Advanced error handler and logger for dart and flutter apps ☎️

Log your app actions, catch and handle exceptions and errors, show alerts and share log reports
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codecov Star on Github License: MIT talker talker_flutter talker_logger

Motivation

🚀  The main goal of the project provide ability to understand where the error occurs in a short time
✅  Can work with different state managments
✅  Can work with any crash reporting tool (Firebase Crashlytics, Sentry, Your own, etc)
✅  Flutter app logs UI output at screen
✅  Integrated logs and excetions history
✅  Showing UI exeption alerts

Packages

Talker is designed for any level of customization.

Package Version Description
talker Pub Main dart package for make logs handle exceptions.
talker_flutter Pub Error handler and logger for Flutter applications
talker_logger Pub Pretty logger for dart/flutter apps

Get Started

Follow these steps to the coolest experience in error handling

Add dependency

dependencies:
  talker: ^1.3.0

Easy to use

You can use Talker instance everywhere in your app
Simple and concise syntax will help you with this

final talker = Talker();
// Handle exceptions and errors
try {
  // your code...
} on Exception catch (e, st) {
    talker.handle(e, st, 'Exception with');
}

// Log your app info
talker.info('App is started');
talker.critical('❌ Houston, we have a problem!');
talker.error('🚨 The service is not available');

More examples you can get here

Customization

Configure the error handler and logger for yourself

final talker = Talker(
    /// Your own observers to handle errors's exception's and log's
    /// like Crashlytics or Sentry observer
    observers: [],
    settings: const TalkerSettings(
      /// You can enable/disable all talker processes with this field
      enabled: true,
      /// You can enable/disable saving logs data in history
      useHistory: true,
      /// Length of history that saving logs data
      maxHistoryItems: 100,
      /// You can enable/disable console logs
      useConsoleLogs: true,
    ),
    /// Setup your implementation of logger
    logger: TalkerLogger(),
    ///etc...
  );

More examples you can get here

Talker Flutter

Often you need to check what happening in the application when there is no console at hand.
There is a talker_flutter package for this situations.

Get Started with talker_flutter

Follow these steps to implement talker_flutter in your application

Add dependency

dependencies:
  talker_flutter: ^1.6.0

❗️ Attention ❗️

Latest Flutter stable release have print method bug issues/110236
But with Talker you can solve it with passing your own output/print method

If you want to see full logs in console - pass debugPrint as ouput callback method in Talker constructor

final talker = Talker(
  loggerOutput: debugPrint,
);

Easy to use

You can use TalkerScreen everywhere in your app At Screen, BottomSheet, ModalDialog, etc...

final talker = Talker(
  loggerOutput: debugPrint,
);

Navigator.of(context).push(
  MaterialPageRoute(
    builder: (context) => TalkerScreen(talker: talker),
  )
);

TalkerScreen usage example

TalkerWrapper

In addition to the above,
talker_flutter is able to show default and custom error messages and another status messages

 

final talker = Talker(
  loggerOutput: debugPrint,
);

TalkerWrapper(
  talker: talker,
  options: const TalkerWrapperOptions(
    enableErrorAlerts: true,
  ),
  child: /// Application or the screen where you need to show messages
),

In order to understand in more details - you can check this article "Showing Flutter custom error messages"

TalkerWrapper usage example

See full application example with BLoC and navigation here

The talker_flutter package have a lot of another widgets like TalkerBuilder, TalkerListener, etc. You can find all of them in code documentation.

Coverage

Error handling is a very important task
You need to choose carefully if you want to use a package for exceptions handling solution
Therefore, the project is 100% covered by tests

Additional information

The project is under development and ready for your pull-requests and issues 👍
Thank you for support ❤️


Thanks to all contributors of this package


For help getting started with 😍 Flutter, view online documentation, which offers tutorials, samples, guidance on mobile development, and a full API reference.

Libraries

talker