How to enable user defined module from the administration menu list?

Question

I am beginner to Drupal 7. I am trying to start with Basic Form handling. I created a directory my_module in sites/all/modules. Created my_module.info file using notepad with the following contents

name = My module
description = Module for form api tutorial
core = 7.x

Then I created my_module.module file with the following contents

<?php
/** 
 * This function defines the URL to the page created etc.
 * See http://api.drupal.org/api/function/hook_menu/6
 */
function my_module_menu() {
  $items = array();
  $items['my_module/form'] = array(
    'title' => 'My form',
    'page callback' => 'my_module_form',
    'access arguments' => array('access content'),
    'description' => 'My form',
    'type' => MENU_CALLBACK,
  );
  return $items;
}


function my_module_form() {

  // This form calls the form builder function via the
  // drupal_get_form() function which takes the name of this form builder
  // function as an argument. It returns the results to display the form. 
  return drupal_get_form('my_module_my_form');

}

/**
 * This function is called the "form builder". It builds the form.
 * Notice, it takes one argument, the $form_state
 */
function my_module_my_form($form_state) {

    // This is the first form element. It's a textfield with a label, "Name"
  $form['name'] = array(
    '#type' => 'textfield',
    '#title' => t('Name'),
  );
  return $form;
}

But when I goes to module list and tries to enable the newly created module it is not being listed. Kindly help me to resolve this problem. I have gone through several techniques shown in different forums like deleting multiple copies of the files,providing permissions etc.But all in vain.

Answer 1

You should follow these steps. This may help you to better understand that how to create custom module. If you have any query then comment below.

Link

Answer 2

You can add this to your info file:

package = My custom modules

That will tell drupal to put your module in the fieldset My custom modules. Also if you have the module module_filter installed, the packages get their own tabs. It should be easier to find your custom module in the module list this way.

Answer 3

First, check the my_module.info my_module.module files. Maybe these have a wrong file permissions ? Make sure you dont have file of the same name somewhere else in the folder structure, It could stay from your old 'tests'.

Second, for displaying forms in the way you want you must use drupal_render() or render()

function my_module_form() {
  // This form calls the form builder function via the
  // drupal_get_form() function which takes the name of this form builder
  // function as an argument. It returns the results to display the form. 
  return drupal_render(drupal_get_form('my_module_my_form'));
}

In D7 drupal_get_form returns a renderable array, not HTML.

Another way, you can also get the form directly from the hook:

 $items['my_module/form'] = array(
   'title' => 'My form',
   'page callback' => 'drupal_get_form',
   'page arguments' => array('my_module_my_form'),
   'access arguments' => array('access content'),
 );