Learn how to measure the dynamic size of widgets in Flutter through a step-by-step example. Explore concepts like widget tree, element tree, render tree, build context, and more. Understand the importance of separating the widget tree and accessing Render Objects via BuildContext.
Table of contents
Get Dynamic Widget Size in FlutterImplementation GoalsHow are Widgets Drawn?Widget Tree — Blueprint of a CarElement Tree — Car Parts and EngineersRendering Tree — Car Manufacturing, Manufactured CarWhat If it Wasn’t Composed of Three Widget Trees?1. Separating Widget Trees and Accessing Render Objects via BuildContext2. Obtaining Size When Widget Rendering is Complete3. Detecting and Obtaining Size When Widget Size Dynamically Changes4. Modularizing for Ease of UseConclusionSort: