• Get Dependencies

And just run the following command

flutter pub get

• Change Package Name If you want to change the package name following the next steps

  Open /android/app/build.gradle and change the package name

    defaultConfig {
        applicationId "ENTER YOU PACKAGE NAME"
        minSdkVersion 23
        targetSdkVersion 29
        versionCode flutterVersionCode.toInteger()
        versionName flutterVersionName
    }

• Change Package Name in manifests files Open /android/app/src/main/AndroidManifest.xml , /android/app/src/profil/AndroidManifest.xml, /android/app/src/debug/AndroidManifest.xml and specify:
  YOUR PACKAGE NAME, YOUR APPLICATION NAME and YOUR GOOGLE MAPS KEY

  <manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="YOUR PACKAGE NAME">
    <application
        android:name="io.flutter.app.FlutterApplication"
        android:label="YOUR APPLICATION NAME"
        android:icon="@mipmap/ic_launcher">
        <meta-data android:name="com.google.android.geo.API_KEY"
            android:value="YOUR GOOGLE MAPS KEY"/>
        <activity

• MainActivity.kt

Open /android/app/src/main/kotlin/Your Package name folders/MainActivity.kt and change the package name

• Drag and Drop Firebase Google-Service.json file

Open Android Studio and Drag and Drop Firebase Google-Service.json file into android/app folder

• Set Server Path

Open file lib/model/config/api.dart and change _path to you new site path.

• Set Google Maps Api Key

Open Admin Panel and Open menu Setting Put Your Google Map API key and press Save

• AppDelegate.swift

Specify your API key in the application delegate ios/Runner/AppDelegate.swift:

@UIApplicationMain
@objc class AppDelegate: FlutterAppDelegate {
  override func application(
    _ application: UIApplication,
    didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?
  ) -> Bool {
    GMSServices.provideAPIKey("YOU GOOGLE MAPS KEY")
    GeneratedPluginRegistrant.register(with: self)
    return super.application(application, didFinishLaunchingWithOptions: launchOptions)
  }
}