Yesterday, Google announced Flutter Release Preview 2, during the keynote of Google Developer Days in Shanghai. This is the final preview before the Google team releases Flutter 1.0. In this preview release, they have expanded support for the “Cupertino” themed controls and executing Dart code in the background and reduced the package size.
Flutter is Google’s new open-source mobile app SDK using which you can quickly create high-quality native interfaces on iOS and Android.
After getting the feedback on Flutter Release Preview 1, this release is designed with keeping Apple interface guidelines in mind. They have expanded support for the “Cupertino” themed controls in Flutter, with an extensive library of widgets and classes. Some of the added iOS-themed widgets are:
In this release, support has been added for executing Dart code in the background, even while the application is suspended.
The application package size is now reduced by up to 30% on both Android and iOS. A minimal Flutter app on Android now weighs just 4.7 MB when built in release mode, and they are continually working towards identifying further potential optimizations.
If you’re using the beta release already, you can upgrade to Flutter Release Preview 2 just by running the following:
$ flutter upgrade
Follow the instructions mentioned on the Flutter blog for upgrading to Flutter Release Preview 2.
To know more about Flutter Preview 2 in detail, check out the official announcement by Google.
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