Display a Notification in Navigation Bar on Oracle Apex

Display a Notification in Navigation Bar on Oracle Apex

Display a Notification in Navigation Bar on Oracle Apex

This post discusses how you or the application users will see a notification when a user orders any product in the e-commerce application created through your Oracle Apex. You can use this process to show notifications to any user, or admin users. We hope you find this post about Oracle Apex useful and helpful.
             In the world of web development, Oracle Apex is a powerful tool that allows developers to create stunning and dynamic web applications. One common requirement in web development is the ability to display notifications to users. In this article, we will explore how to display a notification in the navigation bar on Oracle Apex. We will cover various techniques and provide step-by-step instructions to help you achieve this functionality in your Oracle Apex applications.

Display a Notification in Navigation Bar Orders a product on Oracle Apex
This post shows you how to create notification table, do SQL query, how to show in negation bar, how to count, details.

Youtoub Video- https://youtu.be/EUQ2RXWX69w
Demo Application- https://apex.oracle.com/pls/apex/f?p=95068
                                Username- demo, Pass- demo

1. Create an item on the global page of your "oracle apex" application

2. Go to Application Computations from the shared component of the application and create an Application Computations.
Computation Item- P0_ORDER_ID
Computation Point- Before Region(s)
Computation Type- SQL Query (return single value)
select count(OID) from ORDER_PRODUCT

3. Create a classic report for your application
Name- Pending Order
SQL Query- 

       OID     Confirm_Order,
       OID     Cancel_Order
4. Go to Desktop Navigation Bar from the shared component of the application and create New List Entry.
Image/Class- fa-bell
List Entry Label- Notification
Target Page- 36
Badge Value- &P0_ORDER_ID.

If you want to know more details about this, then you can see the complete post below.

What is Oracle Apex?

Oracle Application Express (Apex) is a low-code development platform that enables developers to build web-based applications quickly and efficiently. It is built on top of the Oracle Database and provides a declarative framework for developing database-driven applications. With Oracle Apex, developers can create sophisticated web applications with minimal coding effort.

Overview of Notifications in Web Applications

Notifications play a crucial role in enhancing the user experience of web applications. They serve as a means to communicate important information, alerts, updates, or reminders to users. By displaying notifications in the navigation bar, developers can ensure that users are instantly aware of any relevant updates or actions they need to take.

Displaying a Notification in Navigation Bar on Oracle Apex

Setting up the Apex Application

To begin, you need to set up your Oracle Apex application. Create a new application or open an existing one in Oracle Apex. Ensure that you have the necessary privileges to make changes to the application.

Creating a Dynamic Action

Once your application is set up, you can proceed to create a dynamic action that triggers the notification. Follow these steps:

  1. Navigate to the "Shared Components" section of your application.
  2. Select "Dynamic Actions" from the menu.
  3. Click on the "Create" button to create a new dynamic action.
  4. Choose a suitable name for the dynamic action, such as "Display Notification."
  5. Select the event that will trigger the notification. For example, you can choose the "Page Load" event to display the notification when the page loads.
  6. Configure the action to display the notification. You can use the built-in "Show" action type and provide the necessary details such as the message text, notification type, and duration.

Configuring the Notification Region

After creating the dynamic action, you need to configure the notification region to display the notification in the navigation bar. Follow these steps:

  1. Navigate to the page where you want to display the notification.
  2. Select the "Regions" section.
  3. Click on the "Create" button to create a new region.
  4. Choose the region type as "Notification" from the available options.
  5. Provide a suitable name for the region, such as "Navigation Notification."
  6. Configure the region properties, including the position, appearance, and template.
  7. Associate the dynamic action you created earlier with the notification region.

Benefits of Displaying Notifications in the Navigation Bar

Displaying notifications in the navigation bar offers several benefits for both developers and end users. Some of the key benefits include:

  • Improved User Experience: Notifications placed in the navigation bar are easily noticeable, ensuring that users don't miss important updates or alerts.
  • Real-time Communication: Users receive instant updates and information without the need to navigate to different pages or sections.
  • Efficient Workflow: Notifications in the navigation bar provide a quick way for users to take action or respond to important events.
  • Customization Options: Developers have the flexibility to customize the appearance and behavior of notifications to align with the application's design and branding.

Best Practices for Notification Design

When designing notifications for your Oracle Apex application, it's essential to follow best practices to ensure a seamless user experience. Consider the following guidelines:

  • Keep it Concise: Notifications should convey information concisely and avoid excessive text or unnecessary details.
  • Use Visual Cues: Incorporate appropriate icons, colors, or symbols to make notifications visually appealing and easily distinguishable.
  • Provide Clear Actions: If the notification requires user action, clearly indicate the available options and their purpose.
  • Optimize for Mobile: Ensure that notifications are responsive and display correctly on mobile devices, considering limited screen space.
  • Test and Iterate: Regularly test the notification functionality and gather user feedback to refine and improve the design.

Examples of Effective Notification Implementation

Let's take a look at a couple of examples showcasing effective notification implementation in Oracle Apex applications:

Example 1: Task Reminder Notification

Suppose you have a project management application built with Oracle Apex. You can display a notification in the navigation bar to remind users of upcoming tasks or approaching deadlines. The notification can provide a summary of the task and include a link to navigate directly to the task details page.

Example 2: System Maintenance Notification

During system maintenance or downtime, you can display a notification in the navigation bar to inform users about the temporary unavailability of certain features. The notification can include an estimated duration and any alternative actions users can take during the maintenance period.

Common Challenges and Troubleshooting Tips

While implementing notifications in the navigation bar on Oracle Apex, you may encounter some challenges. Here are a few common issues and tips to overcome them:

  1. Notification Not Displaying: Ensure that the dynamic action is correctly configured and associated with the notification region. Verify the conditions and triggering events.
  2. Styling Issues: If the notification's appearance is not as expected, review the CSS classes and styles applied to the region and adjust them accordingly.
  3. Responsive Design Problems: Test the notification on various devices and screen sizes to ensure it displays correctly and is fully responsive.

Frequently Asked Questions (FAQs)

How can I customize the appearance of the notification?

To customize the appearance of the notification, you can modify the CSS classes and styles associated with the notification region. Oracle Apex provides a wide range of customization options, allowing you to align the notification's appearance with your application's design.

Can I display different notifications based on user roles?

Yes, Oracle Apex allows you to conditionally display notifications based on user roles or other criteria. You can define specific conditions for each notification and ensure that only users with the relevant roles or conditions receive the notifications.

Is it possible to add a link or button to the notification?

Absolutely! You can include links or buttons within the notification message. These links can navigate users to specific pages or perform custom actions when clicked.

Can I schedule notifications to appear at specific times?

While Oracle Apex does not provide built-in scheduling capabilities for notifications, you can leverage Oracle Database features or external scheduling tools to trigger the dynamic action at specific times. This way, you can simulate scheduled notifications by controlling when the action executes.

Are there any limitations to consider when using notifications?

Some limitations to consider when using notifications in Oracle Apex include:

  • Notifications are typically session-based and may not persist across different sessions or page navigations.
  • Notifications may not be visible if the user has disabled browser notifications or is using a browser that does not support them.
  • The number of notifications that can be displayed simultaneously may depend on the screen size and available space in the navigation bar.
How can I test the notification functionality in Oracle Apex?

To test the notification functionality in Oracle Apex, you can simulate the triggering events or conditions specified in the dynamic action. Use the Apex development environment to run the application and observe the behavior of the notifications.


Displaying notifications in the navigation bar on Oracle Apex can significantly enhance the user experience of your web applications. By following the steps outlined in this article, you can easily implement this functionality and keep your users informed and engaged. Remember to consider best practices, customize the appearance, and iterate based on user feedback to create effective notifications. With Oracle Apex's robust development capabilities, you can create dynamic and engaging web applications that deliver timely information to your users.

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