1 package com.api;  2   3 import android.app.TabActivity;  4 import android.content.Intent;  5 import android.os.Bundle;  6 import android.view.LayoutInflater;  7 import android.view.View;  8 import android.widget.LinearLayout;  9 import android.widget.TabHost; 10 import android.widget.TabHost.OnTabChangeListener; 11 import android.widget.TabHost.TabSpec; 12 import android.widget.TabWidget; 13 import android.widget.TextView; 14  15 public abstract class TabHostActivity extends TabActivity { 16  17     private TabHost mTabHost; 18     private TabWidget mTabWidget; 19     private LayoutInflater mLayoutflater; 20  21     @Override 22     protected void onCreate(Bundle savedInstanceState) { 23         super.onCreate(savedInstanceState); 24         // set theme because we do not want the shadow 25         setTheme(R.style.Theme_Tabhost); 26         setContentView(R.layout.api_tab_host); 27          28         mLayoutflater = getLayoutInflater(); 29  30         mTabHost = getTabHost(); 31         mTabWidget = getTabWidget(); 32         //mTabWidget.setStripEnabled(false);    // need android2.2 33          34         prepare(); 35  36         initTop(); 37         initTabSpec(); 38     } 39      40     private void initTop() { 41         View child = getTop(); 42         LinearLayout layout = (LinearLayout) findViewById(R.id.tab_top); 43         layout.addView(child); 44     } 45  46     private void initTabSpec() { 47  48         int count = getTabItemCount(); 49  50         for (int i = 0; i < count; i++) { 51             // set text view 52             View tabItem = mLayoutflater.inflate(R.layout.api_tab_item, null); 53              54             TextView tvTabItem = (TextView) tabItem.findViewById(R.id.tab_item_tv); 55             setTabItemTextView(tvTabItem, i); 56             // set id 57             String tabItemId = getTabItemId(i); 58             // set tab spec 59             TabSpec tabSpec = mTabHost.newTabSpec(tabItemId); 60             tabSpec.setIndicator(tabItem); 61             tabSpec.setContent(getTabItemIntent(i)); 62              63             mTabHost.addTab(tabSpec); 64         } 65          66          67      68     } 69      70      71      72  73      74      75  76     /** 在初始化界面之前调用 */ 77     protected void prepare() { 78         // do nothing or you override it 79     } 80  81     /** 自定义头部布局 */ 82     protected View getTop() { 83         // do nothing or you override it 84         return null; 85     } 86      87     protected int getTabCount() { 88         return mTabHost.getTabWidget().getTabCount(); 89     } 90  91     /** 设置TabItem的图标和标题等*/ 92     abstract protected void setTabItemTextView(TextView textView, int position); 93  94     abstract protected String getTabItemId(int position); 95      96     abstract protected Intent getTabItemIntent(int position); 97  98     abstract protected int getTabItemCount(); 99     100     protected void setCurrentTab(int index) {101         mTabHost.setCurrentTab(index);102     }103     104     protected void focusCurrentTab(int index) {105         mTabWidget.focusCurrentTab(index);106     }107 108 }

 1 package com.api.example.app; 2  3 import android.content.Intent; 4  5 public class TabItem { 6     private String title;        // tab item title 7     private int icon;            // tab item icon 8     private int bg;            // tab item background 9     private Intent intent;    // tab item intent10     11     public TabItem(String title, int icon, int bg, Intent intent) {12         super();13         this.title = title;14         this.icon = icon;15         this.bg = bg;16         this.intent = intent;17     }18 19     public String getTitle() {20         return title;21     }22 23     public void setTitle(String title) {24         this.title = title;25     }26 27     public int getIcon() {28         return icon;29     }30 31     public void setIcon(int icon) {32         this.icon = icon;33     }34 35     public int getBg() {36         return bg;37     }38 39     public void setBg(int bg) {40         this.bg = bg;41     }42 43     public Intent getIntent() {44         return intent;45     }46 47     public void setIntent(Intent intent) {48         this.intent = intent;49     }50 }

  1 package com.api.example.app;  2   3 import java.util.ArrayList;  4 import java.util.List;  5   6 import android.content.Intent;  7 import android.os.Bundle;  8 import android.view.LayoutInflater;  9 import android.view.View; 10 import android.widget.TabWidget; 11 import android.widget.TextView; 12  13 import com.api.R; 14 import com.api.TabHostActivity; 15  16 /** 17  * <p>整个流程就像使用ListView自定BaseAdapter一样</p> 18  *  19  * <p>如果要自定义TabHostActivity的Theme，并且不想要头部阴影 20  * 一定要添加这个android:windowContentOverlay = null</p> 21  *  22  * <p>如果想在别的项目里面使用TabHostActivity 23  * 可以项目的属性里面找到Android，然后在Library部分添加这个项目(Api) 24  * <a href="http://www.mamicode.com/http://www.cnblogs.com/qianxudetianxia/archive/2011/05/01/2030232.html">如何添加</a></p> 25  * */ 26 public class ExampleActivity extends TabHostActivity { 27  28     List<TabItem> mItems; 29     private LayoutInflater mLayoutInflater; 30      31     /**在初始化TabWidget前调用 32      * 和TabWidget有关的必须在这里初始化*/ 33     @Override 34     protected void prepare() { 35         TabItem home = new TabItem( 36                 "首页",                                    // title 37                 R.drawable.icon_home,                    // icon 38                 R.drawable.example_tab_item_bg,            // background 39                 new Intent(this, Tab1Activity.class));    // intent 40          41         TabItem info = new TabItem( 42                 "资料", 43                 R.drawable.icon_selfinfo, 44                 R.drawable.example_tab_item_bg, 45                 new Intent(this, Tab2Activity.class)); 46          47         TabItem msg = new TabItem( 48                 "信息", 49                 R.drawable.icon_meassage, 50                 R.drawable.example_tab_item_bg, 51                 new Intent(this, Tab3Activity.class)); 52          53         TabItem square = new TabItem( 54                 "广场", 55                 R.drawable.icon_square, 56                 R.drawable.example_tab_item_bg, 57                 new Intent(this, Tab4Activity.class)); 58          59         TabItem more = new TabItem( 60                 "更多", 61                 R.drawable.icon_more, 62                 R.drawable.example_tab_item_bg, 63                 new Intent(this, Tab5Activity.class)); 64          65         mItems = new ArrayList<TabItem>(); 66         mItems.add(home); 67         mItems.add(info); 68         mItems.add(msg); 69         mItems.add(square); 70         mItems.add(more); 71  72         // 设置分割线 73         TabWidget tabWidget = getTabWidget(); 74         tabWidget.setDividerDrawable(R.drawable.tab_divider); 75          76         mLayoutInflater = getLayoutInflater(); 77     } 78      79     @Override 80     protected void onCreate(Bundle savedInstanceState) { 81         super.onCreate(savedInstanceState); 82         setCurrentTab(0); 83     } 84      85     /**tab的title，icon，边距设定等等*/ 86     @Override 87     protected void setTabItemTextView(TextView textView, int position) { 88         textView.setPadding(3, 3, 3, 3); 89         textView.setText(mItems.get(position).getTitle()); 90         textView.setBackgroundResource(mItems.get(position).getBg()); 91         textView.setCompoundDrawablesWithIntrinsicBounds(0, mItems.get(position).getIcon(), 0, 0); 92          93     } 94      95     /**tab唯一的id*/ 96     @Override 97     protected String getTabItemId(int position) { 98         return mItems.get(position).getTitle();    // 我们使用title来作为id，你也可以自定 99     }100 101     /**点击tab时触发的事件*/102     @Override103     protected Intent getTabItemIntent(int position) {104         return mItems.get(position).getIntent();105     }106 107     @Override108     protected int getTabItemCount() {109         return mItems.size();110     }111     112     /**自定义头部文件*/113     @Override114     protected View getTop() {115         return mLayoutInflater.inflate(R.layout.example_top, null);116     }117 118 }