PermissionHandler service

Create or retrieve this service with page.permission_handler(**properties). Ruflet reuses the registered service unless you supply a different id.

Example

status = text(value: "Camera permission not requested")
page.add(status)
permissions = page.permission_handler
permissions.request("camera", on_result: ->(permission, error) {
  page.update(status, value: error ? error.to_s : "Camera: #{permission}")
})

Page accessor

• page.permission_handler(**props)

Properties

• data — Arbitrary value you can attach to the control and read back in handlers.
• key — Stable identity used to preserve state across rebuilds.

Service methods

• get_status(permission, timeout: ..., on_result: ...)
• open_app_settings(timeout: ..., on_result: ...)
• request(permission, timeout: ..., on_result: ...)

Result and error handling

Client calls are asynchronous. When a method accepts on_result:, handle both callback values: |result, error|. Availability and returned data can vary by platform.

Common service API

The service also supports the common Ruflet control API: attach_handler(event_name, handler), children, emit(event_name, event), has_handler?(event_name), id, merge_props(values = ...), on(event_name, &block), props, runtime_page, runtime_page=, to_patch, type, wire_id, wire_id=.

Use the named methods above for application code; common control methods mainly support event registration, updates, and runtime integration.

Wire reference

• Service helper: permission_handler
• Wire type: permissionhandler
• Aliases: permissionhandler

Client extension setup

This service is implemented by the flet_permission_handler Flet extension. Enable it in ruflet.yaml, then rebuild the client:

extensions:
  - permission_handler

Application code uses page.permission_handler; do not add the package directly to your app's Flutter dependencies.