Tag: Tutorial

Use unit, widget, and integration tests for confidence.

Test Dart functions and classes with package:test.

Store tokens and secrets in platform secure storage/Keychain/Keystore.

Integrate payments via official SDKs/checkout flows and PCI-aware design.

Accept payments with flutter_stripe and PaymentIntents.

Collect PayPal payments via approved SDKs or web checkout flows.

Sell digital goods with in_app_purchase on Play Billing / StoreKit.

Persist data on-device with prefs, SQLite, Hive, or secure storage.

Save small settings and flags with shared_preferences.

Use sqflite for structured on-device relational data.