Customizable “Toast-like” Notification via openCustomDialog (Font Size & Panel Size)

The article describes how to implement a customizable Toast-like notification in HarmonyOS using openCustomDialog instead of the built-in openToast API, which lacks font size and panel sizing options. It demonstrates using a builder pattern with PromptAction.openCustomDialog to control width, height, corner radius, background, and typography, with auto-dismiss via closeCustomDialog after a short delay.