yunxin_alog #

这是一个新的Flutter项目。

开始使用 #

此项目是一个用于Flutter的插件包， 它包含适用于Android和/或iOS的特定平台实现代码。

有关如何开始使用Flutter的帮助信息，请参阅我们的 在线文档，其中包含教程、示例、移动开发指南以及完整的API参考。

example/lib/main.dart

import 'dart:async';
import 'dart:io';
import ‘package:flutter/foundation.dart’;
import ‘package:flutter/material.dart’;
import ‘package:yunxin_alog/yunxin_alog.dart’;
import ‘package:path_provider/path_provider.dart’;
void main() {
runApp(
MaterialApp(
title: ‘日志收集与分析’,
home: FlutterDemo(storage: CounterStorage()),
),
);
}
class CounterStorage {
Future<String> get _localPath async {
final directory = await getApplicationDocumentsDirectory();
return directory.path;
}
Future<File> get _localFile async {
final path = await _localPath;
return File(’$path/counter.txt’);
}
Future<int> readCounter() async {
try {
final file = await _localFile;
  // 读取文件
  String contents = await file.readAsString();

  return int.parse(contents);
} catch (e) {
  // 如果遇到错误，则返回0
  return 0;
}
}
Future<File> writeCounter(int counter) async {
final file = await _localFile;
// 写入文件
return file.writeAsString('$counter');
}
}
class FlutterDemo extends StatefulWidget {
final CounterStorage storage;
const FlutterDemo({required this.storage});
@override
_FlutterDemoState createState() => _FlutterDemoState();
}
class _FlutterDemoState extends State<FlutterDemo> {
int _counter = 0;
@override
void initState() {
super.initState();
widget.storage._localPath.then((value) => print(
‘初始化—: $value,${Alog.init(ALogLevel.verbose, value, ‘flog_roomkit’)}’));
widget.storage.readCounter().then((int value) {
setState(() {
_counter = value;
});
});
}
Future<void> _incrementCounter() async {
setState(() {
_counter++;
});
var startTime = currentTimeMillis();
print(‘开始时间: $startTime’);
for (var i = 0; i < 100*100; i++) {
Alog.v(tag: ‘111’, content: ‘_counter$_counter’); // 记录详细日志
Alog.d(tag: ‘222’, content: ‘_counter$_counter’); // 记录调试日志
}
var pt = currentTimeMillis() - startTime;
print(‘耗时: $pt’);
// 将变量写入文件。
// return widget.storage.writeCounter(_counter);
}
static int currentTimeMillis() {
return new DateTime.now().millisecondsSinceEpoch;
}
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(title: Text(‘日志收集与分析’)),
body: Center(
child: Text(
‘按钮点击了 $_counter 次。’,
),
),
floatingActionButton: FloatingActionButton(
onPressed: _incrementCounter,
tooltip: ‘增加’,
child: Icon(Icons.add),
),
);
}
}