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.view; 189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 199c1223a71397b565f38015c07cae57a5015a6500Romain Guyimport android.graphics.Canvas; 209c1223a71397b565f38015c07cae57a5015a6500Romain Guyimport android.os.Handler; 219c1223a71397b565f38015c07cae57a5015a6500Romain Guyimport android.os.Message; 229c1223a71397b565f38015c07cae57a5015a6500Romain Guyimport android.widget.FrameLayout; 233030193dc179b3010f2dd3bffe9c1dec54da38fcGilles Debunneimport org.xmlpull.v1.XmlPullParser; 243030193dc179b3010f2dd3bffe9c1dec54da38fcGilles Debunneimport org.xmlpull.v1.XmlPullParserException; 253030193dc179b3010f2dd3bffe9c1dec54da38fcGilles Debunne 269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.content.Context; 279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.content.res.TypedArray; 289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.content.res.XmlResourceParser; 299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.util.AttributeSet; 309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.util.Xml; 319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport java.io.IOException; 339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport java.lang.reflect.Constructor; 349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport java.util.HashMap; 359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/** 3793dc642eaf48e3db58c4929df26283fbc5fd663fScott Main * Instantiates a layout XML file into its corresponding {@link android.view.View} 3893dc642eaf48e3db58c4929df26283fbc5fd663fScott Main * objects. It is never used directly. Instead, use 399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link android.app.Activity#getLayoutInflater()} or 409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link Context#getSystemService} to retrieve a standard LayoutInflater instance 419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * that is already hooked up to the current context and correctly configured 429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * for the device you are running on. For example: 439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <pre>LayoutInflater inflater = (LayoutInflater)context.getSystemService 45bd6fda11d287ba8ac749e06053dc9488653d1471Christian Mehlmauer * (Context.LAYOUT_INFLATER_SERVICE);</pre> 469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p> 489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * To create a new LayoutInflater with an additional {@link Factory} for your 499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * own views, you can use {@link #cloneInContext} to clone an existing 509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * ViewFactory, and then call {@link #setFactory} on it to include your 519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Factory. 529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p> 549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * For performance reasons, view inflation relies heavily on pre-processing of 559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * XML files that is done at build time. Therefore, it is not currently possible 569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * to use LayoutInflater with an XmlPullParser over a plain XML file at runtime; 579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * it only works with an XmlPullParser returned from a compiled resource 589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * (R.<em>something</em> file.) 599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see Context#getSystemService 619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpublic abstract class LayoutInflater { 639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private final boolean DEBUG = false; 649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * This field should be made private, so it is hidden from the SDK. 679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@hide} 689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected final Context mContext; 709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // these are optional, set by the caller 729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private boolean mFactorySet; 739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private Factory mFactory; 74625ac271f80777668f832a344486a6fcdc06d0aeDianne Hackborn private Factory2 mFactory2; 75420829ef78c5d86e470fc445279c7c10be6b5dbeDianne Hackborn private Factory2 mPrivateFactory; 769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private Filter mFilter; 779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 787f9f99ea11051614a7727dfb9f9578b518e76e3cXavier Ducrohet final Object[] mConstructorArgs = new Object[2]; 799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 807f9f99ea11051614a7727dfb9f9578b518e76e3cXavier Ducrohet static final Class<?>[] mConstructorSignature = new Class[] { 819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Context.class, AttributeSet.class}; 829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 833030193dc179b3010f2dd3bffe9c1dec54da38fcGilles Debunne private static final HashMap<String, Constructor<? extends View>> sConstructorMap = 843030193dc179b3010f2dd3bffe9c1dec54da38fcGilles Debunne new HashMap<String, Constructor<? extends View>>(); 859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private HashMap<String, Boolean> mFilterMap; 879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final String TAG_MERGE = "merge"; 899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final String TAG_INCLUDE = "include"; 909c1223a71397b565f38015c07cae57a5015a6500Romain Guy private static final String TAG_1995 = "blink"; 919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final String TAG_REQUEST_FOCUS = "requestFocus"; 929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Hook to allow clients of the LayoutInflater to restrict the set of Views that are allowed 959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * to be inflated. 969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public interface Filter { 999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Hook to allow clients of the LayoutInflater to restrict the set of Views 1019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * that are allowed to be inflated. 1029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 1039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param clazz The class object for the View that is about to be inflated 1049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 1059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return True if this class is allowed to be inflated, or false otherwise 1069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 107e6ac8b9aade9443ab8456c8f7a47cdfba3b70266Gilles Debunne @SuppressWarnings("unchecked") 108e6ac8b9aade9443ab8456c8f7a47cdfba3b70266Gilles Debunne boolean onLoadClass(Class clazz); 1099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public interface Factory { 1129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Hook you can supply that is called when inflating from a LayoutInflater. 1149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * You can use this to customize the tag names available in your XML 1159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * layout files. 1169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 1179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p> 1189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Note that it is good practice to prefix these custom names with your 1199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * package (i.e., com.coolcompany.apps) to avoid conflicts with system 1209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * names. 1219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 1229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param name Tag name to be inflated. 1239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param context The context the view is being created in. 1249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param attrs Inflation attributes as specified in XML file. 1259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 1269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return View Newly created view. Return null for the default 1279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * behavior. 1289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public View onCreateView(String name, Context context, AttributeSet attrs); 1309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 132625ac271f80777668f832a344486a6fcdc06d0aeDianne Hackborn public interface Factory2 extends Factory { 133625ac271f80777668f832a344486a6fcdc06d0aeDianne Hackborn /** 134625ac271f80777668f832a344486a6fcdc06d0aeDianne Hackborn * Version of {@link #onCreateView(String, Context, AttributeSet)} 135625ac271f80777668f832a344486a6fcdc06d0aeDianne Hackborn * that also supplies the parent that the view created view will be 136625ac271f80777668f832a344486a6fcdc06d0aeDianne Hackborn * placed in. 137625ac271f80777668f832a344486a6fcdc06d0aeDianne Hackborn * 138625ac271f80777668f832a344486a6fcdc06d0aeDianne Hackborn * @param parent The parent that the created view will be placed 139625ac271f80777668f832a344486a6fcdc06d0aeDianne Hackborn * in; <em>note that this may be null</em>. 140625ac271f80777668f832a344486a6fcdc06d0aeDianne Hackborn * @param name Tag name to be inflated. 141625ac271f80777668f832a344486a6fcdc06d0aeDianne Hackborn * @param context The context the view is being created in. 142625ac271f80777668f832a344486a6fcdc06d0aeDianne Hackborn * @param attrs Inflation attributes as specified in XML file. 143625ac271f80777668f832a344486a6fcdc06d0aeDianne Hackborn * 144625ac271f80777668f832a344486a6fcdc06d0aeDianne Hackborn * @return View Newly created view. Return null for the default 145625ac271f80777668f832a344486a6fcdc06d0aeDianne Hackborn * behavior. 146625ac271f80777668f832a344486a6fcdc06d0aeDianne Hackborn */ 147625ac271f80777668f832a344486a6fcdc06d0aeDianne Hackborn public View onCreateView(View parent, String name, Context context, AttributeSet attrs); 148625ac271f80777668f832a344486a6fcdc06d0aeDianne Hackborn } 149625ac271f80777668f832a344486a6fcdc06d0aeDianne Hackborn 150625ac271f80777668f832a344486a6fcdc06d0aeDianne Hackborn private static class FactoryMerger implements Factory2 { 1519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private final Factory mF1, mF2; 152625ac271f80777668f832a344486a6fcdc06d0aeDianne Hackborn private final Factory2 mF12, mF22; 1539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 154625ac271f80777668f832a344486a6fcdc06d0aeDianne Hackborn FactoryMerger(Factory f1, Factory2 f12, Factory f2, Factory2 f22) { 1559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mF1 = f1; 1569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mF2 = f2; 157625ac271f80777668f832a344486a6fcdc06d0aeDianne Hackborn mF12 = f12; 158625ac271f80777668f832a344486a6fcdc06d0aeDianne Hackborn mF22 = f22; 1599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public View onCreateView(String name, Context context, AttributeSet attrs) { 1629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project View v = mF1.onCreateView(name, context, attrs); 1639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (v != null) return v; 1649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mF2.onCreateView(name, context, attrs); 1659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 166625ac271f80777668f832a344486a6fcdc06d0aeDianne Hackborn 167625ac271f80777668f832a344486a6fcdc06d0aeDianne Hackborn public View onCreateView(View parent, String name, Context context, AttributeSet attrs) { 168625ac271f80777668f832a344486a6fcdc06d0aeDianne Hackborn View v = mF12 != null ? mF12.onCreateView(parent, name, context, attrs) 169625ac271f80777668f832a344486a6fcdc06d0aeDianne Hackborn : mF1.onCreateView(name, context, attrs); 170625ac271f80777668f832a344486a6fcdc06d0aeDianne Hackborn if (v != null) return v; 171625ac271f80777668f832a344486a6fcdc06d0aeDianne Hackborn return mF22 != null ? mF22.onCreateView(parent, name, context, attrs) 172625ac271f80777668f832a344486a6fcdc06d0aeDianne Hackborn : mF2.onCreateView(name, context, attrs); 173625ac271f80777668f832a344486a6fcdc06d0aeDianne Hackborn } 1749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Create a new LayoutInflater instance associated with a particular Context. 1789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Applications will almost always want to use 1799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link Context#getSystemService Context.getSystemService()} to retrieve 1809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the standard {@link Context#LAYOUT_INFLATER_SERVICE Context.INFLATER_SERVICE}. 1819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 1829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param context The Context in which this LayoutInflater will create its 1839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Views; most importantly, this supplies the theme from which the default 1849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * values for their attributes are retrieved. 1859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected LayoutInflater(Context context) { 1879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mContext = context; 1889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Create a new LayoutInflater instance that is a copy of an existing 1929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * LayoutInflater, optionally with its Context changed. For use in 1939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * implementing {@link #cloneInContext}. 1949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 1959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param original The original LayoutInflater to copy. 1969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param newContext The new Context to use. 1979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected LayoutInflater(LayoutInflater original, Context newContext) { 1999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mContext = newContext; 2009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFactory = original.mFactory; 201625ac271f80777668f832a344486a6fcdc06d0aeDianne Hackborn mFactory2 = original.mFactory2; 202420829ef78c5d86e470fc445279c7c10be6b5dbeDianne Hackborn mPrivateFactory = original.mPrivateFactory; 2039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFilter = original.mFilter; 2049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Obtains the LayoutInflater from the given context. 2089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static LayoutInflater from(Context context) { 2109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LayoutInflater LayoutInflater = 2119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE); 2129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (LayoutInflater == null) { 2139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new AssertionError("LayoutInflater not found."); 2149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return LayoutInflater; 2169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Create a copy of the existing LayoutInflater object, with the copy 2209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * pointing to a different Context than the original. This is used by 2219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link ContextThemeWrapper} to create a new LayoutInflater to go along 2229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * with the new Context theme. 2239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 2249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param newContext The new Context to associate with the new LayoutInflater. 2259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * May be the same as the original Context if desired. 2269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 2279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return Returns a brand spanking new LayoutInflater object associated with 2289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the given Context. 2299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public abstract LayoutInflater cloneInContext(Context newContext); 2319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Return the context we are running in, for access to resources, class 2349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * loader, etc. 2359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Context getContext() { 2379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mContext; 2389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 241625ac271f80777668f832a344486a6fcdc06d0aeDianne Hackborn * Return the current {@link Factory} (or null). This is called on each element 2429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * name. If the factory returns a View, add that to the hierarchy. If it 2439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * returns null, proceed to call onCreateView(name). 2449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final Factory getFactory() { 2469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mFactory; 2479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 250625ac271f80777668f832a344486a6fcdc06d0aeDianne Hackborn * Return the current {@link Factory2}. Returns null if no factory is set 251625ac271f80777668f832a344486a6fcdc06d0aeDianne Hackborn * or the set factory does not implement the {@link Factory2} interface. 252625ac271f80777668f832a344486a6fcdc06d0aeDianne Hackborn * This is called on each element 253625ac271f80777668f832a344486a6fcdc06d0aeDianne Hackborn * name. If the factory returns a View, add that to the hierarchy. If it 254625ac271f80777668f832a344486a6fcdc06d0aeDianne Hackborn * returns null, proceed to call onCreateView(name). 255625ac271f80777668f832a344486a6fcdc06d0aeDianne Hackborn */ 256625ac271f80777668f832a344486a6fcdc06d0aeDianne Hackborn public final Factory2 getFactory2() { 257625ac271f80777668f832a344486a6fcdc06d0aeDianne Hackborn return mFactory2; 258625ac271f80777668f832a344486a6fcdc06d0aeDianne Hackborn } 259625ac271f80777668f832a344486a6fcdc06d0aeDianne Hackborn 260625ac271f80777668f832a344486a6fcdc06d0aeDianne Hackborn /** 2619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Attach a custom Factory interface for creating views while using 2629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * this LayoutInflater. This must not be null, and can only be set once; 2639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * after setting, you can not change the factory. This is 2649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * called on each element name as the xml is parsed. If the factory returns 2659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * a View, that is added to the hierarchy. If it returns null, the next 2669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * factory default {@link #onCreateView} method is called. 2679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 2689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p>If you have an existing 2699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * LayoutInflater and want to add your own factory to it, use 2709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link #cloneInContext} to clone the existing instance and then you 2719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * can use this function (once) on the returned new instance. This will 2729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * merge your own factory with whatever factory the original instance is 2739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * using. 2749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setFactory(Factory factory) { 2769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mFactorySet) { 2779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalStateException("A factory has already been set on this LayoutInflater"); 2789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (factory == null) { 2809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new NullPointerException("Given factory can not be null"); 2819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFactorySet = true; 2839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mFactory == null) { 2849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFactory = factory; 2859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 286625ac271f80777668f832a344486a6fcdc06d0aeDianne Hackborn mFactory = new FactoryMerger(factory, null, mFactory, mFactory2); 287625ac271f80777668f832a344486a6fcdc06d0aeDianne Hackborn } 288625ac271f80777668f832a344486a6fcdc06d0aeDianne Hackborn } 289625ac271f80777668f832a344486a6fcdc06d0aeDianne Hackborn 290625ac271f80777668f832a344486a6fcdc06d0aeDianne Hackborn /** 291625ac271f80777668f832a344486a6fcdc06d0aeDianne Hackborn * Like {@link #setFactory}, but allows you to set a {@link Factory2} 292625ac271f80777668f832a344486a6fcdc06d0aeDianne Hackborn * interface. 293625ac271f80777668f832a344486a6fcdc06d0aeDianne Hackborn */ 294625ac271f80777668f832a344486a6fcdc06d0aeDianne Hackborn public void setFactory2(Factory2 factory) { 295625ac271f80777668f832a344486a6fcdc06d0aeDianne Hackborn if (mFactorySet) { 296625ac271f80777668f832a344486a6fcdc06d0aeDianne Hackborn throw new IllegalStateException("A factory has already been set on this LayoutInflater"); 297625ac271f80777668f832a344486a6fcdc06d0aeDianne Hackborn } 298625ac271f80777668f832a344486a6fcdc06d0aeDianne Hackborn if (factory == null) { 299625ac271f80777668f832a344486a6fcdc06d0aeDianne Hackborn throw new NullPointerException("Given factory can not be null"); 300625ac271f80777668f832a344486a6fcdc06d0aeDianne Hackborn } 301625ac271f80777668f832a344486a6fcdc06d0aeDianne Hackborn mFactorySet = true; 302625ac271f80777668f832a344486a6fcdc06d0aeDianne Hackborn if (mFactory == null) { 303625ac271f80777668f832a344486a6fcdc06d0aeDianne Hackborn mFactory = mFactory2 = factory; 304625ac271f80777668f832a344486a6fcdc06d0aeDianne Hackborn } else { 305625ac271f80777668f832a344486a6fcdc06d0aeDianne Hackborn mFactory = new FactoryMerger(factory, factory, mFactory, mFactory2); 3069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 310420829ef78c5d86e470fc445279c7c10be6b5dbeDianne Hackborn * @hide for use by framework 311420829ef78c5d86e470fc445279c7c10be6b5dbeDianne Hackborn */ 312420829ef78c5d86e470fc445279c7c10be6b5dbeDianne Hackborn public void setPrivateFactory(Factory2 factory) { 313420829ef78c5d86e470fc445279c7c10be6b5dbeDianne Hackborn mPrivateFactory = factory; 314420829ef78c5d86e470fc445279c7c10be6b5dbeDianne Hackborn } 315420829ef78c5d86e470fc445279c7c10be6b5dbeDianne Hackborn 316420829ef78c5d86e470fc445279c7c10be6b5dbeDianne Hackborn /** 3179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return The {@link Filter} currently used by this LayoutInflater to restrict the set of Views 3189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * that are allowed to be inflated. 3199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Filter getFilter() { 3219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mFilter; 3229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the {@link Filter} to by this LayoutInflater. If a view is attempted to be inflated 3269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * which is not allowed by the {@link Filter}, the {@link #inflate(int, ViewGroup)} call will 3279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * throw an {@link InflateException}. This filter will replace any previous filter set on this 3289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * LayoutInflater. 3299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 3309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param filter The Filter which restricts the set of Views that are allowed to be inflated. 3319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * This filter will replace any previous filter set on this LayoutInflater. 3329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setFilter(Filter filter) { 3349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFilter = filter; 3359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (filter != null) { 3369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFilterMap = new HashMap<String, Boolean>(); 3379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Inflate a new view hierarchy from the specified xml resource. Throws 3429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link InflateException} if there is an error. 3439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 3449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param resource ID for an XML layout resource to load (e.g., 3459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <code>R.layout.main_page</code>) 3469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param root Optional view to be the parent of the generated hierarchy. 3479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return The root View of the inflated hierarchy. If root was supplied, 3489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * this is the root View; otherwise it is the root of the inflated 3499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * XML file. 3509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public View inflate(int resource, ViewGroup root) { 3529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return inflate(resource, root, root != null); 3539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Inflate a new view hierarchy from the specified xml node. Throws 3579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link InflateException} if there is an error. * 3589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p> 3599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <em><strong>Important</strong></em> For performance 3609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * reasons, view inflation relies heavily on pre-processing of XML files 3619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * that is done at build time. Therefore, it is not currently possible to 3629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * use LayoutInflater with an XmlPullParser over a plain XML file at runtime. 3639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 3649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param parser XML dom node containing the description of the view 3659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * hierarchy. 3669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param root Optional view to be the parent of the generated hierarchy. 3679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return The root View of the inflated hierarchy. If root was supplied, 3689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * this is the root View; otherwise it is the root of the inflated 3699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * XML file. 3709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public View inflate(XmlPullParser parser, ViewGroup root) { 3729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return inflate(parser, root, root != null); 3739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Inflate a new view hierarchy from the specified xml resource. Throws 3779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link InflateException} if there is an error. 3789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 3799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param resource ID for an XML layout resource to load (e.g., 3809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <code>R.layout.main_page</code>) 3819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param root Optional view to be the parent of the generated hierarchy (if 3829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <em>attachToRoot</em> is true), or else simply an object that 3839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * provides a set of LayoutParams values for root of the returned 3849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * hierarchy (if <em>attachToRoot</em> is false.) 3859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param attachToRoot Whether the inflated hierarchy should be attached to 3869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the root parameter? If false, root is only used to create the 3879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * correct subclass of LayoutParams for the root view in the XML. 3889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return The root View of the inflated hierarchy. If root was supplied and 3899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * attachToRoot is true, this is root; otherwise it is the root of 3909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the inflated XML file. 3919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public View inflate(int resource, ViewGroup root, boolean attachToRoot) { 3939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (DEBUG) System.out.println("INFLATING from resource: " + resource); 3949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project XmlResourceParser parser = getContext().getResources().getLayout(resource); 3959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project try { 3969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return inflate(parser, root, attachToRoot); 3979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } finally { 3989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project parser.close(); 3999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Inflate a new view hierarchy from the specified XML node. Throws 4049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link InflateException} if there is an error. 4059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p> 4069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <em><strong>Important</strong></em> For performance 4079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * reasons, view inflation relies heavily on pre-processing of XML files 4089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * that is done at build time. Therefore, it is not currently possible to 4099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * use LayoutInflater with an XmlPullParser over a plain XML file at runtime. 4109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 4119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param parser XML dom node containing the description of the view 4129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * hierarchy. 4139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param root Optional view to be the parent of the generated hierarchy (if 4149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <em>attachToRoot</em> is true), or else simply an object that 4159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * provides a set of LayoutParams values for root of the returned 4169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * hierarchy (if <em>attachToRoot</em> is false.) 4179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param attachToRoot Whether the inflated hierarchy should be attached to 4189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the root parameter? If false, root is only used to create the 4199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * correct subclass of LayoutParams for the root view in the XML. 4209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return The root View of the inflated hierarchy. If root was supplied and 4219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * attachToRoot is true, this is root; otherwise it is the root of 4229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the inflated XML file. 4239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public View inflate(XmlPullParser parser, ViewGroup root, boolean attachToRoot) { 4259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project synchronized (mConstructorArgs) { 4269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final AttributeSet attrs = Xml.asAttributeSet(parser); 4279dae48e3992521f104cde7c916ed1fb5ee1ecb54Dianne Hackborn Context lastContext = (Context)mConstructorArgs[0]; 4289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mConstructorArgs[0] = mContext; 4299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project View result = root; 4309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project try { 4329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Look for the root node. 4339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int type; 4349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while ((type = parser.next()) != XmlPullParser.START_TAG && 4359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project type != XmlPullParser.END_DOCUMENT) { 4369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Empty 4379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (type != XmlPullParser.START_TAG) { 4409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new InflateException(parser.getPositionDescription() 4419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project + ": No start tag found!"); 4429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final String name = parser.getName(); 4459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (DEBUG) { 4479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.out.println("**************************"); 4489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.out.println("Creating root view: " 4499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project + name); 4509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.out.println("**************************"); 4519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (TAG_MERGE.equals(name)) { 4549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (root == null || !attachToRoot) { 4559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new InflateException("<merge /> can be used only with a valid " 4569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project + "ViewGroup root and attachToRoot=true"); 4579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4599295ada0ec89fa7a666be4a2f1006a4b722adf4fRomain Guy rInflate(parser, root, attrs, false); 4609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 4619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Temp is the root view that was found in the xml 4629c1223a71397b565f38015c07cae57a5015a6500Romain Guy View temp; 4639c1223a71397b565f38015c07cae57a5015a6500Romain Guy if (TAG_1995.equals(name)) { 4649c1223a71397b565f38015c07cae57a5015a6500Romain Guy temp = new BlinkLayout(mContext, attrs); 4659c1223a71397b565f38015c07cae57a5015a6500Romain Guy } else { 4669c1223a71397b565f38015c07cae57a5015a6500Romain Guy temp = createViewFromTag(root, name, attrs); 4679c1223a71397b565f38015c07cae57a5015a6500Romain Guy } 4689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ViewGroup.LayoutParams params = null; 4709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (root != null) { 4729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (DEBUG) { 4739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.out.println("Creating params from root: " + 4749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project root); 4759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Create layout params that match root, if supplied 4779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project params = root.generateLayoutParams(attrs); 4789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!attachToRoot) { 4799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Set the layout params for temp if we are not 4809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // attaching. (If we are, we use addView, below) 4819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project temp.setLayoutParams(params); 4829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (DEBUG) { 4869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.out.println("-----> start inflating children"); 4879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Inflate all children under temp 4899295ada0ec89fa7a666be4a2f1006a4b722adf4fRomain Guy rInflate(parser, temp, attrs, true); 4909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (DEBUG) { 4919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.out.println("-----> done inflating children"); 4929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // We are supposed to attach all the views we found (int temp) 4959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // to root. Do that now. 4969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (root != null && attachToRoot) { 4979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project root.addView(temp, params); 4989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Decide whether to return the root that was passed in or the 5019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // top view found in xml. 5029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (root == null || !attachToRoot) { 5039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project result = temp; 5049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } catch (XmlPullParserException e) { 5089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project InflateException ex = new InflateException(e.getMessage()); 5099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ex.initCause(e); 5109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw ex; 5119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } catch (IOException e) { 5129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project InflateException ex = new InflateException( 5139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project parser.getPositionDescription() 5149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project + ": " + e.getMessage()); 5159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ex.initCause(e); 5169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw ex; 5179dae48e3992521f104cde7c916ed1fb5ee1ecb54Dianne Hackborn } finally { 5189dae48e3992521f104cde7c916ed1fb5ee1ecb54Dianne Hackborn // Don't retain static reference on context. 5199dae48e3992521f104cde7c916ed1fb5ee1ecb54Dianne Hackborn mConstructorArgs[0] = lastContext; 5209dae48e3992521f104cde7c916ed1fb5ee1ecb54Dianne Hackborn mConstructorArgs[1] = null; 5219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return result; 5249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Low-level function for instantiating a view by name. This attempts to 5299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * instantiate a view class of the given <var>name</var> found in this 5309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * LayoutInflater's ClassLoader. 5319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 5329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p> 5339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * There are two things that can happen in an error case: either the 5349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * exception describing the error will be thrown, or a null will be 5359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * returned. You must deal with both possibilities -- the former will happen 5369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the first time createView() is called for a class of a particular name, 5379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the latter every time there-after for that class name. 5389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 5399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param name The full name of the class to be instantiated. 5409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param attrs The XML attributes supplied for this instance. 5419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 5423030193dc179b3010f2dd3bffe9c1dec54da38fcGilles Debunne * @return View The newly instantiated view, or null. 5439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final View createView(String name, String prefix, AttributeSet attrs) 5459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throws ClassNotFoundException, InflateException { 5463030193dc179b3010f2dd3bffe9c1dec54da38fcGilles Debunne Constructor<? extends View> constructor = sConstructorMap.get(name); 5473030193dc179b3010f2dd3bffe9c1dec54da38fcGilles Debunne Class<? extends View> clazz = null; 5489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project try { 5509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (constructor == null) { 5519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Class not found in the cache, see if it's real, and try to add it 552d03b880836bcc4fae83a95458e0709cd45aa6313Romain Guy clazz = mContext.getClassLoader().loadClass( 5533030193dc179b3010f2dd3bffe9c1dec54da38fcGilles Debunne prefix != null ? (prefix + name) : name).asSubclass(View.class); 5549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mFilter != null && clazz != null) { 5569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean allowed = mFilter.onLoadClass(clazz); 5579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!allowed) { 5589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project failNotAllowed(name, prefix, attrs); 5599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project constructor = clazz.getConstructor(mConstructorSignature); 5629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sConstructorMap.put(name, constructor); 5639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 5649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // If we have a filter, apply it to cached constructor 5659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mFilter != null) { 5669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Have we seen this name before? 5679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Boolean allowedState = mFilterMap.get(name); 5689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (allowedState == null) { 5699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // New class -- remember whether it is allowed 570d03b880836bcc4fae83a95458e0709cd45aa6313Romain Guy clazz = mContext.getClassLoader().loadClass( 5713030193dc179b3010f2dd3bffe9c1dec54da38fcGilles Debunne prefix != null ? (prefix + name) : name).asSubclass(View.class); 5729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean allowed = clazz != null && mFilter.onLoadClass(clazz); 5749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFilterMap.put(name, allowed); 5759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!allowed) { 5769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project failNotAllowed(name, prefix, attrs); 5779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (allowedState.equals(Boolean.FALSE)) { 5799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project failNotAllowed(name, prefix, attrs); 5809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Object[] args = mConstructorArgs; 5859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project args[1] = attrs; 586b27b7a152437d6ebb4f2a2700858b69634c00acdJeff Sharkey 587b27b7a152437d6ebb4f2a2700858b69634c00acdJeff Sharkey final View view = constructor.newInstance(args); 588b27b7a152437d6ebb4f2a2700858b69634c00acdJeff Sharkey if (view instanceof ViewStub) { 589b27b7a152437d6ebb4f2a2700858b69634c00acdJeff Sharkey // always use ourselves when inflating ViewStub later 590b27b7a152437d6ebb4f2a2700858b69634c00acdJeff Sharkey final ViewStub viewStub = (ViewStub) view; 591b27b7a152437d6ebb4f2a2700858b69634c00acdJeff Sharkey viewStub.setLayoutInflater(this); 592b27b7a152437d6ebb4f2a2700858b69634c00acdJeff Sharkey } 593b27b7a152437d6ebb4f2a2700858b69634c00acdJeff Sharkey return view; 5949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } catch (NoSuchMethodException e) { 5969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project InflateException ie = new InflateException(attrs.getPositionDescription() 5979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project + ": Error inflating class " 5989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project + (prefix != null ? (prefix + name) : name)); 5999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ie.initCause(e); 6009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw ie; 6019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6023030193dc179b3010f2dd3bffe9c1dec54da38fcGilles Debunne } catch (ClassCastException e) { 6033030193dc179b3010f2dd3bffe9c1dec54da38fcGilles Debunne // If loaded class is not a View subclass 6043030193dc179b3010f2dd3bffe9c1dec54da38fcGilles Debunne InflateException ie = new InflateException(attrs.getPositionDescription() 6053030193dc179b3010f2dd3bffe9c1dec54da38fcGilles Debunne + ": Class is not a View " 6063030193dc179b3010f2dd3bffe9c1dec54da38fcGilles Debunne + (prefix != null ? (prefix + name) : name)); 6073030193dc179b3010f2dd3bffe9c1dec54da38fcGilles Debunne ie.initCause(e); 6083030193dc179b3010f2dd3bffe9c1dec54da38fcGilles Debunne throw ie; 6099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } catch (ClassNotFoundException e) { 6109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // If loadClass fails, we should propagate the exception. 6119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw e; 6129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } catch (Exception e) { 6139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project InflateException ie = new InflateException(attrs.getPositionDescription() 6149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project + ": Error inflating class " 615d03b880836bcc4fae83a95458e0709cd45aa6313Romain Guy + (clazz == null ? "<unknown>" : clazz.getName())); 6169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ie.initCause(e); 6179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw ie; 6189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 6223030193dc179b3010f2dd3bffe9c1dec54da38fcGilles Debunne * Throw an exception because the specified class is not allowed to be inflated. 6239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void failNotAllowed(String name, String prefix, AttributeSet attrs) { 6259c1223a71397b565f38015c07cae57a5015a6500Romain Guy throw new InflateException(attrs.getPositionDescription() 6269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project + ": Class not allowed to be inflated " 6279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project + (prefix != null ? (prefix + name) : name)); 6289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 6319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * This routine is responsible for creating the correct subclass of View 6329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * given the xml element name. Override it to handle custom view objects. If 6339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * you override this in your subclass be sure to call through to 6349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * super.onCreateView(name) for names you do not recognize. 6359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 6369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param name The fully qualified class name of the View to be create. 6379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param attrs An AttributeSet of attributes to apply to the View. 6389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 6399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return View The View created. 6409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected View onCreateView(String name, AttributeSet attrs) 6429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throws ClassNotFoundException { 6439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return createView(name, "android.view.", attrs); 6449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 646625ac271f80777668f832a344486a6fcdc06d0aeDianne Hackborn /** 647625ac271f80777668f832a344486a6fcdc06d0aeDianne Hackborn * Version of {@link #onCreateView(String, AttributeSet)} that also 648625ac271f80777668f832a344486a6fcdc06d0aeDianne Hackborn * takes the future parent of the view being constructure. The default 649625ac271f80777668f832a344486a6fcdc06d0aeDianne Hackborn * implementation simply calls {@link #onCreateView(String, AttributeSet)}. 650625ac271f80777668f832a344486a6fcdc06d0aeDianne Hackborn * 651625ac271f80777668f832a344486a6fcdc06d0aeDianne Hackborn * @param parent The future parent of the returned view. <em>Note that 652625ac271f80777668f832a344486a6fcdc06d0aeDianne Hackborn * this may be null.</em> 653625ac271f80777668f832a344486a6fcdc06d0aeDianne Hackborn * @param name The fully qualified class name of the View to be create. 654625ac271f80777668f832a344486a6fcdc06d0aeDianne Hackborn * @param attrs An AttributeSet of attributes to apply to the View. 655625ac271f80777668f832a344486a6fcdc06d0aeDianne Hackborn * 656625ac271f80777668f832a344486a6fcdc06d0aeDianne Hackborn * @return View The View created. 657625ac271f80777668f832a344486a6fcdc06d0aeDianne Hackborn */ 658625ac271f80777668f832a344486a6fcdc06d0aeDianne Hackborn protected View onCreateView(View parent, String name, AttributeSet attrs) 659625ac271f80777668f832a344486a6fcdc06d0aeDianne Hackborn throws ClassNotFoundException { 660625ac271f80777668f832a344486a6fcdc06d0aeDianne Hackborn return onCreateView(name, attrs); 661625ac271f80777668f832a344486a6fcdc06d0aeDianne Hackborn } 662625ac271f80777668f832a344486a6fcdc06d0aeDianne Hackborn 6639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* 6649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * default visibility so the BridgeInflater can override it. 6659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 666625ac271f80777668f832a344486a6fcdc06d0aeDianne Hackborn View createViewFromTag(View parent, String name, AttributeSet attrs) { 6679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (name.equals("view")) { 6689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project name = attrs.getAttributeValue(null, "class"); 6699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (DEBUG) System.out.println("******** Creating view: " + name); 6729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project try { 674625ac271f80777668f832a344486a6fcdc06d0aeDianne Hackborn View view; 675625ac271f80777668f832a344486a6fcdc06d0aeDianne Hackborn if (mFactory2 != null) view = mFactory2.onCreateView(parent, name, mContext, attrs); 676625ac271f80777668f832a344486a6fcdc06d0aeDianne Hackborn else if (mFactory != null) view = mFactory.onCreateView(name, mContext, attrs); 677625ac271f80777668f832a344486a6fcdc06d0aeDianne Hackborn else view = null; 6789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 679420829ef78c5d86e470fc445279c7c10be6b5dbeDianne Hackborn if (view == null && mPrivateFactory != null) { 680420829ef78c5d86e470fc445279c7c10be6b5dbeDianne Hackborn view = mPrivateFactory.onCreateView(parent, name, mContext, attrs); 681420829ef78c5d86e470fc445279c7c10be6b5dbeDianne Hackborn } 682420829ef78c5d86e470fc445279c7c10be6b5dbeDianne Hackborn 6839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (view == null) { 6849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (-1 == name.indexOf('.')) { 685625ac271f80777668f832a344486a6fcdc06d0aeDianne Hackborn view = onCreateView(parent, name, attrs); 6869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 6879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project view = createView(name, null, attrs); 6889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (DEBUG) System.out.println("Created view is: " + view); 6929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return view; 6939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } catch (InflateException e) { 6959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw e; 6969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } catch (ClassNotFoundException e) { 6989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project InflateException ie = new InflateException(attrs.getPositionDescription() 6999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project + ": Error inflating class " + name); 7009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ie.initCause(e); 7019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw ie; 7029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } catch (Exception e) { 7049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project InflateException ie = new InflateException(attrs.getPositionDescription() 7059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project + ": Error inflating class " + name); 7069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ie.initCause(e); 7079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw ie; 7089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 7129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Recursive method used to descend down the xml hierarchy and instantiate 7139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * views, instantiate their children, and then call onFinishInflate(). 7149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7157f9f99ea11051614a7727dfb9f9578b518e76e3cXavier Ducrohet void rInflate(XmlPullParser parser, View parent, final AttributeSet attrs, 7169295ada0ec89fa7a666be4a2f1006a4b722adf4fRomain Guy boolean finishInflate) throws XmlPullParserException, IOException { 7179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int depth = parser.getDepth(); 7199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int type; 7209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (((type = parser.next()) != XmlPullParser.END_TAG || 7229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project parser.getDepth() > depth) && type != XmlPullParser.END_DOCUMENT) { 7239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (type != XmlPullParser.START_TAG) { 7259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project continue; 7269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final String name = parser.getName(); 7299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (TAG_REQUEST_FOCUS.equals(name)) { 7319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project parseRequestFocus(parser, parent); 7329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (TAG_INCLUDE.equals(name)) { 7339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (parser.getDepth() == 0) { 7349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new InflateException("<include /> cannot be the root element"); 7359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project parseInclude(parser, parent, attrs); 7379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (TAG_MERGE.equals(name)) { 7389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new InflateException("<merge /> must be the root element"); 7399c1223a71397b565f38015c07cae57a5015a6500Romain Guy } else if (TAG_1995.equals(name)) { 7409c1223a71397b565f38015c07cae57a5015a6500Romain Guy final View view = new BlinkLayout(mContext, attrs); 7419c1223a71397b565f38015c07cae57a5015a6500Romain Guy final ViewGroup viewGroup = (ViewGroup) parent; 7429c1223a71397b565f38015c07cae57a5015a6500Romain Guy final ViewGroup.LayoutParams params = viewGroup.generateLayoutParams(attrs); 7439c1223a71397b565f38015c07cae57a5015a6500Romain Guy rInflate(parser, view, attrs, true); 7449c1223a71397b565f38015c07cae57a5015a6500Romain Guy viewGroup.addView(view, params); 7459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 746625ac271f80777668f832a344486a6fcdc06d0aeDianne Hackborn final View view = createViewFromTag(parent, name, attrs); 7479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final ViewGroup viewGroup = (ViewGroup) parent; 7489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final ViewGroup.LayoutParams params = viewGroup.generateLayoutParams(attrs); 7499295ada0ec89fa7a666be4a2f1006a4b722adf4fRomain Guy rInflate(parser, view, attrs, true); 7509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project viewGroup.addView(view, params); 7519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7549295ada0ec89fa7a666be4a2f1006a4b722adf4fRomain Guy if (finishInflate) parent.onFinishInflate(); 7559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void parseRequestFocus(XmlPullParser parser, View parent) 7589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throws XmlPullParserException, IOException { 7599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int type; 7609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project parent.requestFocus(); 7619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int currentDepth = parser.getDepth(); 7629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (((type = parser.next()) != XmlPullParser.END_TAG || 7639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project parser.getDepth() > currentDepth) && type != XmlPullParser.END_DOCUMENT) { 7649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Empty 7659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void parseInclude(XmlPullParser parser, View parent, AttributeSet attrs) 7699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throws XmlPullParserException, IOException { 7709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int type; 7729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (parent instanceof ViewGroup) { 7749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int layout = attrs.getAttributeResourceValue(null, "layout", 0); 7759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (layout == 0) { 7769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final String value = attrs.getAttributeValue(null, "layout"); 7779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (value == null) { 7789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new InflateException("You must specifiy a layout in the" 7799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project + " include tag: <include layout=\"@layout/layoutID\" />"); 7809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 7819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new InflateException("You must specifiy a valid layout " 7829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project + "reference. The layout ID " + value + " is not valid."); 7839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 7859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final XmlResourceParser childParser = 7869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project getContext().getResources().getLayout(layout); 7879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project try { 7899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final AttributeSet childAttrs = Xml.asAttributeSet(childParser); 7909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while ((type = childParser.next()) != XmlPullParser.START_TAG && 7929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project type != XmlPullParser.END_DOCUMENT) { 7939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Empty. 7949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (type != XmlPullParser.START_TAG) { 7979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new InflateException(childParser.getPositionDescription() + 7989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ": No start tag found!"); 7999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final String childName = childParser.getName(); 8029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (TAG_MERGE.equals(childName)) { 8049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Inflate all children. 8059295ada0ec89fa7a666be4a2f1006a4b722adf4fRomain Guy rInflate(childParser, parent, childAttrs, false); 8069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 807625ac271f80777668f832a344486a6fcdc06d0aeDianne Hackborn final View view = createViewFromTag(parent, childName, childAttrs); 8089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final ViewGroup group = (ViewGroup) parent; 8099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // We try to load the layout params set in the <include /> tag. If 8119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // they don't exist, we will rely on the layout params set in the 8129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // included XML file. 8139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // During a layoutparams generation, a runtime exception is thrown 8149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // if either layout_width or layout_height is missing. We catch 8159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // this exception and set localParams accordingly: true means we 8169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // successfully loaded layout params from the <include /> tag, 8179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // false means we need to rely on the included layout params. 8189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ViewGroup.LayoutParams params = null; 8199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project try { 8209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project params = group.generateLayoutParams(attrs); 8219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } catch (RuntimeException e) { 8229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project params = group.generateLayoutParams(childAttrs); 8239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } finally { 8249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (params != null) { 8259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project view.setLayoutParams(params); 8269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Inflate all children. 8309295ada0ec89fa7a666be4a2f1006a4b722adf4fRomain Guy rInflate(childParser, view, childAttrs, true); 8319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Attempt to override the included layout's android:id with the 8339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // one set on the <include /> tag itself. 8349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project TypedArray a = mContext.obtainStyledAttributes(attrs, 8359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project com.android.internal.R.styleable.View, 0, 0); 8369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int id = a.getResourceId(com.android.internal.R.styleable.View_id, View.NO_ID); 8379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // While we're at it, let's try to override android:visibility. 8389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int visibility = a.getInt(com.android.internal.R.styleable.View_visibility, -1); 8399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project a.recycle(); 8409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (id != View.NO_ID) { 8429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project view.setId(id); 8439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project switch (visibility) { 8469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case 0: 8479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project view.setVisibility(View.VISIBLE); 8489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 8499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case 1: 8509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project view.setVisibility(View.INVISIBLE); 8519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 8529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case 2: 8539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project view.setVisibility(View.GONE); 8549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 8559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project group.addView(view); 8589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } finally { 8609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project childParser.close(); 8619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 8649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new InflateException("<include /> can only be used inside of a ViewGroup"); 8659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int currentDepth = parser.getDepth(); 8689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (((type = parser.next()) != XmlPullParser.END_TAG || 8699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project parser.getDepth() > currentDepth) && type != XmlPullParser.END_DOCUMENT) { 8709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Empty 8719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8729c1223a71397b565f38015c07cae57a5015a6500Romain Guy } 8739c1223a71397b565f38015c07cae57a5015a6500Romain Guy 8749c1223a71397b565f38015c07cae57a5015a6500Romain Guy private static class BlinkLayout extends FrameLayout { 8759c1223a71397b565f38015c07cae57a5015a6500Romain Guy private static final int MESSAGE_BLINK = 0x42; 8769c1223a71397b565f38015c07cae57a5015a6500Romain Guy private static final int BLINK_DELAY = 500; 8779c1223a71397b565f38015c07cae57a5015a6500Romain Guy 8789c1223a71397b565f38015c07cae57a5015a6500Romain Guy private boolean mBlink; 8799c1223a71397b565f38015c07cae57a5015a6500Romain Guy private boolean mBlinkState; 8809c1223a71397b565f38015c07cae57a5015a6500Romain Guy private final Handler mHandler; 8819c1223a71397b565f38015c07cae57a5015a6500Romain Guy 8829c1223a71397b565f38015c07cae57a5015a6500Romain Guy public BlinkLayout(Context context, AttributeSet attrs) { 8839c1223a71397b565f38015c07cae57a5015a6500Romain Guy super(context, attrs); 8849c1223a71397b565f38015c07cae57a5015a6500Romain Guy mHandler = new Handler(new Handler.Callback() { 8859c1223a71397b565f38015c07cae57a5015a6500Romain Guy @Override 8869c1223a71397b565f38015c07cae57a5015a6500Romain Guy public boolean handleMessage(Message msg) { 8879c1223a71397b565f38015c07cae57a5015a6500Romain Guy if (msg.what == MESSAGE_BLINK) { 8889c1223a71397b565f38015c07cae57a5015a6500Romain Guy if (mBlink) { 8899c1223a71397b565f38015c07cae57a5015a6500Romain Guy mBlinkState = !mBlinkState; 8909c1223a71397b565f38015c07cae57a5015a6500Romain Guy makeBlink(); 8919c1223a71397b565f38015c07cae57a5015a6500Romain Guy } 8929c1223a71397b565f38015c07cae57a5015a6500Romain Guy invalidate(); 8939c1223a71397b565f38015c07cae57a5015a6500Romain Guy return true; 8949c1223a71397b565f38015c07cae57a5015a6500Romain Guy } 8959c1223a71397b565f38015c07cae57a5015a6500Romain Guy return false; 8969c1223a71397b565f38015c07cae57a5015a6500Romain Guy } 8979c1223a71397b565f38015c07cae57a5015a6500Romain Guy }); 8989c1223a71397b565f38015c07cae57a5015a6500Romain Guy } 8999c1223a71397b565f38015c07cae57a5015a6500Romain Guy 9009c1223a71397b565f38015c07cae57a5015a6500Romain Guy private void makeBlink() { 9019c1223a71397b565f38015c07cae57a5015a6500Romain Guy Message message = mHandler.obtainMessage(MESSAGE_BLINK); 9029c1223a71397b565f38015c07cae57a5015a6500Romain Guy mHandler.sendMessageDelayed(message, BLINK_DELAY); 9039c1223a71397b565f38015c07cae57a5015a6500Romain Guy } 9049c1223a71397b565f38015c07cae57a5015a6500Romain Guy 9059c1223a71397b565f38015c07cae57a5015a6500Romain Guy @Override 9069c1223a71397b565f38015c07cae57a5015a6500Romain Guy protected void onAttachedToWindow() { 9079c1223a71397b565f38015c07cae57a5015a6500Romain Guy super.onAttachedToWindow(); 9089c1223a71397b565f38015c07cae57a5015a6500Romain Guy 9099c1223a71397b565f38015c07cae57a5015a6500Romain Guy mBlink = true; 9109c1223a71397b565f38015c07cae57a5015a6500Romain Guy mBlinkState = true; 9119c1223a71397b565f38015c07cae57a5015a6500Romain Guy 9129c1223a71397b565f38015c07cae57a5015a6500Romain Guy makeBlink(); 9139c1223a71397b565f38015c07cae57a5015a6500Romain Guy } 9149c1223a71397b565f38015c07cae57a5015a6500Romain Guy 9159c1223a71397b565f38015c07cae57a5015a6500Romain Guy @Override 9169c1223a71397b565f38015c07cae57a5015a6500Romain Guy protected void onDetachedFromWindow() { 9179c1223a71397b565f38015c07cae57a5015a6500Romain Guy super.onDetachedFromWindow(); 9189c1223a71397b565f38015c07cae57a5015a6500Romain Guy 9199c1223a71397b565f38015c07cae57a5015a6500Romain Guy mBlink = false; 9209c1223a71397b565f38015c07cae57a5015a6500Romain Guy mBlinkState = true; 9219c1223a71397b565f38015c07cae57a5015a6500Romain Guy 9229c1223a71397b565f38015c07cae57a5015a6500Romain Guy mHandler.removeMessages(MESSAGE_BLINK); 9239c1223a71397b565f38015c07cae57a5015a6500Romain Guy } 9249c1223a71397b565f38015c07cae57a5015a6500Romain Guy 9259c1223a71397b565f38015c07cae57a5015a6500Romain Guy @Override 9269c1223a71397b565f38015c07cae57a5015a6500Romain Guy protected void dispatchDraw(Canvas canvas) { 9279c1223a71397b565f38015c07cae57a5015a6500Romain Guy if (mBlinkState) { 9289c1223a71397b565f38015c07cae57a5015a6500Romain Guy super.dispatchDraw(canvas); 9299c1223a71397b565f38015c07cae57a5015a6500Romain Guy } 9309c1223a71397b565f38015c07cae57a5015a6500Romain Guy } 9319c1223a71397b565f38015c07cae57a5015a6500Romain Guy } 9329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 933