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Live templates can be used to speed up entering typical code structures. |
They are invoked by typing their prefix, and then selecting it in the code |
completion window:The Flutter plugin includes the following templates:You can also define custom templates in Settings > Editor > Live Templates.<topic_end> |
<topic_start> |
Keyboard shortcuts |
Hot reloadOn Linux (keymap Default for XWin) and Windows the keyboard shortcuts |
are Control+Alt+; and Control+Backslash.On macOS (keymap Mac OS X 10.5+ copy) the keyboard shortcuts are |
Command+Option and Command+Backslash.Keyboard mappings can be changed in the IDE Preferences/Settings: Select |
Keymap, then enter flutter into the search box in the upper right corner. |
Right click the binding you want to change and Add Keyboard Shortcut.<topic_end> |
<topic_start> |
Hot reload vs. hot restart |
Hot reload works by injecting updated source code files into the running |
Dart VM (Virtual Machine). This includes not only adding new classes, |
but also adding methods and fields to existing classes, |
and changing existing functions. |
A few types of code changes cannot be hot reloaded though:For these changes you can fully restart your application, |
without having to end your debugging session. To perform a hot restart, |
don’t click the Stop button, simply re-click the Run button (if in a run |
session) or Debug button (if in a debug session), or shift-click the ‘hot |
reload’ button.<topic_end> |
<topic_start> |
Editing Android code in Android Studio with full IDE support |
Opening the root directory of a Flutter project doesn’t expose all the Android |
files to the IDE. Flutter apps contain a subdirectory named android. If you |
open this subdirectory as its own separate project in Android Studio, the IDE |
will be able to fully support editing and refactoring all Android files (like |
Gradle scripts).If you already have the entire project opened as a Flutter app in Android |
Studio, there are two equivalent ways to open the Android files on their own |
for editing in the IDE. Before trying this, make sure that you’re on the latest |
version of Android Studio and the Flutter plugins.For both options, Android Studio gives you the option to use separate windows or |
to replace the existing window with the new project when opening a second |
project. Either option is fine.If you don’t already have the Flutter project opened in Android studio, |
you can open the Android files as their own project from the start:If you haven’t run your Flutter app yet, you might see Android Studio report a |
build error when you open the android project. Run flutter pub get in |
the app’s root directory and rebuild the project by selecting Build > Make |
to fix it.<topic_end> |
<topic_start> |
Editing Android code in IntelliJ IDEA |
To enable editing of Android code in IntelliJ IDEA, you need to configure the |
location of the Android SDK:<topic_end> |
<topic_start> |
Tips and tricks |
<topic_end> |
<topic_start> |
Troubleshooting |
<topic_end> |
<topic_start> |
Known issues and feedback |
Important known issues that might impact your experience are documented |
in the Flutter plugin README file.All known bugs are tracked in the issue trackers:We welcome feedback, both on bugs/issues and feature requests. |
Prior to filing new issues:When filing new issues, include the output of flutter doctor. |
<topic_end> |
<topic_start>Visual Studio Code |
<topic_end> |
<topic_start> |
Installation and setup |
Follow the Set up an editor instructions to |
install the Dart and Flutter extensions |
(also called plugins).<topic_end> |
<topic_start> |
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:<topic_end> |
<topic_start> |
Creating projects |
There are a couple ways to create a new project.<topic_end> |
<topic_start> |
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.<topic_end> |
<topic_start> |
Opening a project from existing source code |
To open an existing Flutter project:Go to File > Open.You can also press Ctrl / Cmd + O<topic_end> |
<topic_start> |
Editing code and viewing issues |
The Flutter extension performs code analysis. |
The code analysis can:Navigate to type declarationsFind type usages.View all current source code problems.<topic_end> |
<topic_start> |
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.<topic_end> |
<topic_start> |
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 NoteThe 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 |
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