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Build apps for Bridge.

The toolkit every Bridge app is made with. Build an app once; it runs on its own and inside Bridge, in Bridge's look or your own.

What's in it
Everything an app needs.
Bridge.Kit for .NET 8Window, web view, storage, permissions, updates
@bridge/kitBridge's components, icons, menus and dialogs
Bridge UI RulesThe styles every app uses, so it follows the theme
ContractsSchemas for the manifest and Kit, in TypeScript and C#
Installer and signingAn installer template and signing tools
A template appCopy it to start
An app in five files
Kit reads the manifest and does the rest.
my-app/
  bridge-package.json   what the app is and what it may do
  MyApp.csproj          an exe that references Bridge.Kit
  Program.cs            AppHost.Run(args, () => new BackEnd())
  BackEnd.cs            the app's native half
  ui/                   the app's page: Preact and @bridge/kit
What it can add to Bridge
Listed in its manifest. Bridge draws them.
A tab in the top bar
An icon in the top bar
A flyout from the top bar
Results in Home's search
Sections in Bridge's Settings
A phone page in Bridge Mobile
What it may ask for
Shown to people before they install. Nothing else is allowed.
Show a file the person picked
Read and write the clipboard
Drag files out, take files dropped on it
Start an app or open a file or link
See and control what is playing
Set the wallpaper, or put a picture on it
Show web pages in its own view
Send notifications
Add-ons only: windows, input and system controls
Kit opens later
When it opens, anyone can use it free to build apps and add-ons for their own Bridge.