led 0.0.1 copy "led: ^0.0.1" to clipboard
led: ^0.0.1 copied to clipboard

PlatformAndroid

安装设备led灯控制

example/lib/main.dart

import 'package:flutter/material.dart';
import 'dart:async';

import 'package:flutter/services.dart';
import 'package:led/led.dart';

void main() {
  runApp(const MyApp());
}

class MyApp extends StatefulWidget {
  const MyApp({super.key});

  @override
  State<MyApp> createState() => _MyAppState();
}

class _MyAppState extends State<MyApp> {
  String _platformVersion = 'Unknown';
  final _ledPlugin = Led();

  int state = 1;

  @override
  void initState() {
    super.initState();
    initPlatformState();
  }

  // Platform messages are asynchronous, so we initialize in an async method.
  Future<void> initPlatformState() async {
    String platformVersion;
    // Platform messages may fail, so we use a try/catch PlatformException.
    // We also handle the message potentially returning null.
    try {
      platformVersion =
          await _ledPlugin.getPlatformVersion() ?? 'Unknown platform version';
    } on PlatformException {
      platformVersion = 'Failed to get platform version.';
    }

    // If the widget was removed from the tree while the asynchronous platform
    // message was in flight, we want to discard the reply rather than calling
    // setState to update our non-existent appearance.
    if (!mounted) return;

    setState(() {
      _platformVersion = platformVersion;
    });
  }

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      home: Scaffold(
        appBar: AppBar(
          title: const Text('Plugin example app'),
        ),
        body: Center(
          child: Text('Running on: $_platformVersion\n'),
        ),
        floatingActionButton: FloatingActionButton(
          onPressed: ()async{
            try{
              if(state==1){
                state=0;
              }else if(state==0){
                state=1;
              }
              await _ledPlugin.setLedState("/sys/class/leds/blue/brightness", state);
              setState(() {

              });
            }catch(e){
              print('Error: $e');
            }
           
          },
          child: const Icon(Icons.add),
        ),
      ),
    );
  }
}
0
likes
140
points
15
downloads

Publisher

unverified uploader

Weekly Downloads

安装设备led灯控制

Documentation

API reference

License

Apache-2.0 (license)

Dependencies

flutter, plugin_platform_interface

More

Packages that depend on led

Packages that implement led