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Writing new code in Kotlin is a good start and see how it progresses. I would say the answer is very much yes, but I don't think you have to make a complete migration. I don't mind writing Java but I perfer writing Kotlin and I get so used to the Kotlin idioms that I increasingly find going back to Java unpleasant. I think I would agree with this observation.

Kotlin code is easier to read and maintain according to the majority of the interviewed developers.

This one surprised me a little as this is a different approach to concurrency than Java offers.

Coroutines simplify the implementation of concurrency in Android.

No surprise there - what tool ever does a perfect conversion?

Developers used the auto-converter tool for migrating code, however, the converted code often needs to be manually modified.

are very similar, but d.? Does anyone do what Google tells them? And did no one think that moving to Kotlin might provide some protection from fallout over the Oracle v Google lawsuit?Īnd what advice is there if you are thinking of migrating:

to use a modern program language with new features.

So why migrate at all? The survey concludes that there were four reasons:

lack of time to complete the migration.

only Java code that needs to be modified is migrated.

Of the people who didn't do a complete migration the reasons for not doing so were: Others migrated slowly from one language to the other and partial migrations accounted for 63% of the 214 apps that included Kotlin code. We know from Google that Kotlin is a growing force and it shouldn't be a surprise to learn that of 374 apps 86 (30%) have been 100% migrated to Kotlin - that's a lot of work - or is it? Of the migrated applications, 36% were completely migrated in a single commit. The first question is: How many Android applications have been fully migrated to Kotlin? There is a full account of the methodology in the research paper, but it is worth extracting the main findings and thinking about them a little. Some new research based on an interview technique and a program that analyses code repositories aims to answer the why and the how of Kotlin migration. Not just why, but how? Moving an app from an existing language to a new one isn't something that happens every day, but since the advent of Kotlin it's more common than it was.