Building an Offline-First Temporary Email App on Android with Room DB

说明与用途

Mailfo 通过本地 Room SQLite 存储，确保一次性验证码在后台或网络不稳时不丢失。

问题

Ephemeral email data disappears when the app is backgrounded or network drops, causing failed OTP retrieval.

结果

Mailfo delivers reliable temporary email service by persisting OTPs locally, ensuring users never lose verification codes even when the app is backgrounded or network is unstable.

工作流

• Generate a temporary email address
• Paste address into a third‑party form
• Receive verification email/OTP via push or polling
• Persist each incoming message into Room SQLite immediately
• UI observes Room via Flow/StateFlow and displays messages
• User filters messages locally (All, Unread, Promotions, Important)
• User copies OTP and returns to browser
• User can purge all addresses with a single tap

证据

Every incoming message received via push / polling is immediately persisted into a local SQLite table.

来源

The UI observes the Room database as a single source of truth.

来源