使用Tab的步骤:
1、在布局文件中使用FrameLayout列出Tab组件及Tab中的内容组件。
2、Activity要继承TabActivity。
3、调用TabActivity的getTabHost()方法获得TabHost对象。
4、通过TabHost创建Tab选项。
/Chapter04_UI_Tab01/src/com/amaker/test/MainActivity.java
- 代码
- package com.amaker.test;
- import android.app.TabActivity;
- import android.os.Bundle;
- import android.view.LayoutInflater;
- import android.view.Window;
- import android.view.WindowManager;
- import android.widget.TabHost;
- import android.widget.Toast;
- import android.widget.TabHost.OnTabChangeListener;
- public class MainActivity extends TabActivity {
- @Override
- public void onCreate(Bundle savedInstanceState) {
- super.onCreate(savedInstanceState);
- /* requestWindowFeature(Window.FEATURE_NO_TITLE);
- getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,
- WindowManager.LayoutParams.FLAG_FULLSCREEN);*/
- TabHost th = getTabHost();
- LayoutInflater.from(this).inflate(R.layout.main, th.getTabContentView(), true);
- th.addTab(th.newTabSpec("all").setIndicator("所有通话记录").setContent(R.id.TextView01));
- th.addTab(th.newTabSpec("ok").setIndicator("已接来电").setContent(R.id.TextView02));
- th.addTab(th.newTabSpec("cancel").setIndicator("未接来电").setContent(R.id.TextView03));
- th.setOnTabChangedListener(
- new OnTabChangeListener() {
- @Override
- public void onTabChanged(String tabId) {
- Toast.makeText(MainActivity.this, tabId, Toast.LENGTH_LONG).show();
- }
- }
- );
- }
- }
/Chapter04_UI_Tab01/res/layout/main.xml
- 代码
- <?xml version="1.0" encoding="utf-8"?>
- <FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
- android:id="@+id/FrameLayout01"
- android:layout_width="wrap_content"
- android:layout_height="wrap_content">
- <TextView
- android:id="@+id/TextView01"
- android:layout_width="wrap_content"
- android:layout_height="wrap_content"
- android:text="所有通话记录"></TextView>
- <TextView
- android:id="@+id/TextView02"
- android:layout_width="wrap_content"
- android:layout_height="wrap_content"
- android:text="已接来电"></TextView>
- <TextView
- android:id="@+id/TextView03"
- android:layout_width="wrap_content"
- android:layout_height="wrap_content"
- android:text="未接来电"></TextView>
- </FrameLayout>
通过实现一个接口TabHost.TabContentFactory的createTabContent方法来制定Tab的内容
/Chapter04_UI_Tab02/src/com/amaker/test/MainActivity.java
- 代码
- package com.amaker.test;
- import java.util.ArrayList;
- import java.util.List;
- import android.app.TabActivity;
- import android.os.Bundle;
- import android.view.View;
- import android.widget.ArrayAdapter;
- import android.widget.ListView;
- import android.widget.TabHost;
- public class MainActivity extends TabActivity implements
- TabHost.TabContentFactory {
- /** Called when the activity is first created. */
- @Override
- public void onCreate(Bundle savedInstanceState) {
- super.onCreate(savedInstanceState);
- TabHost th = getTabHost();
- th.addTab(th.newTabSpec("all").setIndicator("所有通话记录").setContent(this));
- th.addTab(th.newTabSpec("ok").setIndicator("已接来电").setContent(this));
- th
- .addTab(th.newTabSpec("cancel").setIndicator("未接来电")
- .setContent(this));
- }
- public View createTabContent(String tag) {
- ListView lv = new ListView(this);
- List<String> list = new ArrayList<String>();
- list.add(tag);
- if(tag.equals("all")){
- list.add("tom");
- list.add("kite");
- list.add("rose");
- }else if(tag.equals("ok")){
- list.add("tom");
- list.add("kite");
- }else{
- list.add("rose");
- }
- ArrayAdapter adapter = new ArrayAdapter(this,
- android.R.layout.simple_list_item_checked, list);
- lv.setAdapter(adapter);
- return lv;
- }
- }
/Chapter04_UI_Tab02/res/layout/main.xml
- 代码
- <?xml version="1.0" encoding="utf-8"?>
- <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
- android:orientation="vertical"
- android:layout_width="fill_parent"
- android:layout_height="fill_parent"
- >
- <TextView
- android:layout_width="fill_parent"
- android:layout_height="wrap_content"
- android:text="@string/hello"
- />
- </LinearLayout>
本文转自linzheng 51CTO博客,原文链接:http://blog.51cto.com/linzheng/1080696