19066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 29066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Copyright (C) 2006 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.widget; 189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19ce2baf0d57ee3f1e8a7f07c030595f489407d1ceGilles Debunneimport com.android.internal.R; 20ce2baf0d57ee3f1e8a7f07c030595f489407d1ceGilles Debunne 219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.app.LocalActivityManager; 229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.content.Context; 239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.content.Intent; 2444c1473c03a0021224fa94af9b1e3579ec244b12Gilles Debunneimport android.content.res.TypedArray; 259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.graphics.drawable.Drawable; 267609764295d1b3ec0b53d1ae536ee0280f5e0407Mike Cleronimport android.os.Build; 2711f4a48c54f3006778c874662ff04a4d9d157f25Jeff Sharkeyimport android.text.TextUtils; 289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.util.AttributeSet; 299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.view.KeyEvent; 309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.view.LayoutInflater; 319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.view.SoundEffectConstants; 329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.view.View; 339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.view.ViewGroup; 349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.view.ViewTreeObserver; 359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.view.Window; 368a78fd4d9572dff95432fcc4ba0e87563415b728Svetoslav Ganovimport android.view.accessibility.AccessibilityEvent; 378a78fd4d9572dff95432fcc4ba0e87563415b728Svetoslav Ganovimport android.view.accessibility.AccessibilityNodeInfo; 389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport java.util.ArrayList; 409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport java.util.List; 419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/** 439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Container for a tabbed window view. This object holds two children: a set of tab labels that the 449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * user clicks to select a specific tab, and a FrameLayout object that displays the contents of that 459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * page. The individual elements are typically controlled using this container object, rather than 469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * setting values on the child elements themselves. 4741ec65355bd6ded652769725b276d47c54a0d913Scott Main * 489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpublic class TabHost extends FrameLayout implements ViewTreeObserver.OnTouchModeChangeListener { 509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5154ed87c685fe5a911a622ffef1d5824af6ea95a9Roger Olsson private static final int TABWIDGET_LOCATION_LEFT = 0; 5254ed87c685fe5a911a622ffef1d5824af6ea95a9Roger Olsson private static final int TABWIDGET_LOCATION_TOP = 1; 5354ed87c685fe5a911a622ffef1d5824af6ea95a9Roger Olsson private static final int TABWIDGET_LOCATION_RIGHT = 2; 5454ed87c685fe5a911a622ffef1d5824af6ea95a9Roger Olsson private static final int TABWIDGET_LOCATION_BOTTOM = 3; 559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private TabWidget mTabWidget; 569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private FrameLayout mTabContent; 579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private List<TabSpec> mTabSpecs = new ArrayList<TabSpec>(2); 589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * This field should be made private, so it is hidden from the SDK. 609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@hide} 619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected int mCurrentTab = -1; 639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private View mCurrentView = null; 649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * This field should be made private, so it is hidden from the SDK. 669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@hide} 679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected LocalActivityManager mLocalActivityManager = null; 699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private OnTabChangeListener mOnTabChangeListener; 709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private OnKeyListener mTabKeyListener; 719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7244c1473c03a0021224fa94af9b1e3579ec244b12Gilles Debunne private int mTabLayoutId; 7344c1473c03a0021224fa94af9b1e3579ec244b12Gilles Debunne 749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public TabHost(Context context) { 759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super(context); 769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project initTabHost(); 779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public TabHost(Context context, AttributeSet attrs) { 80617feb99a06e7ffb3894e86a286bf30e085f321aAlan Viverette this(context, attrs, com.android.internal.R.attr.tabWidgetStyle); 81617feb99a06e7ffb3894e86a286bf30e085f321aAlan Viverette } 82617feb99a06e7ffb3894e86a286bf30e085f321aAlan Viverette 83617feb99a06e7ffb3894e86a286bf30e085f321aAlan Viverette public TabHost(Context context, AttributeSet attrs, int defStyleAttr) { 84617feb99a06e7ffb3894e86a286bf30e085f321aAlan Viverette this(context, attrs, defStyleAttr, 0); 85617feb99a06e7ffb3894e86a286bf30e085f321aAlan Viverette } 86617feb99a06e7ffb3894e86a286bf30e085f321aAlan Viverette 87617feb99a06e7ffb3894e86a286bf30e085f321aAlan Viverette public TabHost(Context context, AttributeSet attrs, int defStyleAttr, int defStyleRes) { 889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super(context, attrs); 8944c1473c03a0021224fa94af9b1e3579ec244b12Gilles Debunne 90617feb99a06e7ffb3894e86a286bf30e085f321aAlan Viverette final TypedArray a = context.obtainStyledAttributes( 91617feb99a06e7ffb3894e86a286bf30e085f321aAlan Viverette attrs, com.android.internal.R.styleable.TabWidget, defStyleAttr, defStyleRes); 9244c1473c03a0021224fa94af9b1e3579ec244b12Gilles Debunne 9344c1473c03a0021224fa94af9b1e3579ec244b12Gilles Debunne mTabLayoutId = a.getResourceId(R.styleable.TabWidget_tabLayout, 0); 940e23ab70919739995a2e2612ddd1dfc2ad3bae76Gilles Debunne a.recycle(); 950e23ab70919739995a2e2612ddd1dfc2ad3bae76Gilles Debunne 9644c1473c03a0021224fa94af9b1e3579ec244b12Gilles Debunne if (mTabLayoutId == 0) { 970e23ab70919739995a2e2612ddd1dfc2ad3bae76Gilles Debunne // In case the tabWidgetStyle does not inherit from Widget.TabWidget and tabLayout is 980e23ab70919739995a2e2612ddd1dfc2ad3bae76Gilles Debunne // not defined. 990e23ab70919739995a2e2612ddd1dfc2ad3bae76Gilles Debunne mTabLayoutId = R.layout.tab_indicator_holo; 10044c1473c03a0021224fa94af9b1e3579ec244b12Gilles Debunne } 10144c1473c03a0021224fa94af9b1e3579ec244b12Gilles Debunne 1029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project initTabHost(); 1039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1057237c56faea76d43b304562828a443ca766c3c78Romain Guy private void initTabHost() { 1069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setFocusableInTouchMode(true); 1079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setDescendantFocusability(FOCUS_AFTER_DESCENDANTS); 1089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCurrentTab = -1; 1109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCurrentView = null; 1119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Get a new {@link TabSpec} associated with this tab host. 1159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param tag required tag of tab. 1169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public TabSpec newTabSpec(String tag) { 1189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return new TabSpec(tag); 1199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 124982be3be054960fbf254f225b4aeaee0310e619fJack Veenstra * <p>Call setup() before adding tabs if loading TabHost using findViewById(). 125982be3be054960fbf254f225b4aeaee0310e619fJack Veenstra * <i><b>However</i></b>: You do not need to call setup() after getTabHost() 126982be3be054960fbf254f225b4aeaee0310e619fJack Veenstra * in {@link android.app.TabActivity TabActivity}. 1279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Example:</p> 1289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project<pre>mTabHost = (TabHost)findViewById(R.id.tabhost); 1299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source ProjectmTabHost.setup(); 1309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source ProjectmTabHost.addTab(TAB_TAG_1, "Hello, world!", "Tab 1"); 1319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setup() { 1339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTabWidget = (TabWidget) findViewById(com.android.internal.R.id.tabs); 1349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mTabWidget == null) { 1359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new RuntimeException( 1369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "Your TabHost must have a TabWidget whose id attribute is 'android.R.id.tabs'"); 1379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1383730bb1cd59bcfa9f5cad8361997b84113ed5923Evan Millar 1393730bb1cd59bcfa9f5cad8361997b84113ed5923Evan Millar // KeyListener to attach to all tabs. Detects non-navigation keys 1409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // and relays them to the tab content. 1419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTabKeyListener = new OnKeyListener() { 1429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean onKey(View v, int keyCode, KeyEvent event) { 1439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project switch (keyCode) { 1449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case KeyEvent.KEYCODE_DPAD_CENTER: 1459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case KeyEvent.KEYCODE_DPAD_LEFT: 1469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case KeyEvent.KEYCODE_DPAD_RIGHT: 1479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case KeyEvent.KEYCODE_DPAD_UP: 1489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case KeyEvent.KEYCODE_DPAD_DOWN: 1499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case KeyEvent.KEYCODE_ENTER: 1509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 1513730bb1cd59bcfa9f5cad8361997b84113ed5923Evan Millar 1529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTabContent.requestFocus(View.FOCUS_FORWARD); 1549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mTabContent.dispatchKeyEvent(event); 1559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1563730bb1cd59bcfa9f5cad8361997b84113ed5923Evan Millar 1579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project }; 1583730bb1cd59bcfa9f5cad8361997b84113ed5923Evan Millar 1599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTabWidget.setTabSelectionListener(new TabWidget.OnTabSelectionChanged() { 1609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void onTabSelectionChanged(int tabIndex, boolean clicked) { 1619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setCurrentTab(tabIndex); 1629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (clicked) { 1639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTabContent.requestFocus(View.FOCUS_FORWARD); 1649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project }); 1679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTabContent = (FrameLayout) findViewById(com.android.internal.R.id.tabcontent); 1699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mTabContent == null) { 1709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new RuntimeException( 1713730bb1cd59bcfa9f5cad8361997b84113ed5923Evan Millar "Your TabHost must have a FrameLayout whose id attribute is " 1727237c56faea76d43b304562828a443ca766c3c78Romain Guy + "'android.R.id.tabcontent'"); 1739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1765ac413a1d40b04f12d80d65b7c0168b5b225b3e7Svetoslav Ganov @Override 1775ac413a1d40b04f12d80d65b7c0168b5b225b3e7Svetoslav Ganov public void sendAccessibilityEvent(int eventType) { 1785ac413a1d40b04f12d80d65b7c0168b5b225b3e7Svetoslav Ganov /* avoid super class behavior - TabWidget sends the right events */ 1795ac413a1d40b04f12d80d65b7c0168b5b225b3e7Svetoslav Ganov } 1805ac413a1d40b04f12d80d65b7c0168b5b225b3e7Svetoslav Ganov 1819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * If you are using {@link TabSpec#setContent(android.content.Intent)}, this 1839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * must be called since the activityGroup is needed to launch the local activity. 1849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 1859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * This is done for you if you extend {@link android.app.TabActivity}. 1869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param activityGroup Used to launch activities for tab content. 1879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setup(LocalActivityManager activityGroup) { 1899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setup(); 1909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLocalActivityManager = activityGroup; 1919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 1959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void onAttachedToWindow() { 1969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.onAttachedToWindow(); 1979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final ViewTreeObserver treeObserver = getViewTreeObserver(); 1980e7d652dbd7cc6415685bece745a752da39179c6Gilles Debunne treeObserver.addOnTouchModeChangeListener(this); 1999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 2029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void onDetachedFromWindow() { 2039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.onDetachedFromWindow(); 2049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final ViewTreeObserver treeObserver = getViewTreeObserver(); 2050e7d652dbd7cc6415685bece745a752da39179c6Gilles Debunne treeObserver.removeOnTouchModeChangeListener(this); 2069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@inheritDoc} 2109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void onTouchModeChanged(boolean isInTouchMode) { 2129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!isInTouchMode) { 2139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // leaving touch mode.. if nothing has focus, let's give it to 2149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // the indicator of the current tab 2157237c56faea76d43b304562828a443ca766c3c78Romain Guy if (mCurrentView != null && (!mCurrentView.hasFocus() || mCurrentView.isFocused())) { 21653175148c9b962c0ffe9cea0f3dc68bc0196e044Jack Veenstra mTabWidget.getChildTabViewAt(mCurrentTab).requestFocus(); 2179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Add a tab. 2239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param tabSpec Specifies how to create the indicator and content. 2249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void addTab(TabSpec tabSpec) { 2269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (tabSpec.mIndicatorStrategy == null) { 2289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalArgumentException("you must specify a way to create the tab indicator."); 2299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (tabSpec.mContentStrategy == null) { 2329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalArgumentException("you must specify a way to create the tab content"); 2339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project View tabIndicator = tabSpec.mIndicatorStrategy.createIndicatorView(); 2359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project tabIndicator.setOnKeyListener(mTabKeyListener); 23653175148c9b962c0ffe9cea0f3dc68bc0196e044Jack Veenstra 23753175148c9b962c0ffe9cea0f3dc68bc0196e044Jack Veenstra // If this is a custom view, then do not draw the bottom strips for 23853175148c9b962c0ffe9cea0f3dc68bc0196e044Jack Veenstra // the tab indicators. 23953175148c9b962c0ffe9cea0f3dc68bc0196e044Jack Veenstra if (tabSpec.mIndicatorStrategy instanceof ViewIndicatorStrategy) { 24061c9d4b4509aeaab1fcad24fb5a63c874d2fd941Romain Guy mTabWidget.setStripEnabled(false); 24153175148c9b962c0ffe9cea0f3dc68bc0196e044Jack Veenstra } 24244c1473c03a0021224fa94af9b1e3579ec244b12Gilles Debunne 2439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTabWidget.addView(tabIndicator); 2449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTabSpecs.add(tabSpec); 2459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mCurrentTab == -1) { 2479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setCurrentTab(0); 2489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Removes all tabs from the tab widget associated with this tab host. 2549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void clearAllTabs() { 2569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTabWidget.removeAllViews(); 2579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project initTabHost(); 2589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTabContent.removeAllViews(); 2599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTabSpecs.clear(); 2609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project requestLayout(); 2619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project invalidate(); 2629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public TabWidget getTabWidget() { 2659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mTabWidget; 2669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getCurrentTab() { 2699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mCurrentTab; 2709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public String getCurrentTabTag() { 2739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mCurrentTab >= 0 && mCurrentTab < mTabSpecs.size()) { 2749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mTabSpecs.get(mCurrentTab).getTag(); 2759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return null; 2779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public View getCurrentTabView() { 2809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mCurrentTab >= 0 && mCurrentTab < mTabSpecs.size()) { 28153175148c9b962c0ffe9cea0f3dc68bc0196e044Jack Veenstra return mTabWidget.getChildTabViewAt(mCurrentTab); 2829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return null; 2849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public View getCurrentView() { 2879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mCurrentView; 2889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setCurrentTabByTag(String tag) { 2919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int i; 2929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (i = 0; i < mTabSpecs.size(); i++) { 2939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mTabSpecs.get(i).getTag().equals(tag)) { 2949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setCurrentTab(i); 2959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 2969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Get the FrameLayout which holds tab content 3029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public FrameLayout getTabContentView() { 3049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mTabContent; 3059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 30754ed87c685fe5a911a622ffef1d5824af6ea95a9Roger Olsson /** 30854ed87c685fe5a911a622ffef1d5824af6ea95a9Roger Olsson * Get the location of the TabWidget. 30954ed87c685fe5a911a622ffef1d5824af6ea95a9Roger Olsson * 31054ed87c685fe5a911a622ffef1d5824af6ea95a9Roger Olsson * @return The TabWidget location. 31154ed87c685fe5a911a622ffef1d5824af6ea95a9Roger Olsson */ 31254ed87c685fe5a911a622ffef1d5824af6ea95a9Roger Olsson private int getTabWidgetLocation() { 31354ed87c685fe5a911a622ffef1d5824af6ea95a9Roger Olsson int location = TABWIDGET_LOCATION_TOP; 31454ed87c685fe5a911a622ffef1d5824af6ea95a9Roger Olsson 31554ed87c685fe5a911a622ffef1d5824af6ea95a9Roger Olsson switch (mTabWidget.getOrientation()) { 31654ed87c685fe5a911a622ffef1d5824af6ea95a9Roger Olsson case LinearLayout.VERTICAL: 31754ed87c685fe5a911a622ffef1d5824af6ea95a9Roger Olsson location = (mTabContent.getLeft() < mTabWidget.getLeft()) ? TABWIDGET_LOCATION_RIGHT 31854ed87c685fe5a911a622ffef1d5824af6ea95a9Roger Olsson : TABWIDGET_LOCATION_LEFT; 31954ed87c685fe5a911a622ffef1d5824af6ea95a9Roger Olsson break; 32054ed87c685fe5a911a622ffef1d5824af6ea95a9Roger Olsson case LinearLayout.HORIZONTAL: 32154ed87c685fe5a911a622ffef1d5824af6ea95a9Roger Olsson default: 32254ed87c685fe5a911a622ffef1d5824af6ea95a9Roger Olsson location = (mTabContent.getTop() < mTabWidget.getTop()) ? TABWIDGET_LOCATION_BOTTOM 32354ed87c685fe5a911a622ffef1d5824af6ea95a9Roger Olsson : TABWIDGET_LOCATION_TOP; 32454ed87c685fe5a911a622ffef1d5824af6ea95a9Roger Olsson break; 32554ed87c685fe5a911a622ffef1d5824af6ea95a9Roger Olsson } 32654ed87c685fe5a911a622ffef1d5824af6ea95a9Roger Olsson return location; 32754ed87c685fe5a911a622ffef1d5824af6ea95a9Roger Olsson } 32854ed87c685fe5a911a622ffef1d5824af6ea95a9Roger Olsson 3299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 3309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean dispatchKeyEvent(KeyEvent event) { 3319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final boolean handled = super.dispatchKeyEvent(event); 3329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 33354ed87c685fe5a911a622ffef1d5824af6ea95a9Roger Olsson // unhandled key events change focus to tab indicator for embedded 33454ed87c685fe5a911a622ffef1d5824af6ea95a9Roger Olsson // activities when there is nothing that will take focus from default 33554ed87c685fe5a911a622ffef1d5824af6ea95a9Roger Olsson // focus searching 3369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!handled 3379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project && (event.getAction() == KeyEvent.ACTION_DOWN) 338acdef59d66094f11da4a6f57194747dc06f73da2Bjorn Bringert && (mCurrentView != null) 3399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project && (mCurrentView.isRootNamespace()) 34054ed87c685fe5a911a622ffef1d5824af6ea95a9Roger Olsson && (mCurrentView.hasFocus())) { 34154ed87c685fe5a911a622ffef1d5824af6ea95a9Roger Olsson int keyCodeShouldChangeFocus = KeyEvent.KEYCODE_DPAD_UP; 34254ed87c685fe5a911a622ffef1d5824af6ea95a9Roger Olsson int directionShouldChangeFocus = View.FOCUS_UP; 34354ed87c685fe5a911a622ffef1d5824af6ea95a9Roger Olsson int soundEffect = SoundEffectConstants.NAVIGATION_UP; 34454ed87c685fe5a911a622ffef1d5824af6ea95a9Roger Olsson 34554ed87c685fe5a911a622ffef1d5824af6ea95a9Roger Olsson switch (getTabWidgetLocation()) { 34654ed87c685fe5a911a622ffef1d5824af6ea95a9Roger Olsson case TABWIDGET_LOCATION_LEFT: 34754ed87c685fe5a911a622ffef1d5824af6ea95a9Roger Olsson keyCodeShouldChangeFocus = KeyEvent.KEYCODE_DPAD_LEFT; 34854ed87c685fe5a911a622ffef1d5824af6ea95a9Roger Olsson directionShouldChangeFocus = View.FOCUS_LEFT; 34954ed87c685fe5a911a622ffef1d5824af6ea95a9Roger Olsson soundEffect = SoundEffectConstants.NAVIGATION_LEFT; 35054ed87c685fe5a911a622ffef1d5824af6ea95a9Roger Olsson break; 35154ed87c685fe5a911a622ffef1d5824af6ea95a9Roger Olsson case TABWIDGET_LOCATION_RIGHT: 35254ed87c685fe5a911a622ffef1d5824af6ea95a9Roger Olsson keyCodeShouldChangeFocus = KeyEvent.KEYCODE_DPAD_RIGHT; 35354ed87c685fe5a911a622ffef1d5824af6ea95a9Roger Olsson directionShouldChangeFocus = View.FOCUS_RIGHT; 35454ed87c685fe5a911a622ffef1d5824af6ea95a9Roger Olsson soundEffect = SoundEffectConstants.NAVIGATION_RIGHT; 35554ed87c685fe5a911a622ffef1d5824af6ea95a9Roger Olsson break; 35654ed87c685fe5a911a622ffef1d5824af6ea95a9Roger Olsson case TABWIDGET_LOCATION_BOTTOM: 35754ed87c685fe5a911a622ffef1d5824af6ea95a9Roger Olsson keyCodeShouldChangeFocus = KeyEvent.KEYCODE_DPAD_DOWN; 35854ed87c685fe5a911a622ffef1d5824af6ea95a9Roger Olsson directionShouldChangeFocus = View.FOCUS_DOWN; 35954ed87c685fe5a911a622ffef1d5824af6ea95a9Roger Olsson soundEffect = SoundEffectConstants.NAVIGATION_DOWN; 36054ed87c685fe5a911a622ffef1d5824af6ea95a9Roger Olsson break; 36154ed87c685fe5a911a622ffef1d5824af6ea95a9Roger Olsson case TABWIDGET_LOCATION_TOP: 36254ed87c685fe5a911a622ffef1d5824af6ea95a9Roger Olsson default: 36354ed87c685fe5a911a622ffef1d5824af6ea95a9Roger Olsson keyCodeShouldChangeFocus = KeyEvent.KEYCODE_DPAD_UP; 36454ed87c685fe5a911a622ffef1d5824af6ea95a9Roger Olsson directionShouldChangeFocus = View.FOCUS_UP; 36554ed87c685fe5a911a622ffef1d5824af6ea95a9Roger Olsson soundEffect = SoundEffectConstants.NAVIGATION_UP; 36654ed87c685fe5a911a622ffef1d5824af6ea95a9Roger Olsson break; 36754ed87c685fe5a911a622ffef1d5824af6ea95a9Roger Olsson } 36854ed87c685fe5a911a622ffef1d5824af6ea95a9Roger Olsson if (event.getKeyCode() == keyCodeShouldChangeFocus 36954ed87c685fe5a911a622ffef1d5824af6ea95a9Roger Olsson && mCurrentView.findFocus().focusSearch(directionShouldChangeFocus) == null) { 37054ed87c685fe5a911a622ffef1d5824af6ea95a9Roger Olsson mTabWidget.getChildTabViewAt(mCurrentTab).requestFocus(); 37154ed87c685fe5a911a622ffef1d5824af6ea95a9Roger Olsson playSoundEffect(soundEffect); 37254ed87c685fe5a911a622ffef1d5824af6ea95a9Roger Olsson return true; 37354ed87c685fe5a911a622ffef1d5824af6ea95a9Roger Olsson } 3749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3753730bb1cd59bcfa9f5cad8361997b84113ed5923Evan Millar return handled; 3769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 3809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void dispatchWindowFocusChanged(boolean hasFocus) { 381acdef59d66094f11da4a6f57194747dc06f73da2Bjorn Bringert if (mCurrentView != null){ 382acdef59d66094f11da4a6f57194747dc06f73da2Bjorn Bringert mCurrentView.dispatchWindowFocusChanged(hasFocus); 383acdef59d66094f11da4a6f57194747dc06f73da2Bjorn Bringert } 3849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3868a78fd4d9572dff95432fcc4ba0e87563415b728Svetoslav Ganov @Override 3878a78fd4d9572dff95432fcc4ba0e87563415b728Svetoslav Ganov public void onInitializeAccessibilityEvent(AccessibilityEvent event) { 3888a78fd4d9572dff95432fcc4ba0e87563415b728Svetoslav Ganov super.onInitializeAccessibilityEvent(event); 3898a78fd4d9572dff95432fcc4ba0e87563415b728Svetoslav Ganov event.setClassName(TabHost.class.getName()); 3908a78fd4d9572dff95432fcc4ba0e87563415b728Svetoslav Ganov } 3918a78fd4d9572dff95432fcc4ba0e87563415b728Svetoslav Ganov 3928a78fd4d9572dff95432fcc4ba0e87563415b728Svetoslav Ganov @Override 3938a78fd4d9572dff95432fcc4ba0e87563415b728Svetoslav Ganov public void onInitializeAccessibilityNodeInfo(AccessibilityNodeInfo info) { 3948a78fd4d9572dff95432fcc4ba0e87563415b728Svetoslav Ganov super.onInitializeAccessibilityNodeInfo(info); 3958a78fd4d9572dff95432fcc4ba0e87563415b728Svetoslav Ganov info.setClassName(TabHost.class.getName()); 3968a78fd4d9572dff95432fcc4ba0e87563415b728Svetoslav Ganov } 3978a78fd4d9572dff95432fcc4ba0e87563415b728Svetoslav Ganov 3989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setCurrentTab(int index) { 3999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (index < 0 || index >= mTabSpecs.size()) { 4009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 4019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (index == mCurrentTab) { 4049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 4059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // notify old tab content 4089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mCurrentTab != -1) { 4099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTabSpecs.get(mCurrentTab).mContentStrategy.tabClosed(); 4109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCurrentTab = index; 4139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final TabHost.TabSpec spec = mTabSpecs.get(index); 4149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Call the tab widget's focusCurrentTab(), instead of just 4169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // selecting the tab. 4179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTabWidget.focusCurrentTab(mCurrentTab); 4183730bb1cd59bcfa9f5cad8361997b84113ed5923Evan Millar 4199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // tab content 4209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCurrentView = spec.mContentStrategy.getContentView(); 4219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mCurrentView.getParent() == null) { 4239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTabContent 4249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project .addView( 4259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCurrentView, 4269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project new ViewGroup.LayoutParams( 427980a938c1c9a6a5791a8240e5a1e6638ab28dc77Romain Guy ViewGroup.LayoutParams.MATCH_PARENT, 428980a938c1c9a6a5791a8240e5a1e6638ab28dc77Romain Guy ViewGroup.LayoutParams.MATCH_PARENT)); 4299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!mTabWidget.hasFocus()) { 4329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // if the tab widget didn't take focus (likely because we're in touch mode) 4339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // give the current tab content view a shot 4349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCurrentView.requestFocus(); 4359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //mTabContent.requestFocus(View.FOCUS_FORWARD); 4389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project invokeOnTabChangeListener(); 4399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Register a callback to be invoked when the selected state of any of the items 4439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * in this list changes 4449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param l 4459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The callback that will run 4469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setOnTabChangedListener(OnTabChangeListener l) { 4489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mOnTabChangeListener = l; 4499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void invokeOnTabChangeListener() { 4529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mOnTabChangeListener != null) { 4539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mOnTabChangeListener.onTabChanged(getCurrentTabTag()); 4549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Interface definition for a callback to be invoked when tab changed 4599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public interface OnTabChangeListener { 4619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void onTabChanged(String tabId); 4629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Makes the content of a tab when it is selected. Use this if your tab 4679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * content needs to be created on demand, i.e. you are not showing an 4689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * existing view or starting an activity. 4699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public interface TabContentFactory { 4719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Callback to make the tab contents 4733730bb1cd59bcfa9f5cad8361997b84113ed5923Evan Millar * 4749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param tag 4759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Which tab was selected. 476982be3be054960fbf254f225b4aeaee0310e619fJack Veenstra * @return The view to display the contents of the selected tab. 4779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project View createTabContent(String tag); 4799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 483982be3be054960fbf254f225b4aeaee0310e619fJack Veenstra * A tab has a tab indicator, content, and a tag that is used to keep 4849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * track of it. This builder helps choose among these options. 4859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 4869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * For the tab indicator, your choices are: 4879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 1) set a label 4889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 2) set a label and an icon 4899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 4909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * For the tab content, your choices are: 4919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 1) the id of a {@link View} 4929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 2) a {@link TabContentFactory} that creates the {@link View} content. 4939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 3) an {@link Intent} that launches an {@link android.app.Activity}. 4949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public class TabSpec { 4969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private String mTag; 4989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private IndicatorStrategy mIndicatorStrategy; 5009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private ContentStrategy mContentStrategy; 5019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private TabSpec(String tag) { 5039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTag = tag; 5049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Specify a label as the tab indicator. 5089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public TabSpec setIndicator(CharSequence label) { 5109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mIndicatorStrategy = new LabelIndicatorStrategy(label); 5119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return this; 5129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Specify a label and icon as the tab indicator. 5169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public TabSpec setIndicator(CharSequence label, Drawable icon) { 5189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mIndicatorStrategy = new LabelAndIconIndicatorStrategy(label, icon); 5199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return this; 5209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 52353175148c9b962c0ffe9cea0f3dc68bc0196e044Jack Veenstra * Specify a view as the tab indicator. 52453175148c9b962c0ffe9cea0f3dc68bc0196e044Jack Veenstra */ 52553175148c9b962c0ffe9cea0f3dc68bc0196e044Jack Veenstra public TabSpec setIndicator(View view) { 52653175148c9b962c0ffe9cea0f3dc68bc0196e044Jack Veenstra mIndicatorStrategy = new ViewIndicatorStrategy(view); 52753175148c9b962c0ffe9cea0f3dc68bc0196e044Jack Veenstra return this; 52853175148c9b962c0ffe9cea0f3dc68bc0196e044Jack Veenstra } 52953175148c9b962c0ffe9cea0f3dc68bc0196e044Jack Veenstra 53053175148c9b962c0ffe9cea0f3dc68bc0196e044Jack Veenstra /** 5319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Specify the id of the view that should be used as the content 5329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * of the tab. 5339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public TabSpec setContent(int viewId) { 5359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mContentStrategy = new ViewIdContentStrategy(viewId); 5369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return this; 5379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Specify a {@link android.widget.TabHost.TabContentFactory} to use to 5419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * create the content of the tab. 5429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public TabSpec setContent(TabContentFactory contentFactory) { 5449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mContentStrategy = new FactoryContentStrategy(mTag, contentFactory); 5459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return this; 5469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Specify an intent to use to launch an activity as the tab content. 5509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public TabSpec setContent(Intent intent) { 5529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mContentStrategy = new IntentContentStrategy(mTag, intent); 5539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return this; 5549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 55753175148c9b962c0ffe9cea0f3dc68bc0196e044Jack Veenstra public String getTag() { 5589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mTag; 5599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Specifies what you do to create a tab indicator. 5649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static interface IndicatorStrategy { 5669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Return the view for the indicator. 5699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project View createIndicatorView(); 5719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Specifies what you do to manage the tab content. 5759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static interface ContentStrategy { 5779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Return the content view. The view should may be cached locally. 5809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project View getContentView(); 5829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Perhaps do something when the tab associated with this content has 5859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * been closed (i.e make it invisible, or remove it). 5869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void tabClosed(); 5889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * How to create a tab indicator that just has a label. 5929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private class LabelIndicatorStrategy implements IndicatorStrategy { 5949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private final CharSequence mLabel; 5969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private LabelIndicatorStrategy(CharSequence label) { 5989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLabel = label; 5999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public View createIndicatorView() { 6027609764295d1b3ec0b53d1ae536ee0280f5e0407Mike Cleron final Context context = getContext(); 6039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LayoutInflater inflater = 6047609764295d1b3ec0b53d1ae536ee0280f5e0407Mike Cleron (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE); 60544c1473c03a0021224fa94af9b1e3579ec244b12Gilles Debunne View tabIndicator = inflater.inflate(mTabLayoutId, 6069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTabWidget, // tab widget is the parent 6079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project false); // no inflate params 6089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final TextView tv = (TextView) tabIndicator.findViewById(R.id.title); 6109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project tv.setText(mLabel); 6119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6127609764295d1b3ec0b53d1ae536ee0280f5e0407Mike Cleron if (context.getApplicationInfo().targetSdkVersion <= Build.VERSION_CODES.DONUT) { 6137609764295d1b3ec0b53d1ae536ee0280f5e0407Mike Cleron // Donut apps get old color scheme 6147609764295d1b3ec0b53d1ae536ee0280f5e0407Mike Cleron tabIndicator.setBackgroundResource(R.drawable.tab_indicator_v4); 6157609764295d1b3ec0b53d1ae536ee0280f5e0407Mike Cleron tv.setTextColor(context.getResources().getColorStateList(R.color.tab_indicator_text_v4)); 6167609764295d1b3ec0b53d1ae536ee0280f5e0407Mike Cleron } 61744c1473c03a0021224fa94af9b1e3579ec244b12Gilles Debunne 6189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return tabIndicator; 6199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 6239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * How we create a tab indicator that has a label and an icon 6249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private class LabelAndIconIndicatorStrategy implements IndicatorStrategy { 6269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private final CharSequence mLabel; 6289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private final Drawable mIcon; 6299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private LabelAndIconIndicatorStrategy(CharSequence label, Drawable icon) { 6319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLabel = label; 6329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mIcon = icon; 6339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public View createIndicatorView() { 6367609764295d1b3ec0b53d1ae536ee0280f5e0407Mike Cleron final Context context = getContext(); 6379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LayoutInflater inflater = 6387609764295d1b3ec0b53d1ae536ee0280f5e0407Mike Cleron (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE); 63944c1473c03a0021224fa94af9b1e3579ec244b12Gilles Debunne View tabIndicator = inflater.inflate(mTabLayoutId, 6409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTabWidget, // tab widget is the parent 6419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project false); // no inflate params 6429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final TextView tv = (TextView) tabIndicator.findViewById(R.id.title); 64411f4a48c54f3006778c874662ff04a4d9d157f25Jeff Sharkey final ImageView iconView = (ImageView) tabIndicator.findViewById(R.id.icon); 64511f4a48c54f3006778c874662ff04a4d9d157f25Jeff Sharkey 64611f4a48c54f3006778c874662ff04a4d9d157f25Jeff Sharkey // when icon is gone by default, we're in exclusive mode 64711f4a48c54f3006778c874662ff04a4d9d157f25Jeff Sharkey final boolean exclusive = iconView.getVisibility() == View.GONE; 64811f4a48c54f3006778c874662ff04a4d9d157f25Jeff Sharkey final boolean bindIcon = !exclusive || TextUtils.isEmpty(mLabel); 64911f4a48c54f3006778c874662ff04a4d9d157f25Jeff Sharkey 6509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project tv.setText(mLabel); 6519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 65211f4a48c54f3006778c874662ff04a4d9d157f25Jeff Sharkey if (bindIcon && mIcon != null) { 65344c1473c03a0021224fa94af9b1e3579ec244b12Gilles Debunne iconView.setImageDrawable(mIcon); 65444c1473c03a0021224fa94af9b1e3579ec244b12Gilles Debunne iconView.setVisibility(VISIBLE); 65544c1473c03a0021224fa94af9b1e3579ec244b12Gilles Debunne } 6569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6577609764295d1b3ec0b53d1ae536ee0280f5e0407Mike Cleron if (context.getApplicationInfo().targetSdkVersion <= Build.VERSION_CODES.DONUT) { 6587609764295d1b3ec0b53d1ae536ee0280f5e0407Mike Cleron // Donut apps get old color scheme 6597609764295d1b3ec0b53d1ae536ee0280f5e0407Mike Cleron tabIndicator.setBackgroundResource(R.drawable.tab_indicator_v4); 6607609764295d1b3ec0b53d1ae536ee0280f5e0407Mike Cleron tv.setTextColor(context.getResources().getColorStateList(R.color.tab_indicator_text_v4)); 6617609764295d1b3ec0b53d1ae536ee0280f5e0407Mike Cleron } 66244c1473c03a0021224fa94af9b1e3579ec244b12Gilles Debunne 6639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return tabIndicator; 6649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 66853175148c9b962c0ffe9cea0f3dc68bc0196e044Jack Veenstra * How to create a tab indicator by specifying a view. 66953175148c9b962c0ffe9cea0f3dc68bc0196e044Jack Veenstra */ 67053175148c9b962c0ffe9cea0f3dc68bc0196e044Jack Veenstra private class ViewIndicatorStrategy implements IndicatorStrategy { 67153175148c9b962c0ffe9cea0f3dc68bc0196e044Jack Veenstra 67253175148c9b962c0ffe9cea0f3dc68bc0196e044Jack Veenstra private final View mView; 67353175148c9b962c0ffe9cea0f3dc68bc0196e044Jack Veenstra 67453175148c9b962c0ffe9cea0f3dc68bc0196e044Jack Veenstra private ViewIndicatorStrategy(View view) { 67553175148c9b962c0ffe9cea0f3dc68bc0196e044Jack Veenstra mView = view; 67653175148c9b962c0ffe9cea0f3dc68bc0196e044Jack Veenstra } 67753175148c9b962c0ffe9cea0f3dc68bc0196e044Jack Veenstra 67853175148c9b962c0ffe9cea0f3dc68bc0196e044Jack Veenstra public View createIndicatorView() { 67953175148c9b962c0ffe9cea0f3dc68bc0196e044Jack Veenstra return mView; 68053175148c9b962c0ffe9cea0f3dc68bc0196e044Jack Veenstra } 68153175148c9b962c0ffe9cea0f3dc68bc0196e044Jack Veenstra } 68253175148c9b962c0ffe9cea0f3dc68bc0196e044Jack Veenstra 68353175148c9b962c0ffe9cea0f3dc68bc0196e044Jack Veenstra /** 6849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * How to create the tab content via a view id. 6859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private class ViewIdContentStrategy implements ContentStrategy { 6879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private final View mView; 6899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private ViewIdContentStrategy(int viewId) { 6919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mView = mTabContent.findViewById(viewId); 6929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mView != null) { 6939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mView.setVisibility(View.GONE); 6949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 6959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new RuntimeException("Could not create tab content because " + 6969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "could not find view with id " + viewId); 6979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public View getContentView() { 7019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mView.setVisibility(View.VISIBLE); 7029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mView; 7039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void tabClosed() { 7069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mView.setVisibility(View.GONE); 7079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 7119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * How tab content is managed using {@link TabContentFactory}. 7129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private class FactoryContentStrategy implements ContentStrategy { 7149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private View mTabContent; 7159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private final CharSequence mTag; 7169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private TabContentFactory mFactory; 7179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public FactoryContentStrategy(CharSequence tag, TabContentFactory factory) { 7199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTag = tag; 7209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFactory = factory; 7219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public View getContentView() { 7249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mTabContent == null) { 7259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTabContent = mFactory.createTabContent(mTag.toString()); 7269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTabContent.setVisibility(View.VISIBLE); 7289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mTabContent; 7299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void tabClosed() { 732ce2baf0d57ee3f1e8a7f07c030595f489407d1ceGilles Debunne mTabContent.setVisibility(View.GONE); 7339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 7379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * How tab content is managed via an {@link Intent}: the content view is the 7389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * decorview of the launched activity. 7399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private class IntentContentStrategy implements ContentStrategy { 7419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private final String mTag; 7439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private final Intent mIntent; 7449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private View mLaunchedView; 7469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private IntentContentStrategy(String tag, Intent intent) { 7489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTag = tag; 7499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mIntent = intent; 7509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public View getContentView() { 7539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mLocalActivityManager == null) { 7549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalStateException("Did you forget to call 'public void setup(LocalActivityManager activityGroup)'?"); 7559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final Window w = mLocalActivityManager.startActivity( 7579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTag, mIntent); 7589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View wd = w != null ? w.getDecorView() : null; 7599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mLaunchedView != wd && mLaunchedView != null) { 7609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mLaunchedView.getParent() != null) { 7619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTabContent.removeView(mLaunchedView); 7629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLaunchedView = wd; 7653730bb1cd59bcfa9f5cad8361997b84113ed5923Evan Millar 766982be3be054960fbf254f225b4aeaee0310e619fJack Veenstra // XXX Set FOCUS_AFTER_DESCENDANTS on embedded activities for now so they can get 7679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // focus if none of their children have it. They need focus to be able to 7689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // display menu items. 7699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // 7709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Replace this with something better when Bug 628886 is fixed... 7719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // 7729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mLaunchedView != null) { 7739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLaunchedView.setVisibility(View.VISIBLE); 7749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLaunchedView.setFocusableInTouchMode(true); 7759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ((ViewGroup) mLaunchedView).setDescendantFocusability( 7769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project FOCUS_AFTER_DESCENDANTS); 7779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mLaunchedView; 7799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void tabClosed() { 7829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mLaunchedView != null) { 7839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLaunchedView.setVisibility(View.GONE); 7849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 789