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flutter_docs

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installation and setup
follow the set up an editor instructions to
install the dart and flutter extensions
(also called plugins).
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updating the extension
updates to the extensions are shipped on a regular basis.
by default, VS code automatically updates extensions when
updates are available.
to install updates yourself:
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creating projects
there are a couple ways to create a new project.
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creating a new project
to create a new flutter project from the flutter
starter app template:
go to view >
command palette….
you can also press ctrl / cmd +
shift + p.
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opening a project from existing source code
to open an existing flutter project:
go to file > open.
you can also press ctrl / cmd + o
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editing code and viewing issues
the flutter extension performs code analysis.
the code analysis can:
navigate to type declarations
find type usages.
view all current source code problems.
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running and debugging
info note
you can debug your app in a couple of ways.
the instructions below describe features available in VS code.
for information on using launching DevTools, see
running DevTools from VS code in the DevTools docs.
start debugging by clicking run > start debugging
from the main IDE window, or press f5.
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selecting a target device
when a flutter project is open in VS code,
you should see a set of flutter specific entries in the status bar,
including a flutter SDK version and a
device name (or the message no devices):
info note
the flutter extension automatically selects the last device connected.
however, if you have multiple devices/simulators connected, click
device in the status bar to see a pick-list
at the top of the screen. select the device you want to use for
running or debugging.
are you developing for macOS or iOS remotely using
visual studio code remote? if so, you might need to manually
unlock the keychain. for more information, see this
question on StackExchange.
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run app without breakpoints
go to run > start without debugging.
you can also press ctrl + f5.
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run app with breakpoints
click run > start debugging.
you can also press f5.
the status bar turns orange to show you are in a debug session.
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run app in debug, profile, or release mode
flutter offers many different build modes to run your app in.
you can read more about them in flutter’s build modes.
open the launch.json file in VS code.
if you don’t have a launch.json file:
go to view > run.
you can also press ctrl / cmd +
shift + d
the run and debug panel displays.
click create a launch.json file.
in the configurations section,
change the flutterMode property to
the build mode you want to target.
for example, if you want to run in debug mode,
your launch.json might look like this:
run the app through the run panel.
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fast edit and refresh development cycle
flutter offers a best-in-class developer cycle enabling you