Is it possible to use the Java 8 Stream API on Android API < 24?

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[original answer]

You can not use Java8 streams on API level < 24.

However, there are some libraries that backport some of the stream functionality

https://github.com/aNNiMON/Lightweight-Stream-API

https://github.com/konmik/solid

https://sourceforge.net/projects/streamsupport/ (mentioned by @sartorius in comment)

[update k3b 2019-05-23]

https://github.com/retrostreams/android-retrostreams is a spinoff from streamsupport which takes advantage of Android Studio 3.x D8 / desugar toolchain’s capability to use interface default & static methods across Jar file boundaries. There are also links to other android-retroXXX ie for CompletableFuture.

[update aeracode 2020-07-24]

Good news, now we can use Java 8 Stream API and more without requiring a minimum API level.

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