[source code] Container

// class Container

import android.app.TabActivity;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.util.Log;
import android.widget.TabHost;

public class Container extends TabActivity{


    @Override
    public void onCreate(Bundle savedInstanceState) {
        requestWindowFeature(android.view.Window.FEATURE_NO_TITLE);
        super.onCreate(savedInstanceState);

        host = getTabHost();
        Intent intent = new Intent(this, Tab1Activity.class);
        host.addTab(host.newTabSpec("one").setIndicator("TAB1").setContent(intent));
        intent = new Intent(this, Tab2Activity.class);
        host.addTab(host.newTabSpec("two").setIndicator("TAB2").setContent(intent));
       
        host.getTabWidget().getChildAt(0).getLayoutParams().height = 0;
        host.getTabWidget().getChildAt(1).getLayoutParams().height = 0;

    }
   
    @Override
    protected void onResume() {
        super.onResume();
        receiver = new TabChangeReceiver();
        registerReceiver(receiver, new IntentFilter("com.novoda.TAB"), null, mHandler);
    }
   
    @Override
    protected void onPause() {
        super.onPause();
        unregisterReceiver(receiver);
    };
   
    protected Handler mHandler = new Handler() {
        @Override public void handleMessage(Message msg) {
            switch (msg.what) {
                case SWITCH_TAB:
                    Log.i("handler", "using the handler");
                    host.setCurrentTab(msg.arg1);                   
                    break;
            }
        }
    };

    public class TabChangeReceiver extends android.content.BroadcastReceiver{
        @Override
        public void onReceive(Context context, Intent intent) {
            int intExtra = intent.getIntExtra("tab", 0);
            Log.i(TabChangeReceiver.class.getSimpleName(), "Recieved broadcast with extra=[" + intExtra + "]");
           
            mHandler.sendMessage(mHandler.obtainMessage(SWITCH_TAB, intExtra, 0));
        }
    }
   
    private TabHost host;
    public static final int SWITCH_TAB = 2545;
    protected static TabChangeReceiver receiver;
   
}

// class Tab1Activity

import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;

public class Tab1Activity extends Activity{
   
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.tab1);
       
        findViewById(R.id.tab2).setOnClickListener(new OnClickListener() {
            public void onClick(View v) {
                Intent intent = new Intent("com.novoda.TAB");
                intent.putExtra("tab", 1);
                sendBroadcast(intent);
            }
        });
       
    }
}

// class Tab2Activity

import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;

public class Tab2Activity extends Activity{
   
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.tab2);
       
        findViewById(R.id.tab1).setOnClickListener(new OnClickListener() {
            public void onClick(View v) {
                Intent intent = new Intent("com.novoda.TAB");
                intent.putExtra("tab", 0);
                sendBroadcast(intent);
            }
        });
           
    }
}

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