Building games for the next billion

Watch the latest Android Developer Story → https://goo.gl/q5HsRo

Growing markets present an amazing opportunity for game developers to find new users, but they also come with unique set of challenges. Hear from AppOn Innovate, an Indian game studio, on how they build and optimize games for the next billion users.

Love the speed of Parcelable, but don’t like writing all that code? Say hello to Parcelize

Spec: https://github.com/Kotlin/KEEP/blob/master/proposals/extensions/android-parcelable.md

#31DaysOfKotlin

Wear OS by Google developer preview

Today we launched the Wear OS by Google developer preview and brought Android P platform features to wearables. This release includes system images for the official Android emulator as well as Huawei Watch 2 Bluetooth edition. We expect to publish more updates in the coming months prior to production. As always, please give us feedback and bugs at the Android Issues tracker.

To learn how you can download this preview, please check out: goo.gl/7yR5rd

Powerful but hard to use - that’s how the text styling Spans API feels.
Android KTX adds extension functions for some of the most common spans and makes the API easier to use

Android KTX: https://github.com/android/android-ktx/blob/master/src/main/java/androidx/core/text/SpannableStringBuilder.kt

#31DaysOfKotlin

Building a video player app in Android (Part 3 / 5)

Supercharge our Android video player app for users, by using MediaSession and ExoPlayer

Learn more here: https://goo.gl/rbGnec

Complication Data Provider with #WearOSbyGoogle

Watch the full video here → https://goo.gl/VQpg55

Keep your user up to date with key data that they care about with a complication data provider on Wear OS by Google (formerly Android Wear). By exposing the data, developers can gain a piece of the screen real estate that the user wears all day. In this short introduction, we will go through the concepts behind complications and the key APIs to help you get started.

For more information, check out:
Exposing your data to complications Code Lab → https://goo.gl/JWm4SV

Lambdas are sweet. With last parameter call syntax, you can cleanup callbacks, Callable, and Runnable.

For example, Android KTX sweetens `postDelayed` with a small wrapper.

Docs: https://kotlinlang.org/docs/reference/lambdas.html
Android KTX:: https://github.com/android/android-ktx/blob/master/src/main/java/androidx/core/os/Handler.kt#L38

#31DaysOfKotlin

How to win back your subscribers

Tips and tricks → https://goo.gl/LM7Mk9

We often hear that retention is your biggest challenge. In this post we’ve gathered best practices from developers to help you keep your subscribers, and win back those who have churned.

Bundle up, and get ready for the concise bundle creator in Android KTX. No more calls to `putString`, `putInt`, or any of their 20 friends.

One call will make you a new bundle, and it’ll even handle Arrays!

Code: https://github.com/android/android-ktx/blob/master/src/main/java/androidx/core/os/Bundle.kt#L27

#31DaysOfKotlin