Plugin doesn't support all Java 8 language features. When building your app using the Android Gradle plugin 3.0.0 and higher, the TargetCompatibility JavaVersion.VERSION_1_8 SourceCompatibility JavaVersion.VERSION_1_8 TargetCompatibility = JavaVersion.VERSION_1_8 SourceCompatibility = JavaVersion.VERSION_1_8 language features (either in its source code or Configure only for each module that uses Java 8 Update the module's adle or file as shown below: Language features (either in its source code or through dependencies), To start using supported Java 8 language features: Java 8 language feature support (Android Gradle Plugin 3.0.0+) Bytecode level 6 has a faster build and fewerįeatures, whereas bytecode level 7 has a balance of features and build speed,Īnd bytecode 8 is more feature rich with slower builds. Note: Your choice of bytecode level is a balance between functionality and build

Java 8 language feature support using desugar

Of class files into DEX code, as shown in figure 1. Implements the new language features by performingīytecode transformations, called desugar, as part of the D8/R8 compilation Language features and third-party libraries that use them. The Android Gradle plugin provides built-in support for using certain Java 8 You can keep your project's source and targetĬompatibility values set to Java 7, but you still need to compile using JDK 8. Note: When developing apps for Android, using Java 8

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