[Flutter] Android Studio, Note: Recompile with -Xlint:deprecation for details.

Note: Some input files use or override a deprecated API.
Note: Recompile with -Xlint:deprecation for details.

 

deprecated API가 있다는 노트이며 -Xlint:deprecation옵션을 설정하면 자세한 이유를 확인할 수 있다.

 

project/android/build.gradle

allprojects {
    tasks.withType(JavaCompile) {
        options.compilerArgs << "-Xlint:unchecked" << "-Xlint:deprecation"
    }
    repositories {
        google()
        jcenter()
    }
}

 

플러터에서 pub.dev/packages/google_mobile_ads를 사용하는데 최신 소스는 InterstitialAd가 제거되어 워닝이 발생되었다.

 

pub.dartlang.org/google_mobile_ads-0.12

FlutterInterstitialAd.java:70: warning: [deprecation]

43 warnings

 

구글 Release Notes

VersionRelease DateNotes

20.1.0	2021‑04‑29	Adaptive Banner: Added AdSize.getInlineAdaptiveBannerAdSize() to request inline adaptive banner ads with a maximum height. Added AdError.toString() for easier logging.
20.0.0	2021‑04‑05	This release is a MAJOR version update with several breaking changes. See the prepare for SDK v20 guide for more information on how to migrate. Breaking changes: Removed legacy Interstitial API. Removed legacy RewardedVideoAd API. Removed classes prefixed with Publisher (e.g.: PublisherAdView). Removed CustomRenderedAd. Removed InstreamAd. Removed SearchAdRequest. Removed AdListener.onAdLeftApplication(). Removed NativeAppInstallAd, NativeContentAd, and UnifiedNativeAd. There is now one native ad format named NativeAd. RewardedAd is now an abstract class. Use the RewardedAd.load() static method to load a rewarded ad. Added ad inspector (Beta). Deprecated AdSize.SMART_BANNER in favor of adaptive banner ads. Added explicit nullability annotations on all public APIs.

 

Interstitial API가 제거  되어 발생.