sentry_flutter 8.10.1 
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sentry.ioSentry SDK for Flutter. This package aims to support different Flutter targets by relying on the many platforms supported by Sentry with native SDKs.
// ignore_for_file: library_private_types_in_public_api
import 'dart:async';
import 'dart:convert';
import 'dart:math';
import 'package:dio/dio.dart';
import 'package:feedback/feedback.dart' as feedback;
import 'package:flutter/foundation.dart';
import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:logging/logging.dart';
import 'package:path_provider/path_provider.dart';
import 'package:provider/provider.dart';
import 'package:sentry_dio/sentry_dio.dart';
import 'package:sentry_drift/sentry_drift.dart';
import 'package:sentry_flutter/sentry_flutter.dart';
import 'package:sentry_hive/sentry_hive.dart';
import 'package:sentry_isar/sentry_isar.dart';
import 'package:sentry_logging/sentry_logging.dart';
import 'package:sentry_sqflite/sentry_sqflite.dart';
import 'package:sqflite/sqflite.dart';
// import 'package:sqflite_common_ffi/sqflite_ffi.dart';
// import 'package:sqflite_common_ffi_web/sqflite_ffi_web.dart';
import 'package:universal_platform/universal_platform.dart';
import 'auto_close_screen.dart';
import 'drift/connection/connection.dart';
import 'drift/database.dart';
import 'isar/user.dart';
// ATTENTION: Change the DSN below with your own to see the events in Sentry. Get one at sentry.io
const String exampleDsn =
'https://e85b375ffb9f43cf8bdf9787768149e0@o447951.ingest.sentry.io/5428562';
/// This is an exampleUrl that will be used to demonstrate how http requests are captured.
const String exampleUrl = 'https://jsonplaceholder.typicode.com/todos/';
const _channel = MethodChannel('example.flutter.sentry.io');
var _isIntegrationTest = false;
final GlobalKey<NavigatorState> navigatorKey = GlobalKey<NavigatorState>();
Future<void> main() async {
await setupSentry(
() => runApp(
SentryWidget(
child: DefaultAssetBundle(
bundle: SentryAssetBundle(),
child: const MyApp(),
),
),
),
exampleDsn,
);
}
Future<void> setupSentry(
AppRunner appRunner,
String dsn, {
bool isIntegrationTest = false,
BeforeSendCallback? beforeSendCallback,
}) async {
await SentryFlutter.init(
(options) {
options.dsn = exampleDsn;
options.tracesSampleRate = 1.0;
options.profilesSampleRate = 1.0;
options.reportPackages = false;
options.addInAppInclude('sentry_flutter_example');
options.considerInAppFramesByDefault = false;
options.attachThreads = true;
options.enableWindowMetricBreadcrumbs = true;
options.addIntegration(LoggingIntegration(minEventLevel: Level.INFO));
options.sendDefaultPii = true;
options.reportSilentFlutterErrors = true;
options.attachScreenshot = true;
options.screenshotQuality = SentryScreenshotQuality.low;
options.attachViewHierarchy = true;
// We can enable Sentry debug logging during development. This is likely
// going to log too much for your app, but can be useful when figuring out
// configuration issues, e.g. finding out why your events are not uploaded.
options.debug = true;
options.spotlight = Spotlight(enabled: true);
options.enableTimeToFullDisplayTracing = true;
options.enableMetrics = true;
options.maxRequestBodySize = MaxRequestBodySize.always;
options.maxResponseBodySize = MaxResponseBodySize.always;
options.navigatorKey = navigatorKey;
options.experimental.replay.sessionSampleRate = 1.0;
options.experimental.replay.onErrorSampleRate = 1.0;
_isIntegrationTest = isIntegrationTest;
if (_isIntegrationTest) {
options.dist = '1';
options.environment = 'integration';
options.beforeSend = beforeSendCallback;
}
},
// Init your App.
appRunner: appRunner,
);
}
class MyApp extends StatefulWidget {
const MyApp({super.key});
@override
_MyAppState createState() => _MyAppState();
}
class _MyAppState extends State<MyApp> {
@override
Widget build(BuildContext context) {
Future.delayed(const Duration(seconds: 3), () {
SentryFlutter.reportFullyDisplayed();
});
return feedback.BetterFeedback(
child: ChangeNotifierProvider<ThemeProvider>(
create: (_) => ThemeProvider(),
child: Builder(
builder: (context) => MaterialApp(
navigatorKey: navigatorKey,
navigatorObservers: [
SentryNavigatorObserver(),
],
theme: Provider.of<ThemeProvider>(context).theme,
home: const MainScaffold(),
),
),
),
);
}
}
class TooltipButton extends StatelessWidget {
final String text;
final String buttonTitle;
final void Function()? onPressed;
const TooltipButton({
required this.onPressed,
required this.buttonTitle,
required this.text,
super.key,
});
@override
Widget build(BuildContext context) {
return Tooltip(
message: text,
child: ElevatedButton(
onPressed: onPressed,
key: key,
child: Text(buttonTitle),
),
);
}
}
class MainScaffold extends StatelessWidget {
const MainScaffold({
super.key,
});
@override
Widget build(BuildContext context) {
final themeProvider = Provider.of<ThemeProvider>(context);
var icon = Icons.light_mode;
var theme = ThemeData.light();
if (themeProvider.theme.brightness == Brightness.light) {
icon = Icons.dark_mode;
theme = ThemeData.dark();
}
return Scaffold(
appBar: AppBar(
title: const Text('Sentry Flutter Example'),
actions: [
IconButton(
onPressed: () {
themeProvider.theme = theme;
},
icon: Icon(icon),
),
IconButton(
onPressed: () {
themeProvider.updatePrimaryColor(Colors.orange);
},
icon: const Icon(Icons.circle, color: Colors.orange),
),
IconButton(
onPressed: () {
themeProvider.updatePrimaryColor(Colors.green);
},
icon: const Icon(Icons.circle, color: Colors.lime),
),
],
),
body: SingleChildScrollView(
child: Column(
children: [
if (_isIntegrationTest) const IntegrationTestWidget(),
const Center(child: Text('Trigger an action.\n')),
const Padding(
padding: EdgeInsets.all(15), //apply padding to all four sides
child: Center(
child: Text(
'Long press a button to see more information. (hover on web)'),
),
),
TooltipButton(
onPressed: () => navigateToAutoCloseScreen(context),
text:
'Pushes a screen and creates a transaction named \'AutoCloseScreen\' with a child span that finishes after 3 seconds. \nAfter the screen has popped the transaction can then be seen on the performance page.',
buttonTitle: 'Route Navigation Observer',
),
if (!UniversalPlatform.isWeb)
TooltipButton(
onPressed: driftTest,
text:
'Executes CRUD operations on an in-memory with Drift and sends the created transaction to Sentry.',
buttonTitle: 'drift',
),
if (!UniversalPlatform.isWeb)
TooltipButton(
onPressed: hiveTest,
text:
'Executes CRUD operations on an in-memory with Hive and sends the created transaction to Sentry.',
buttonTitle: 'hive',
),
if (!UniversalPlatform.isWeb)
TooltipButton(
onPressed: isarTest,
text:
'Executes CRUD operations on an in-memory with Isar and sends the created transaction to Sentry.',
buttonTitle: 'isar',
),
TooltipButton(
onPressed: sqfliteTest,
text:
'Executes CRUD operations on an in-memory with Hive and sends the created transaction to Sentry.',
buttonTitle: 'sqflite',
),
TooltipButton(
onPressed: () => SecondaryScaffold.openSecondaryScaffold(context),
text:
'Demonstrates how the router integration adds a navigation event to the breadcrumbs that can be seen when throwing an exception for example.',
buttonTitle: 'Open another Scaffold',
),
const TooltipButton(
onPressed: tryCatch,
key: Key('dart_try_catch'),
text: 'Creates a caught exception and sends it to Sentry.',
buttonTitle: 'Dart: try catch',
),
TooltipButton(
onPressed: () => Scaffold.of(context)
.showBottomSheet((context) => const Text('Scaffold error')),
text:
'Creates an uncaught exception and sends it to Sentry. This demonstrates how our flutter error integration catches unhandled exceptions.',
buttonTitle: 'Flutter error : Scaffold.of()',
),
TooltipButton(
// Warning : not captured if a debugger is attached
// https://github.com/flutter/flutter/issues/48972
onPressed: () => throw Exception('Throws onPressed'),
text:
'Creates an uncaught exception and sends it to Sentry. This demonstrates how our flutter error integration catches unhandled exceptions.',
buttonTitle: 'Dart: throw onPressed',
),
TooltipButton(
// Warning : not captured if a debugger is attached
// https://github.com/flutter/flutter/issues/48972
onPressed: () {
assert(false, 'assert failure');
},
text:
'Creates an uncaught exception and sends it to Sentry. This demonstrates how our flutter error integration catches unhandled exceptions.',
buttonTitle: 'Dart: assert',
),
// Calling the SDK with an appRunner will handle errors from Futures
// in SDKs runZonedGuarded onError handler
TooltipButton(
onPressed: () async => asyncThrows(),
text:
'Creates an async uncaught exception and sends it to Sentry. This demonstrates how our flutter error integration catches unhandled exceptions.',
buttonTitle: 'Dart: async throws',
),
TooltipButton(
onPressed: () async => {
await Future.microtask(
() => throw StateError('Failure in a microtask'),
)
},
text:
'Creates an uncaught exception in a microtask and sends it to Sentry. This demonstrates how our flutter error integration catches unhandled exceptions.',
buttonTitle: 'Dart: Fail in microtask',
),
TooltipButton(
onPressed: () async => {
await compute(loop, 10),
},
text:
'Creates an uncaught exception in a compute isolate and sends it to Sentry. This demonstrates how our flutter error integration catches unhandled exceptions.',
buttonTitle: 'Dart: Fail in compute',
),
TooltipButton(
onPressed: () async => {
await Future.delayed(
const Duration(milliseconds: 100),
() => throw StateError('Failure in a Future.delayed'),
),
},
text:
'Creates an uncaught exception in a Future.delayed and sends it to Sentry. This demonstrates how our flutter error integration catches unhandled exceptions.',
buttonTitle: 'Throws in Future.delayed',
),
TooltipButton(
onPressed: () {
// modeled after a real exception
FlutterError.onError?.call(
FlutterErrorDetails(
exception: Exception('A really bad exception'),
silent: false,
context:
DiagnosticsNode.message('while handling a gesture'),
library: 'gesture',
informationCollector: () => [
DiagnosticsNode.message(
'Handler: "onTap" Recognizer: TapGestureRecognizer'),
DiagnosticsNode.message(
'Handler: "onTap" Recognizer: TapGestureRecognizer'),
DiagnosticsNode.message(
'Handler: "onTap" Recognizer: TapGestureRecognizer'),
],
),
);
},
text:
'Creates a FlutterError and passes it to FlutterError.onError callback. This demonstrates how our flutter error integration catches unhandled exceptions.',
buttonTitle: 'Capture from FlutterError.onError',
),
TooltipButton(
onPressed: () {
// Only usable on Flutter >= 3.3
// and needs the following additional setup:
// options.addIntegration(OnErrorIntegration());
(WidgetsBinding.instance.platformDispatcher as dynamic)
.onError
?.call(
Exception('PlatformDispatcher.onError'),
StackTrace.current,
);
},
text:
'This is only usable on Flutter >= 3.3 and requires additional setup: options.addIntegration(OnErrorIntegration());',
buttonTitle: 'Capture from PlatformDispatcher.onError',
),
TooltipButton(
onPressed: () => makeWebRequest(context),
text:
'Attaches web request related spans to the transaction and send it to Sentry.',
buttonTitle: 'Dart: Web request',
),
TooltipButton(
onPressed: () => makeWebRequestWithDio(context),
key: const Key('dio_web_request'),
text:
'Attaches web request related spans to the transaction and send it to Sentry.',
buttonTitle: 'Dio: Web request',
),
TooltipButton(
onPressed: () => showDialogWithTextAndImage(context),
text:
'Attaches asset bundle related spans to the transaction and send it to Sentry.',
buttonTitle: 'Flutter: Load assets',
),
TooltipButton(
onPressed: () {
// ignore: avoid_print
print('A print breadcrumb');
Sentry.captureMessage('A message with a print() Breadcrumb');
},
text:
'Sends a captureMessage to Sentry with a breadcrumb created by a print() statement.',
buttonTitle: 'Record print() as breadcrumb',
),
TooltipButton(
onPressed: () {
Sentry.captureMessage(
'This event has an extra tag',
withScope: (scope) {
scope.setTag('foo', 'bar');
},
);
},
text:
'Sends the capture message event with additional Tag to Sentry.',
buttonTitle: 'Capture message with scope with additional tag',
),
TooltipButton(
onPressed: () async {
final transaction = Sentry.getSpan() ??
Sentry.startTransaction(
'myNewTrWithError3',
'myNewOp',
description: 'myTr myOp',
);
transaction.setTag('myTag', 'myValue');
transaction.setData('myExtra', 'myExtraValue');
await Future.delayed(const Duration(milliseconds: 50));
final span = transaction.startChild(
'childOfMyOp',
description: 'childOfMyOp span',
);
span.setTag('myNewTag', 'myNewValue');
span.setData('myNewData', 'myNewDataValue');
await Future.delayed(const Duration(milliseconds: 70));
await span.finish(status: const SpanStatus.resourceExhausted());
await Future.delayed(const Duration(milliseconds: 90));
final spanChild = span.startChild(
'childOfChildOfMyOp',
description: 'childOfChildOfMyOp span',
);
await Future.delayed(const Duration(milliseconds: 110));
spanChild.startChild(
'unfinishedChild',
description: 'I wont finish',
);
await spanChild.finish(
status: const SpanStatus.internalError());
await Future.delayed(const Duration(milliseconds: 50));
// findPrimeNumber(1000000); // Uncomment to see it with profiling
await transaction.finish(status: const SpanStatus.ok());
},
text:
'Creates a custom transaction, adds child spans and send them to Sentry.',
buttonTitle: 'Capture transaction',
),
TooltipButton(
onPressed: () {
Sentry.captureMessage(
'This message has an attachment',
withScope: (scope) {
const txt = 'Lorem Ipsum dolor sit amet';
scope.addAttachment(
SentryAttachment.fromIntList(
utf8.encode(txt),
'foobar.txt',
contentType: 'text/plain',
),
);
},
);
},
text: 'Sends the capture message with an attachment to Sentry.',
buttonTitle: 'Capture message with attachment',
),
TooltipButton(
onPressed: () {
feedback.BetterFeedback.of(context).show(
(feedback.UserFeedback feedback) {
Sentry.captureMessage(
feedback.text,
withScope: (scope) {
final entries = feedback.extra?.entries;
if (entries != null) {
for (final extra in entries) {
// ignore: deprecated_member_use
scope.setExtra(extra.key, extra.value);
}
}
scope.addAttachment(
SentryAttachment.fromUint8List(
feedback.screenshot,
'feedback.png',
contentType: 'image/png',
),
);
},
);
},
);
},
text:
'Sends the capture message with an image attachment to Sentry.',
buttonTitle: 'Capture message with image attachment',
),
TooltipButton(
onPressed: () async {
final id = await Sentry.captureMessage('UserFeedback');
final screenshot = await SentryFlutter.captureScreenshot();
if (!context.mounted) return;
Navigator.push(
context,
MaterialPageRoute(
builder: (context) => SentryFeedbackWidget(
associatedEventId: id, screenshot: screenshot),
fullscreenDialog: true,
),
);
},
text:
'Shows a custom feedback dialog without an ongoing event that captures and sends user feedback data to Sentry.',
buttonTitle: 'Capture Feedback',
),
TooltipButton(
onPressed: () {
final log = Logger('Logging');
log.info('My Logging test');
},
text:
'Demonstrates the logging integration. log.info() will create an info event send it to Sentry.',
buttonTitle: 'Logging',
),
TooltipButton(
onPressed: () async {
final span = Sentry.getSpan() ??
Sentry.startTransaction(
'testMetrics', 'span summary example',
bindToScope: true);
// ignore: deprecated_member_use
Sentry.metrics().increment('increment key',
unit: DurationSentryMeasurementUnit.day);
// ignore: deprecated_member_use
Sentry.metrics().distribution('distribution key',
value: Random().nextDouble() * 10);
// ignore: deprecated_member_use
Sentry.metrics().set('set int key',
value: Random().nextInt(100),
tags: {'myTag': 'myValue', 'myTag2': 'myValue2'});
// ignore: deprecated_member_use
Sentry.metrics().set('set string key',
stringValue: 'Random n ${Random().nextInt(100)}');
// ignore: deprecated_member_use
Sentry.metrics()
.gauge('gauge key', value: Random().nextDouble() * 10);
// ignore: deprecated_member_use
Sentry.metrics().timing(
'timing key',
function: () async => await Future.delayed(
Duration(milliseconds: Random().nextInt(100)),
() => span.finish()),
unit: DurationSentryMeasurementUnit.milliSecond,
);
},
text:
'Demonstrates the metrics. It creates several metrics and send them to Sentry.',
buttonTitle: 'Metrics',
),
if (UniversalPlatform.isIOS || UniversalPlatform.isMacOS)
const CocoaExample(),
if (UniversalPlatform.isAndroid) const AndroidExample(),
// ignore: invalid_use_of_internal_member
if (SentryFlutter.native != null)
ElevatedButton(
onPressed: () async {
SentryFlutter.nativeCrash();
},
child: const Text('Sentry.nativeCrash'),
),
].map((widget) {
if (kIsWeb) {
// Add vertical padding to web so the tooltip doesn't obstruct the clicking of the button below.
return Padding(
padding: const EdgeInsets.only(top: 18.0, bottom: 18.0),
child: widget,
);
}
return widget;
}).toList(),
),
),
);
}
Future<void> isarTest() async {
final tr = Sentry.startTransaction(
'isarTest',
'db',
bindToScope: true,
);
final dir = await getApplicationDocumentsDirectory();
final isar = await SentryIsar.open(
[UserSchema],
directory: dir.path,
);
final newUser = User()
..name = 'Joe Dirt'
..age = 36;
await isar.writeTxn(() async {
await isar.users.put(newUser); // insert & update
});
final existingUser = await isar.users.get(newUser.id); // get
await isar.writeTxn(() async {
await isar.users.delete(existingUser!.id); // delete
});
await tr.finish(status: const SpanStatus.ok());
}
Future<void> hiveTest() async {
final tr = Sentry.startTransaction(
'hiveTest',
'db',
bindToScope: true,
);
final appDir = await getApplicationDocumentsDirectory();
SentryHive.init(appDir.path);
final catsBox = await SentryHive.openBox<Map>('cats');
await catsBox.put('fluffy', {'name': 'Fluffy', 'age': 4});
await catsBox.put('loki', {'name': 'Loki', 'age': 2});
await catsBox.clear();
await catsBox.close();
SentryHive.close();
await tr.finish(status: const SpanStatus.ok());
}
Future<void> sqfliteTest() async {
final tr = Sentry.startTransaction(
'sqfliteTest',
'db',
bindToScope: true,
);
// databaseFactory = databaseFactoryFfiWeb; // or databaseFactoryFfi // or SentrySqfliteDatabaseFactory()
// final sqfDb = await openDatabase(inMemoryDatabasePath);
final db = await openDatabaseWithSentry(inMemoryDatabasePath);
// final db = SentryDatabase(sqfDb);
// final batch = db.batch();
await db.execute('''
CREATE TABLE Product (
id INTEGER PRIMARY KEY,
title TEXT
)
''');
final dbTitles = <String>[];
for (int i = 1; i <= 20; i++) {
final title = 'Product $i';
dbTitles.add(title);
await db.insert('Product', <String, Object?>{'title': title});
}
await db.query('Product');
await db.transaction((txn) async {
await txn
.insert('Product', <String, Object?>{'title': 'Product Another one'});
await txn.delete('Product',
where: 'title = ?', whereArgs: ['Product Another one']);
});
await db.delete('Product', where: 'title = ?', whereArgs: ['Product 1']);
// final batch = db.batch();
// batch.delete('Product', where: 'title = ?', whereArgs: dbTitles);
// await batch.commit();
await db.close();
await tr.finish(status: const SpanStatus.ok());
}
Future<void> driftTest() async {
final tr = Sentry.startTransaction(
'driftTest',
'db',
bindToScope: true,
);
final executor = SentryQueryExecutor(
() async => inMemoryExecutor(),
databaseName: 'sentry_in_memory_db',
);
final db = AppDatabase(executor);
await db.into(db.todoItems).insert(
TodoItemsCompanion.insert(
title: 'This is a test thing',
content: 'test',
),
);
await db.select(db.todoItems).get();
await db.close();
await tr.finish(status: const SpanStatus.ok());
}
}
extension BuildContextExtension on BuildContext {
bool get isMounted {
try {
return (this as dynamic).mounted;
} on NoSuchMethodError catch (_) {
// ignore, only available in newer Flutter versions
}
return true;
}
}
class AndroidExample extends StatelessWidget {
const AndroidExample({super.key});
@override
Widget build(BuildContext context) {
return Column(children: [
ElevatedButton(
onPressed: () async {
await execute('throw');
},
child: const Text('Kotlin Throw unhandled exception'),
),
ElevatedButton(
onPressed: () async {
await execute('capture');
},
child: const Text('Kotlin Capture Exception'),
),
ElevatedButton(
// ANR is disabled by default, enable it to test it
onPressed: () async {
await execute('anr');
},
child: const Text('ANR: UI blocked 6 seconds'),
),
ElevatedButton(
onPressed: () async {
await execute('cpp_capture_message');
},
child: const Text('C++ Capture message'),
),
ElevatedButton(
onPressed: () async {
await execute('crash');
},
child: const Text('C++ SEGFAULT'),
),
ElevatedButton(
onPressed: () async {
await execute('platform_exception');
},
child: const Text('Platform exception'),
),
]);
}
}
void navigateToAutoCloseScreen(BuildContext context) {
Navigator.push(
context,
MaterialPageRoute(
settings: const RouteSettings(name: 'AutoCloseScreen'),
builder: (context) => SentryDisplayWidget(child: const AutoCloseScreen()),
),
);
}
Future<void> tryCatch() async {
try {
throw StateError('try catch');
} catch (error, stackTrace) {
await Sentry.captureException(error, stackTrace: stackTrace);
}
}
Future<void> asyncThrows() async {
throw StateError('async throws');
}
class IntegrationTestWidget extends StatefulWidget {
const IntegrationTestWidget({super.key});
@override
State<StatefulWidget> createState() {
return _IntegrationTestWidgetState();
}
}
class _IntegrationTestWidgetState extends State<IntegrationTestWidget> {
_IntegrationTestWidgetState();
var _output = "--";
var _isLoading = false;
@override
Widget build(BuildContext context) {
return Column(
children: [
Text(
_output,
key: const Key('output'),
),
_isLoading
? const CircularProgressIndicator()
: ElevatedButton(
onPressed: () async => await _captureException(),
child: const Text('captureException'),
)
],
);
}
Future<void> _captureException() async {
setState(() {
_isLoading = true;
});
try {
throw Exception('captureException');
} catch (error, stackTrace) {
final id = await Sentry.captureException(error, stackTrace: stackTrace);
setState(() {
_output = id.toString();
_isLoading = false;
});
}
}
}
class CocoaExample extends StatelessWidget {
const CocoaExample({super.key});
@override
Widget build(BuildContext context) {
return Column(
children: [
ElevatedButton(
onPressed: () async {
await execute('fatalError');
},
child: const Text('Swift fatalError'),
),
ElevatedButton(
onPressed: () async {
await execute('capture');
},
child: const Text('Swift Capture NSException'),
),
ElevatedButton(
onPressed: () async {
await execute('capture_message');
},
child: const Text('Swift Capture message'),
),
ElevatedButton(
onPressed: () async {
await execute('throw');
},
child: const Text('Objective-C Throw unhandled exception'),
),
ElevatedButton(
onPressed: () async {
await execute('crash');
},
child: const Text('Objective-C SEGFAULT'),
),
],
);
}
}
/// compute can only take a top-level function, but not instance or static methods.
// Top-level functions are functions declared not inside a class and not inside another function
int loop(int val) {
var count = 0;
for (var i = 1; i <= val; i++) {
count += i;
}
throw StateError('from a compute isolate $count');
}
class SecondaryScaffold extends StatelessWidget {
const SecondaryScaffold({super.key});
static Future<void> openSecondaryScaffold(BuildContext context) {
return Navigator.push(
context,
MaterialPageRoute<void>(
settings:
const RouteSettings(name: 'SecondaryScaffold', arguments: 'foobar'),
builder: (context) {
return const SecondaryScaffold();
},
),
);
}
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
title: const Text('SecondaryScaffold'),
),
body: Center(
child: Column(
children: [
const Text(
'You have added a navigation event '
'to the crash reports breadcrumbs.',
),
MaterialButton(
onPressed: () {
Navigator.pop(context);
},
child: const Text('Go back'),
),
MaterialButton(
onPressed: () {
throw Exception('Exception from SecondaryScaffold');
},
child: const Text('throw uncaught exception'),
),
],
),
),
);
}
}
Future<void> makeWebRequest(BuildContext context) async {
final transaction = Sentry.getSpan() ??
Sentry.startTransaction(
'flutterwebrequest',
'request',
bindToScope: true,
);
final client = SentryHttpClient(
failedRequestStatusCodes: [SentryStatusCode.range(400, 500)],
);
// We don't do any exception handling here.
// In case of an exception, let it get caught and reported to Sentry
final response = await client.get(Uri.parse(exampleUrl));
await transaction.finish(status: const SpanStatus.ok());
if (!context.mounted) return;
await showDialog<void>(
context: context,
builder: (context) {
return AlertDialog(
title: Text('Response ${response.statusCode}'),
content: SingleChildScrollView(
child: Text(response.body),
),
actions: [
MaterialButton(
onPressed: () => Navigator.pop(context),
child: const Text('Close'),
)
],
);
},
);
}
Future<void> makeWebRequestWithDio(BuildContext context) async {
final dio = Dio();
dio.addSentry();
final transaction = Sentry.getSpan() ??
Sentry.startTransaction(
'dio-web-request',
'request',
bindToScope: true,
);
final span = transaction.startChild(
'dio',
description: 'desc',
);
Response<String>? response;
try {
response = await dio.get<String>(exampleUrl);
span.status = const SpanStatus.ok();
} catch (exception, stackTrace) {
span.throwable = exception;
span.status = const SpanStatus.internalError();
await Sentry.captureException(exception, stackTrace: stackTrace);
} finally {
await span.finish();
}
if (!context.mounted) return;
await showDialog<void>(
context: context,
builder: (context) {
return AlertDialog(
title: Text('Response ${response?.statusCode}'),
content: SingleChildScrollView(
child: Text(response?.data ?? 'failed request'),
),
actions: [
MaterialButton(
onPressed: () => Navigator.pop(context),
child: const Text('Close'),
)
],
);
},
);
}
Future<void> showDialogWithTextAndImage(BuildContext context) async {
final transaction = Sentry.getSpan() ??
Sentry.startTransaction(
'asset-bundle-transaction',
'load',
bindToScope: true,
);
final text =
await DefaultAssetBundle.of(context).loadString('assets/lorem-ipsum.txt');
if (!context.mounted) return;
final imageBytes =
await DefaultAssetBundle.of(context).load('assets/sentry-wordmark.png');
await showDialog<void>(
// ignore: use_build_context_synchronously
context: context,
// gets tracked if using SentryNavigatorObserver
routeSettings: const RouteSettings(
name: 'AssetBundle dialog',
),
builder: (context) {
return AlertDialog(
title: const Text('Asset Example'),
content: SingleChildScrollView(
child: Column(
mainAxisSize: MainAxisSize.min,
children: [
// Use various ways an image is included in the app.
// Local asset images are not obscured in replay recording.
Image.asset('assets/sentry-wordmark.png'),
Image.asset('assets/sentry-wordmark.png', bundle: rootBundle),
Image.asset('assets/sentry-wordmark.png',
bundle: DefaultAssetBundle.of(context)),
Image.network(
'https://www.gstatic.com/recaptcha/api2/logo_48.png'),
Image.memory(imageBytes.buffer.asUint8List()),
Text(text),
],
),
),
actions: [
MaterialButton(
onPressed: () => Navigator.pop(context),
child: const Text('Close'),
)
],
);
},
);
await transaction.finish(status: const SpanStatus.ok());
}
class ThemeProvider extends ChangeNotifier {
ThemeData _theme = ThemeData.light();
ThemeData get theme => _theme;
set theme(ThemeData theme) {
_theme = theme;
notifyListeners();
}
void updatePrimaryColor(MaterialColor color) {
if (theme.brightness == Brightness.light) {
theme = ThemeData(primarySwatch: color, brightness: theme.brightness);
} else {
theme = ThemeData(primarySwatch: color, brightness: theme.brightness);
}
}
}
Future<void> execute(String method) async {
await _channel.invokeMethod(method);
}
// Don't inline this one or it shows up as an anonymous closure in profiles.
@pragma("vm:never-inline")
int findPrimeNumber(int n) {
int count = 0;
int a = 2;
while (count < n) {
int b = 2;
bool prime = true; // to check if found a prime
while (b * b <= a) {
if (a % b == 0) {
prime = false;
break;
}
b++;
}
if (prime) {
count++;
}
a++;
}
return a - 1;
}Metadata
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likes
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popularity
Publisher
Metadata
Sentry SDK for Flutter. This package aims to support different Flutter targets by relying on the many platforms supported by Sentry with native SDKs.
Homepage
Repository (GitHub)
View/report issues
Contributing
Documentation
License
MIT (license)
Dependencies
ffi, file, flutter, flutter_web_plugins, meta, package_info_plus, sentry
