「子由數學小學堂師生互動 App」為基於 Firebase 雲端服務平台,開發的 Android 應用程式。此 App 的目的為使老師可在課堂中將選好的數學題目轉發 給課堂中的學生並使用練習。 本論文主要針對 App 後端程式以及資料庫撰寫,使用 View Binding 以及 Lambda Expressions 使程式開發及維護更加容易,並說明 App 的資料庫架構以及其資料的儲存以及讀取。;"Ziyou Mathematics Primary School Teacher-Student Interaction App" is an Android application developed based on the Firebase cloud service platform. The purpose of this app is to enable the teacher to forward the selected math topics to the students in the class and use the exercises in the class. Mainly for the App back-end program and database, using View Binding and Lambda Expressions to make program development and maintenance easier, and explain the App′s database structure and its data storage and query.