TabHost.java revision 7609764295d1b3ec0b53d1ae536ee0280f5e0407
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 199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.app.LocalActivityManager; 209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.content.Context; 219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.content.Intent; 229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.graphics.drawable.Drawable; 237609764295d1b3ec0b53d1ae536ee0280f5e0407Mike Cleronimport android.os.Build; 249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.util.AttributeSet; 259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.view.KeyEvent; 269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.view.LayoutInflater; 279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.view.SoundEffectConstants; 289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.view.View; 299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.view.ViewGroup; 309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.view.ViewTreeObserver; 319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.view.Window; 329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport java.util.ArrayList; 349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport java.util.List; 359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 367609764295d1b3ec0b53d1ae536ee0280f5e0407Mike Cleronimport com.android.internal.R; 377609764295d1b3ec0b53d1ae536ee0280f5e0407Mike Cleron 389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/** 399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Container for a tabbed window view. This object holds two children: a set of tab labels that the 409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * user clicks to select a specific tab, and a FrameLayout object that displays the contents of that 419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * page. The individual elements are typically controlled using this container object, rather than 429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * setting values on the child elements themselves. 439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpublic class TabHost extends FrameLayout implements ViewTreeObserver.OnTouchModeChangeListener { 459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private TabWidget mTabWidget; 479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private FrameLayout mTabContent; 489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private List<TabSpec> mTabSpecs = new ArrayList<TabSpec>(2); 499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * This field should be made private, so it is hidden from the SDK. 519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@hide} 529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected int mCurrentTab = -1; 549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private View mCurrentView = null; 559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * This field should be made private, so it is hidden from the SDK. 579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@hide} 589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected LocalActivityManager mLocalActivityManager = null; 609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private OnTabChangeListener mOnTabChangeListener; 619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private OnKeyListener mTabKeyListener; 629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public TabHost(Context context) { 649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super(context); 659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project initTabHost(); 669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public TabHost(Context context, AttributeSet attrs) { 699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super(context, attrs); 709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project initTabHost(); 719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 737237c56faea76d43b304562828a443ca766c3c78Romain Guy private void initTabHost() { 749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setFocusableInTouchMode(true); 759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setDescendantFocusability(FOCUS_AFTER_DESCENDANTS); 769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCurrentTab = -1; 789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCurrentView = null; 799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Get a new {@link TabSpec} associated with this tab host. 839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param tag required tag of tab. 849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public TabSpec newTabSpec(String tag) { 869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return new TabSpec(tag); 879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 92982be3be054960fbf254f225b4aeaee0310e619fJack Veenstra * <p>Call setup() before adding tabs if loading TabHost using findViewById(). 93982be3be054960fbf254f225b4aeaee0310e619fJack Veenstra * <i><b>However</i></b>: You do not need to call setup() after getTabHost() 94982be3be054960fbf254f225b4aeaee0310e619fJack Veenstra * in {@link android.app.TabActivity TabActivity}. 959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Example:</p> 969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project<pre>mTabHost = (TabHost)findViewById(R.id.tabhost); 979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source ProjectmTabHost.setup(); 989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source ProjectmTabHost.addTab(TAB_TAG_1, "Hello, world!", "Tab 1"); 999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setup() { 1019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTabWidget = (TabWidget) findViewById(com.android.internal.R.id.tabs); 1029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mTabWidget == null) { 1039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new RuntimeException( 1049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "Your TabHost must have a TabWidget whose id attribute is 'android.R.id.tabs'"); 1059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1063730bb1cd59bcfa9f5cad8361997b84113ed5923Evan Millar 1073730bb1cd59bcfa9f5cad8361997b84113ed5923Evan Millar // KeyListener to attach to all tabs. Detects non-navigation keys 1089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // and relays them to the tab content. 1099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTabKeyListener = new OnKeyListener() { 1109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean onKey(View v, int keyCode, KeyEvent event) { 1119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project switch (keyCode) { 1129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case KeyEvent.KEYCODE_DPAD_CENTER: 1139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case KeyEvent.KEYCODE_DPAD_LEFT: 1149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case KeyEvent.KEYCODE_DPAD_RIGHT: 1159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case KeyEvent.KEYCODE_DPAD_UP: 1169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case KeyEvent.KEYCODE_DPAD_DOWN: 1179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case KeyEvent.KEYCODE_ENTER: 1189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 1193730bb1cd59bcfa9f5cad8361997b84113ed5923Evan Millar 1209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTabContent.requestFocus(View.FOCUS_FORWARD); 1229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mTabContent.dispatchKeyEvent(event); 1239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1243730bb1cd59bcfa9f5cad8361997b84113ed5923Evan Millar 1259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project }; 1263730bb1cd59bcfa9f5cad8361997b84113ed5923Evan Millar 1279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTabWidget.setTabSelectionListener(new TabWidget.OnTabSelectionChanged() { 1289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void onTabSelectionChanged(int tabIndex, boolean clicked) { 1299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setCurrentTab(tabIndex); 1309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (clicked) { 1319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTabContent.requestFocus(View.FOCUS_FORWARD); 1329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project }); 1359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTabContent = (FrameLayout) findViewById(com.android.internal.R.id.tabcontent); 1379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mTabContent == null) { 1389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new RuntimeException( 1393730bb1cd59bcfa9f5cad8361997b84113ed5923Evan Millar "Your TabHost must have a FrameLayout whose id attribute is " 1407237c56faea76d43b304562828a443ca766c3c78Romain Guy + "'android.R.id.tabcontent'"); 1419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * If you are using {@link TabSpec#setContent(android.content.Intent)}, this 1469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * must be called since the activityGroup is needed to launch the local activity. 1479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 1489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * This is done for you if you extend {@link android.app.TabActivity}. 1499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param activityGroup Used to launch activities for tab content. 1509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setup(LocalActivityManager activityGroup) { 1529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setup(); 1539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLocalActivityManager = activityGroup; 1549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 1589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void onAttachedToWindow() { 1599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.onAttachedToWindow(); 1609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final ViewTreeObserver treeObserver = getViewTreeObserver(); 1619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (treeObserver != null) { 1629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project treeObserver.addOnTouchModeChangeListener(this); 1639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 1679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void onDetachedFromWindow() { 1689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.onDetachedFromWindow(); 1699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final ViewTreeObserver treeObserver = getViewTreeObserver(); 1709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (treeObserver != null) { 1719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project treeObserver.removeOnTouchModeChangeListener(this); 1729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@inheritDoc} 1779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void onTouchModeChanged(boolean isInTouchMode) { 1799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!isInTouchMode) { 1809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // leaving touch mode.. if nothing has focus, let's give it to 1819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // the indicator of the current tab 1827237c56faea76d43b304562828a443ca766c3c78Romain Guy if (mCurrentView != null && (!mCurrentView.hasFocus() || mCurrentView.isFocused())) { 18353175148c9b962c0ffe9cea0f3dc68bc0196e044Jack Veenstra mTabWidget.getChildTabViewAt(mCurrentTab).requestFocus(); 1849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Add a tab. 1909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param tabSpec Specifies how to create the indicator and content. 1919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void addTab(TabSpec tabSpec) { 1939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (tabSpec.mIndicatorStrategy == null) { 1959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalArgumentException("you must specify a way to create the tab indicator."); 1969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (tabSpec.mContentStrategy == null) { 1999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalArgumentException("you must specify a way to create the tab content"); 2009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project View tabIndicator = tabSpec.mIndicatorStrategy.createIndicatorView(); 2029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project tabIndicator.setOnKeyListener(mTabKeyListener); 20353175148c9b962c0ffe9cea0f3dc68bc0196e044Jack Veenstra 20453175148c9b962c0ffe9cea0f3dc68bc0196e044Jack Veenstra // If this is a custom view, then do not draw the bottom strips for 20553175148c9b962c0ffe9cea0f3dc68bc0196e044Jack Veenstra // the tab indicators. 20653175148c9b962c0ffe9cea0f3dc68bc0196e044Jack Veenstra if (tabSpec.mIndicatorStrategy instanceof ViewIndicatorStrategy) { 20753175148c9b962c0ffe9cea0f3dc68bc0196e044Jack Veenstra mTabWidget.setDrawBottomStrips(false); 20853175148c9b962c0ffe9cea0f3dc68bc0196e044Jack Veenstra } 2099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTabWidget.addView(tabIndicator); 2109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTabSpecs.add(tabSpec); 2119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mCurrentTab == -1) { 2139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setCurrentTab(0); 2149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Removes all tabs from the tab widget associated with this tab host. 2209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void clearAllTabs() { 2229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTabWidget.removeAllViews(); 2239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project initTabHost(); 2249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTabContent.removeAllViews(); 2259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTabSpecs.clear(); 2269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project requestLayout(); 2279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project invalidate(); 2289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public TabWidget getTabWidget() { 2319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mTabWidget; 2329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getCurrentTab() { 2359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mCurrentTab; 2369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public String getCurrentTabTag() { 2399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mCurrentTab >= 0 && mCurrentTab < mTabSpecs.size()) { 2409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mTabSpecs.get(mCurrentTab).getTag(); 2419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return null; 2439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public View getCurrentTabView() { 2469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mCurrentTab >= 0 && mCurrentTab < mTabSpecs.size()) { 24753175148c9b962c0ffe9cea0f3dc68bc0196e044Jack Veenstra return mTabWidget.getChildTabViewAt(mCurrentTab); 2489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return null; 2509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public View getCurrentView() { 2539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mCurrentView; 2549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setCurrentTabByTag(String tag) { 2579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int i; 2589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (i = 0; i < mTabSpecs.size(); i++) { 2599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mTabSpecs.get(i).getTag().equals(tag)) { 2609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setCurrentTab(i); 2619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 2629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Get the FrameLayout which holds tab content 2689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public FrameLayout getTabContentView() { 2709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mTabContent; 2719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 2749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean dispatchKeyEvent(KeyEvent event) { 2759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final boolean handled = super.dispatchKeyEvent(event); 2769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // unhandled key ups change focus to tab indicator for embedded activities 2789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // when there is nothing that will take focus from default focus searching 2799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!handled 2809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project && (event.getAction() == KeyEvent.ACTION_DOWN) 2819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project && (event.getKeyCode() == KeyEvent.KEYCODE_DPAD_UP) 2829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project && (mCurrentView.isRootNamespace()) 2839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project && (mCurrentView.hasFocus()) 2849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project && (mCurrentView.findFocus().focusSearch(View.FOCUS_UP) == null)) { 28553175148c9b962c0ffe9cea0f3dc68bc0196e044Jack Veenstra mTabWidget.getChildTabViewAt(mCurrentTab).requestFocus(); 2869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project playSoundEffect(SoundEffectConstants.NAVIGATION_UP); 2879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 2889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2893730bb1cd59bcfa9f5cad8361997b84113ed5923Evan Millar return handled; 2909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 2949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void dispatchWindowFocusChanged(boolean hasFocus) { 2959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCurrentView.dispatchWindowFocusChanged(hasFocus); 2969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setCurrentTab(int index) { 2999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (index < 0 || index >= mTabSpecs.size()) { 3009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 3019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (index == mCurrentTab) { 3049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 3059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // notify old tab content 3089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mCurrentTab != -1) { 3099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTabSpecs.get(mCurrentTab).mContentStrategy.tabClosed(); 3109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCurrentTab = index; 3139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final TabHost.TabSpec spec = mTabSpecs.get(index); 3149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Call the tab widget's focusCurrentTab(), instead of just 3169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // selecting the tab. 3179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTabWidget.focusCurrentTab(mCurrentTab); 3183730bb1cd59bcfa9f5cad8361997b84113ed5923Evan Millar 3199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // tab content 3209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCurrentView = spec.mContentStrategy.getContentView(); 3219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mCurrentView.getParent() == null) { 3239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTabContent 3249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project .addView( 3259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCurrentView, 3269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project new ViewGroup.LayoutParams( 3279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ViewGroup.LayoutParams.FILL_PARENT, 3289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ViewGroup.LayoutParams.FILL_PARENT)); 3299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!mTabWidget.hasFocus()) { 3329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // if the tab widget didn't take focus (likely because we're in touch mode) 3339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // give the current tab content view a shot 3349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCurrentView.requestFocus(); 3359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //mTabContent.requestFocus(View.FOCUS_FORWARD); 3389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project invokeOnTabChangeListener(); 3399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Register a callback to be invoked when the selected state of any of the items 3439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * in this list changes 3449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param l 3459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The callback that will run 3469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setOnTabChangedListener(OnTabChangeListener l) { 3489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mOnTabChangeListener = l; 3499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void invokeOnTabChangeListener() { 3529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mOnTabChangeListener != null) { 3539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mOnTabChangeListener.onTabChanged(getCurrentTabTag()); 3549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Interface definition for a callback to be invoked when tab changed 3599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public interface OnTabChangeListener { 3619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void onTabChanged(String tabId); 3629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Makes the content of a tab when it is selected. Use this if your tab 3679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * content needs to be created on demand, i.e. you are not showing an 3689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * existing view or starting an activity. 3699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public interface TabContentFactory { 3719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Callback to make the tab contents 3733730bb1cd59bcfa9f5cad8361997b84113ed5923Evan Millar * 3749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param tag 3759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Which tab was selected. 376982be3be054960fbf254f225b4aeaee0310e619fJack Veenstra * @return The view to display the contents of the selected tab. 3779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project View createTabContent(String tag); 3799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 383982be3be054960fbf254f225b4aeaee0310e619fJack Veenstra * A tab has a tab indicator, content, and a tag that is used to keep 3849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * track of it. This builder helps choose among these options. 3859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 3869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * For the tab indicator, your choices are: 3879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 1) set a label 3889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 2) set a label and an icon 3899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 3909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * For the tab content, your choices are: 3919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 1) the id of a {@link View} 3929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 2) a {@link TabContentFactory} that creates the {@link View} content. 3939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 3) an {@link Intent} that launches an {@link android.app.Activity}. 3949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public class TabSpec { 3969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private String mTag; 3989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private IndicatorStrategy mIndicatorStrategy; 4009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private ContentStrategy mContentStrategy; 4019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private TabSpec(String tag) { 4039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTag = tag; 4049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Specify a label as the tab indicator. 4089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public TabSpec setIndicator(CharSequence label) { 4109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mIndicatorStrategy = new LabelIndicatorStrategy(label); 4119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return this; 4129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Specify a label and icon as the tab indicator. 4169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public TabSpec setIndicator(CharSequence label, Drawable icon) { 4189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mIndicatorStrategy = new LabelAndIconIndicatorStrategy(label, icon); 4199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return this; 4209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 42353175148c9b962c0ffe9cea0f3dc68bc0196e044Jack Veenstra * Specify a view as the tab indicator. 42453175148c9b962c0ffe9cea0f3dc68bc0196e044Jack Veenstra */ 42553175148c9b962c0ffe9cea0f3dc68bc0196e044Jack Veenstra public TabSpec setIndicator(View view) { 42653175148c9b962c0ffe9cea0f3dc68bc0196e044Jack Veenstra mIndicatorStrategy = new ViewIndicatorStrategy(view); 42753175148c9b962c0ffe9cea0f3dc68bc0196e044Jack Veenstra return this; 42853175148c9b962c0ffe9cea0f3dc68bc0196e044Jack Veenstra } 42953175148c9b962c0ffe9cea0f3dc68bc0196e044Jack Veenstra 43053175148c9b962c0ffe9cea0f3dc68bc0196e044Jack Veenstra /** 4319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Specify the id of the view that should be used as the content 4329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * of the tab. 4339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public TabSpec setContent(int viewId) { 4359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mContentStrategy = new ViewIdContentStrategy(viewId); 4369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return this; 4379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Specify a {@link android.widget.TabHost.TabContentFactory} to use to 4419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * create the content of the tab. 4429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public TabSpec setContent(TabContentFactory contentFactory) { 4449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mContentStrategy = new FactoryContentStrategy(mTag, contentFactory); 4459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return this; 4469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Specify an intent to use to launch an activity as the tab content. 4509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public TabSpec setContent(Intent intent) { 4529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mContentStrategy = new IntentContentStrategy(mTag, intent); 4539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return this; 4549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 45753175148c9b962c0ffe9cea0f3dc68bc0196e044Jack Veenstra public String getTag() { 4589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mTag; 4599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Specifies what you do to create a tab indicator. 4649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static interface IndicatorStrategy { 4669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Return the view for the indicator. 4699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project View createIndicatorView(); 4719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Specifies what you do to manage the tab content. 4759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static interface ContentStrategy { 4779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Return the content view. The view should may be cached locally. 4809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project View getContentView(); 4829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Perhaps do something when the tab associated with this content has 4859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * been closed (i.e make it invisible, or remove it). 4869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void tabClosed(); 4889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * How to create a tab indicator that just has a label. 4929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private class LabelIndicatorStrategy implements IndicatorStrategy { 4949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private final CharSequence mLabel; 4969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private LabelIndicatorStrategy(CharSequence label) { 4989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLabel = label; 4999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public View createIndicatorView() { 5027609764295d1b3ec0b53d1ae536ee0280f5e0407Mike Cleron final Context context = getContext(); 5039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LayoutInflater inflater = 5047609764295d1b3ec0b53d1ae536ee0280f5e0407Mike Cleron (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE); 5059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project View tabIndicator = inflater.inflate(R.layout.tab_indicator, 5069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTabWidget, // tab widget is the parent 5079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project false); // no inflate params 5089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final TextView tv = (TextView) tabIndicator.findViewById(R.id.title); 5109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project tv.setText(mLabel); 5119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5127609764295d1b3ec0b53d1ae536ee0280f5e0407Mike Cleron if (context.getApplicationInfo().targetSdkVersion <= Build.VERSION_CODES.DONUT) { 5137609764295d1b3ec0b53d1ae536ee0280f5e0407Mike Cleron // Donut apps get old color scheme 5147609764295d1b3ec0b53d1ae536ee0280f5e0407Mike Cleron tabIndicator.setBackgroundResource(R.drawable.tab_indicator_v4); 5157609764295d1b3ec0b53d1ae536ee0280f5e0407Mike Cleron tv.setTextColor(context.getResources().getColorStateList(R.color.tab_indicator_text_v4)); 5167609764295d1b3ec0b53d1ae536ee0280f5e0407Mike Cleron } 5177609764295d1b3ec0b53d1ae536ee0280f5e0407Mike Cleron 5189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return tabIndicator; 5199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * How we create a tab indicator that has a label and an icon 5249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private class LabelAndIconIndicatorStrategy implements IndicatorStrategy { 5269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private final CharSequence mLabel; 5289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private final Drawable mIcon; 5299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private LabelAndIconIndicatorStrategy(CharSequence label, Drawable icon) { 5319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLabel = label; 5329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mIcon = icon; 5339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public View createIndicatorView() { 5367609764295d1b3ec0b53d1ae536ee0280f5e0407Mike Cleron final Context context = getContext(); 5379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LayoutInflater inflater = 5387609764295d1b3ec0b53d1ae536ee0280f5e0407Mike Cleron (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE); 5399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project View tabIndicator = inflater.inflate(R.layout.tab_indicator, 5409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTabWidget, // tab widget is the parent 5419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project false); // no inflate params 5429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final TextView tv = (TextView) tabIndicator.findViewById(R.id.title); 5449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project tv.setText(mLabel); 5459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final ImageView iconView = (ImageView) tabIndicator.findViewById(R.id.icon); 5479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project iconView.setImageDrawable(mIcon); 5489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5497609764295d1b3ec0b53d1ae536ee0280f5e0407Mike Cleron if (context.getApplicationInfo().targetSdkVersion <= Build.VERSION_CODES.DONUT) { 5507609764295d1b3ec0b53d1ae536ee0280f5e0407Mike Cleron // Donut apps get old color scheme 5517609764295d1b3ec0b53d1ae536ee0280f5e0407Mike Cleron tabIndicator.setBackgroundResource(R.drawable.tab_indicator_v4); 5527609764295d1b3ec0b53d1ae536ee0280f5e0407Mike Cleron tv.setTextColor(context.getResources().getColorStateList(R.color.tab_indicator_text_v4)); 5537609764295d1b3ec0b53d1ae536ee0280f5e0407Mike Cleron } 5547609764295d1b3ec0b53d1ae536ee0280f5e0407Mike Cleron 5559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return tabIndicator; 5569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 56053175148c9b962c0ffe9cea0f3dc68bc0196e044Jack Veenstra * How to create a tab indicator by specifying a view. 56153175148c9b962c0ffe9cea0f3dc68bc0196e044Jack Veenstra */ 56253175148c9b962c0ffe9cea0f3dc68bc0196e044Jack Veenstra private class ViewIndicatorStrategy implements IndicatorStrategy { 56353175148c9b962c0ffe9cea0f3dc68bc0196e044Jack Veenstra 56453175148c9b962c0ffe9cea0f3dc68bc0196e044Jack Veenstra private final View mView; 56553175148c9b962c0ffe9cea0f3dc68bc0196e044Jack Veenstra 56653175148c9b962c0ffe9cea0f3dc68bc0196e044Jack Veenstra private ViewIndicatorStrategy(View view) { 56753175148c9b962c0ffe9cea0f3dc68bc0196e044Jack Veenstra mView = view; 56853175148c9b962c0ffe9cea0f3dc68bc0196e044Jack Veenstra } 56953175148c9b962c0ffe9cea0f3dc68bc0196e044Jack Veenstra 57053175148c9b962c0ffe9cea0f3dc68bc0196e044Jack Veenstra public View createIndicatorView() { 57153175148c9b962c0ffe9cea0f3dc68bc0196e044Jack Veenstra return mView; 57253175148c9b962c0ffe9cea0f3dc68bc0196e044Jack Veenstra } 57353175148c9b962c0ffe9cea0f3dc68bc0196e044Jack Veenstra } 57453175148c9b962c0ffe9cea0f3dc68bc0196e044Jack Veenstra 57553175148c9b962c0ffe9cea0f3dc68bc0196e044Jack Veenstra /** 5769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * How to create the tab content via a view id. 5779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private class ViewIdContentStrategy implements ContentStrategy { 5799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private final View mView; 5819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private ViewIdContentStrategy(int viewId) { 5839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mView = mTabContent.findViewById(viewId); 5849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mView != null) { 5859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mView.setVisibility(View.GONE); 5869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 5879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new RuntimeException("Could not create tab content because " + 5889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "could not find view with id " + viewId); 5899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public View getContentView() { 5939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mView.setVisibility(View.VISIBLE); 5949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mView; 5959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void tabClosed() { 5989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mView.setVisibility(View.GONE); 5999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 6039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * How tab content is managed using {@link TabContentFactory}. 6049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private class FactoryContentStrategy implements ContentStrategy { 6069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private View mTabContent; 6079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private final CharSequence mTag; 6089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private TabContentFactory mFactory; 6099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public FactoryContentStrategy(CharSequence tag, TabContentFactory factory) { 6119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTag = tag; 6129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFactory = factory; 6139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public View getContentView() { 6169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mTabContent == null) { 6179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTabContent = mFactory.createTabContent(mTag.toString()); 6189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTabContent.setVisibility(View.VISIBLE); 6209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mTabContent; 6219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void tabClosed() { 6249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTabContent.setVisibility(View.INVISIBLE); 6259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 6299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * How tab content is managed via an {@link Intent}: the content view is the 6309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * decorview of the launched activity. 6319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private class IntentContentStrategy implements ContentStrategy { 6339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private final String mTag; 6359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private final Intent mIntent; 6369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private View mLaunchedView; 6389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private IntentContentStrategy(String tag, Intent intent) { 6409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTag = tag; 6419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mIntent = intent; 6429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public View getContentView() { 6459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mLocalActivityManager == null) { 6469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalStateException("Did you forget to call 'public void setup(LocalActivityManager activityGroup)'?"); 6479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final Window w = mLocalActivityManager.startActivity( 6499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTag, mIntent); 6509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View wd = w != null ? w.getDecorView() : null; 6519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mLaunchedView != wd && mLaunchedView != null) { 6529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mLaunchedView.getParent() != null) { 6539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTabContent.removeView(mLaunchedView); 6549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLaunchedView = wd; 6573730bb1cd59bcfa9f5cad8361997b84113ed5923Evan Millar 658982be3be054960fbf254f225b4aeaee0310e619fJack Veenstra // XXX Set FOCUS_AFTER_DESCENDANTS on embedded activities for now so they can get 6599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // focus if none of their children have it. They need focus to be able to 6609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // display menu items. 6619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // 6629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Replace this with something better when Bug 628886 is fixed... 6639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // 6649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mLaunchedView != null) { 6659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLaunchedView.setVisibility(View.VISIBLE); 6669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLaunchedView.setFocusableInTouchMode(true); 6679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ((ViewGroup) mLaunchedView).setDescendantFocusability( 6689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project FOCUS_AFTER_DESCENDANTS); 6699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mLaunchedView; 6719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void tabClosed() { 6749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mLaunchedView != null) { 6759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLaunchedView.setVisibility(View.GONE); 6769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 681