We only live once.
https://medium.com/%E9%96%92%E8%AB%87%E8%BB%9F%E9%AB%94%E6%9E%B6%E6%A7%8B/%E9%96%92%E8%AB%87%E8%BB%9F%E9%AB%94%E6%9E%B6%E6%A7%8B-android-app-architecture-ebf286748ef4
Kevin Nien
LifeJourney 