListener onPreferenceChangeListener) { 8709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mOnChangeListener = onPreferenceChangeListener; 8719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 8749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the callback to be invoked when this Preference is changed by the 8759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * user (but before the internal state has been updated). 8769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 8779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return The callback to be invoked. 8789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 8799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public OnPreferenceChangeListener getOnPreferenceChangeListener() { 8809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mOnChangeListener; 8819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 8849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the callback to be invoked when this Preference is clicked. 8859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 8869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param onPreferenceClickListener The callback to be invoked. 8879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 8889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setOnPreferenceClickListener(OnPreferenceClickListener onPreferenceClickListener) { 8899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mOnClickListener = onPreferenceClickListener; 8909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 8939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the callback to be invoked when this Preference is clicked. 8949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 8959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return The callback to be invoked. 8969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 8979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public OnPreferenceClickListener getOnPreferenceClickListener() { 8989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mOnClickListener; 8999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 9029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Called when a click should be performed. 9039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 9049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param preferenceScreen A {@link PreferenceScreen} whose hierarchy click 9059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * listener should be called in the proper order (between other 9069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * processing). May be null. 9079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 9089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void performClick(PreferenceScreen preferenceScreen) { 9099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!isEnabled()) { 9119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 9129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project onClick(); 9159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mOnClickListener != null && mOnClickListener.onPreferenceClick(this)) { 9179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 9189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project PreferenceManager preferenceManager = getPreferenceManager(); 9219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (preferenceManager != null) { 9229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project PreferenceManager.OnPreferenceTreeClickListener listener = preferenceManager 9239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project .getOnPreferenceTreeClickListener(); 9249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (preferenceScreen != null && listener != null 9259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project && listener.onPreferenceTreeClick(preferenceScreen, this)) { 9269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 9279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mIntent != null) { 9319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Context context = getContext(); 9329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project context.startActivity(mIntent); 9339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 9379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the {@link android.content.Context} of this Preference. 9389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Each Preference in a Preference hierarchy can be 9399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * from different Context (for example, if multiple activities provide preferences into a single 9409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link PreferenceActivity}). This Context will be used to save the Preference values. 9419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 9429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return The Context of this Preference. 9439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 9449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Context getContext() { 9459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mContext; 9469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 9499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the {@link SharedPreferences} where this Preference can read its 9509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * value(s). Usually, it's easier to use one of the helper read methods: 9519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link #getPersistedBoolean(boolean)}, {@link #getPersistedFloat(float)}, 9529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link #getPersistedInt(int)}, {@link #getPersistedLong(long)}, 9539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link #getPersistedString(String)}. To save values, see 9549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link #getEditor()}. 9559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p> 9569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * In some cases, writes to the {@link #getEditor()} will not be committed 9579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * right away and hence not show up in the returned 9589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link SharedPreferences}, this is intended behavior to improve 9599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * performance. 9609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 9619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return The {@link SharedPreferences} where this Preference reads its 9629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * value(s), or null if it isn't attached to a Preference hierarchy. 9639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #getEditor() 9649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 9659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public SharedPreferences getSharedPreferences() { 9669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mPreferenceManager == null) { 9679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return null; 9689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mPreferenceManager.getSharedPreferences(); 9719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 9749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns an {@link SharedPreferences.Editor} where this Preference can 9759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * save its value(s). Usually it's easier to use one of the helper save 9769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * methods: {@link #persistBoolean(boolean)}, {@link #persistFloat(float)}, 9779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link #persistInt(int)}, {@link #persistLong(long)}, 9789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link #persistString(String)}. To read values, see 9799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link #getSharedPreferences()}. If {@link #shouldCommit()} returns 9809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * true, it is this Preference's responsibility to commit. 9819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p> 9829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * In some cases, writes to this will not be committed right away and hence 9839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * not show up in the SharedPreferences, this is intended behavior to 9849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * improve performance. 9859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 9869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return A {@link SharedPreferences.Editor} where this preference saves 9879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * its value(s), or null if it isn't attached to a Preference 9889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * hierarchy. 9899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #shouldCommit() 9909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #getSharedPreferences() 9919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 9929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public SharedPreferences.Editor getEditor() { 9939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mPreferenceManager == null) { 9949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return null; 9959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mPreferenceManager.getEditor(); 9989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 10019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns whether the {@link Preference} should commit its saved value(s) in 10029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link #getEditor()}. This may return false in situations where batch 10039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * committing is being done (by the manager) to improve performance. 10049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 10059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return Whether the Preference should commit its saved value(s). 10069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #getEditor() 10079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 10089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean shouldCommit() { 10099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mPreferenceManager == null) { 10109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 10119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mPreferenceManager.shouldCommit(); 10149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 10179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Compares Preference objects based on order (if set), otherwise alphabetically on the titles. 10189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 10199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param another The Preference to compare to this one. 10209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return 0 if the same; less than 0 if this Preference sorts ahead of <var>another</var>; 10219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * greater than 0 if this Preference sorts after <var>another</var>. 10229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 10239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int compareTo(Preference another) { 10249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mOrder != DEFAULT_ORDER 10259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project || (mOrder == DEFAULT_ORDER && another.mOrder != DEFAULT_ORDER)) { 10269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Do order comparison 10279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mOrder - another.mOrder; 10289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (mTitle == null) { 10299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return 1; 10309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (another.mTitle == null) { 10319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 10329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 10339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Do name comparison 10349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return CharSequences.compareToIgnoreCase(mTitle, another.mTitle); 10359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 10399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the internal change listener. 10409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 10419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param listener The listener. 10429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #notifyChanged() 10439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 10449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final void setOnPreferenceChangeInternalListener(OnPreferenceChangeInternalListener listener) { 10459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mListener = listener; 10469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 10499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Should be called when the data of this {@link Preference} has changed. 10509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 10519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void notifyChanged() { 10529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mListener != null) { 10539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mListener.onPreferenceChange(this); 10549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 10589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Should be called when a Preference has been 10599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * added/removed from this group, or the ordering should be 10609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * re-evaluated. 10619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 10629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void notifyHierarchyChanged() { 10639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mListener != null) { 10649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mListener.onPreferenceHierarchyChange(this); 10659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 10699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Gets the {@link PreferenceManager} that manages this Preference object's tree. 10709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 10719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return The {@link PreferenceManager}. 10729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 10739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public PreferenceManager getPreferenceManager() { 10749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mPreferenceManager; 10759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 10789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Called when this Preference has been attached to a Preference hierarchy. 10799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Make sure to call the super implementation. 10809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 10819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param preferenceManager The PreferenceManager of the hierarchy. 10829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 10839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void onAttachedToHierarchy(PreferenceManager preferenceManager) { 10849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPreferenceManager = preferenceManager; 10859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mId = preferenceManager.getNextId(); 10879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dispatchSetInitialValue(); 10899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 10929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Called when the Preference hierarchy has been attached to the 10939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link PreferenceActivity}. This can also be called when this 10949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Preference has been attached to a group that was already attached 10959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * to the {@link PreferenceActivity}. 10969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 10979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void onAttachedToActivity() { 10989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // At this point, the hierarchy that this preference is in is connected 10999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // with all other preferences. 11009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project registerDependency(); 11019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void registerDependency() { 11049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (TextUtils.isEmpty(mDependencyKey)) return; 11069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Preference preference = findPreferenceInHierarchy(mDependencyKey); 11089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (preference != null) { 11099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project preference.registerDependent(this); 11109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 11119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalStateException("Dependency \"" + mDependencyKey 11129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project + "\" not found for preference \"" + mKey + "\" (title: \"" + mTitle + "\""); 11139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void unregisterDependency() { 11179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mDependencyKey != null) { 11189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final Preference oldDependency = findPreferenceInHierarchy(mDependencyKey); 11199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (oldDependency != null) { 11209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project oldDependency.unregisterDependent(this); 11219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 11269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Finds a Preference in this hierarchy (the whole thing, 11279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * even above/below your {@link PreferenceScreen} screen break) with the given 11289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * key. 11299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p> 11309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * This only functions after we have been attached to a hierarchy. 11319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 11329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param key The key of the Preference to find. 11339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return The Preference that uses the given key. 11349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 11359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected Preference findPreferenceInHierarchy(String key) { 11369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (TextUtils.isEmpty(key) || mPreferenceManager == null) { 11379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return null; 11389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mPreferenceManager.findPreference(key); 11419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 11449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Adds a dependent Preference on this Preference so we can notify it. 11459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Usually, the dependent Preference registers itself (it's good for it to 11469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * know it depends on something), so please use 11479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link Preference#setDependency(String)} on the dependent Preference. 11489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 11499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param dependent The dependent Preference that will be enabled/disabled 11509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * according to the state of this Preference. 11519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 11529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void registerDependent(Preference dependent) { 11539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mDependents == null) { 11549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDependents = new ArrayList<Preference>(); 11559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDependents.add(dependent); 11589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dependent.onDependencyChanged(this, shouldDisableDependents()); 11609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 11639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Removes a dependent Preference on this Preference. 11649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 11659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param dependent The dependent Preference that will be enabled/disabled 11669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * according to the state of this Preference. 11679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return Returns the same Preference object, for chaining multiple calls 11689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * into a single statement. 11699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 11709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void unregisterDependent(Preference dependent) { 11719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mDependents != null) { 11729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDependents.remove(dependent); 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 * Notifies any listening dependents of a change that affects the 11789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * dependency. 11799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 11809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param disableDependents Whether this Preference should disable 11819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * its dependents. 11829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 11839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void notifyDependencyChange(boolean disableDependents) { 11849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final List<Preference> dependents = mDependents; 11859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (dependents == null) { 11879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 11889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int dependentsCount = dependents.size(); 11919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < dependentsCount; i++) { 11929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dependents.get(i).onDependencyChanged(this, disableDependents); 11939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 11979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Called when the dependency changes. 11989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 11999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param dependency The Preference that this Preference depends on. 12009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param disableDependent Set true to disable this Preference. 12019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 12029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void onDependencyChanged(Preference dependency, boolean disableDependent) { 1203da53eca79e02ac70761c379f9f2cb3babce9e79dMichael Chan if (mDependencyMet == disableDependent) { 1204da53eca79e02ac70761c379f9f2cb3babce9e79dMichael Chan mDependencyMet = !disableDependent; 1205da53eca79e02ac70761c379f9f2cb3babce9e79dMichael Chan 1206da53eca79e02ac70761c379f9f2cb3babce9e79dMichael Chan // Enabled state can change dependent preferences' states, so notify 1207da53eca79e02ac70761c379f9f2cb3babce9e79dMichael Chan notifyDependencyChange(shouldDisableDependents()); 1208da53eca79e02ac70761c379f9f2cb3babce9e79dMichael Chan 1209da53eca79e02ac70761c379f9f2cb3babce9e79dMichael Chan notifyChanged(); 1210da53eca79e02ac70761c379f9f2cb3babce9e79dMichael Chan } 12119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 12149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Checks whether this preference's dependents should currently be 12159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * disabled. 12169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 12179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return True if the dependents should be disabled, otherwise false. 12189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 12199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean shouldDisableDependents() { 12209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return !isEnabled(); 12219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 12249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the key of a Preference that this Preference will depend on. If that 12259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Preference is not set or is off, this Preference will be disabled. 12269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 12279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param dependencyKey The key of the Preference that this depends on. 12289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 12299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setDependency(String dependencyKey) { 12309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Unregister the old dependency, if we had one 12319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project unregisterDependency(); 12329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Register the new 12349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDependencyKey = dependencyKey; 12359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project registerDependency(); 12369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 12399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the key of the dependency on this Preference. 12409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 12419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return The key of the dependency. 12429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #setDependency(String) 12439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 12449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public String getDependency() { 12459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mDependencyKey; 12469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 12499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Called when this Preference is being removed from the hierarchy. You 12509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * should remove any references to this Preference that you know about. Make 12519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * sure to call through to the superclass implementation. 12529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 12539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void onPrepareForRemoval() { 12549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project unregisterDependency(); 12559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 12589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the default value for this Preference, which will be set either if 12599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * persistence is off or persistence is on and the preference is not found 12609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * in the persistent storage. 12619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 12629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param defaultValue The default value. 12639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 12649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setDefaultValue(Object defaultValue) { 12659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDefaultValue = defaultValue; 12669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void dispatchSetInitialValue() { 12699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // By now, we know if we are persistent. 12709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final boolean shouldPersist = shouldPersist(); 12719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!shouldPersist || !getSharedPreferences().contains(mKey)) { 12729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mDefaultValue != null) { 12739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project onSetInitialValue(false, mDefaultValue); 12749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 12769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project onSetInitialValue(true, null); 12779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 12819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Implement this to set the initial value of the Preference. 12829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p> 12839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * If <var>restorePersistedValue</var> is true, you should restore the 12849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Preference value from the {@link android.content.SharedPreferences}. If 12859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <var>restorePersistedValue</var> is false, you should set the Preference 12869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * value to defaultValue that is given (and possibly store to SharedPreferences 12879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * if {@link #shouldPersist()} is true). 12889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p> 12899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * This may not always be called. One example is if it should not persist 12909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * but there is no default value given. 12919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 12929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param restorePersistedValue True to restore the persisted value; 12939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * false to use the given <var>defaultValue</var>. 12949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param defaultValue The default value for this Preference. Only use this 12959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * if <var>restorePersistedValue</var> is false. 12969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 12979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void onSetInitialValue(boolean restorePersistedValue, Object defaultValue) { 12989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void tryCommit(SharedPreferences.Editor editor) { 13019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mPreferenceManager.shouldCommit()) { 1302dd644c179c1bf47d82d776d7f644e4fc1467159dBrad Fitzpatrick try { 1303dd644c179c1bf47d82d776d7f644e4fc1467159dBrad Fitzpatrick editor.apply(); 1304dd644c179c1bf47d82d776d7f644e4fc1467159dBrad Fitzpatrick } catch (AbstractMethodError unused) { 1305dd644c179c1bf47d82d776d7f644e4fc1467159dBrad Fitzpatrick // The app injected its own pre-Gingerbread 1306dd644c179c1bf47d82d776d7f644e4fc1467159dBrad Fitzpatrick // SharedPreferences.Editor implementation without 1307dd644c179c1bf47d82d776d7f644e4fc1467159dBrad Fitzpatrick // an apply method. 1308dd644c179c1bf47d82d776d7f644e4fc1467159dBrad Fitzpatrick editor.commit(); 1309dd644c179c1bf47d82d776d7f644e4fc1467159dBrad Fitzpatrick } 13109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 13149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Attempts to persist a String to the {@link android.content.SharedPreferences}. 13159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p> 13169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * This will check if this Preference is persistent, get an editor from 13179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the {@link PreferenceManager}, put in the string, and check if we should commit (and 13189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * commit if so). 13199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 13209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param value The value to persist. 13219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return True if the Preference is persistent. (This is not whether the 13229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * value was persisted, since we may not necessarily commit if there 13239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * will be a batch commit later.) 13249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #getPersistedString(String) 13259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 13269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected boolean persistString(String value) { 13279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (shouldPersist()) { 13289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Shouldn't store null 13299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (value == getPersistedString(null)) { 13309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // It's already there, so the same as persisting 13319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 13329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project SharedPreferences.Editor editor = mPreferenceManager.getEditor(); 13359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project editor.putString(mKey, value); 13369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project tryCommit(editor); 13379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 13389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 13409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 13439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Attempts to get a persisted String from the {@link android.content.SharedPreferences}. 13449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p> 13459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * This will check if this Preference is persistent, get the SharedPreferences 13469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * from the {@link PreferenceManager}, and get the value. 13479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 13489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param defaultReturnValue The default value to return if either the 13499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Preference is not persistent or the Preference is not in the 13509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * shared preferences. 13519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return The value from the SharedPreferences or the default return 13529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * value. 13539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #persistString(String) 13549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 13559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected String getPersistedString(String defaultReturnValue) { 13569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!shouldPersist()) { 13579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return defaultReturnValue; 13589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mPreferenceManager.getSharedPreferences().getString(mKey, defaultReturnValue); 13619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1364212db7d3f8ce5297f4a556234a9c0675c697f1cfAdam Powell * Attempts to persist a set of Strings to the {@link android.content.SharedPreferences}. 1365212db7d3f8ce5297f4a556234a9c0675c697f1cfAdam Powell * <p> 1366212db7d3f8ce5297f4a556234a9c0675c697f1cfAdam Powell * This will check if this Preference is persistent, get an editor from 1367212db7d3f8ce5297f4a556234a9c0675c697f1cfAdam Powell * the {@link PreferenceManager}, put in the strings, and check if we should commit (and 1368212db7d3f8ce5297f4a556234a9c0675c697f1cfAdam Powell * commit if so). 1369212db7d3f8ce5297f4a556234a9c0675c697f1cfAdam Powell * 1370212db7d3f8ce5297f4a556234a9c0675c697f1cfAdam Powell * @param values The values to persist. 1371212db7d3f8ce5297f4a556234a9c0675c697f1cfAdam Powell * @return True if the Preference is persistent. (This is not whether the 1372212db7d3f8ce5297f4a556234a9c0675c697f1cfAdam Powell * value was persisted, since we may not necessarily commit if there 1373212db7d3f8ce5297f4a556234a9c0675c697f1cfAdam Powell * will be a batch commit later.) 1374212db7d3f8ce5297f4a556234a9c0675c697f1cfAdam Powell * @see #getPersistedString(Set) 1375212db7d3f8ce5297f4a556234a9c0675c697f1cfAdam Powell * 1376212db7d3f8ce5297f4a556234a9c0675c697f1cfAdam Powell * @hide Pending API approval 1377212db7d3f8ce5297f4a556234a9c0675c697f1cfAdam Powell */ 1378212db7d3f8ce5297f4a556234a9c0675c697f1cfAdam Powell protected boolean persistStringSet(Set<String> values) { 1379212db7d3f8ce5297f4a556234a9c0675c697f1cfAdam Powell if (shouldPersist()) { 1380212db7d3f8ce5297f4a556234a9c0675c697f1cfAdam Powell // Shouldn't store null 1381212db7d3f8ce5297f4a556234a9c0675c697f1cfAdam Powell if (values.equals(getPersistedStringSet(null))) { 1382212db7d3f8ce5297f4a556234a9c0675c697f1cfAdam Powell // It's already there, so the same as persisting 1383212db7d3f8ce5297f4a556234a9c0675c697f1cfAdam Powell return true; 1384212db7d3f8ce5297f4a556234a9c0675c697f1cfAdam Powell } 1385212db7d3f8ce5297f4a556234a9c0675c697f1cfAdam Powell 1386212db7d3f8ce5297f4a556234a9c0675c697f1cfAdam Powell SharedPreferences.Editor editor = mPreferenceManager.getEditor(); 1387212db7d3f8ce5297f4a556234a9c0675c697f1cfAdam Powell editor.putStringSet(mKey, values); 1388212db7d3f8ce5297f4a556234a9c0675c697f1cfAdam Powell tryCommit(editor); 1389212db7d3f8ce5297f4a556234a9c0675c697f1cfAdam Powell return true; 1390212db7d3f8ce5297f4a556234a9c0675c697f1cfAdam Powell } 1391212db7d3f8ce5297f4a556234a9c0675c697f1cfAdam Powell return false; 1392212db7d3f8ce5297f4a556234a9c0675c697f1cfAdam Powell } 1393212db7d3f8ce5297f4a556234a9c0675c697f1cfAdam Powell 1394212db7d3f8ce5297f4a556234a9c0675c697f1cfAdam Powell /** 1395212db7d3f8ce5297f4a556234a9c0675c697f1cfAdam Powell * Attempts to get a persisted set of Strings from the 1396212db7d3f8ce5297f4a556234a9c0675c697f1cfAdam Powell * {@link android.content.SharedPreferences}. 1397212db7d3f8ce5297f4a556234a9c0675c697f1cfAdam Powell * <p> 1398212db7d3f8ce5297f4a556234a9c0675c697f1cfAdam Powell * This will check if this Preference is persistent, get the SharedPreferences 1399212db7d3f8ce5297f4a556234a9c0675c697f1cfAdam Powell * from the {@link PreferenceManager}, and get the value. 1400212db7d3f8ce5297f4a556234a9c0675c697f1cfAdam Powell * 1401212db7d3f8ce5297f4a556234a9c0675c697f1cfAdam Powell * @param defaultReturnValue The default value to return if either the 1402212db7d3f8ce5297f4a556234a9c0675c697f1cfAdam Powell * Preference is not persistent or the Preference is not in the 1403212db7d3f8ce5297f4a556234a9c0675c697f1cfAdam Powell * shared preferences. 1404212db7d3f8ce5297f4a556234a9c0675c697f1cfAdam Powell * @return The value from the SharedPreferences or the default return 1405212db7d3f8ce5297f4a556234a9c0675c697f1cfAdam Powell * value. 1406212db7d3f8ce5297f4a556234a9c0675c697f1cfAdam Powell * @see #persistStringSet(Set) 1407212db7d3f8ce5297f4a556234a9c0675c697f1cfAdam Powell * 1408212db7d3f8ce5297f4a556234a9c0675c697f1cfAdam Powell * @hide Pending API approval 1409212db7d3f8ce5297f4a556234a9c0675c697f1cfAdam Powell */ 1410212db7d3f8ce5297f4a556234a9c0675c697f1cfAdam Powell protected Set<String> getPersistedStringSet(Set<String> defaultReturnValue) { 1411212db7d3f8ce5297f4a556234a9c0675c697f1cfAdam Powell if (!shouldPersist()) { 1412212db7d3f8ce5297f4a556234a9c0675c697f1cfAdam Powell return defaultReturnValue; 1413212db7d3f8ce5297f4a556234a9c0675c697f1cfAdam Powell } 1414212db7d3f8ce5297f4a556234a9c0675c697f1cfAdam Powell 1415212db7d3f8ce5297f4a556234a9c0675c697f1cfAdam Powell return mPreferenceManager.getSharedPreferences().getStringSet(mKey, defaultReturnValue); 1416212db7d3f8ce5297f4a556234a9c0675c697f1cfAdam Powell } 1417212db7d3f8ce5297f4a556234a9c0675c697f1cfAdam Powell 1418212db7d3f8ce5297f4a556234a9c0675c697f1cfAdam Powell /** 14199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Attempts to persist an int to the {@link android.content.SharedPreferences}. 14209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 14219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param value The value to persist. 14229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return True if the Preference is persistent. (This is not whether the 14239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * value was persisted, since we may not necessarily commit if there 14249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * will be a batch commit later.) 14259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #persistString(String) 14269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #getPersistedInt(int) 14279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 14289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected boolean persistInt(int value) { 14299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (shouldPersist()) { 14309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (value == getPersistedInt(~value)) { 14319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // It's already there, so the same as persisting 14329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 14339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project SharedPreferences.Editor editor = mPreferenceManager.getEditor(); 14369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project editor.putInt(mKey, value); 14379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project tryCommit(editor); 14389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 14399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 14419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 14449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Attempts to get a persisted int from the {@link android.content.SharedPreferences}. 14459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 14469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param defaultReturnValue The default value to return if either this 14479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Preference is not persistent or this Preference is not in the 14489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * SharedPreferences. 14499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return The value from the SharedPreferences or the default return 14509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * value. 14519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #getPersistedString(String) 14529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #persistInt(int) 14539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 14549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected int getPersistedInt(int defaultReturnValue) { 14559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!shouldPersist()) { 14569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return defaultReturnValue; 14579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mPreferenceManager.getSharedPreferences().getInt(mKey, defaultReturnValue); 14609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 14639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Attempts to persist a float to the {@link android.content.SharedPreferences}. 14649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 14659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param value The value to persist. 14669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return True if this Preference is persistent. (This is not whether the 14679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * value was persisted, since we may not necessarily commit if there 14689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * will be a batch commit later.) 14699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #persistString(String) 14709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #getPersistedFloat(float) 14719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 14729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected boolean persistFloat(float value) { 14739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (shouldPersist()) { 14749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (value == getPersistedFloat(Float.NaN)) { 14759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // It's already there, so the same as persisting 14769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 14779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project SharedPreferences.Editor editor = mPreferenceManager.getEditor(); 14809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project editor.putFloat(mKey, value); 14819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project tryCommit(editor); 14829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 14839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 14859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 14889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Attempts to get a persisted float from the {@link android.content.SharedPreferences}. 14899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 14909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param defaultReturnValue The default value to return if either this 14919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Preference is not persistent or this Preference is not in the 14929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * SharedPreferences. 14939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return The value from the SharedPreferences or the default return 14949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * value. 14959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #getPersistedString(String) 14969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #persistFloat(float) 14979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 14989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected float getPersistedFloat(float defaultReturnValue) { 14999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!shouldPersist()) { 15009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return defaultReturnValue; 15019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mPreferenceManager.getSharedPreferences().getFloat(mKey, defaultReturnValue); 15049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 15079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Attempts to persist a long to the {@link android.content.SharedPreferences}. 15089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 15099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param value The value to persist. 15109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return True if this Preference is persistent. (This is not whether the 15119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * value was persisted, since we may not necessarily commit if there 15129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * will be a batch commit later.) 15139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #persistString(String) 15149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #getPersistedLong(long) 15159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 15169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected boolean persistLong(long value) { 15179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (shouldPersist()) { 15189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (value == getPersistedLong(~value)) { 15199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // It's already there, so the same as persisting 15209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 15219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project SharedPreferences.Editor editor = mPreferenceManager.getEditor(); 15249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project editor.putLong(mKey, value); 15259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project tryCommit(editor); 15269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 15279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 15299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 15329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Attempts to get a persisted long from the {@link android.content.SharedPreferences}. 15339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 15349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param defaultReturnValue The default value to return if either this 15359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Preference is not persistent or this Preference is not in the 15369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * SharedPreferences. 15379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return The value from the SharedPreferences or the default return 15389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * value. 15399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #getPersistedString(String) 15409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #persistLong(long) 15419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 15429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected long getPersistedLong(long defaultReturnValue) { 15439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!shouldPersist()) { 15449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return defaultReturnValue; 15459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mPreferenceManager.getSharedPreferences().getLong(mKey, defaultReturnValue); 15489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 15519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Attempts to persist a boolean to the {@link android.content.SharedPreferences}. 15529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 15539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param value The value to persist. 15549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return True if this Preference is persistent. (This is not whether the 15559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * value was persisted, since we may not necessarily commit if there 15569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * will be a batch commit later.) 15579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #persistString(String) 15589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #getPersistedBoolean(boolean) 15599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 15609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected boolean persistBoolean(boolean value) { 15619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (shouldPersist()) { 15629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (value == getPersistedBoolean(!value)) { 15639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // It's already there, so the same as persisting 15649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 15659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project SharedPreferences.Editor editor = mPreferenceManager.getEditor(); 15689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project editor.putBoolean(mKey, value); 15699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project tryCommit(editor); 15709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 15719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 15739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 15769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Attempts to get a persisted boolean from the {@link android.content.SharedPreferences}. 15779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 15789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param defaultReturnValue The default value to return if either this 15799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Preference is not persistent or this Preference is not in the 15809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * SharedPreferences. 15819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return The value from the SharedPreferences or the default return 15829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * value. 15839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #getPersistedString(String) 15849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #persistBoolean(boolean) 15859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 15869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected boolean getPersistedBoolean(boolean defaultReturnValue) { 15879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!shouldPersist()) { 15889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return defaultReturnValue; 15899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mPreferenceManager.getSharedPreferences().getBoolean(mKey, defaultReturnValue); 15929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean hasSpecifiedLayout() { 15959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mHasSpecifiedLayout; 15969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 15999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public String toString() { 16009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return getFilterableStringBuilder().toString(); 16019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 16049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the text that will be used to filter this Preference depending on 16059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * user input. 16069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p> 16079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * If overridding and calling through to the superclass, make sure to prepend 16089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * your additions with a space. 16099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 16109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return Text as a {@link StringBuilder} that will be used to filter this 16119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * preference. By default, this is the title and summary 16129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * (concatenated with a space). 16139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 16149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project StringBuilder getFilterableStringBuilder() { 16159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project StringBuilder sb = new StringBuilder(); 16169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project CharSequence title = getTitle(); 16179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!TextUtils.isEmpty(title)) { 16189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sb.append(title).append(' '); 16199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project CharSequence summary = getSummary(); 16219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!TextUtils.isEmpty(summary)) { 16229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sb.append(summary).append(' '); 16239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16240bb9960598067f3320cdae8ab42c1ba0f3376f21Tammo Spalink if (sb.length() > 0) { 16250bb9960598067f3320cdae8ab42c1ba0f3376f21Tammo Spalink // Drop the last space 16260bb9960598067f3320cdae8ab42c1ba0f3376f21Tammo Spalink sb.setLength(sb.length() - 1); 16270bb9960598067f3320cdae8ab42c1ba0f3376f21Tammo Spalink } 16289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return sb; 16299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 16329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Store this Preference hierarchy's frozen state into the given container. 16339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 16349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param container The Bundle in which to save the instance of this Preference. 16359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 16369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #restoreHierarchyState 16379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #onSaveInstanceState 16389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 16399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void saveHierarchyState(Bundle container) { 16409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dispatchSaveInstanceState(container); 16419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 16449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Called by {@link #saveHierarchyState} to store the instance for this Preference and its children. 16459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * May be overridden to modify how the save happens for children. For example, some 16469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Preference objects may want to not store an instance for their children. 16479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 16489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param container The Bundle in which to save the instance of this Preference. 16499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 16509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #saveHierarchyState 16519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #onSaveInstanceState 16529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 16539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void dispatchSaveInstanceState(Bundle container) { 16549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (hasKey()) { 16559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mBaseMethodCalled = false; 16569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Parcelable state = onSaveInstanceState(); 16579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!mBaseMethodCalled) { 16589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalStateException( 16599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "Derived class did not call super.onSaveInstanceState()"); 16609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (state != null) { 16629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project container.putParcelable(mKey, state); 16639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 16689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Hook allowing a Preference to generate a representation of its internal 16699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * state that can later be used to create a new instance with that same 16709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * state. This state should only contain information that is not persistent 16719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * or can be reconstructed later. 16729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 16739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return A Parcelable object containing the current dynamic state of 16749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * this Preference, or null if there is nothing interesting to save. 16759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The default implementation returns null. 16769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #onRestoreInstanceState 16779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #saveHierarchyState 16789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 16799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected Parcelable onSaveInstanceState() { 16809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mBaseMethodCalled = true; 16819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return BaseSavedState.EMPTY_STATE; 16829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 16859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Restore this Preference hierarchy's previously saved state from the given container. 16869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 16879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param container The Bundle that holds the previously saved state. 16889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 16899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #saveHierarchyState 16909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #onRestoreInstanceState 16919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 16929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void restoreHierarchyState(Bundle container) { 16939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dispatchRestoreInstanceState(container); 16949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 16979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Called by {@link #restoreHierarchyState} to retrieve the saved state for this 16989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Preference and its children. May be overridden to modify how restoring 16999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * happens to the children of a Preference. For example, some Preference objects may 17009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * not want to save state for their children. 17019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 17029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param container The Bundle that holds the previously saved state. 17039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #restoreHierarchyState 17049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #onRestoreInstanceState 17059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 17069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void dispatchRestoreInstanceState(Bundle container) { 17079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (hasKey()) { 17089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Parcelable state = container.getParcelable(mKey); 17099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (state != null) { 17109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mBaseMethodCalled = false; 17119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project onRestoreInstanceState(state); 17129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!mBaseMethodCalled) { 17139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalStateException( 17149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "Derived class did not call super.onRestoreInstanceState()"); 17159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 17219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Hook allowing a Preference to re-apply a representation of its internal 17229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * state that had previously been generated by {@link #onSaveInstanceState}. 17239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * This function will never be called with a null state. 17249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 17259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param state The saved state that had previously been returned by 17269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link #onSaveInstanceState}. 17279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #onSaveInstanceState 17289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #restoreHierarchyState 17299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 17309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void onRestoreInstanceState(Parcelable state) { 17319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mBaseMethodCalled = true; 17329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (state != BaseSavedState.EMPTY_STATE && state != null) { 17339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalArgumentException("Wrong state class -- expecting Preference State"); 17349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 17389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * A base class for managing the instance state of a {@link Preference}. 17399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 17409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static class BaseSavedState extends AbsSavedState { 17419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public BaseSavedState(Parcel source) { 17429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super(source); 17439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public BaseSavedState(Parcelable superState) { 17469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super(superState); 17479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final Parcelable.Creator<BaseSavedState> CREATOR = 17509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project new Parcelable.Creator<BaseSavedState>() { 17519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public BaseSavedState createFromParcel(Parcel in) { 17529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return new BaseSavedState(in); 17539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public BaseSavedState[] newArray(int size) { 17569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return new BaseSavedState[size]; 17579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project }; 17599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1762