sivam | Webkar Digital Solution

📊 Pre-Migration Check-list

In Progress

Parameter	Old (Source) Value	New (Client) Value	File Reference
App ID	com.old.newsapp	com.client.name	build.gradle.kts
App Label	Source News	Client Daily	AndroidManifest.xml
Blogger ID	84920411...	Required	.env
Firebase JSON	project-old-123	project-client-abc	google-services.json

🆔 01. Package Identity & Namespace

Updating Application ID

android/app/build.gradle.kts

Locate applicationId under defaultConfig and change it.
Locate namespace at the top of the file and match it with applicationId.
Ensure the directory structure in src/main/kotlin/ matches the new package name.

# Automation Command (If plugin exists)
flutter pub run change_app_package_name:main com.newclient.appname

🎨 02. Visual Assets & Branding

App Name & Launcher Icons

android/app/src/main/AndroidManifest.xml

Change android:label="App Name" to client's preferred name.
Replace assets/images/logo.png with the new 1024x1024 transparent PNG.
Run the launcher icon generator command:

flutter pub get
flutter pub run flutter_launcher_icons

Splash Screen & Theme

lib/core/theme/app_colors.dart

Update Primary, Secondary, and Accent hex codes.
Check splash_screen.dart for hardcoded colors or logos.

🌐 03. API, Blogger & Firebase Integration

Environment Configuration

.env

BLOG_ID: Obtain this from Blogger Dashboard > Settings.
API_KEY: Generate a new API Key from Google Cloud Console (Blogger API v3).

Firebase Setup

Create a new project on Firebase Console.
Register the Android App using the Step 01 Package Name.
Download google-services.json and place it in android/app/.

⚠️

Purani google-services.json ko delete karna na bhoolein, warna build conflict ho sakta hai.

💰 04. AdMob Monetization

Ad Unit Configuration

.env

Update ADMOB_APP_ID in AndroidManifest.xml and .env.
Replace all Unit IDs (Banner, Interstitial, Rewarded).

# AndroidManifest.xml Meta-Data
<meta-data
    android:name="com.google.android.gms.ads.APPLICATION_ID"
    android:value="ca-app-pub-xxxxxxxxxxxxxxxx~yyyyyyyyyy"/>

App-Ads.txt

Ensure the client hosts the app-ads.txt on their website's root domain.

🔑 05. Security & Signing Keys

Generate New Keystore

Har client ke liye ek fresh JKS file hona mandatory hai.

keytool -genkey -v -keystore client_key.jks -keyalg RSA -keysize 2048 -validity 10000 -alias key

Key Properties Mapping

android/key.properties

storePassword=password123
keyPassword=password123
keyAlias=key
storeFile=client_key.jks

🚀 06. Deployment & Build Check

Version Bump

Update versionCode (e.g., 1) and versionName (e.g., 1.0.0) in build.gradle.

Clean Build Sequence

flutter clean
flutter pub get
flutter build appbundle --release

✅

Build complete hone ke baad build/app/outputs/bundle/release/ folder check karein.

App Rebranding
Deployment Protocol

Install WebKar App