If you're building your app using Android Gradle plugin 4.0.0 or higher, the Java 8+ API desugaring support (Android Gradle Plugin 4.0.0+) Higher and is described in the following section. Partial Java API desugaring is available from Android Gradle Plugin 4.0.0 or *) available for use on older Android releases. Plugin 3.0.0 does not make any additional classes and APIs (such as Java 8+ language features desugaring that is available from Android Gradle If that doesn't work, consider using an alternative library that That library with minSdkVersion 25 or lower, Methods even when they're included in a library dependency. In some cases, your module may not be using the invoke or invokeExact Otherwise, you get theįollowing error: Dex: Error converting bytecode to dex:Ĭause: signature-polymorphic method called without -min-sdk-version >= 26 You need to specify minSdkVersion 26 or higher. If your source code or one of your module dependencies use one of these methods Try-with-resources to all Android API levels. In addition to the Java 8 language features above, plugin versions 3.0.0 In API level 24 and below, but not ElementType.TYPE_USE or Type annotation information is only available at compile time,Īnd not at runtime. Note that Android does not support the serialization of The following language featuresĪre now available on any API level: Java 8 language feature

When building your app using Android Gradle plugin 3.0.0 and higher, the pluginĭoes not support all Java 8 language features. 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

Java 7 update 21