package com.example.tabproject;

 import android.os.Bundle;

 import android.app.Activity;

 import android.app.TabActivity;

 import android.view.LayoutInflater;

 import android.view.Menu;

 import android.widget.TabHost;

 import android.widget.Toast;

 import android.widget.TabHost.OnTabChangeListener;

 import android.widget.TabHost.TabSpec;

 public class MainActivity extends TabActivity implements OnTabChangeListener{

     private TabSpec ts1,ts2,ts3;

     private TabHost tableHost;

     @Override

     protected void onCreate(Bundle savedInstanceState) {

         super.onCreate(savedInstanceState);

         tableHost = this.getTabHost();

         LayoutInflater.from(this).inflate(R.layout.activity_main,tableHost.getTabContentView());

         ts1 = tableHost.newTabSpec("tab1");

         ts1.setIndicator("tab1");

         ts1.setContent(R.id.btn);

         ts2 = tableHost.newTabSpec("tab2");

         ts2.setIndicator("tab2", getResources().getDrawable(R.drawable.bg));

         ts2.setContent(R.id.et);      

         ts3 = tableHost.newTabSpec("tab3");

         ts3.setContent(R.id.layout);

         ts3.setIndicator("tab3", getResources().getDrawable(R.drawable.pg2));

         ts3.setContent(R.id.et);             

         tableHost.addTab(ts1);

         tableHost.addTab(ts2);

         tableHost.addTab(ts3);

         tableHost.setOnTabChangedListener(this);

     }

     @Override

     public boolean onCreateOptionsMenu(Menu menu) {

         // Inflate the menu; this adds items to the action bar if it is present.

         getMenuInflater().inflate(R.menu.main, menu);

         return true;

     }

     @Override

     public void onTabChanged(String arg0) {

         // TODO Auto-generated method stub

         if (arg0.equals("tab1")) {

             Toast.makeText(this, "分页1", Toast.LENGTH_LONG).show();

         } else if(arg0.equals("tab2")){

             Toast.makeText(this, "分页2", Toast.LENGTH_LONG).show();

         }else if(arg0.equals("tab3")){

             Toast.makeText(this, "分页3", Toast.LENGTH_LONG).show();

         }

     }

 }