Icons

1- Create your app icon ic_launcher and notification icon ic_notification folders How to generate an app icon? after you generate icons folder replace the following folders:

• /mipmap-hdpi in /android/app/src/main/res/ folder
• /mipmap-mdpi in /android/app/src/main/res/ folder
• /mipmap-xhdpi in /android/app/src/main/res/ folder
• /mipmap-xxhdpi in /android/app/src/main/res/ folder
• /mipmap-xxxhdpi in /android/app/src/main/res/ folder

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

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

    defaultConfig {
        applicationId "<REPLACE WITH YOUR PACKAGE NAME>" // this is the package name
        minSdkVersion 19
        targetSdkVersion 29
        versionCode flutterVersionCode.toInteger()
        versionName flutterVersionName
        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
    }

2- Open /android/app/src/main/AndroidManifest.xml , /android/app/src/profil/AndroidManifest.xml, /android/app/src/debug/AndroidManifest.xml and specify your:

• YOUR PACKAGE NAME
• YOUR APPLICATION NAME
• YOUR GOOGLE MAPS KEY

<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="<YOUR PACKAGE NAME>">

    <uses-permission android:name="android.permission.INTERNET"/>
    <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION"/>
    <uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION"/>

    <!-- io.flutter.app.FlutterApplication is an android.app.Application that
         calls FlutterMain.startInitialization(this); in its onCreate method.
         In most cases you can leave this as-is, but you if you want to provide
         additional functionality it is fine to subclass or reimplement
         FlutterApplication and put your custom class here. -->
    <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>"/>

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

4- Copy the generated google-service.json file in /android/app/ folder