cr_logger 0.9.19 
cr_logger: ^0.9.19 copied to clipboard
cleveroad.comPowerful logging plugin. Supports android, ios and web platforms.
import 'dart:async';
import 'dart:convert';
import 'dart:io';
import 'package:cr_logger/cr_logger.dart';
import 'package:cr_logger_example/generated/assets.dart';
import 'package:cr_logger_example/rest_client.dart';
import 'package:cr_logger_example/widgets/example_btn.dart';
import 'package:flutter/foundation.dart';
import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:flutter_dropzone/flutter_dropzone.dart';
import 'package:logger/logger.dart';
import 'package:share_plus/share_plus.dart';
import 'package:worker_manager/worker_manager.dart';
String? proxyIpAndPortString;
Future<void> main() async {
// Call this first if main function is async
WidgetsFlutterBinding.ensureInitialized();
// Warmup executor, used for convenient usage of Isolates, without manual
// creation and management of isolates.
await Executor().warmUp();
// First! Initialize logger
await CRLoggerInitializer.instance.init(
theme: ThemeData.light(),
levelColors: {
Level.debug: Colors.grey.shade300,
Level.warning: Colors.orange,
},
hiddenFields: [
'token',
],
logFileName: 'my_logs',
);
// Second! Define the callbacks
CRLoggerInitializer.instance.onLogout = () async {
// logout simulation
await Future.delayed(const Duration(seconds: 1));
};
CRLoggerInitializer.instance.onProxyChanged = (ProxyModel proxyModel) {
proxyIpAndPortString = proxyModel.ipAndPortString;
RestClient.instance.enableDioProxyForCharles(proxyModel);
};
CRLoggerInitializer.instance.onGetProxyFromDB = () {
return ProxyModel.fromString(proxyIpAndPortString ?? '');
};
CRLoggerInitializer.instance.onShareLogsFile = (path) async {
await Share.shareFiles([path]);
};
// Third! Define the variables
CRLoggerInitializer.instance.buildType = 'release';
CRLoggerInitializer.instance.endpoints = ['https/cr_logger/example/'];
final proxy = ProxyModel.fromString(proxyIpAndPortString ?? '');
if (proxy != null) {
RestClient.instance.enableDioProxyForCharles(proxy);
}
// Provide isolated execution callback for other CrLogger functions
// (e.g. printing logs)
CRLoggerInitializer.instance.handleFunctionInIsolate = (fun, data) async {
return await Executor().execute(
arg1: data,
fun1: fun,
);
};
// Provide isolated execution callback for parsing json string in CrLogger.
CRLoggerInitializer.instance.parseiOSJsonStringInIsolate = (fun, json) async {
return await Executor().execute(
arg1: json,
fun1: fun,
);
};
runApp(const MyApp());
}
class MyApp extends StatelessWidget {
const MyApp({Key? key}) : super(key: key);
@override
Widget build(BuildContext context) {
return MaterialApp(
home: const MainPage(),
builder: (context, child) => CrInspector(child: child!),
theme: ThemeData(fontFamily: 'Epilogue'),
);
}
}
class MainPage extends StatefulWidget {
const MainPage({
Key? key,
}) : super(key: key);
@override
_MainPageState createState() => _MainPageState();
}
class _MainPageState extends State<MainPage> {
static const platform = MethodChannel('com.cleveroad.cr_logger_example/logs');
final _debouncer = Debouncer(100);
late DropzoneViewController _dropCtrl;
bool _dragging = false;
@override
void initState() {
// Third! Initialize debug button
CRLoggerInitializer.instance.showDebugButton(
context,
left: 16,
);
/// Type notifiers
final integerNotifier = ValueNotifier<int>(0);
final doubleNotifier = ValueNotifier<double>(0);
final boolNotifier = ValueNotifier<bool>(false);
final stringNotifier = ValueNotifier<String>('integer: ');
/// Widget notifiers
final iconNotifier = ValueNotifier<Icon>(const Icon(Icons.clear));
final textNotifier = ValueNotifier<Text>(const Text('Widget text'));
/// Type notifiers changes
Timer.periodic(const Duration(seconds: 1), (_) => integerNotifier.value++);
Timer.periodic(const Duration(milliseconds: 1), (_) {
doubleNotifier
..value += 0.1
..value = double.parse(doubleNotifier.value.toStringAsFixed(3));
});
Timer.periodic(const Duration(seconds: 1),
(_) => boolNotifier.value = !boolNotifier.value);
Timer.periodic(const Duration(seconds: 1),
(_) => stringNotifier.value = 'number: ${integerNotifier.value}');
/// Widget notifiers changes
Timer.periodic(
const Duration(seconds: 1),
(_) => Icon(boolNotifier.value
? Icons.airline_seat_flat
: Icons.airline_seat_flat_angled),
);
Timer.periodic(
const Duration(seconds: 1),
(_) => iconNotifier.value = Icon(boolNotifier.value
? Icons.airline_seat_flat
: Icons.airline_seat_flat_angled),
);
Timer.periodic(
const Duration(seconds: 1),
(_) => textNotifier.value = Text(
'Widget text',
style: TextStyle(
color: Colors.black,
fontSize: 16,
fontWeight: boolNotifier.value ? FontWeight.bold : FontWeight.normal,
fontFamily: 'Epilogue',
),
),
);
CRLoggerInitializer.instance
.popupItemAddNotifier('Integer', integerNotifier);
CRLoggerInitializer.instance.popupItemAddNotifier('Double', doubleNotifier);
CRLoggerInitializer.instance.popupItemAddNotifier('Bool', boolNotifier);
CRLoggerInitializer.instance.popupItemAddNotifier('String', stringNotifier);
CRLoggerInitializer.instance.popupItemAddNotifier('Icon', iconNotifier);
CRLoggerInitializer.instance.popupItemAddNotifier('Text', textNotifier);
/// Actions
CRLoggerInitializer.instance
.popupItemAddAction('Log Hi', () => log.i('Hi'));
CRLoggerInitializer.instance
.popupItemAddAction('Log By', () => log.i('By'));
super.initState();
}
@override
Widget build(BuildContext context) {
return Scaffold(
backgroundColor: const Color(0xFFF3F5F6),
body: SafeArea(
child: Column(
children: <Widget>[
const SizedBox(height: 20),
const Text(
'CR Logger example app',
style: TextStyle(
fontSize: 17,
fontWeight: FontWeight.w600,
),
),
const SizedBox(height: 28),
Expanded(
child: Center(
child: SingleChildScrollView(
padding: const EdgeInsets.symmetric(horizontal: 16),
child: ConstrainedBox(
constraints: const BoxConstraints(maxWidth: 592),
child: Column(
children: [
if (kIsWeb) ...[
Container(
height: 200,
decoration: BoxDecoration(
color: _dragging
? Colors.white.withOpacity(0.4)
: Colors.white,
borderRadius: BorderRadius.circular(10),
),
child: Stack(
children: [
const Center(
child: Text(
'drop logs here',
style: TextStyle(
fontWeight: FontWeight.w500,
fontSize: 14,
color: Colors.black,
),
),
),
///TODO Check it later
/// For some reason, the Inspector package cannot
/// get the color if there is a [DropzoneView]
/// on the screen and throws an error
/// (probably due to the flatter)
/// if the [DropzoneView] is not assigned
/// a new key each time.
/// Because of this, frequent rebuilds
/// of the widget and constant firing
/// of callbacks can occur.
/// For this reason, a debouncer is now used to avoid this.
DropzoneView(
key: UniqueKey(),
operation: DragOperation.move,
onCreated: (ctrl) => _dropCtrl = ctrl,
onDrop: _onDrop,
onHover: () {
_debouncer.dispose();
if (!_dragging) {
setState(() => _dragging = true);
}
},
onLeave: () {
_debouncer.run(() {
setState(() => _dragging = false);
});
},
),
],
),
),
const SizedBox(height: 12),
],
Row(
children: [
Expanded(
child: ExampleBtn(
text: 'Make HTTP request',
assetName: Assets.assetsIcHttp,
onTap: _makeHttpRequest,
),
),
const SizedBox(width: 12),
Expanded(
child: ExampleBtn(
text: 'Make JSON log',
assetName: Assets.assetsIcJson,
onTap: _makeLogJson,
),
),
],
),
const SizedBox(height: 12),
Row(
children: [
Expanded(
child: ExampleBtn(
text: 'Log debug',
assetName: Assets.assetsIcDebug,
onTap: _makeLogDebug,
),
),
const SizedBox(width: 12),
Expanded(
child: ExampleBtn(
text: 'Log debug native',
assetName: Assets.assetsIcDebugNative,
onTap: kIsWeb ? null : _makeLogDebugNative,
),
),
],
),
const SizedBox(height: 12),
Row(
children: [
Expanded(
child: ExampleBtn(
text: 'Log warning',
assetName: Assets.assetsIcWarning,
onTap: _makeLogWarning,
),
),
const SizedBox(width: 12),
Expanded(
child: ExampleBtn(
text: 'Log warning native',
assetName: _getWarningNativeAsset(),
onTap: kIsWeb ? null : _makeLogWarningNative,
),
),
],
),
const SizedBox(height: 12),
Row(
children: [
Expanded(
child: ExampleBtn(
text: 'Log error',
assetName: Assets.assetsIcError,
onTap: _makeLogError,
),
),
const SizedBox(width: 12),
Expanded(
child: ExampleBtn(
text: 'Log error native',
assetName: _getErrorNativeAsset(),
onTap: kIsWeb ? null : _makeLogErrorNative,
),
),
],
),
const SizedBox(height: 12),
Row(
children: [
const Expanded(child: SizedBox()),
const SizedBox(width: 12),
Expanded(
child: ExampleBtn(
text: 'Make native JSON log',
assetName: _getErrorNativeAsset(),
onTap: kIsWeb ? null : _makeNativeLogJson,
),
),
],
),
const SizedBox(height: 12),
ElevatedButton(
style: ElevatedButton.styleFrom(
primary: Colors.blueGrey,
),
onPressed: () => _toggleDebugButton(context),
child: const Text(
'Toggle debug button',
style: TextStyle(
fontWeight: FontWeight.w500,
fontSize: 14,
color: Colors.white,
),
),
),
],
),
),
),
),
),
],
),
),
);
}
void _toggleDebugButton(BuildContext context) {
if (CRLoggerInitializer.instance.isDebugButtonDisplayed) {
CRLoggerInitializer.instance.dismissDebugButton();
} else {
CRLoggerInitializer.instance.showDebugButton(
context,
left: 16,
);
}
}
Future<void> _makeHttpRequest() async {
final queryParameters = <String, dynamic>{};
for (var i = 0; i < 2; ++i) {
queryParameters.addAll(<String, dynamic>{
'null_$i': null,
'bool_$i': true,
'int_$i': 256,
'double_$i': 1.23,
'string_$i': 'text',
'map_$i': {
'int': 256,
'double': 1.23,
'string': 'text',
},
'array_$i': [0, 1, 2, 3, 4, 5, 6, 7, 8, 9],
});
}
await RestClient.instance.dio.get(
'https://httpbin.org/json',
queryParameters: queryParameters,
);
}
String _getWarningNativeAsset() {
if (kIsWeb) {
return Assets.assetsIcWarning;
} else if (Platform.isIOS) {
return Assets.assetsIcWarningIos;
} else {
return Assets.assetsIcWarningAndroid;
}
}
String _getErrorNativeAsset() {
if (kIsWeb) {
return Assets.assetsIcError;
} else if (Platform.isIOS) {
return Assets.assetsIcErrorIos;
} else {
return Assets.assetsIcErrorAndroid;
}
}
void _makeLogDebug() {
log
..d('Debug message at ${DateTime.now().toIso8601String()}')
..v('Verbose message at ${DateTime.now().toIso8601String()}');
}
void _makeLogJson() {
final data = {
'a': 1,
'b': 2,
'c': 3,
'str1': 'string1',
'str2': 'string2',
'tempData': {
'a': 1,
'b': 2,
'c': 3,
'str1': 'string1',
'str2': 'string2',
}
};
log
..d(data)
..i(data)
..e(data);
}
void _makeLogWarning() {
log
..w('Warning message at ${DateTime.now().toIso8601String()}')
..i('Info message at ${DateTime.now().toIso8601String()}');
}
void _makeLogError() {
log
..e('Error message at ${DateTime.now().toIso8601String()}',
const HttpException('message'))
..wtf('Wtf message at ${DateTime.now().toIso8601String()}');
}
void _makeLogDebugNative() {
platform.invokeMethod('debug');
}
void _makeLogWarningNative() {
platform.invokeMethod('info');
}
void _makeLogErrorNative() {
platform.invokeMethod('error');
}
void _makeNativeLogJson() {
platform.invokeMethod('logJson');
}
Future<void> _onDrop(dynamic value) async {
final bytes = await _dropCtrl.getFileData(value);
try {
final json = await compute(jsonDecode, utf8.decode(bytes));
await CRLoggerInitializer.instance.createLogsFromJson(json);
ScaffoldMessenger.of(context).showSnackBar(
const SnackBar(
content: Text('Logs successfully imported'),
),
);
} catch (ex) {
ScaffoldMessenger.of(context).showSnackBar(
const SnackBar(
content: Text('Unsupported file'),
),
);
}
setState(() {
_dragging = false;
});
}
}
class Debouncer {
Debouncer(this.milliseconds);
final int milliseconds;
Timer? _timer;
void run(VoidCallback action) {
dispose();
_timer = Timer(Duration(milliseconds: milliseconds), action);
}
void dispose() {
_timer?.cancel();
}
}Metadata
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likes
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pub points
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popularity
Publisher
Metadata
Powerful logging plugin. Supports android, ios and web platforms.
Repository (GitHub)
View/report issues
Documentation
License
MIT (LICENSE)
Dependencies
app_settings, chopper, cr_json_widget, dio, flutter, flutter_web_plugins, http, inspector, js, logger, package_info_plus, path_provider, platform, split_view, synchronized, uuid
