TabHost.java revision 44c1473c03a0021224fa94af9b1e3579ec244b12
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; 279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.util.AttributeSet; 289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.view.KeyEvent; 299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.view.LayoutInflater; 309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.view.SoundEffectConstants; 319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.view.View; 329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.view.ViewGroup; 339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.view.ViewTreeObserver; 349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.view.Window; 359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport java.util.ArrayList; 379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport java.util.List; 389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/** 409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Container for a tabbed window view. This object holds two children: a set of tab labels that the 419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * user clicks to select a specific tab, and a FrameLayout object that displays the contents of that 429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * page. The individual elements are typically controlled using this container object, rather than 439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * setting values on the child elements themselves. 4441ec65355bd6ded652769725b276d47c54a0d913Scott Main * 4541ec65355bd6ded652769725b276d47c54a0d913Scott Main * <p>See the <a href="{@docRoot}resources/tutorials/views/hello-tabwidget.html">Tab Layout 4641ec65355bd6ded652769725b276d47c54a0d913Scott Main * tutorial</a>.</p> 479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpublic class TabHost extends FrameLayout implements ViewTreeObserver.OnTouchModeChangeListener { 499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private TabWidget mTabWidget; 519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private FrameLayout mTabContent; 529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private List<TabSpec> mTabSpecs = new ArrayList<TabSpec>(2); 539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * This field should be made private, so it is hidden from the SDK. 559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@hide} 569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected int mCurrentTab = -1; 589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private View mCurrentView = null; 599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * This field should be made private, so it is hidden from the SDK. 619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@hide} 629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected LocalActivityManager mLocalActivityManager = null; 649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private OnTabChangeListener mOnTabChangeListener; 659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private OnKeyListener mTabKeyListener; 669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6744c1473c03a0021224fa94af9b1e3579ec244b12Gilles Debunne private int mTabLayoutId; 6844c1473c03a0021224fa94af9b1e3579ec244b12Gilles Debunne 699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public TabHost(Context context) { 709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super(context); 719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project initTabHost(); 729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public TabHost(Context context, AttributeSet attrs) { 759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super(context, attrs); 7644c1473c03a0021224fa94af9b1e3579ec244b12Gilles Debunne 7744c1473c03a0021224fa94af9b1e3579ec244b12Gilles Debunne TypedArray a = context.obtainStyledAttributes(attrs, 7844c1473c03a0021224fa94af9b1e3579ec244b12Gilles Debunne com.android.internal.R.styleable.TabWidget, 7944c1473c03a0021224fa94af9b1e3579ec244b12Gilles Debunne com.android.internal.R.attr.tabWidgetStyle, 0); 8044c1473c03a0021224fa94af9b1e3579ec244b12Gilles Debunne 8144c1473c03a0021224fa94af9b1e3579ec244b12Gilles Debunne mTabLayoutId = a.getResourceId(R.styleable.TabWidget_tabLayout, 0); 8244c1473c03a0021224fa94af9b1e3579ec244b12Gilles Debunne if (mTabLayoutId == 0) { 8344c1473c03a0021224fa94af9b1e3579ec244b12Gilles Debunne throw new IllegalArgumentException("Invalid TabWidget tabLayout id"); 8444c1473c03a0021224fa94af9b1e3579ec244b12Gilles Debunne } 8544c1473c03a0021224fa94af9b1e3579ec244b12Gilles Debunne 8644c1473c03a0021224fa94af9b1e3579ec244b12Gilles Debunne a.recycle(); 8744c1473c03a0021224fa94af9b1e3579ec244b12Gilles Debunne 889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project initTabHost(); 899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 917237c56faea76d43b304562828a443ca766c3c78Romain Guy private void initTabHost() { 929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setFocusableInTouchMode(true); 939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setDescendantFocusability(FOCUS_AFTER_DESCENDANTS); 949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCurrentTab = -1; 969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCurrentView = null; 979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Get a new {@link TabSpec} associated with this tab host. 1019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param tag required tag of tab. 1029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public TabSpec newTabSpec(String tag) { 1049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return new TabSpec(tag); 1059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 110982be3be054960fbf254f225b4aeaee0310e619fJack Veenstra * <p>Call setup() before adding tabs if loading TabHost using findViewById(). 111982be3be054960fbf254f225b4aeaee0310e619fJack Veenstra * <i><b>However</i></b>: You do not need to call setup() after getTabHost() 112982be3be054960fbf254f225b4aeaee0310e619fJack Veenstra * in {@link android.app.TabActivity TabActivity}. 1139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Example:</p> 1149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project<pre>mTabHost = (TabHost)findViewById(R.id.tabhost); 1159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source ProjectmTabHost.setup(); 1169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source ProjectmTabHost.addTab(TAB_TAG_1, "Hello, world!", "Tab 1"); 1179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setup() { 1199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTabWidget = (TabWidget) findViewById(com.android.internal.R.id.tabs); 1209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mTabWidget == null) { 1219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new RuntimeException( 1229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "Your TabHost must have a TabWidget whose id attribute is 'android.R.id.tabs'"); 1239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1243730bb1cd59bcfa9f5cad8361997b84113ed5923Evan Millar 1253730bb1cd59bcfa9f5cad8361997b84113ed5923Evan Millar // KeyListener to attach to all tabs. Detects non-navigation keys 1269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // and relays them to the tab content. 1279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTabKeyListener = new OnKeyListener() { 1289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean onKey(View v, int keyCode, KeyEvent event) { 1299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project switch (keyCode) { 1309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case KeyEvent.KEYCODE_DPAD_CENTER: 1319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case KeyEvent.KEYCODE_DPAD_LEFT: 1329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case KeyEvent.KEYCODE_DPAD_RIGHT: 1339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case KeyEvent.KEYCODE_DPAD_UP: 1349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case KeyEvent.KEYCODE_DPAD_DOWN: 1359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case KeyEvent.KEYCODE_ENTER: 1369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 1373730bb1cd59bcfa9f5cad8361997b84113ed5923Evan Millar 1389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTabContent.requestFocus(View.FOCUS_FORWARD); 1409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mTabContent.dispatchKeyEvent(event); 1419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1423730bb1cd59bcfa9f5cad8361997b84113ed5923Evan Millar 1439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project }; 1443730bb1cd59bcfa9f5cad8361997b84113ed5923Evan Millar 1459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTabWidget.setTabSelectionListener(new TabWidget.OnTabSelectionChanged() { 1469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void onTabSelectionChanged(int tabIndex, boolean clicked) { 1479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setCurrentTab(tabIndex); 1489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (clicked) { 1499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTabContent.requestFocus(View.FOCUS_FORWARD); 1509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project }); 1539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTabContent = (FrameLayout) findViewById(com.android.internal.R.id.tabcontent); 1559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mTabContent == null) { 1569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new RuntimeException( 1573730bb1cd59bcfa9f5cad8361997b84113ed5923Evan Millar "Your TabHost must have a FrameLayout whose id attribute is " 1587237c56faea76d43b304562828a443ca766c3c78Romain Guy + "'android.R.id.tabcontent'"); 1599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1625ac413a1d40b04f12d80d65b7c0168b5b225b3e7Svetoslav Ganov @Override 1635ac413a1d40b04f12d80d65b7c0168b5b225b3e7Svetoslav Ganov public void sendAccessibilityEvent(int eventType) { 1645ac413a1d40b04f12d80d65b7c0168b5b225b3e7Svetoslav Ganov /* avoid super class behavior - TabWidget sends the right events */ 1655ac413a1d40b04f12d80d65b7c0168b5b225b3e7Svetoslav Ganov } 1665ac413a1d40b04f12d80d65b7c0168b5b225b3e7Svetoslav Ganov 1679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * If you are using {@link TabSpec#setContent(android.content.Intent)}, this 1699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * must be called since the activityGroup is needed to launch the local activity. 1709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 1719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * This is done for you if you extend {@link android.app.TabActivity}. 1729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param activityGroup Used to launch activities for tab content. 1739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setup(LocalActivityManager activityGroup) { 1759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setup(); 1769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLocalActivityManager = activityGroup; 1779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 1819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void onAttachedToWindow() { 1829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.onAttachedToWindow(); 1839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final ViewTreeObserver treeObserver = getViewTreeObserver(); 1849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (treeObserver != null) { 1859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project treeObserver.addOnTouchModeChangeListener(this); 1869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 1909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void onDetachedFromWindow() { 1919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.onDetachedFromWindow(); 1929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final ViewTreeObserver treeObserver = getViewTreeObserver(); 1939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (treeObserver != null) { 1949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project treeObserver.removeOnTouchModeChangeListener(this); 1959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@inheritDoc} 2009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void onTouchModeChanged(boolean isInTouchMode) { 2029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!isInTouchMode) { 2039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // leaving touch mode.. if nothing has focus, let's give it to 2049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // the indicator of the current tab 2057237c56faea76d43b304562828a443ca766c3c78Romain Guy if (mCurrentView != null && (!mCurrentView.hasFocus() || mCurrentView.isFocused())) { 20653175148c9b962c0ffe9cea0f3dc68bc0196e044Jack Veenstra mTabWidget.getChildTabViewAt(mCurrentTab).requestFocus(); 2079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Add a tab. 2139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param tabSpec Specifies how to create the indicator and content. 2149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void addTab(TabSpec tabSpec) { 2169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (tabSpec.mIndicatorStrategy == null) { 2189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalArgumentException("you must specify a way to create the tab indicator."); 2199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (tabSpec.mContentStrategy == null) { 2229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalArgumentException("you must specify a way to create the tab content"); 2239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project View tabIndicator = tabSpec.mIndicatorStrategy.createIndicatorView(); 2259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project tabIndicator.setOnKeyListener(mTabKeyListener); 22653175148c9b962c0ffe9cea0f3dc68bc0196e044Jack Veenstra 22753175148c9b962c0ffe9cea0f3dc68bc0196e044Jack Veenstra // If this is a custom view, then do not draw the bottom strips for 22853175148c9b962c0ffe9cea0f3dc68bc0196e044Jack Veenstra // the tab indicators. 22953175148c9b962c0ffe9cea0f3dc68bc0196e044Jack Veenstra if (tabSpec.mIndicatorStrategy instanceof ViewIndicatorStrategy) { 23061c9d4b4509aeaab1fcad24fb5a63c874d2fd941Romain Guy mTabWidget.setStripEnabled(false); 23153175148c9b962c0ffe9cea0f3dc68bc0196e044Jack Veenstra } 23244c1473c03a0021224fa94af9b1e3579ec244b12Gilles Debunne 2339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTabWidget.addView(tabIndicator); 2349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTabSpecs.add(tabSpec); 2359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mCurrentTab == -1) { 2379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setCurrentTab(0); 2389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Removes all tabs from the tab widget associated with this tab host. 2449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void clearAllTabs() { 2469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTabWidget.removeAllViews(); 2479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project initTabHost(); 2489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTabContent.removeAllViews(); 2499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTabSpecs.clear(); 2509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project requestLayout(); 2519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project invalidate(); 2529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public TabWidget getTabWidget() { 2559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mTabWidget; 2569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getCurrentTab() { 2599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mCurrentTab; 2609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public String getCurrentTabTag() { 2639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mCurrentTab >= 0 && mCurrentTab < mTabSpecs.size()) { 2649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mTabSpecs.get(mCurrentTab).getTag(); 2659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return null; 2679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public View getCurrentTabView() { 2709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mCurrentTab >= 0 && mCurrentTab < mTabSpecs.size()) { 27153175148c9b962c0ffe9cea0f3dc68bc0196e044Jack Veenstra return mTabWidget.getChildTabViewAt(mCurrentTab); 2729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return null; 2749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public View getCurrentView() { 2779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mCurrentView; 2789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setCurrentTabByTag(String tag) { 2819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int i; 2829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (i = 0; i < mTabSpecs.size(); i++) { 2839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mTabSpecs.get(i).getTag().equals(tag)) { 2849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setCurrentTab(i); 2859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 2869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Get the FrameLayout which holds tab content 2929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public FrameLayout getTabContentView() { 2949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mTabContent; 2959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 2989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean dispatchKeyEvent(KeyEvent event) { 2999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final boolean handled = super.dispatchKeyEvent(event); 3009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // unhandled key ups change focus to tab indicator for embedded activities 3029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // when there is nothing that will take focus from default focus searching 3039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!handled 3049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project && (event.getAction() == KeyEvent.ACTION_DOWN) 3059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project && (event.getKeyCode() == KeyEvent.KEYCODE_DPAD_UP) 306acdef59d66094f11da4a6f57194747dc06f73da2Bjorn Bringert && (mCurrentView != null) 3079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project && (mCurrentView.isRootNamespace()) 3089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project && (mCurrentView.hasFocus()) 3099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project && (mCurrentView.findFocus().focusSearch(View.FOCUS_UP) == null)) { 31053175148c9b962c0ffe9cea0f3dc68bc0196e044Jack Veenstra mTabWidget.getChildTabViewAt(mCurrentTab).requestFocus(); 3119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project playSoundEffect(SoundEffectConstants.NAVIGATION_UP); 3129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 3139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3143730bb1cd59bcfa9f5cad8361997b84113ed5923Evan Millar return handled; 3159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 3199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void dispatchWindowFocusChanged(boolean hasFocus) { 320acdef59d66094f11da4a6f57194747dc06f73da2Bjorn Bringert if (mCurrentView != null){ 321acdef59d66094f11da4a6f57194747dc06f73da2Bjorn Bringert mCurrentView.dispatchWindowFocusChanged(hasFocus); 322acdef59d66094f11da4a6f57194747dc06f73da2Bjorn Bringert } 3239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setCurrentTab(int index) { 3269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (index < 0 || index >= mTabSpecs.size()) { 3279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 3289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (index == mCurrentTab) { 3319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 3329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // notify old tab content 3359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mCurrentTab != -1) { 3369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTabSpecs.get(mCurrentTab).mContentStrategy.tabClosed(); 3379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCurrentTab = index; 3409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final TabHost.TabSpec spec = mTabSpecs.get(index); 3419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Call the tab widget's focusCurrentTab(), instead of just 3439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // selecting the tab. 3449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTabWidget.focusCurrentTab(mCurrentTab); 3453730bb1cd59bcfa9f5cad8361997b84113ed5923Evan Millar 3469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // tab content 3479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCurrentView = spec.mContentStrategy.getContentView(); 3489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mCurrentView.getParent() == null) { 3509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTabContent 3519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project .addView( 3529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCurrentView, 3539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project new ViewGroup.LayoutParams( 354980a938c1c9a6a5791a8240e5a1e6638ab28dc77Romain Guy ViewGroup.LayoutParams.MATCH_PARENT, 355980a938c1c9a6a5791a8240e5a1e6638ab28dc77Romain Guy ViewGroup.LayoutParams.MATCH_PARENT)); 3569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!mTabWidget.hasFocus()) { 3599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // if the tab widget didn't take focus (likely because we're in touch mode) 3609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // give the current tab content view a shot 3619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCurrentView.requestFocus(); 3629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //mTabContent.requestFocus(View.FOCUS_FORWARD); 3659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project invokeOnTabChangeListener(); 3669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Register a callback to be invoked when the selected state of any of the items 3709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * in this list changes 3719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param l 3729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The callback that will run 3739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setOnTabChangedListener(OnTabChangeListener l) { 3759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mOnTabChangeListener = l; 3769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void invokeOnTabChangeListener() { 3799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mOnTabChangeListener != null) { 3809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mOnTabChangeListener.onTabChanged(getCurrentTabTag()); 3819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Interface definition for a callback to be invoked when tab changed 3869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public interface OnTabChangeListener { 3889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void onTabChanged(String tabId); 3899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Makes the content of a tab when it is selected. Use this if your tab 3949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * content needs to be created on demand, i.e. you are not showing an 3959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * existing view or starting an activity. 3969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public interface TabContentFactory { 3989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Callback to make the tab contents 4003730bb1cd59bcfa9f5cad8361997b84113ed5923Evan Millar * 4019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param tag 4029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Which tab was selected. 403982be3be054960fbf254f225b4aeaee0310e619fJack Veenstra * @return The view to display the contents of the selected tab. 4049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project View createTabContent(String tag); 4069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 410982be3be054960fbf254f225b4aeaee0310e619fJack Veenstra * A tab has a tab indicator, content, and a tag that is used to keep 4119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * track of it. This builder helps choose among these options. 4129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 4139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * For the tab indicator, your choices are: 4149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 1) set a label 4159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 2) set a label and an icon 4169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 4179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * For the tab content, your choices are: 4189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 1) the id of a {@link View} 4199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 2) a {@link TabContentFactory} that creates the {@link View} content. 4209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 3) an {@link Intent} that launches an {@link android.app.Activity}. 4219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public class TabSpec { 4239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private String mTag; 4259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private IndicatorStrategy mIndicatorStrategy; 4279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private ContentStrategy mContentStrategy; 4289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private TabSpec(String tag) { 4309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTag = tag; 4319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Specify a label as the tab indicator. 4359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public TabSpec setIndicator(CharSequence label) { 4379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mIndicatorStrategy = new LabelIndicatorStrategy(label); 4389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return this; 4399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Specify a label and icon as the tab indicator. 4439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public TabSpec setIndicator(CharSequence label, Drawable icon) { 4459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mIndicatorStrategy = new LabelAndIconIndicatorStrategy(label, icon); 4469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return this; 4479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 45053175148c9b962c0ffe9cea0f3dc68bc0196e044Jack Veenstra * Specify a view as the tab indicator. 45153175148c9b962c0ffe9cea0f3dc68bc0196e044Jack Veenstra */ 45253175148c9b962c0ffe9cea0f3dc68bc0196e044Jack Veenstra public TabSpec setIndicator(View view) { 45353175148c9b962c0ffe9cea0f3dc68bc0196e044Jack Veenstra mIndicatorStrategy = new ViewIndicatorStrategy(view); 45453175148c9b962c0ffe9cea0f3dc68bc0196e044Jack Veenstra return this; 45553175148c9b962c0ffe9cea0f3dc68bc0196e044Jack Veenstra } 45653175148c9b962c0ffe9cea0f3dc68bc0196e044Jack Veenstra 45753175148c9b962c0ffe9cea0f3dc68bc0196e044Jack Veenstra /** 4589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Specify the id of the view that should be used as the content 4599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * of the tab. 4609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public TabSpec setContent(int viewId) { 4629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mContentStrategy = new ViewIdContentStrategy(viewId); 4639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return this; 4649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Specify a {@link android.widget.TabHost.TabContentFactory} to use to 4689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * create the content of the tab. 4699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public TabSpec setContent(TabContentFactory contentFactory) { 4719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mContentStrategy = new FactoryContentStrategy(mTag, contentFactory); 4729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return this; 4739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Specify an intent to use to launch an activity as the tab content. 4779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public TabSpec setContent(Intent intent) { 4799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mContentStrategy = new IntentContentStrategy(mTag, intent); 4809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return this; 4819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 48453175148c9b962c0ffe9cea0f3dc68bc0196e044Jack Veenstra public String getTag() { 4859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mTag; 4869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Specifies what you do to create a tab indicator. 4919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static interface IndicatorStrategy { 4939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Return the view for the indicator. 4969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project View createIndicatorView(); 4989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Specifies what you do to manage the tab content. 5029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static interface ContentStrategy { 5049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Return the content view. The view should may be cached locally. 5079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project View getContentView(); 5099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Perhaps do something when the tab associated with this content has 5129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * been closed (i.e make it invisible, or remove it). 5139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void tabClosed(); 5159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * How to create a tab indicator that just has a label. 5199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private class LabelIndicatorStrategy implements IndicatorStrategy { 5219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private final CharSequence mLabel; 5239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private LabelIndicatorStrategy(CharSequence label) { 5259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLabel = label; 5269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public View createIndicatorView() { 5297609764295d1b3ec0b53d1ae536ee0280f5e0407Mike Cleron final Context context = getContext(); 5309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LayoutInflater inflater = 5317609764295d1b3ec0b53d1ae536ee0280f5e0407Mike Cleron (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE); 53244c1473c03a0021224fa94af9b1e3579ec244b12Gilles Debunne View tabIndicator = inflater.inflate(mTabLayoutId, 5339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTabWidget, // tab widget is the parent 5349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project false); // no inflate params 5359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final TextView tv = (TextView) tabIndicator.findViewById(R.id.title); 5379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project tv.setText(mLabel); 5389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5397609764295d1b3ec0b53d1ae536ee0280f5e0407Mike Cleron if (context.getApplicationInfo().targetSdkVersion <= Build.VERSION_CODES.DONUT) { 5407609764295d1b3ec0b53d1ae536ee0280f5e0407Mike Cleron // Donut apps get old color scheme 5417609764295d1b3ec0b53d1ae536ee0280f5e0407Mike Cleron tabIndicator.setBackgroundResource(R.drawable.tab_indicator_v4); 5427609764295d1b3ec0b53d1ae536ee0280f5e0407Mike Cleron tv.setTextColor(context.getResources().getColorStateList(R.color.tab_indicator_text_v4)); 5437609764295d1b3ec0b53d1ae536ee0280f5e0407Mike Cleron } 54444c1473c03a0021224fa94af9b1e3579ec244b12Gilles Debunne 5459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return tabIndicator; 5469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * How we create a tab indicator that has a label and an icon 5519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private class LabelAndIconIndicatorStrategy implements IndicatorStrategy { 5539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private final CharSequence mLabel; 5559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private final Drawable mIcon; 5569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private LabelAndIconIndicatorStrategy(CharSequence label, Drawable icon) { 5589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLabel = label; 5599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mIcon = icon; 5609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public View createIndicatorView() { 5637609764295d1b3ec0b53d1ae536ee0280f5e0407Mike Cleron final Context context = getContext(); 5649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LayoutInflater inflater = 5657609764295d1b3ec0b53d1ae536ee0280f5e0407Mike Cleron (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE); 56644c1473c03a0021224fa94af9b1e3579ec244b12Gilles Debunne View tabIndicator = inflater.inflate(mTabLayoutId, 5679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTabWidget, // tab widget is the parent 5689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project false); // no inflate params 5699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final TextView tv = (TextView) tabIndicator.findViewById(R.id.title); 5719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project tv.setText(mLabel); 5729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final ImageView iconView = (ImageView) tabIndicator.findViewById(R.id.icon); 57444c1473c03a0021224fa94af9b1e3579ec244b12Gilles Debunne if (mIcon != null) { 57544c1473c03a0021224fa94af9b1e3579ec244b12Gilles Debunne iconView.setImageDrawable(mIcon); 57644c1473c03a0021224fa94af9b1e3579ec244b12Gilles Debunne iconView.setVisibility(VISIBLE); 57744c1473c03a0021224fa94af9b1e3579ec244b12Gilles Debunne } 5789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5797609764295d1b3ec0b53d1ae536ee0280f5e0407Mike Cleron if (context.getApplicationInfo().targetSdkVersion <= Build.VERSION_CODES.DONUT) { 5807609764295d1b3ec0b53d1ae536ee0280f5e0407Mike Cleron // Donut apps get old color scheme 5817609764295d1b3ec0b53d1ae536ee0280f5e0407Mike Cleron tabIndicator.setBackgroundResource(R.drawable.tab_indicator_v4); 5827609764295d1b3ec0b53d1ae536ee0280f5e0407Mike Cleron tv.setTextColor(context.getResources().getColorStateList(R.color.tab_indicator_text_v4)); 5837609764295d1b3ec0b53d1ae536ee0280f5e0407Mike Cleron } 58444c1473c03a0021224fa94af9b1e3579ec244b12Gilles Debunne 5859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return tabIndicator; 5869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 59053175148c9b962c0ffe9cea0f3dc68bc0196e044Jack Veenstra * How to create a tab indicator by specifying a view. 59153175148c9b962c0ffe9cea0f3dc68bc0196e044Jack Veenstra */ 59253175148c9b962c0ffe9cea0f3dc68bc0196e044Jack Veenstra private class ViewIndicatorStrategy implements IndicatorStrategy { 59353175148c9b962c0ffe9cea0f3dc68bc0196e044Jack Veenstra 59453175148c9b962c0ffe9cea0f3dc68bc0196e044Jack Veenstra private final View mView; 59553175148c9b962c0ffe9cea0f3dc68bc0196e044Jack Veenstra 59653175148c9b962c0ffe9cea0f3dc68bc0196e044Jack Veenstra private ViewIndicatorStrategy(View view) { 59753175148c9b962c0ffe9cea0f3dc68bc0196e044Jack Veenstra mView = view; 59853175148c9b962c0ffe9cea0f3dc68bc0196e044Jack Veenstra } 59953175148c9b962c0ffe9cea0f3dc68bc0196e044Jack Veenstra 60053175148c9b962c0ffe9cea0f3dc68bc0196e044Jack Veenstra public View createIndicatorView() { 60153175148c9b962c0ffe9cea0f3dc68bc0196e044Jack Veenstra return mView; 60253175148c9b962c0ffe9cea0f3dc68bc0196e044Jack Veenstra } 60353175148c9b962c0ffe9cea0f3dc68bc0196e044Jack Veenstra } 60453175148c9b962c0ffe9cea0f3dc68bc0196e044Jack Veenstra 60553175148c9b962c0ffe9cea0f3dc68bc0196e044Jack Veenstra /** 6069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * How to create the tab content via a view id. 6079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private class ViewIdContentStrategy implements ContentStrategy { 6099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private final View mView; 6119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private ViewIdContentStrategy(int viewId) { 6139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mView = mTabContent.findViewById(viewId); 6149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mView != null) { 6159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mView.setVisibility(View.GONE); 6169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 6179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new RuntimeException("Could not create tab content because " + 6189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "could not find view with id " + viewId); 6199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public View getContentView() { 6239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mView.setVisibility(View.VISIBLE); 6249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mView; 6259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void tabClosed() { 6289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mView.setVisibility(View.GONE); 6299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 6339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * How tab content is managed using {@link TabContentFactory}. 6349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private class FactoryContentStrategy implements ContentStrategy { 6369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private View mTabContent; 6379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private final CharSequence mTag; 6389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private TabContentFactory mFactory; 6399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public FactoryContentStrategy(CharSequence tag, TabContentFactory factory) { 6419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTag = tag; 6429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFactory = factory; 6439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public View getContentView() { 6469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mTabContent == null) { 6479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTabContent = mFactory.createTabContent(mTag.toString()); 6489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTabContent.setVisibility(View.VISIBLE); 6509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mTabContent; 6519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void tabClosed() { 654ce2baf0d57ee3f1e8a7f07c030595f489407d1ceGilles Debunne mTabContent.setVisibility(View.GONE); 6559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 6599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * How tab content is managed via an {@link Intent}: the content view is the 6609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * decorview of the launched activity. 6619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private class IntentContentStrategy implements ContentStrategy { 6639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private final String mTag; 6659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private final Intent mIntent; 6669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private View mLaunchedView; 6689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private IntentContentStrategy(String tag, Intent intent) { 6709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTag = tag; 6719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mIntent = intent; 6729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public View getContentView() { 6759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mLocalActivityManager == null) { 6769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalStateException("Did you forget to call 'public void setup(LocalActivityManager activityGroup)'?"); 6779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final Window w = mLocalActivityManager.startActivity( 6799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTag, mIntent); 6809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View wd = w != null ? w.getDecorView() : null; 6819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mLaunchedView != wd && mLaunchedView != null) { 6829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mLaunchedView.getParent() != null) { 6839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTabContent.removeView(mLaunchedView); 6849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLaunchedView = wd; 6873730bb1cd59bcfa9f5cad8361997b84113ed5923Evan Millar 688982be3be054960fbf254f225b4aeaee0310e619fJack Veenstra // XXX Set FOCUS_AFTER_DESCENDANTS on embedded activities for now so they can get 6899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // focus if none of their children have it. They need focus to be able to 6909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // display menu items. 6919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // 6929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Replace this with something better when Bug 628886 is fixed... 6939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // 6949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mLaunchedView != null) { 6959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLaunchedView.setVisibility(View.VISIBLE); 6969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLaunchedView.setFocusableInTouchMode(true); 6979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ((ViewGroup) mLaunchedView).setDescendantFocusability( 6989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project FOCUS_AFTER_DESCENDANTS); 6999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mLaunchedView; 7019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void tabClosed() { 7049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mLaunchedView != null) { 7059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLaunchedView.setVisibility(View.GONE); 7069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 711