How to Show/Hide a Custom Loading Spinner Image in Salesforce Lightning Component

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Hey guys, today in this post we are going to learn about how to show and hide a “Custom Loading Spinner Image” as Clint Side in Salesforce Lightning Component.

Don’t forget to check out:- Create a Custom Lightning Component for Show Approve/Reject Status of Selected Records through Modal Popup in Salesforce Lightning Component Click Here For More Information

Files we used in this post example:-

spinnerCustomApp.app	Lightning Application	It is used for call the component to preview on browser.
spinnerCustomCmp.cmp	Lightning Component	It is used for create a spinner button and modal popup for display a spinner image.
spinnerCustomCmpController.js	JavaScript Controller File	It is used for click button function for show and hide the custom loading spinner image.
spinnerCustomCmp.css	Component Style CSS	It is used for create custom Style CSS for display the spinner image at middle of the page.

Live Demo

Other related post that would you like to learn in lightning component.

Step 1:- Create Lightning Application : spinnerCustomApp.app

From Developer Console >> File >> New >> Lightning Application

spinnerCustomApp.app [Component Application File]

  <aura:application extends="force:slds">
    <c:spinnerCustomCmp/>
</aura:application>

<aura:application extends="force:slds">

<c:spinnerCustomCmp/>

</aura:application>

Step 2:- Create Lightning Component : spinnerCustomCmp.cmp

From Developer Console >> File >> New >> Lightning Component

spinnerCustomCmp.cmp [Lightning Component File]

  <aura:component implements="force:appHostable,flexipage:availableForAllPageTypes,flexipage:availableForRecordHome,force:hasRecordId,forceCommunity:availableForAllPageTypes,force:lightningQuickAction" access="global" >
    <aura:attribute name="mySpinner" type="boolean" default="false"/>
    <div class="slds">
        
        <div class="slds-text-align--center slds-m-top--medium">
            <button class="slds-button slds-button--brand" onclick="{!c.spinnerAction}">Spinner Button</button>
        </div>
        
        <aura:if isTrue="{!v.mySpinner}">
            <div class="spinnerContainer">
                <span class="spinnerGif"><img src="https://www.w3web.net/wp-content/uploads/2020/08/loading.gif" width="180" height="180"/></span> 
            </div>
            <div class="slds-backdrop slds-backdrop_open"></div>
        </aura:if>  
        
        <br/><br/>
    <p><img src="https://www.w3web.net/wp-content/uploads/2021/05/thumbsUpLike.png" width="25" height="25" style="vertical-align:top; margin-right:10px;"/> <strong> <span style="font-size:15px; font-style:italic; display:inline-block; margin-right:5px;">Don't forget to check out:-</span> <a href="https://www.w3web.net/" target="_blank" style="text-decoration:none;" rel="noopener noreferrer">An easy way to learn step-by-step online free tutorial, To know more Click  <span style="color:#ff8000; font-size:18px;">Here..</span></a></strong></p>

    </div> 
</aura:component>

<aura:component implements="force:appHostable,flexipage:availableForAllPageTypes,flexipage:availableForRecordHome,force:hasRecordId,forceCommunity:availableForAllPageTypes,force:lightningQuickAction" access="global" >

<aura:attribute name="mySpinner" type="boolean" default="false"/>

<button class="slds-button slds-button--brand" onclick="{!c.spinnerAction}">Spinner Button</button>

</div>

<aura:if isTrue="{!v.mySpinner}">

</div>

</aura:if>

<p><img src="https://www.w3web.net/wp-content/uploads/2021/05/thumbsUpLike.png" width="25" height="25" style="vertical-align:top; margin-right:10px;"/> <strong> <span style="font-size:15px; font-style:italic; display:inline-block; margin-right:5px;">Don't forget to check out:-</span> <a href="https://www.w3web.net/" target="_blank" style="text-decoration:none;" rel="noopener noreferrer">An easy way to learn step-by-step online free tutorial, To know more Click <span style="color:#ff8000; font-size:18px;">Here..</span></a></strong></p>

</div>

</aura:component>

Step 3:- Create Lightning Component : spinnerCustomCmpController.js

From Developer Console >> File >> New >> Lightning Component >> JavaScript Controller

spinnerCustomCmpController.js [JavaScript Controller]

  ({
	spinnerAction : function(component, event, helper) {
        component.set("v.mySpinner",true);
        
        window.setTimeout(
                $A.getCallback(function() {
                     component.set("v.mySpinner",false);
                }), 5000
            );        
	},    
})

({

spinnerAction : function(component, event, helper) {

component.set("v.mySpinner",true);

window.setTimeout(

$A.getCallback(function() {

component.set("v.mySpinner",false);

}), 5000

);

})

Step 4:- Create Lightning Component Style: spinnerCustomCmp.css

From Developer Console >> File >> New >> Lightning Component >> Component Style CSS

spinnerCustomCmp.css [Style CSS]

  .THIS {
}
.THIS .spinnerContainer{width:100%; height:100%;}
.THIS .spinnerContainer .spinnerGif{width:180px; height:180px; display:inline-block; position:absolute; left:0; right:0; top:0; bottom:0; margin:auto; z-index:99;}
.THIS .slds-backdrop{background: rgba(126, 140, 153, 0.4); z-index:9;}

.THIS {

}

.THIS .spinnerContainer{width:100%; height:100%;}

.THIS .spinnerContainer .spinnerGif{width:180px; height:180px; display:inline-block; position:absolute; left:0; right:0; top:0; bottom:0; margin:auto; z-index:99;}