Loading indicator or spinner a graphical animation

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  • megri
    Administrator

    • Mar 2004
    • 940

    Loading indicator or spinner a graphical animation


    The spinning circle you see when clicking or submitting a form is called a loading indicator or spinner. It's a graphical animation that shows the user that the system is processing their request and waiting for a response.
    The spinner serves several purposes:
    • Visual feedback: It provides a visual cue that the system is working on the request.
    • Progress indication: It indicates that the process is ongoing and may take some time.
    • Prevents multiple clicks: It discourages users from clicking multiple times, which can lead to multiple submissions or errors.
    The spinner can be implemented using various technologies, including HTML, CSS, JavaScript, or frameworks like React, Angular, or Vue.js. It's a common design pattern in web development that enhances user experience and provides a responsive interface.


    There are several types of loading indicators or spinners, including:
    1. Circular Spinner: A rotating circle, often with a hollow centre, spins around its centre.
    2. Pacman Loader: A loader that resembles the Pac-Man character, with a "mouth" that opens and closes.
    3. Spinner Ring: A ring-shaped loader that spins around its centre.
    4. Bouncing Balls: A loader featuring multiple balls that bounce up and down or move in a circular motion.
    5. Infinity Loader: A loader featuring a loop of two or more arcs that rotate continuously.
    6. Progress Bar: A loader that fills up a bar to indicate progress.
    7. GIF Animations: Custom GIF animations that can be used as loaders.
    8. SVG Animations: Animations created using SVG (Scalable Vector Graphics) that can be used as loaders.
    9. Text-based Loader: A loader that uses text to indicate loading, such as "Loading..." or "Please wait...".
    10. Skeleton Screen: A loader displaying a skeleton of the content to be loaded, previewing the layout.
    These are just a few examples, and there are many more creative and custom-loading indicators out there!


    When writing a PHP script, you can add loading indicators or spinners using various methods, depending on the type of spinner you want to use. Here are some common ways to add spinners:
    1. HTML and CSS:
    Use HTML to create the spinner structure and CSS to style and animate it.
    • HTML: <div cl***="spinner"></div>
    • CSS: .spinner { /* animation and styling */ }
    2. JavaScript and jQuery:
    Use JavaScript or jQuery to create and animate the spinner.
    • JavaScript: document.getElementById("spinner").style.display = "block";
    • jQuery: $("#spinner").show();
    3. PHP and HTML:
    Use PHP to generate the HTML for the spinner.
    • PHP: echo '<div cl***="spinner"></div>';
    4. Libraries and Frameworks:
    Use libraries like Bootstrap, Font Awesome, or frameworks like React, Angular, or Vue.js, which provide pre-built spinner components.
    • Bootstrap: <div cl***="spinner-border"></div>
    • Font Awesome: <i cl***="fa fa-spinner fa-spin"></i>
    5. GIF or SVG:
    Use a GIF or SVG image as a spinner.
    • HTML: <img src="spinner.gif" alt="Loading...">
    To add a spinner in PHP, you can:
    1. Create a PHP function that generates the HTML for the spinner.
    2. Use a PHP library or framework that provides a spinner component.
    3. Include a JavaScript file that creates and animates the spinner.
    Here's an example of a simple PHP function that generates a basic spinner:
    PHPfunction showSpinner() {
    echo '<div cl***="spinner">';
    echo '<div cl***="spinner-border"></div>';
    echo '</div>';
    }
    Call this function where you want to display the spinner:
    PHPshowSpinner();
    Remember to add CSS styles to animate and style the spinner.
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  • Mohit Rana
    Senior Member

    • Jan 2024
    • 406

    #2
    A loading indicator or spinner is a type of graphical animation used to signal that a process is ongoing and the user should wait. It’s commonly used in web and app interfaces to show that something is loading or processing in the background. Here are some common types:
    1. Spinner: A circular graphic that rotates, often seen as a simple line or a set of dots forming a circle. It's the most common form of loading indicator.
    2. Progress Bar: A horizontal bar that fills up to indicate progress, often used to show how much of a task has been completed.
    3. Dots Animation: A series of dots that pulse, fade, or move in a sequence to show that something is happening.
    4. Pulsing Circle: A circle that grows and shrinks in size to create a pulsing effect.
    5. Circular Motion: Various shapes (e.g., arrows or lines) that rotate around a center point.
    6. Ellipsis: A series of three dots that appear one after another, often used in messaging apps.

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    • lisajohn
      Senior Member

      • May 2007
      • 344

      #3
      A loading indicator, also known as a spinner, is a graphical animation used to indicate that a process is ongoing or that the system is busy and the user should wait. It's commonly used in web applications, mobile apps, and software programs to provide visual feedback to the user while they wait for content to load, data to be processed, or a task to be completed.

      The purpose of a loading indicator is to provide a better user experience by giving the user a clear visual cue that the system is working on their request, rather than leaving them wondering if the application has crashed or is stuck. This helps to manage the user's expectations and reduce frustration.

      Loading indicators can take various forms, such as:
      1. Spinning circles or dots: These are the most common type of loading indicators, where a circular or dot-based shape rotates or pulsates to indicate activity.
      2. Progress bars: These show the progress of a task in a linear fashion, often representing a percentage of completion.
      3. Loaders: These are animated graphics that simulate the loading or processing of content, such as a series of growing/shrinking shapes or a loader bar that fills up.
      4. Skeleton screens: These display a simplified layout of the content that will eventually be loaded, providing a smooth transition as the actual content is gradually rendered.

      The choice of loading indicator depends on the context and the type of task being performed. Spinning circles or dots are generally the most universal and widely used, as they are simple, intuitive, and can be easily customized to match the branding and design of the application.

      When implementing a loading indicator, it's important to consider factors such as:
      • Visibility: The indicator should be prominently displayed and easily noticeable by the user.
      • Responsiveness: The indicator should adapt well to different screen sizes and devices.
      • Accessibility: The indicator should provide alternative text or other methods for users with disabilities to understand the loading state.
      • Performance: The loading indicator should be lightweight and efficient, so it doesn't cause additional delays or slow down the overall application.

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