To check your Android version, on your phone navigate to Settings > (scroll all the way down) About phone > Android version. you have a device running Android 12 (S) (API level 31) or later.If you are contemplating cross-platform mobile development, please consult our collection of articles on industry experiences with cross-platform solutions. Exception: if you want to build a 3D game, you’re welcome to use Unit圓D. All course projects must be built natively. The course does not support any cross-platform frameworks, including React Native and Flutter. You can also invoke Java to Kotlin conversion from Android Studio’s menu: Code > Convert Java File to Kotlin File. Android Studio automatically converts Java code pasted into a Kotlin file. For 3rd-party libraries and SDKs, Kotlin can co-exist seamlessly with Java. Google has switched to “Kotlin first” since Google I/O 2019 and Jetpack Compose requires Kotlin. We will develop in Kotlin only, not Java. Recall that all Android-version of the labs do run on the Android emulator, so you don’t need a physical device to complete the labs. We simply don’t have the means (funds and time) to try out all available Android devices in the market to check for compatibility. We can help you debug, but in the end the phone may simply be not up to spec. If you have phones from a different vendor, we cannot guarantee that your phone would be adequately provisioned, or built sufficiently to Google’s spec, to be able to run all of the labs. We know that the labs run on Google’s Pixel 3 or later phones. Even Google doesn’t have the resources to evaluate compatibility on all of them. The last time anybody counted (2015), there were 24,000 different Android devices from 1,300 brands. Given our limited resources, we have tested the labs only on plain Android APIs, as documented in the Android Developers web site. Some vendors add their own OS mods on top of Android, layering a new wrapper or changing the expected behavior of Android APIs. Some phones are better provisioned than others. Some vendors build more closely to Android hardware spec than others.
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