INFRA: Set Up Project.

android/.gitignore

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+gradle-wrapper.jar
+/.gradle
+/captures/
+/gradlew
+/gradlew.bat
+/local.properties
+GeneratedPluginRegistrant.java
+.cxx/
+
+# Remember to never publicly share your keystore.
+# See https://flutter.dev/to/reference-keystore
+key.properties
+**/*.keystore
+**/*.jks

android/app/build.gradle.kts

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+plugins {
+    id("com.android.application")
+    // START: FlutterFire Configuration
+    id("com.google.gms.google-services")
+    // END: FlutterFire Configuration
+    id("kotlin-android")
+    // The Flutter Gradle Plugin must be applied after the Android and Kotlin Gradle plugins.
+    id("dev.flutter.flutter-gradle-plugin")
+}
+
+android {
+    namespace = "com.emart.customer"
+    compileSdk = 36
+    ndkVersion = flutter.ndkVersion
+
+    compileOptions {
+        sourceCompatibility = JavaVersion.VERSION_11
+        targetCompatibility = JavaVersion.VERSION_11
+        isCoreLibraryDesugaringEnabled = true
+    }
+
+    kotlinOptions {
+        jvmTarget = JavaVersion.VERSION_11.toString()
+    }
+
+    defaultConfig {
+        // TODO: Specify your own unique Application ID (https://developer.android.com/studio/build/application-id.html).
+        applicationId = "com.emart.customer"
+        // You can update the following values to match your application needs.
+        // For more information, see: https://flutter.dev/to/review-gradle-config.
+        minSdk = 26
+        targetSdk = 36
+        versionCode = flutter.versionCode
+        versionName = flutter.versionName
+    }
+
+    buildTypes {
+        release {
+            // TODO: Add your own signing config for the release build.
+            // Signing with the debug keys for now, so `flutter run --release` works.
+            signingConfig = signingConfigs.getByName("debug")
+            isMinifyEnabled = false
+            isShrinkResources = false
+        }
+    }
+}
+
+dependencies {
+    coreLibraryDesugaring("com.android.tools:desugar_jdk_libs:2.1.5")
+    implementation("com.android.billingclient:billing:7.1.1")
+    implementation("com.google.firebase:firebase-auth:21.1.0")
+    implementation("androidx.core:core:1.13.1")
+    implementation("com.razorpay:checkout:1.6.33")
+    implementation("com.google.android.material:material:1.12.0")
+}
+
+flutter {
+    source = "../.."
+}

android/app/google-services.json

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+{
+  "project_info": {
+    "project_number": "893074789710",
+    "firebase_url": "https://fondexuzb-default-rtdb.firebaseio.com",
+    "project_id": "fondexuzb",
+    "storage_bucket": "fondexuzb.firebasestorage.app"
+  },
+  "client": [
+    {
+      "client_info": {
+        "mobilesdk_app_id": "1:893074789710:android:05002c15a64cf1e0c4ba1f",
+        "android_client_info": {
+          "package_name": "com.emart.customer"
+        }
+      },
+      "oauth_client": [
+        {
+          "client_id": "893074789710-nqkeis20f6b64luas7g44c836fvi0qms.apps.googleusercontent.com",
+          "client_type": 3
+        }
+      ],
+      "api_key": [
+        {
+          "current_key": "AIzaSyALZhdy7Rw3jffipxsDvvz7_C_b4teVg1k"
+        }
+      ],
+      "services": {
+        "appinvite_service": {
+          "other_platform_oauth_client": [
+            {
+              "client_id": "893074789710-nqkeis20f6b64luas7g44c836fvi0qms.apps.googleusercontent.com",
+              "client_type": 3
+            },
+            {
+              "client_id": "893074789710-pv12m4nhe82a4ueg9sb2pgt42r0e5da3.apps.googleusercontent.com",
+              "client_type": 2,
+              "ios_info": {
+                "bundle_id": "com.emart.customer"
+              }
+            }
+          ]
+        }
+      }
+    }
+  ],
+  "configuration_version": "1"
+}

android/app/src/debug/AndroidManifest.xml

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+<manifest xmlns:android="http://schemas.android.com/apk/res/android">
+    <!-- The INTERNET permission is required for development. Specifically,
+         the Flutter tool needs it to communicate with the running application
+         to allow setting breakpoints, to provide hot reload, etc.
+    -->
+    <uses-permission android:name="android.permission.INTERNET"/>
+</manifest>

android/app/src/main/AndroidManifest.xml

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+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools">
+
+    <!-- Permissions -->
+    <uses-permission android:name="android.permission.RECORD_AUDIO" />
+    <uses-permission android:name="android.permission.FOREGROUND_SERVICE" />
+    <uses-permission android:name="android.permission.CAMERA" />
+    <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
+    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
+    <uses-permission android:name="android.permission.INTERNET" />
+    <uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" />
+    <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />
+    <uses-permission android:name="android.permission.MANAGE_EXTERNAL_STORAGE" />
+    <uses-permission android:name="android.permission.BLUETOOTH" />
+    <uses-permission android:name="android.permission.BLUETOOTH_ADMIN" />
+    <uses-permission android:name="android.permission.BLUETOOTH_CONNECT" />
+    <uses-permission android:name="android.permission.BLUETOOTH_SCAN" />
+
+
+    <!-- Camera Feature (optional) -->
+    <uses-feature
+        android:name="android.hardware.camera"
+        android:required="false" />
+
+    <!-- Bluetooth Feature -->
+    <uses-feature
+        android:name="android.hardware.bluetooth"
+        android:required="true" />
+
+    <!-- Queries -->
+    <queries>
+        <intent>
+            <action android:name="android.media.action.IMAGE_CAPTURE" />
+        </intent>
+        <intent>
+            <action android:name="android.intent.action.VIEW" />
+            <data android:scheme="mailto" />
+        </intent>
+        <!-- For Flutter's text processing -->
+        <intent>
+            <action android:name="android.intent.action.PROCESS_TEXT" />
+            <data android:mimeType="text/plain" />
+        </intent>
+    </queries>
+
+    <application
+        android:name="${applicationName}"
+        android:icon="@mipmap/ic_launcher"
+        android:label="customer"
+        android:requestLegacyExternalStorage="true"
+        android:roundIcon="@mipmap/ic_launcher"
+        android:usesCleartextTraffic="true">
+
+        <!-- Main Activity (Kotlin-based) -->
+        <activity
+            android:name="com.emart.customer.MainActivity"
+            android:configChanges="orientation|keyboardHidden|keyboard|screenSize|smallestScreenSize|locale|layoutDirection|fontScale|screenLayout|density|uiMode"
+            android:enableOnBackInvokedCallback="true"
+            android:exported="true"
+            android:hardwareAccelerated="true"
+            android:launchMode="singleTop"
+            android:theme="@style/LaunchTheme"
+            android:windowSoftInputMode="adjustResize">
+
+            <meta-data
+                android:name="io.flutter.embedding.android.NormalTheme"
+                android:resource="@style/NormalTheme" />
+
+            <meta-data
+                android:name="io.flutter.embedding.android.SplashScreenDrawable"
+                android:resource="@drawable/launch_background" />
+
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+
+            <!-- Notification click -->
+            <intent-filter>
+                <action android:name="FLUTTER_NOTIFICATION_CLICK" />
+                <category android:name="android.intent.category.DEFAULT" />
+            </intent-filter>
+
+            <!-- PayPal success redirect -->
+            <intent-filter android:label="paypalpay">
+                <action android:name="android.intent.action.VIEW" />
+
+                <category android:name="android.intent.category.DEFAULT" />
+                <category android:name="android.intent.category.BROWSABLE" />
+
+                <data
+                    android:host="paypalpay"
+                    android:scheme="com.emart.customer" />
+            </intent-filter>
+
+            <!-- PayPal cancel redirect -->
+            <intent-filter android:label="paypalcancel">
+                <action android:name="android.intent.action.VIEW" />
+
+                <category android:name="android.intent.category.DEFAULT" />
+                <category android:name="android.intent.category.BROWSABLE" />
+
+                <data
+                    android:host="paypalcancel"
+                    android:scheme="com.emart.customer" />
+
+            </intent-filter>
+
+            <!-- Existing Flutter intent filters (KEEP these) -->
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+
+        <!-- Firebase Notification Icons -->
+        <meta-data
+            android:name="com.google.firebase.messaging.default_notification_icon"
+            android:resource="@mipmap/ic_launcher" />
+
+        <meta-data
+            android:name="com.google.firebase.messaging.default_notification_channel_id"
+            android:value="high_importance_channel" />
+
+        <!-- Flutter embedding -->
+        <meta-data
+            android:name="flutterEmbedding"
+            android:value="2" />
+
+        <!-- Google Maps API Key -->
+        <meta-data
+            android:name="com.google.android.geo.API_KEY"
+            android:value="YOUR_API_KEY_HERE" />
+
+        <!-- ML Kit Barcode -->
+        <meta-data
+            android:name="com.google.mlkit.vision.DEPENDENCIES"
+            android:value="barcode" />
+
+        <!-- Razorpay -->
+        <activity
+            android:name="com.razorpay.CheckoutActivity"
+            android:exported="false"
+            tools:replace="android:exported" />
+
+        <receiver
+            android:name="com.razorpay.RzpTokenReceiver"
+            android:exported="false"
+            tools:replace="android:exported">
+            <intent-filter>
+                <action android:name="rzp.device_token.share" />
+            </intent-filter>
+        </receiver>
+
+        <!-- Local Notifications Service -->
+        <service
+            android:name="com.dexterous.flutterlocalnotifications.ForegroundService"
+            android:exported="false"
+            android:stopWithTask="false" />
+
+        <!-- File Provider -->
+        <provider
+            android:name="androidx.core.content.FileProvider"
+            android:authorities="${applicationId}.provider"
+            android:exported="false"
+            android:grantUriPermissions="true">
+            <meta-data
+                android:name="android.support.FILE_PROVIDER_PATHS"
+                android:resource="@xml/provider_paths" />
+        </provider>
+
+    </application>
+</manifest>

android/app/src/main/kotlin/com/emart/customer/MainActivity.kt

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+package com.emart.customer
+
+import io.flutter.embedding.android.FlutterFragmentActivity
+
+class MainActivity : FlutterFragmentActivity() {
+}

android/app/src/main/res/drawable-v21/launch_background.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<!-- Modify this file to customize your launch splash screen -->
+<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
+    <item android:drawable="?android:colorBackground" />
+
+    <!-- You can insert your own image assets here -->
+    <!-- <item>
+        <bitmap
+            android:gravity="center"
+            android:src="@mipmap/launch_image" />
+    </item> -->
+</layer-list>

android/app/src/main/res/drawable/launch_background.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<!-- Modify this file to customize your launch splash screen -->
+<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
+    <item android:drawable="@android:color/white" />
+
+    <!-- You can insert your own image assets here -->
+    <!-- <item>
+        <bitmap
+            android:gravity="center"
+            android:src="@mipmap/launch_image" />
+    </item> -->
+</layer-list>

android/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+  <background android:drawable="@mipmap/ic_launcher_background"/>
+  <foreground android:drawable="@mipmap/ic_launcher_foreground"/>
+  <monochrome android:drawable="@mipmap/ic_launcher_monochrome"/>
+</adaptive-icon>

android/app/src/main/res/values-night/styles.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <!-- Theme applied to the Android Window while the process is starting when the OS's Dark Mode setting is on -->
+    <style name="LaunchTheme" parent="@android:style/Theme.Black.NoTitleBar">
+        <!-- Show a splash screen on the activity. Automatically removed when
+             the Flutter engine draws its first frame -->
+        <item name="android:windowBackground">@drawable/launch_background</item>
+    </style>
+    <!-- Theme applied to the Android Window as soon as the process has started.
+         This theme determines the color of the Android Window while your
+         Flutter UI initializes, as well as behind your Flutter UI while its
+         running.
+
+         This Theme is only used starting with V2 of Flutter's Android embedding. -->
+    <style name="NormalTheme" parent="@android:style/Theme.Black.NoTitleBar">
+        <item name="android:windowBackground">?android:colorBackground</item>
+    </style>
+</resources>

android/app/src/main/res/values/styles.xml

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+<resources>
+    <!-- Theme for launch/splash screen -->
+    <style name="LaunchTheme" parent="Theme.MaterialComponents.Light.NoActionBar">
+        <item name="android:windowBackground">@drawable/launch_background</item>
+    </style>
+
+    <!-- Normal app theme -->
+    <style name="NormalTheme" parent="Theme.MaterialComponents.Light.NoActionBar">
+        <item name="android:windowBackground">?android:colorBackground</item>
+    </style>
+</resources>

android/app/src/main/res/xml/provider_paths.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<paths xmlns:android="http://schemas.android.com/apk/res/android">
+    <external-path name="external_files" path="."/>
+</paths>

android/app/src/profile/AndroidManifest.xml

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+<manifest xmlns:android="http://schemas.android.com/apk/res/android">
+    <!-- The INTERNET permission is required for development. Specifically,
+         the Flutter tool needs it to communicate with the running application
+         to allow setting breakpoints, to provide hot reload, etc.
+    -->
+    <uses-permission android:name="android.permission.INTERNET"/>
+</manifest>

android/build.gradle.kts

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+allprojects {
+    repositories {
+        google()
+        mavenCentral()
+    }
+}
+
+val newBuildDir: Directory = rootProject.layout.buildDirectory.dir("../../build").get()
+rootProject.layout.buildDirectory.value(newBuildDir)
+
+subprojects {
+    val newSubprojectBuildDir: Directory = newBuildDir.dir(project.name)
+    project.layout.buildDirectory.value(newSubprojectBuildDir)
+}
+subprojects {
+    project.evaluationDependsOn(":app")
+}
+
+tasks.register<Delete>("clean") {
+    delete(rootProject.layout.buildDirectory)
+}

android/gradle.properties

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+org.gradle.jvmargs=-Xmx8G -XX:MaxMetaspaceSize=4G -XX:ReservedCodeCacheSize=512m -XX:+HeapDumpOnOutOfMemoryError
+android.useAndroidX=true
+android.enableJetifier=true

android/gradle/wrapper/gradle-wrapper.properties

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+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.10.2-all.zip

android/settings.gradle.kts

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+pluginManagement {
+    val flutterSdkPath = run {
+        val properties = java.util.Properties()
+        file("local.properties").inputStream().use { properties.load(it) }
+        val flutterSdkPath = properties.getProperty("flutter.sdk")
+        require(flutterSdkPath != null) { "flutter.sdk not set in local.properties" }
+        flutterSdkPath
+    }
+
+    includeBuild("$flutterSdkPath/packages/flutter_tools/gradle")
+
+    repositories {
+        google()
+        mavenCentral()
+        gradlePluginPortal()
+    }
+}
+
+plugins {
+    id("dev.flutter.flutter-plugin-loader") version "1.0.0"
+    id("com.android.application") version "8.7.0" apply false
+    // START: FlutterFire Configuration
+    id("com.google.gms.google-services") version("4.3.15") apply false
+    // END: FlutterFire Configuration
+    id("org.jetbrains.kotlin.android") version "2.1.0" apply false
+}
+
+include(":app")