TabHost.java revision 980a938c1c9a6a5791a8240e5a1e6638ab28dc77
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) 282acdef59d66094f11da4a6f57194747dc06f73da2Bjorn Bringert && (mCurrentView != null) 2839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project && (mCurrentView.isRootNamespace()) 2849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project && (mCurrentView.hasFocus()) 2859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project && (mCurrentView.findFocus().focusSearch(View.FOCUS_UP) == null)) { 28653175148c9b962c0ffe9cea0f3dc68bc0196e044Jack Veenstra mTabWidget.getChildTabViewAt(mCurrentTab).requestFocus(); 2879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project playSoundEffect(SoundEffectConstants.NAVIGATION_UP); 2889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 2899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2903730bb1cd59bcfa9f5cad8361997b84113ed5923Evan Millar return handled; 2919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 2959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void dispatchWindowFocusChanged(boolean hasFocus) { 296acdef59d66094f11da4a6f57194747dc06f73da2Bjorn Bringert if (mCurrentView != null){ 297acdef59d66094f11da4a6f57194747dc06f73da2Bjorn Bringert mCurrentView.dispatchWindowFocusChanged(hasFocus); 298acdef59d66094f11da4a6f57194747dc06f73da2Bjorn Bringert } 2999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setCurrentTab(int index) { 3029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (index < 0 || index >= mTabSpecs.size()) { 3039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 3049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (index == mCurrentTab) { 3079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 3089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // notify old tab content 3119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mCurrentTab != -1) { 3129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTabSpecs.get(mCurrentTab).mContentStrategy.tabClosed(); 3139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCurrentTab = index; 3169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final TabHost.TabSpec spec = mTabSpecs.get(index); 3179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Call the tab widget's focusCurrentTab(), instead of just 3199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // selecting the tab. 3209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTabWidget.focusCurrentTab(mCurrentTab); 3213730bb1cd59bcfa9f5cad8361997b84113ed5923Evan Millar 3229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // tab content 3239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCurrentView = spec.mContentStrategy.getContentView(); 3249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mCurrentView.getParent() == null) { 3269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTabContent 3279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project .addView( 3289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCurrentView, 3299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project new ViewGroup.LayoutParams( 330980a938c1c9a6a5791a8240e5a1e6638ab28dc77Romain Guy ViewGroup.LayoutParams.MATCH_PARENT, 331980a938c1c9a6a5791a8240e5a1e6638ab28dc77Romain Guy ViewGroup.LayoutParams.MATCH_PARENT)); 3329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!mTabWidget.hasFocus()) { 3359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // if the tab widget didn't take focus (likely because we're in touch mode) 3369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // give the current tab content view a shot 3379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCurrentView.requestFocus(); 3389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //mTabContent.requestFocus(View.FOCUS_FORWARD); 3419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project invokeOnTabChangeListener(); 3429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Register a callback to be invoked when the selected state of any of the items 3469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * in this list changes 3479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param l 3489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The callback that will run 3499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setOnTabChangedListener(OnTabChangeListener l) { 3519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mOnTabChangeListener = l; 3529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void invokeOnTabChangeListener() { 3559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mOnTabChangeListener != null) { 3569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mOnTabChangeListener.onTabChanged(getCurrentTabTag()); 3579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Interface definition for a callback to be invoked when tab changed 3629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public interface OnTabChangeListener { 3649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void onTabChanged(String tabId); 3659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Makes the content of a tab when it is selected. Use this if your tab 3709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * content needs to be created on demand, i.e. you are not showing an 3719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * existing view or starting an activity. 3729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public interface TabContentFactory { 3749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Callback to make the tab contents 3763730bb1cd59bcfa9f5cad8361997b84113ed5923Evan Millar * 3779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param tag 3789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Which tab was selected. 379982be3be054960fbf254f225b4aeaee0310e619fJack Veenstra * @return The view to display the contents of the selected tab. 3809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project View createTabContent(String tag); 3829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 386982be3be054960fbf254f225b4aeaee0310e619fJack Veenstra * A tab has a tab indicator, content, and a tag that is used to keep 3879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * track of it. This builder helps choose among these options. 3889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 3899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * For the tab indicator, your choices are: 3909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 1) set a label 3919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 2) set a label and an icon 3929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 3939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * For the tab content, your choices are: 3949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 1) the id of a {@link View} 3959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 2) a {@link TabContentFactory} that creates the {@link View} content. 3969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 3) an {@link Intent} that launches an {@link android.app.Activity}. 3979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public class TabSpec { 3999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private String mTag; 4019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private IndicatorStrategy mIndicatorStrategy; 4039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private ContentStrategy mContentStrategy; 4049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private TabSpec(String tag) { 4069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTag = tag; 4079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Specify a label as the tab indicator. 4119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public TabSpec setIndicator(CharSequence label) { 4139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mIndicatorStrategy = new LabelIndicatorStrategy(label); 4149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return this; 4159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Specify a label and icon as the tab indicator. 4199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public TabSpec setIndicator(CharSequence label, Drawable icon) { 4219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mIndicatorStrategy = new LabelAndIconIndicatorStrategy(label, icon); 4229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return this; 4239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 42653175148c9b962c0ffe9cea0f3dc68bc0196e044Jack Veenstra * Specify a view as the tab indicator. 42753175148c9b962c0ffe9cea0f3dc68bc0196e044Jack Veenstra */ 42853175148c9b962c0ffe9cea0f3dc68bc0196e044Jack Veenstra public TabSpec setIndicator(View view) { 42953175148c9b962c0ffe9cea0f3dc68bc0196e044Jack Veenstra mIndicatorStrategy = new ViewIndicatorStrategy(view); 43053175148c9b962c0ffe9cea0f3dc68bc0196e044Jack Veenstra return this; 43153175148c9b962c0ffe9cea0f3dc68bc0196e044Jack Veenstra } 43253175148c9b962c0ffe9cea0f3dc68bc0196e044Jack Veenstra 43353175148c9b962c0ffe9cea0f3dc68bc0196e044Jack Veenstra /** 4349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Specify the id of the view that should be used as the content 4359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * of the tab. 4369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public TabSpec setContent(int viewId) { 4389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mContentStrategy = new ViewIdContentStrategy(viewId); 4399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return this; 4409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Specify a {@link android.widget.TabHost.TabContentFactory} to use to 4449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * create the content of the tab. 4459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public TabSpec setContent(TabContentFactory contentFactory) { 4479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mContentStrategy = new FactoryContentStrategy(mTag, contentFactory); 4489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return this; 4499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Specify an intent to use to launch an activity as the tab content. 4539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public TabSpec setContent(Intent intent) { 4559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mContentStrategy = new IntentContentStrategy(mTag, intent); 4569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return this; 4579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 46053175148c9b962c0ffe9cea0f3dc68bc0196e044Jack Veenstra public String getTag() { 4619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mTag; 4629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Specifies what you do to create a tab indicator. 4679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static interface IndicatorStrategy { 4699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Return the view for the indicator. 4729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project View createIndicatorView(); 4749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Specifies what you do to manage the tab content. 4789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static interface ContentStrategy { 4809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Return the content view. The view should may be cached locally. 4839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project View getContentView(); 4859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Perhaps do something when the tab associated with this content has 4889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * been closed (i.e make it invisible, or remove it). 4899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void tabClosed(); 4919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * How to create a tab indicator that just has a label. 4959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private class LabelIndicatorStrategy implements IndicatorStrategy { 4979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private final CharSequence mLabel; 4999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private LabelIndicatorStrategy(CharSequence label) { 5019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLabel = label; 5029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public View createIndicatorView() { 5057609764295d1b3ec0b53d1ae536ee0280f5e0407Mike Cleron final Context context = getContext(); 5069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LayoutInflater inflater = 5077609764295d1b3ec0b53d1ae536ee0280f5e0407Mike Cleron (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE); 5089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project View tabIndicator = inflater.inflate(R.layout.tab_indicator, 5099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTabWidget, // tab widget is the parent 5109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project false); // no inflate params 5119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final TextView tv = (TextView) tabIndicator.findViewById(R.id.title); 5139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project tv.setText(mLabel); 5149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5157609764295d1b3ec0b53d1ae536ee0280f5e0407Mike Cleron if (context.getApplicationInfo().targetSdkVersion <= Build.VERSION_CODES.DONUT) { 5167609764295d1b3ec0b53d1ae536ee0280f5e0407Mike Cleron // Donut apps get old color scheme 5177609764295d1b3ec0b53d1ae536ee0280f5e0407Mike Cleron tabIndicator.setBackgroundResource(R.drawable.tab_indicator_v4); 5187609764295d1b3ec0b53d1ae536ee0280f5e0407Mike Cleron tv.setTextColor(context.getResources().getColorStateList(R.color.tab_indicator_text_v4)); 5197609764295d1b3ec0b53d1ae536ee0280f5e0407Mike Cleron } 5207609764295d1b3ec0b53d1ae536ee0280f5e0407Mike Cleron 5219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return tabIndicator; 5229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * How we create a tab indicator that has a label and an icon 5279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private class LabelAndIconIndicatorStrategy implements IndicatorStrategy { 5299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private final CharSequence mLabel; 5319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private final Drawable mIcon; 5329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private LabelAndIconIndicatorStrategy(CharSequence label, Drawable icon) { 5349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLabel = label; 5359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mIcon = icon; 5369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public View createIndicatorView() { 5397609764295d1b3ec0b53d1ae536ee0280f5e0407Mike Cleron final Context context = getContext(); 5409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LayoutInflater inflater = 5417609764295d1b3ec0b53d1ae536ee0280f5e0407Mike Cleron (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE); 5429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project View tabIndicator = inflater.inflate(R.layout.tab_indicator, 5439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTabWidget, // tab widget is the parent 5449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project false); // no inflate params 5459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final TextView tv = (TextView) tabIndicator.findViewById(R.id.title); 5479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project tv.setText(mLabel); 5489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final ImageView iconView = (ImageView) tabIndicator.findViewById(R.id.icon); 5509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project iconView.setImageDrawable(mIcon); 5519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5527609764295d1b3ec0b53d1ae536ee0280f5e0407Mike Cleron if (context.getApplicationInfo().targetSdkVersion <= Build.VERSION_CODES.DONUT) { 5537609764295d1b3ec0b53d1ae536ee0280f5e0407Mike Cleron // Donut apps get old color scheme 5547609764295d1b3ec0b53d1ae536ee0280f5e0407Mike Cleron tabIndicator.setBackgroundResource(R.drawable.tab_indicator_v4); 5557609764295d1b3ec0b53d1ae536ee0280f5e0407Mike Cleron tv.setTextColor(context.getResources().getColorStateList(R.color.tab_indicator_text_v4)); 5567609764295d1b3ec0b53d1ae536ee0280f5e0407Mike Cleron } 5577609764295d1b3ec0b53d1ae536ee0280f5e0407Mike Cleron 5589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return tabIndicator; 5599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 56353175148c9b962c0ffe9cea0f3dc68bc0196e044Jack Veenstra * How to create a tab indicator by specifying a view. 56453175148c9b962c0ffe9cea0f3dc68bc0196e044Jack Veenstra */ 56553175148c9b962c0ffe9cea0f3dc68bc0196e044Jack Veenstra private class ViewIndicatorStrategy implements IndicatorStrategy { 56653175148c9b962c0ffe9cea0f3dc68bc0196e044Jack Veenstra 56753175148c9b962c0ffe9cea0f3dc68bc0196e044Jack Veenstra private final View mView; 56853175148c9b962c0ffe9cea0f3dc68bc0196e044Jack Veenstra 56953175148c9b962c0ffe9cea0f3dc68bc0196e044Jack Veenstra private ViewIndicatorStrategy(View view) { 57053175148c9b962c0ffe9cea0f3dc68bc0196e044Jack Veenstra mView = view; 57153175148c9b962c0ffe9cea0f3dc68bc0196e044Jack Veenstra } 57253175148c9b962c0ffe9cea0f3dc68bc0196e044Jack Veenstra 57353175148c9b962c0ffe9cea0f3dc68bc0196e044Jack Veenstra public View createIndicatorView() { 57453175148c9b962c0ffe9cea0f3dc68bc0196e044Jack Veenstra return mView; 57553175148c9b962c0ffe9cea0f3dc68bc0196e044Jack Veenstra } 57653175148c9b962c0ffe9cea0f3dc68bc0196e044Jack Veenstra } 57753175148c9b962c0ffe9cea0f3dc68bc0196e044Jack Veenstra 57853175148c9b962c0ffe9cea0f3dc68bc0196e044Jack Veenstra /** 5799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * How to create the tab content via a view id. 5809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private class ViewIdContentStrategy implements ContentStrategy { 5829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private final View mView; 5849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private ViewIdContentStrategy(int viewId) { 5869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mView = mTabContent.findViewById(viewId); 5879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mView != null) { 5889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mView.setVisibility(View.GONE); 5899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 5909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new RuntimeException("Could not create tab content because " + 5919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "could not find view with id " + viewId); 5929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public View getContentView() { 5969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mView.setVisibility(View.VISIBLE); 5979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mView; 5989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void tabClosed() { 6019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mView.setVisibility(View.GONE); 6029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 6069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * How tab content is managed using {@link TabContentFactory}. 6079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private class FactoryContentStrategy implements ContentStrategy { 6099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private View mTabContent; 6109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private final CharSequence mTag; 6119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private TabContentFactory mFactory; 6129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public FactoryContentStrategy(CharSequence tag, TabContentFactory factory) { 6149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTag = tag; 6159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFactory = factory; 6169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public View getContentView() { 6199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mTabContent == null) { 6209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTabContent = mFactory.createTabContent(mTag.toString()); 6219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTabContent.setVisibility(View.VISIBLE); 6239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mTabContent; 6249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void tabClosed() { 6279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTabContent.setVisibility(View.INVISIBLE); 6289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 6329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * How tab content is managed via an {@link Intent}: the content view is the 6339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * decorview of the launched activity. 6349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private class IntentContentStrategy implements ContentStrategy { 6369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private final String mTag; 6389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private final Intent mIntent; 6399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private View mLaunchedView; 6419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private IntentContentStrategy(String tag, Intent intent) { 6439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTag = tag; 6449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mIntent = intent; 6459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public View getContentView() { 6489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mLocalActivityManager == null) { 6499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalStateException("Did you forget to call 'public void setup(LocalActivityManager activityGroup)'?"); 6509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final Window w = mLocalActivityManager.startActivity( 6529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTag, mIntent); 6539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final View wd = w != null ? w.getDecorView() : null; 6549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mLaunchedView != wd && mLaunchedView != null) { 6559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mLaunchedView.getParent() != null) { 6569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTabContent.removeView(mLaunchedView); 6579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLaunchedView = wd; 6603730bb1cd59bcfa9f5cad8361997b84113ed5923Evan Millar 661982be3be054960fbf254f225b4aeaee0310e619fJack Veenstra // XXX Set FOCUS_AFTER_DESCENDANTS on embedded activities for now so they can get 6629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // focus if none of their children have it. They need focus to be able to 6639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // display menu items. 6649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // 6659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Replace this with something better when Bug 628886 is fixed... 6669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // 6679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mLaunchedView != null) { 6689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLaunchedView.setVisibility(View.VISIBLE); 6699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLaunchedView.setFocusableInTouchMode(true); 6709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ((ViewGroup) mLaunchedView).setDescendantFocusability( 6719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project FOCUS_AFTER_DESCENDANTS); 6729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mLaunchedView; 6749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void tabClosed() { 6779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mLaunchedView != null) { 6789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLaunchedView.setVisibility(View.GONE); 6799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 684