Flutter uses a flexible system that allows you to call platform-specific APIs in a language that works directly with those APIs: Kotlin or Java on Android.
Read moreDo you need coding for Flutter?
Of course, Flutter having its own programming language means that to get your app developed, you’ll need developers to code in Dart . However, Dart is quite similar to Java, . Net, Kotlin, Swift or JavaScript and it’s relatively easy to learn.
Read moreWhich Java is required for flutter?
Requirements to create Flutter project Java 11 JDK installed and set in system environment variables. Flutter and Dart extension installed. Connected Device with laptop for run and test flutter applications.
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