0Pricing
Flutter Mobile Development · レッスン

App StoreとPlay Store

FlutterアプリケーションをApple App StoreとGoogle Play Store向けに準備し、公開するまでの一連のプロセスを学びます。

「App StoreとPlay Store」はCoddyKit上の無料Flutter Mobile Developmentレッスンです。 これはレッスン1/4です。 下記で完全なレッスンを無料で読むことができます。その後、ブラウザ内の組み込みコードエディタと24時間対応のAIチューターでハンズオン演習できます。 これはFlutter Mobile Development学習パスの一部であり、ウェブとCoddyKitアプリ全体で進捗が同期されます。 Flutter Mobile Developmentコースには全4レッスンが含まれています。

このレッスンの一部はまだ翻訳されておらず、英語で表示されています。

Ready to Launch Your App?

Congratulations! You've built a Flutter app. Now it's time to share it with the world by publishing it to the official app stores.

This lesson will guide you through the complete process for both the Google Play Store (for Android) and the Apple App Store (for iOS).

Pre-Launch Checklist

Before you even think about uploading, ensure your app is polished and ready:

  • App Icon: A distinctive icon for your home screen.
  • Splash Screen: A welcoming screen during startup.
  • Privacy Policy: Required if your app collects user data.
  • Thorough Testing: Ensure your app is stable and bug-free.
  • Content Rating: Determine the appropriate age rating.

Android: Project Setup & Versioning

For Android, you need to configure your app's unique identifier and version details. This is primarily done in your android/app/build.gradle file.

The applicationId must be unique across Google Play. versionCode is an internal integer, and versionName is the user-visible string.

android {
    defaultConfig {
        applicationId "com.yourcompany.yourapp"
        minSdkVersion 21
        targetSdkVersion flutter.targetSdkVersion
        versionCode 1
        versionName "1.0.0"
    }
}

Android: Signing Your App

Every Android app must be digitally signed with a certificate before it can be installed. This proves your app's authenticity and ensures updates come from you.

You'll generate a keystore file, which contains your private key. Keep this file extremely secure and backed up, as you'll need it for all future updates!

keytool -genkey -v -keystore ~/upload-keystore.jks \
-keyalg RSA -keysize 2048 -validity 10000 -alias upload

Android: Keystore Configuration

After creating your keystore, you need to tell your Flutter project how to use it. Create a key.properties file in your android folder and reference it in android/app/build.gradle.

This approach helps secure your signing credentials while building your app.

// android/key.properties
storePassword=YOUR_STORE_PASSWORD
keyPassword=YOUR_KEY_PASSWORD
alias=upload
storeFile=upload-keystore.jks

Android: Building for Release

Once configured, you can build your release-ready Android App Bundle (AAB). The AAB format is recommended as it allows Google Play to optimize app delivery for different devices.

Always use the --release flag to ensure your app is optimized for performance and size.

flutter build appbundle --release

Google Play Console: Overview

The Google Play Console is your portal to manage and publish Android apps. You'll need a developer account, which involves a one-time registration fee.

Here you'll create your app listing, upload your AAB, manage releases, and monitor performance and user reviews.

Google Play: Store Listing Details

Your store listing is what users see. Make it compelling!

  • App Name: Clear and searchable.
  • Short Description: A catchy summary.
  • Full Description: Detailed features and benefits.
  • Screenshots & Feature Graphic: High-quality visuals that showcase your app.
  • Category & Tags: Help users discover your app.

iOS: Project Setup & Team

For iOS, you'll work with Xcode. Open your Flutter project's ios folder in Xcode.

Ensure your Bundle Identifier is unique (e.g., com.yourcompany.yourapp) and set your Version and Build numbers. You'll also need to join the Apple Developer Program ($99/year).

iOS: Archiving & App Store Connect

In Xcode, go to Product > Archive to create an archive of your app. This prepares it for distribution.

After archiving, you can validate and upload your app to App Store Connect. From there, you'll manage your app's listing, beta testing (TestFlight), and submission for review.

Check Your Deployment Knowledge

You've learned about the critical steps for preparing and publishing your app. Let's test your understanding of the Android deployment process.

Recap: Your App is Live!

You've covered the comprehensive journey of taking your Flutter app from development to the hands of users on both major platforms!

  • Configured Android project details and signed your app.
  • Built release-ready Android App Bundles.
  • Navigated the Google Play Console for listing and releases.
  • Prepared your iOS project in Xcode.
  • Archived and uploaded to App Store Connect.

Each store has its nuances, but following these steps will get your app published successfully. Congratulations on becoming an app publisher!

よくある質問

「App StoreとPlay Store」レッスンは無料ですか？

はい。「App StoreとPlay Store」の完全なテキストはこのウェブで無料で読めます。インタラクティブに演習し（組み込みコードエディタと24時間対応のAIチューター）、Flutter Mobile Developmentコースの残りをアンロックするには、CoddyKit PROにアップグレードしてください。 Flutter Mobile Developmentコースには全4レッスンが含まれています。

「App StoreとPlay Store」で何を学びますか？

FlutterアプリケーションをApple App StoreとGoogle Play Store向けに準備し、公開するまでの一連のプロセスを学びます。 ブラウザで直接実行するハンズオンコードでFlutter Mobile Developmentを演習し、24時間対応のAIチューターがレッスンを進める中での質問に答えます。

Flutter Mobile Developmentを始めるのに経験は必要ですか？

事前経験は必要ありません。CoddyKitのFlutter Mobile Developmentは初級者から上級者向けに構成されているため、ここから始めるか最初から始めて、自分のペースで進むことができます。 これはレッスン1/4です。

「App StoreとPlay Store」レッスンにはどのくらい時間がかかりますか？

ほとんどのCoddyKitレッスンは約5～10分かかります。各レッスンはコンパクトでインタラクティブなので、着実に進歩し、ウェブとアプリ全体で正確に前回の場所から再開できます。

このFlutter Mobile Developmentレッスンでコードを書いて実行できますか？

はい。すべてのFlutter Mobile Developmentレッスンに組み込みコードエディタが含まれているため、ブラウザでリアルコードを書いて実行し、即座のAIフィードバックを取得できます。ローカル設定は不要です。

このコースのすべてのレッスン

  1. App StoreとPlay Store
  2. パフォーマンスプロファイリング
  3. FlutterのCI/CD
  4. アプリサイズとビルドの最適化
← Flutter Mobile Developmentに戻る