private TabHost.TabSpec buildTagSpec(String tagName, int tagLable,
            int icon, Intent content) {
        return tabHost
                .newTabSpec(tagName)
                .setIndicator(getResources().getString(tagLable),
                        getResources().getDrawable(icon)).setContent(content);

    }

private void addSpec() {
        tabHost.addTab(this.buildTagSpec("tab_system", R.string.system,
                R.drawable.menu_about_icon, system_Information_intent));
        tabHost.addTab(this.buildTagSpec("tab_hardware", R.string.hardware,
                R.drawable.menu_map_icon, hardware_Information_intent));
        tabHost.addTab(this.buildTagSpec("tab_software", R.string.software,
                R.drawable.menu_forum_icon, software_Information_intent));
        tabHost.addTab(this.buildTagSpec("tab_runtime", R.string.runtime,
                R.drawable.menu_service_icon, runtime_Information_intent));
    }