system_device_info 0.0.10
system_device_info: ^0.0.10 copied to clipboard
Get device information plugin .
system_device_info #
一个获取设备信息的插件。目前只添加了获取设备存储空间和可用空间的方法,后续添加更多功能。
使用方法 #
dependencies:
system_device_info: ^0.0.1
🚀 示例 #
import 'package:system_device_info/system_device_info.dart';
import 'package:flutter/material.dart';
import 'dart:async';
import 'package:flutter/services.dart';
import 'package:system_device_info/system_device_info.dart';
import 'dart:math';
void main() {
runApp(const MyApp());
}
class MyApp extends StatefulWidget {
const MyApp({super.key});
@override
State<MyApp> createState() => _MyAppState();
}
class _MyAppState extends State<MyApp> {
final _systemDeviceInfoPlugin = SystemDeviceInfo();
String? _totalSize;
String? _freeSize;
@override
void initState() {
super.initState();
initPlatformState();
}
// Platform messages are asynchronous, so we initialize in an async method.
Future<void> initPlatformState() async {
try {
final totalSize = await _systemDeviceInfoPlugin.totalSize();
final unit = ['B', 'KB', 'MB', 'GB'];
final tp = (log(totalSize!) / log(1000)).floor();
_totalSize = '${(totalSize / pow(1000, tp)).toStringAsFixed(2)}${unit[tp.toInt()]}';
final freeSize = await _systemDeviceInfoPlugin.freeSize();
final tp1 = (log(freeSize!) / log(1000)).floor();
_freeSize = '${(freeSize / pow(1000, tp)).toStringAsFixed(2)}${unit[tp1.toInt()]}';
} on PlatformException {
_totalSize = '0B';
_freeSize = '0B';
}
if (!mounted) return;
setState(() {});
}
@override
Widget build(BuildContext context) {
return MaterialApp(
home: Scaffold(
appBar: AppBar(
title: const Text('Plugin example app'),
),
body: Center(
child: Column(
children: [
Text('total Size : ${_totalSize ?? 0}\n'),
Text('fress Size : ${_freeSize ?? 0}\n'),
],
),
),
),
);
}
}
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