Android Studio 3.0's First Preview Is Now Out

Joan Terry
May 18, 2017

The new version arrives with more than 20 improvements, but Google has put the focus on three major features: "a new suite of app performance profiling tools to quickly diagnose performance issues, support for the Kotlin programming language, and increased Gradle build speeds for large sized app projects". Among a number of other, smaller changes, there is also support for Instant Apps, developers will find a number of new wizard systems on board to make workflow easier, and all Android O development images now include the Play Store, allowing developers to conduct related testing with the app they're developing. Android Studio is now also able to debug apps that weren't built in it, making it useful to all Android developers, even those who don't want to use Android Studio.

Google describes Kotlin, which is an open sourced project under the Apache 2.0 license, as "a brilliantly designed, mature language that we believe will make Android development faster and more fun". Developers will be happy to know that Kotlin's compiler emits Java byte-code. Due to this very reason, Kotlin has already been adopted by several leading app developers such as Expedia, Flipboard, Pinterest, Square, and others. Kotlin includes support for a number of features that Java itself doesn't now support.

Google poised to roll out arsenal of services, gadgets
For starters, the voice-connected speaker now supports hands-free voice calling to any number in the U.S. and Canada for free. Android O is also becoming stricter when it comes what resources apps use while running in the background.

We want to thank Google and the Android team for their trust in Kotlin, but above all we want to thank you, our community, our users. Calling out to Kotlin code from Java code should just work, while calling to Java code requires some automatically applied translation conventions. At that point, JetBrains committed to maintaining backwards compatibility for stable features from 1.0 forward. Starting with Android Studio 3.0, Kotlin is included out-of-the-box, so there are no additional setup steps or add-ons to install.

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