Two‑Way Binding

Tencent Music Tech Team

Sep 22, 2016 · Mobile Development

Understanding Android Data Binding Framework and Its Mechanisms

Android’s Data Binding framework links code and XML UI elements through compile‑time generated binding classes, supporting one‑ and two‑way bindings, reducing boiler‑plate, improving performance via a single view‑hierarchy traversal, offering expressive layout expressions, event binding, observable data models, dirty‑flag rebinds, and built‑in null safety.