Flutter Mobile Development · 课时

App Store 与 Play Store

学习准备并将 Flutter 应用发布到 Apple App Store 和 Google Play Store 的完整流程。

App Store 与 Play Store 是 CoddyKit 上的免费 Flutter Mobile Development 课时。这是第 1 节课，共 4 节。你可以在下方免费阅读本课时的完整内容 — 然后在浏览器中使用内置代码编辑器和全天候 AI 导师进行实践。这是 Flutter Mobile Development 学习路径的一部分，你的进度在网页和 CoddyKit 应用中同步。 Flutter Mobile Development 课程共包含 4 节课。

本课时的部分内容尚未翻译，以英文显示。

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!

常见问题解答

「App Store 与 Play Store」课时是免费的吗？

是的 — 「App Store 与 Play Store」的完整文本可在网页上免费阅读。要进行交互式练习（内置代码编辑器和全天候 AI 导师）并解锁 Flutter Mobile Development 课程的其余内容，请升级到 CoddyKit PRO。 Flutter Mobile Development 课程共包含 4 节课。

「App Store 与 Play Store」这节课中我会学到什么？

学习准备并将 Flutter 应用发布到 Apple App Store 和 Google Play Store 的完整流程。你通过在浏览器中直接运行的动手代码来练习 Flutter Mobile Development，全天候 AI 导师会在你学习这节课的过程中回答你的问题。

学习 Flutter Mobile Development 需要有经验吗？

无需任何先前经验。CoddyKit 上的 Flutter Mobile Development 课程适合初学者到高级学习者，你可以从这里开始或从头开始，按照自己的节奏学习。这是第 1 节课，共 4 节。

「App Store 与 Play Store」课时需要多长时间？

大多数 CoddyKit 课程大约需要 5–10 分钟。每节课都很精短且互动，所以你能稳步进步，并在网页和应用中从离开的地方继续。

我能在这节 Flutter Mobile Development 课中编写并运行代码吗？

能。每节 Flutter Mobile Development 课都包含内置代码编辑器，你可以在浏览器中直接编写并运行真实代码，并获得即时 AI 反馈 — 无需本地设置。

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