Futter：在 scope 中找不到“kGADAdSizeBanner”

Question

iOS 上的错误：

Cannot find 'kGADAdSizeBanner' in scope

线：

private var adSize: GADAdSize = kGADAdSizeBanner

Package：

native_admob_flutter

额外信息：

Doctor summary (to see all details, run flutter doctor -v):
[✓] Flutter (Channel stable, 2.10.0, on macOS 11.6.2 20G314 darwin-x64, locale en-GB)
[✓] Android toolchain - develop for Android devices (Android SDK version 30.0.3)
[✓] Xcode - develop for iOS and macOS (Xcode 13.2.1)
[✓] Chrome - develop for the web
[✓] Android Studio (version 2020.3)
[✓] VS Code (version 1.62.0)
[✓] Connected device (2 available)
[✓] HTTP Host Availability

• No issues found!

Android 有效。 用于广告（google_mobile_ads）的官方 Flutter package 已完全失效，因此不再可以选择该选项。