BuddyPress add profile tab and subnav

bp-profile-tab-and-subnav.php

function add_animal_tabs() {
	global $bp;
	
	bp_core_new_nav_item( array(
		'name'                  => 'Animals',
		'slug'                  => 'animals',
		'parent_url'            => $bp->displayed_user->domain,
		'parent_slug'           => $bp->profile->slug,
		'screen_function'       => 'animals_screen',			
		'position'              => 200,
		'default_subnav_slug'   => 'animals'
	) );
		
	bp_core_new_subnav_item( array(
		'name'              => 'Dogs',
		'slug'              => 'dogs',
		'parent_url'        => trailingslashit( bp_displayed_user_domain() . 'animals' ),
		'parent_slug'       => 'animals',
		'screen_function'   => 'dogs_screen',
		'position'          => 100,
		'user_has_access'   => bp_is_my_profile()
	) );		

	bp_core_new_subnav_item( array(
		'name'              => 'Cats',
		'slug'              => 'cats',
		'parent_url'        => trailingslashit( bp_displayed_user_domain() . 'animals' ),
		'parent_slug'       => 'animals',
		'screen_function'   => 'cats_screen',
		'position'          => 150,
		'user_has_access'   => bp_is_my_profile()
	) );	

}
add_action( 'bp_setup_nav', 'add_animal_tabs', 100 );



function animals_screen() {
    add_action( 'bp_template_title', 'animals_screen_title' );
    add_action( 'bp_template_content', 'animals_screen_content' );
    bp_core_load_template( apply_filters( 'bp_core_template_plugin', 'members/single/plugins' ) );
}
function animals_screen_title() { 
	echo 'Animals Title<br/>';
}
function animals_screen_content() { 
	echo 'Animals Content<br/>';
}


function dogs_screen() {
    add_action( 'bp_template_content', 'dogs_screen_content' );
    bp_core_load_template( apply_filters( 'bp_core_template_plugin', 'members/single/plugins' ) );
}
function dogs_screen_content() { 
	echo 'Dogs'; 
}

function cats_screen() {
    add_action( 'bp_template_content', 'cats_screen_content' );
    bp_core_load_template( apply_filters( 'bp_core_template_plugin', 'members/single/plugins' ) );
}
function cats_screen_content() { 
	echo 'Cats'; 
}