Fragment+TabHost模仿新浪新闻布局界面_

package com.yangyu.mycustomtab02;

import android.os.Bundle;
import android.support.v4.app.FragmentActivity;
import android.support.v4.app.FragmentTabHost;
import android.view.LayoutInflater;
import android.view.View;
import android.widget.ImageView;
import android.widget.TabHost.TabSpec;
import android.widget.TextView;

/**
 * @author yangyu
 *	功能描述：自定义TabHost
 */
public class MainTabActivity extends FragmentActivity{	
	//定义FragmentTabHost对象
	private FragmentTabHost mTabHost;
	
	//定义一个布局
	private LayoutInflater layoutInflater;
		
	//定义数组来存放Fragment界面
	private Class fragmentArray[] = {FragmentPage1.class,FragmentPage2.class,FragmentPage3.class,FragmentPage4.class,FragmentPage5.class};
	
	//定义数组来存放按钮图片
	private int mImageViewArray[] = {R.drawable.tab_home_btn,R.drawable.tab_message_btn,R.drawable.tab_selfinfo_btn,
									 R.drawable.tab_square_btn,R.drawable.tab_more_btn};
	
	//Tab选项卡的文字
	private String mTextviewArray[] = {"首页", "消息", "好友", "广场", "更多"};
	
	public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.main_tab_layout);
    
    initView();
  }
	 
	/**
	 * 初始化组件
	 */
	private void initView(){
		//实例化布局对象
		layoutInflater = LayoutInflater.from(this);
				
		//实例化TabHost对象，得到TabHost
		mTabHost = (FragmentTabHost)findViewById(android.R.id.tabhost);
		mTabHost.setup(this, getSupportFragmentManager(), R.id.realtabcontent);	
		
		//得到fragment的个数
		int count = fragmentArray.length;	
				
		for(int i = 0; i < count; i ){	
			//为每一个Tab按钮设置图标、文字和内容
			TabSpec tabSpec = mTabHost.newTabSpec(mTextviewArray[i]).setIndicator(getTabItemView(i));
			//将Tab按钮添加进Tab选项卡中
			mTabHost.addTab(tabSpec, fragmentArray[i], null);
			//设置Tab按钮的背景
			mTabHost.getTabWidget().getChildAt(i).setBackgroundResource(R.drawable.selector_tab_background);
		}
	}
				
	/**
	 * 给Tab按钮设置图标和文字
	 */
	private View getTabItemView(int index){
		View view = layoutInflater.inflate(R.layout.tab_item_view, null);
	
		ImageView imageView = (ImageView) view.findViewById(R.id.imageview);
		imageView.setImageResource(mImageViewArray[index]);
		
		TextView textView = (TextView) view.findViewById(R.id.textview);		
		textView.setText(mTextviewArray[index]);
	
		return view;
	}
}