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Change documentation for how to log using sky_tool

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Ian Fischer 2015-09-03 09:39:02 -07:00
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commit 636e9db814
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packages/flutter/README.md
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@ -77,16 +77,15 @@ expects to be run from the root directory of your application's package (i.e.,
the same directory that contains the `pubspec.yaml` file). the same directory that contains the `pubspec.yaml` file).
To run your app with logging, run this command: To run your app with logging, run this command:
- `./packages/sky/sky_tool start --checked && adb logcat -s sky chromium` - `./packages/sky/sky_tool start --checked && ./packages/sky/sky_tool logs`
The `sky_tool start` command starts the dev server and uploads your app to the device, installing `SkyShell.apk` if needed. The `sky_tool start` command starts the dev server and uploads your app to the device, installing `SkyShell.apk` if needed.
The `--checked` flag triggers checked mode, in which types are checked, asserts are run, and The `--checked` flag triggers checked mode, in which types are checked, asserts are run, and
various [debugging features](https://github.com/domokit/sky_engine/blob/master/sky/packages/sky/lib/base/debug.dart) are enabled. various [debugging features](https://github.com/domokit/sky_engine/blob/master/sky/packages/sky/lib/base/debug.dart) are enabled.
The `adb logcat` command logs errors and Dart `print()` output from the app. The `-s sky chromium` The `sky_tool logs` command logs errors and Dart `print()` output from the app, automatically limiting the output to just output from Sky Dart code and the Sky Engine C++ code (which
argument limits the output to just output from Sky Dart code and the Sky Engine C++ code (which
for historical reasons currently uses the tag `chromium`.) for historical reasons currently uses the tag `chromium`.)
To avoid confusion from old log messages, you may wish to run `adb logcat -c` before calling To avoid confusion from old log messages, you may wish to call `sky_tool logs --clear` before calling
`sky_tool start`, to clear the log between runs. `sky_tool start`, to clear the log between runs.
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