[android help] header and footer questio

ive seen a post before and i tried to copy and implement it on my porject but i have trouble doing so this is the link that im talking about How do I create a header or footer button bar for my Android application it is on implementing header and footer my problem is that i cant put on my activity in the middle how can i do it in all my activity here is the code for my activity main activity import android.os.Bundle;

@SuppressWarnings("deprecation")
public class ShareAnews extends TabActivity {


@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_shareanews);

    TabHost tabhost = (TabHost) findViewById(android.R.id.tabhost);
    TabSpec Tab1 = tabhost.newTabSpec("tab1");
    TabSpec Tab2 = tabhost.newTabSpec("tab2");
    TabSpec Tab3 = tabhost.newTabSpec("tab3");
    TabSpec Tab4 = tabhost.newTabSpec("tab4");


    Tab1.setIndicator("Traffic").setContent(new Intent(this,ShareAnewsTraffic.class));
    Tab2.setIndicator("Accident").setContent(new Intent(this,ShareAnewsAccident.class));
    Tab3.setIndicator("Hazard").setContent(new Intent(this,ShareAnewsHazard.class));
    Tab4.setIndicator("Crime").setContent(new Intent(this,ShareAnewsCrime.class));


    tabhost.addTab(Tab1);
    tabhost.addTab(Tab2);
    tabhost.addTab(Tab3);
    tabhost.addTab(Tab4);


}


}

1st activity

import android.app.Activity;

public class ShareAnewsHazard extends Activity {

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_shareanewshazard);
}


}

2nd activity

import android.app.Activity;

public class ShareAnewsTraffic extends Activity {

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_shareanewstraffic);
}


}

3rd activity

import android.app.Activity;

public class ShareAnewsAccident extends Activity {

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_shareanewsaccident);
}


}

4th activity

import android.app.Activity;

public class ShareAnewsCrime extends Activity {

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_shareanewscrime);
}


}

.

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