Tab（选项卡）界面

界面效果

package com.kaka.kkpy.activity;

import com.kaka.kkpy.activity.R;

import android.app.TabActivity; 
import android.content.Intent; 
import android.os.Bundle; 
import android.view.Window; 
import android.widget.CompoundButton; 
import android.widget.RadioButton; 
import android.widget.CompoundButton.OnCheckedChangeListener; 
import android.widget.TabHost; 
 
public class MainTabActivity extends TabActivity implements OnCheckedChangeListener{ 
     
    private TabHost mTabHost; 
    private Intent mAIntent; 
    private Intent mBIntent; 
    private Intent mCIntent; 
     
    /** Called when the activity is first created. */ 
    @Override 
    public void onCreate(Bundle savedInstanceState) { 
        super.onCreate(savedInstanceState); 
        requestWindowFeature(Window.FEATURE_NO_TITLE); 
        setContentView(R.layout.maintabs); 
         
        this.mAIntent = new Intent(this,CreateCardActivity.class); 
        this.mBIntent = new Intent(this,CaptureA.class); 
        //this.mCIntent = new Intent(this,CActivity.class); 
         
        ((RadioButton) findViewById(R.id.radio_button0)) 
        .setOnCheckedChangeListener(this); 
        ((RadioButton) findViewById(R.id.radio_button1)) 
        .setOnCheckedChangeListener(this); 
        ((RadioButton) findViewById(R.id.radio_button2)) 
        .setOnCheckedChangeListener(this); 
         
        setupIntent(); 
    } 
 
    @Override 
    public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) { 
        if(isChecked){ 
            switch (buttonView.getId()) { 
            case R.id.radio_button0: 
                this.mTabHost.setCurrentTabByTag("A_TAB"); 
                break; 
            case R.id.radio_button1: 
                this.mTabHost.setCurrentTabByTag("B_TAB"); 
                break; 
            case R.id.radio_button2: 
                this.mTabHost.setCurrentTabByTag("C_TAB"); 
                break; 
            } 
        } 
         
    } 
     
    private void setupIntent() { 
        this.mTabHost = getTabHost(); 
        TabHost localTabHost = this.mTabHost; 
 
        localTabHost.addTab(buildTabSpec("A_TAB", R.string.main_home, 
                R.drawable.icon, this.mAIntent)); 
 
        localTabHost.addTab(buildTabSpec("B_TAB", R.string.scan, 
                R.drawable.icon, this.mBIntent)); 
 
        localTabHost.addTab(buildTabSpec("C_TAB", 
                R.string.my, R.drawable.icon, 
                this.mCIntent)); 
 
    } 
     
    private TabHost.TabSpec buildTabSpec(String tag, int resLabel, int resIcon, 
            final Intent content) { 
        return this.mTabHost.newTabSpec(tag).setIndicator(getString(resLabel), 
                getResources().getDrawable(resIcon)).setContent(content); 
    } 
} 

layout代码

<?xml version="1.0" encoding="UTF-8"?> 
<TabHost android:id="@android:id/tabhost" android:layout_width="fill_parent" android:layout_height="fill_parent" 
  xmlns:android="http://schemas.android.com/apk/res/android"> 
    <LinearLayout 
    	android:orientation="vertical" 
    	android:layout_width="fill_parent" 
    	android:layout_height="fill_parent"> 
        <FrameLayout 
        	android:id="@android:id/tabcontent" 
        	android:layout_width="fill_parent" 
        	android:layout_height="0.0dip" 
        	android:layout_weight="1.0" /> 
	        <TabWidget 
	        	android:id="@android:id/tabs" 
	        	android:visibility="gone" 
	        	android:layout_width="fill_parent" 
	        	android:layout_height="wrap_content" 
	        	android:layout_weight="0.0" /> 
	            <RadioGroup  
	                android:gravity="center_vertical" 
	                android:layout_gravity="bottom" 
	                android:orientation="horizontal" 
	                android:id="@id/main_radio"  
	                android:layout_width="fill_parent" 
	                android:layout_height="wrap_content"> 
		                <RadioButton  
		                	android:id="@id/radio_button0" 
		                	android:layout_marginTop="2.0dip" 
		                	android:text="@string/main_home" 
		                	style="@style/main_tab_bottom" /> 
		                <RadioButton  
			                android:id="@id/radio_button1" 
			                android:layout_marginTop="2.0dip" 
			                android:text="@string/scan" 
			                style="@style/main_tab_bottom" /> 
		                <RadioButton  
		                	android:id="@id/radio_button2" 
		                	android:layout_marginTop="2.0dip" 
		                	android:text="@string/my" 
		                	style="@style/main_tab_bottom" /> 
	            </RadioGroup> 
    </LinearLayout> 
</TabHost> 

styles.xml

<?xml version="1.0" encoding="utf-8"?> 
<resources> 
 
     <style name="main_tab_bottom"> 
        <item name="android:textSize">@dimen/bottom_tab_font_size</item> 
        <item name="android:textColor">#ffffffff</item> 
        <item name="android:ellipsize">marquee</item> 
        <item name="android:gravity">center_horizontal</item> 
        <item name="android:background">@drawable/home_btn_bg</item> 
        <item name="android:paddingTop">@dimen/bottom_tab_padding_up</item> 
        <item name="android:paddingBottom">2.0dip</item> 
        <item name="android:layout_width">fill_parent</item> 
        <item name="android:layout_height">wrap_content</item>  
        <item name="android:layout_marginBottom">2.0dip</item> 
        <item name="android:button">@null</item> 
        <item name="android:singleLine">true</item> 
        <item name="android:drawablePadding">@dimen/bottom_tab_padding_drawable</item> 
        <item name="android:layout_weight">1.0</item> 
    </style> 
 
</resources>

<?xml version="1.0" encoding="UTF-8"?> 
<selector 
  xmlns:android="http://schemas.android.com/apk/res/android"> 
    <item android:state_focused="true" android:state_enabled="true" android:state_pressed="false" android:drawable="@drawable/icon" /> 
    <item android:state_enabled="true" android:state_pressed="true" android:drawable="@drawable/icon" /> 
    <item android:state_enabled="true" android:state_checked="true" android:drawable="@drawable/icon" /> 
    <item android:drawable="@drawable/icon" /> 
</selector>