eBroker App - Key Points

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Follow this order. Generic Flutter steps link out to the common app guide; eBroker-specific steps are documented here.

#	Step	Guide
1	Install Flutter & dev tools	Basic Setup ↗
2	Upgrading from older eBroker build?	Update From Old Version
3	Change app name	Change App Name
4	Change package name	Change Package Name
5	Replace app launcher icon	Change App Icon
6	Replace splash / home / placeholder / login-bg	Other Icons
7	Set theme colors	Theme Colors
8	Firebase project, phone auth, notifications, billing	Firebase Setup
9	Google Maps API keys	Map API Key
10	Deep linking	Setup Deep Link
11	AdMob (optional)	Setup AdMob
12	Multi-language	Add Languages
13	Connect to admin panel API	Connect Admin Panel
14	Bump app version	Change App Version
15	Build & submit to Play Store And Apple Store	Generate App

Change package name BEFORE Firebase setup — Firebase config is tied to package name; redoing it later means re-downloading google-services.json.
For production phone OTP — add the release SHA-1 + SHA-256 to Firebase, not just debug. Run cd android && ./gradlew signinReport.
Never lose keystore.jks — without it you cannot publish updates to an existing Play Store listing. Always copy from previous build.
Always use --no-tree-shake-icons when building eBroker (flutter build appbundle --no-tree-shake-icons).