This article provides a step-by-step guide on how to create an audio streaming application using the Agora Flutter SDK. The author walks through the process of setting up a new Flutter project, adding necessary dependencies, and creating the file structure for the application. They then demonstrate how to build an audio broadcasting interface, connect to RTC, handle RTC events, connect to RTM, associate usernames with uids, add or remove people from the channel, create a toolbar for user interaction, display all users in the channel, and test the application. The complete code for this application is also provided.