Activity:

package com.tabtest;import android.app.Activity;import android.graphics.Color;import android.os.Bundle;import android.util.Log;import android.widget.TabHost;import android.widget.TabWidget;import android.widget.TextView;public class TabTestActivity extends Activity {	/** Called when the activity is first created. */	@Override	public void onCreate(Bundle savedInstanceState) {		super.onCreate(savedInstanceState);		setContentView(R.layout.main);		TabHost tabHost = (TabHost) findViewById(R.id.tabhost);		tabHost.setup();				tabHost.addTab(tabHost				.newTabSpec("tab1")				.setIndicator("tab1",						getResources().getDrawable(R.drawable.icon))				.setContent(R.id.view1));		tabHost.addTab(tabHost.newTabSpec("tab2").setIndicator("tab2", null)				.setContent(R.id.view2));		tabHost.addTab(tabHost				.newTabSpec("tab3")				.setIndicator("tab3",						getResources().getDrawable(R.drawable.icon))				.setContent(R.id.view3));				/*设置TabWidget*/		TabWidget tabWidget = tabHost.getTabWidget();		for (int i = 0; i < tabWidget.getChildCount(); i++) {			Log.d("log",String.valueOf(i));			tabWidget.setBackgroundColor(Color.LTGRAY);			tabWidget.getChildAt(i).getLayoutParams().height = 30;// 设置tab的高度			TextView tv = (TextView) tabWidget.getChildAt(i).findViewById(					android.R.id.title);			tv.setTextColor(Color.rgb(255, 0, 0));// 设置tab内字体的颜色		}	}}

　　XML文件：