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<topic_start>
Metadata
This section of the snapcraft.yaml file defines and
describes the application. The snap version is
derived (adopted) from the build section.<topic_end>
<topic_start>
Grade, confinement, and base
This section defines how the snap is built.<topic_end>
<topic_start>
Apps
This section defines the application(s) that exist inside the snap.
There can be one or more applications per snap. This example
has a single application—super_cool_app.When a providing snap is installed, snapd will
generate security policy that will allow it to
listen on the well-known DBus name on the specified
bus. If the system bus is specified, snapd will also
generate DBus bus policy that allows ‘root’ to own
the name and any user to communicate with the
service. Non-snap processes are allowed to
communicate with the providing snap following
traditional permissions checks. Other (consuming)
snaps might only communicate with the providing
snap by connecting the snaps’ interface.<topic_end>
<topic_start>
Parts
This section defines the sources required to
assemble the snap.Parts can be downloaded and built automatically using plugins.
Similar to extensions, snapcraft can use various plugins
(such as Python, C, Java, and Ruby) to assist in the
building process. Snapcraft also has some special plugins.<topic_end>
<topic_start>
Desktop file and icon
Desktop entry files are used to add an application
to the desktop menu. These files specify the name and
icon of your application, the categories it belongs to,
related search keywords and more. These files have the
extension .desktop and follow the XDG Desktop Entry
Specification version 1.1.<topic_end>
<topic_start>
Flutter super-cool-app.desktop example
Place the .desktop file in your Flutter project
under <project root>/snap/gui/super-cool-app.desktop.Notice: icon and .desktop file name must be the same as your app name in
yaml file!For example:Place your icon with .png extension in your Flutter
project under <project root>/snap/gui/super-cool-app.png.<topic_end>
<topic_start>
Build the snap
Once the snapcraft.yaml file is complete,
run snapcraft as follows from the root directory
of the project.To use the Multipass VM backend:To use the LXD container backend:<topic_end>
<topic_start>
Test the snap
Once the snap is built, you’ll have a <name>.snap file
in your root project directory.$ sudo snap install ./super-cool-app_0.1.0_amd64.snap –dangerous<topic_end>
<topic_start>
Publish
You can now publish the snap.
The process consists of the following:<topic_end>
<topic_start>
Snap Store channels
The Snap Store uses channels to differentiate among
different versions of snaps.The snapcraft upload command uploads the snap file to
the store. However, before you run this command,
you need to learn about the different release channels.
Each channel consists of three components:<topic_end>
<topic_start>
Snap Store automatic review
The Snap Store runs several automated checks against
your snap. There might also be a manual review,
depending on how the snap was built, and if there are
any specific security concerns. If the checks pass
without errors, the snap becomes available in the store.<topic_end>
<topic_start>
Additional resources
You can learn more from the following links on the
snapcraft.io site:
<topic_end>
<topic_start>Build and release a Windows desktop app
One convenient approach to distributing Windows apps
is the Microsoft Store.
This guide provides a step-by-step walkthrough
of packaging and deploying a Flutter app in this way.info Note
You are not required to publish Windows apps through the
Microsoft Store, particularly if you prefer more control
over the distribution experience or don’t want to deal
with the certification process. The Microsoft documentation
includes more information about traditional installation
approaches, including Windows Installer.<topic_end>
<topic_start>
Preliminaries
Before beginning the process of releasing
a Flutter Windows desktop app to the Microsoft Store,
first confirm that it satisfies Microsoft Store Policies.Also, you must join the
Microsoft Partner Network to be able to submit apps.<topic_end>
<topic_start>
Set up your application in the Partner Center
Manage an application’s life cycle in the
Microsoft Partner Center.First, reserve the application name and
ensure that the required rights to the name exist.
Once the name is reserved, the application
will be provisioned for services (such as