Redirect theme/plugin after activation

gistfile1.php

<?php


add_action( 'init', 'ayo_redirect_plugin_activation' );
function ayo_redirect_plugin_activation(){
	global $pagenow;
	if ( is_admin() && isset( $_GET['activated'] ) && $pagenow == 'plugins.php' )
		wp_redirect( admin_url( 'options-general.php?page=plugin-page-slug' ) );
		exit;
}

add_action( 'init', 'ayo_redirect_theme_activation' );
function ayo_redirect_theme_activation(){
	global $pagenow;
	if ( is_admin() && isset( $_GET['activated'] ) && $pagenow == 'themes.php' )
		wp_redirect( admin_url( 'admin.php?page=theme-settings-slug' ) );
		exit;
}