Flutter for Beginners

Using the plugin

To use the plugin package, we start by importing it into our Dart libraries,like any other plugin:

import 'package:hands_on_platform_version/hands_on_platform_version.dart';

The usage follows with the plugin method invocation:

await HandsOnPlatformVersion.platformVersion;

The full example retains the platform version in the _platformVersion field and calls the native code in the initPlatformState() method:

  Future<void> initPlatformState() async { // 1    String platformVersion;    try { // 2      platformVersion = await HandsOnPlatformVersion.platformVersion;    } on PlatformException {      platformVersion = 'Failed to get platform version.';    }    if (!mounted) return; // 3    setState(() {      _platformVersion = platformVersion; // 4    });  }

We can ...