Use Java 8 language features and APIs | Android Studio | Android Developers

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[DecoyMaker]

“coreLibraryDesugaring”

[teracy_junk]

『In order to use the new Java 8 language features, you need to also use the new Jack toolchain.』

[teppeis]

Androidの新しいコンパイラJackがラムダなど一部のJava 8機能に対応

[gfx]

jackでラムダとデフォルトインターフェイスメソッドとアノテーションの繰り返しをサポート。古いAndroid向けでも動く。ビルドにはJDK8が必須に。