StreamBuilder

Imagine building an Instagram news feed page in its app in which Instagram’s newsfeed server will continuously give an updated result, i.e., a list of posts for the user. We’ll continuously listen to this stream of the list and update the news feed page accordingly. To make this entire process easier in Flutter, there’s a StreamBuilder widget that does all of these things.

Example

Let’s see an example and look at how the text changes after every second.