This is where Google's Flutter UI framework kicks in. Find out how to build a cross platform 'Hello World' app, using Flutter and Dart.

With IO around the corner, it's a good time to take a look at Google's cross-platform mobile development platform - on Android Studio and on Visual Studio Code.

Flutter is Google's UI framework for building iOS, Android, Fuchsia, the web and now more desktop apps. The promise of Flutter is that developers can target multiple platforms with a single code base.

In Android Studio Giraffe and newer, you can find a new “Android SDK Upgrade Assistant,” which walks you through the changes you need to make to upgrade your app to a newer version of Android.

Flutter is Google’s open source toolkit for helping developers build iOS and Android apps. It’s not necessarily a household name yet, but it’s also less than a year old and, to some degree ...