Enhance User Experience in Chat Screen: Maintain Automatic Scroll to Bottom with Components of Variable Height in Ionic 6

In my Angular Ionic 6 application, I have a chat screen that I want to automatically scroll to the bottom when it loads.

Although I know how to achieve this using

this.ionContent.scrollToBottom();
, I'm facing an issue with some messages containing dynamic content and variable heights.

What is the most effective method to ensure that after all the messages and components are loaded, the chat can smoothly scroll to the bottom?

Answer №1

Last month, I encountered a similar issue where not all messages were loading properly due to the scroll not reaching the bottom.

To fix this, I implemented a function in my utilities.service.ts:

 async scrollToBottom(content:IonContent, repeat:number=1){
   for(let i=0; i<repeat; i++){
     await this.delay(300);
     await content.scrollToPoint(400)    
   }
 }

By using this function, I can simply do:

this.utilityService.scrollToBottom(this.contentDiv, 4);

This ensures that the messages always load completely and reach the end of the scroll.

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