选项卡片段

主界面的XML

<TabHost xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:id="@android:id/tabhost"
    android:layout_width="match_parent"
    android:layout_height="match_parent" >

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:orientation="vertical" >

        <FrameLayout
            android:id="@android:id/tabcontent"
            android:layout_width="match_parent"
            android:layout_height="0dp"
            android:layout_weight="1" >
        </FrameLayout>

        <TabWidget
            android:id="@android:id/tabs"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_weight="0"
            android:visibility="gone" >
        </TabWidget>

        <LinearLayout
            android:layout_width="match_parent"
            android:layout_height="60dp" >

            <RelativeLayout
                android:layout_width="match_parent"
                android:layout_height="match_parent"
                android:layout_weight="1"
                android:background="@drawable/tab_texture" 
                android:id="@+id/rl_Cy">

                <RadioButton
                    android:id="@+id/rBtn_Cy"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:layout_centerInParent="true"
                    android:background="@null"
                    android:button="@null"
                    android:drawableTop="@drawable/cy_selector"
                    android:gravity="center"
                    android:text="@string/str_cy"
                    android:textColor="@drawable/txtcol_selector"
                    android:textSize="13sp" />
            </RelativeLayout>

            <RelativeLayout
                android:layout_width="match_parent"
                android:layout_height="match_parent"
                android:layout_weight="1"
                android:background="@drawable/tab_texture" 
                android:id="@+id/rl_Aq">

                <RadioButton
                    android:id="@+id/rBtn_Aq"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:layout_centerInParent="true"
                    android:background="@null"
                    android:button="@null"
                    android:drawableTop="@drawable/aq_selector"
                    android:gravity="center"
                    android:text="@string/str_aq"
                    android:textColor="@drawable/txtcol_selector"
                    android:textSize="13sp" />


            </RelativeLayout>

            <RelativeLayout
                android:layout_width="match_parent"
                android:layout_height="match_parent"
                android:layout_weight="1"
                android:background="@drawable/tab_texture" 
                android:id="@+id/rl_Ys">

                <RadioButton
                    android:id="@+id/rBtn_Ys"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:layout_centerInParent="true"
                    android:background="@null"
                    android:button="@null"
                    android:drawableTop="@drawable/ys_selector"
                    android:gravity="center"
                    android:text="@string/str_ys"
                    android:textColor="@drawable/txtcol_selector"
                    android:textSize="13sp" />
            </RelativeLayout>

            
        </LinearLayout>
    </LinearLayout>

</TabHost>

主界面，Java代码

package com.example.test_x360;

import android.os.Bundle;
import android.app.TabActivity;
import android.content.Intent;
import android.widget.CompoundButton;
import android.widget.RadioButton;
import android.widget.RelativeLayout;
import android.widget.TabHost;
import android.widget.CompoundButton.OnCheckedChangeListener;

public class MainActivity extends TabActivity implements
OnCheckedChangeListener {
private RelativeLayout rl_Cy;
private RelativeLayout rl_Aq;
private RelativeLayout rl_Ys;

private RadioButton rBtn_Cy;
private RadioButton rBtn_Aq;
private RadioButton rBtn_Ys;

// 定义标签名
private static final String TAB_TAG_CY = "cyTag";
private static final String TAB_TAG_AQ = "aqTag";
private static final String TAB_TAG_YS = "ysTag";


private TabHost mHost;
private Intent cyIntent;
private Intent aqIntent;
private Intent ysIntent;


@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
initView();
setContent();
setTabs();
}

private void initView() {
rl_Cy = (RelativeLayout) findViewById(R.id.rl_Cy);
rl_Aq = (RelativeLayout) findViewById(R.id.rl_Aq);
rl_Ys = (RelativeLayout) findViewById(R.id.rl_Ys);

rBtn_Cy = (RadioButton) findViewById(R.id.rBtn_Cy);
rBtn_Aq = (RadioButton) findViewById(R.id.rBtn_Aq);
rBtn_Ys = (RadioButton) findViewById(R.id.rBtn_Ys);

rBtn_Cy.setOnCheckedChangeListener(this);
rBtn_Aq.setOnCheckedChangeListener(this);
rBtn_Ys.setOnCheckedChangeListener(this);
}

/**设置标签对应内容*/
private void setContent() {
cyIntent = new Intent(MainActivity.this, CyActivity.class);
aqIntent = new Intent(MainActivity.this, AqActivity.class);
ysIntent = new Intent(MainActivity.this, YsActivity.class);

}

private void setTabs() {
// 获取TabHost对象
mHost = getTabHost();
// 添加TabSpec
mHost.addTab(mHost.newTabSpec(TAB_TAG_CY).setContent(cyIntent)
		.setIndicator(""));
mHost.addTab(mHost.newTabSpec(TAB_TAG_AQ).setContent(aqIntent)
		.setIndicator(""));
mHost.addTab(mHost.newTabSpec(TAB_TAG_YS).setContent(ysIntent)
		.setIndicator(""));

// 设置默认显示标签
mHost.setCurrentTabByTag(TAB_TAG_CY);
// 设置默认选中按钮
rBtn_Cy.setChecked(true);
}

@Override
public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
switch (buttonView.getId()) {
case R.id.rBtn_Cy:
	if (isChecked) {
		//显示当前点击项对应的标签内容
		mHost.setCurrentTabByTag(TAB_TAG_CY);
		//其余的RadioButton选中状态清除
		rBtn_Aq.setChecked(false);
		rBtn_Ys.setChecked(false);
		rl_Cy.setBackgroundResource(R.drawable.tab_pressed);
	} else {
		rl_Cy.setBackgroundResource(R.drawable.tab_texture);
	}
	break;
case R.id.rBtn_Aq:
	if (isChecked) {
		mHost.setCurrentTabByTag(TAB_TAG_AQ);
		rBtn_Cy.setChecked(false);
		rBtn_Ys.setChecked(false);
		rl_Aq.setBackgroundResource(R.drawable.tab_pressed);
	} else {
		rl_Aq.setBackgroundResource(R.drawable.tab_texture);
	}
	break;
case R.id.rBtn_Ys:
	if (isChecked) {
		mHost.setCurrentTabByTag(TAB_TAG_YS);
		rBtn_Aq.setChecked(false);
		rBtn_Cy.setChecked(false);
		rl_Ys.setBackgroundResource(R.drawable.tab_pressed);
	} else {
		rl_Ys.setBackgroundResource(R.drawable.tab_texture);
	}
	break;
}
}
}