Android

看到: https://classroom.udacity.com/courses/ud851/lessons/93affc67-3f0b-4f9b-b3a4-a7a26f241a86/concepts/5b0aab7f-c63c-4e5d-b336-bdc08985767a

問題：source code 下載下來後怎麼開

Android 錄音 App 實作，很讚的文章：https://medium.com/@ssaurel/create-an-audio-recorder-for-android-94dc7874f3d