packages/flutter_tools/lib/src/base/globals.dart

// Copyright 2016 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

import '../device.dart';
import 'context.dart';
import 'logger.dart';

DeviceManager get deviceManager => context[DeviceManager];
Logger get logger => context[Logger];

/// Display an error level message to the user. Commands should use this if they
/// fail in some way.
void printError(String message, [StackTrace stackTrace]) => logger.printError(message, stackTrace);

/// Display normal output of the command. This should be used for things like
/// progress messages, success messages, or just normal command output.
void printStatus(String message) => logger.printStatus(message);

/// Use this for verbose tracing output. Users can turn this output on in order
/// to help diagnose issues with the toolchain or with their setup.
void printTrace(String message) => logger.printTrace(message);