nutrient
Activity-scoped ToolbarCoordinator. Shared across all fragments hosted by this activity; survives configuration changes; cleaned up when the activity finishes.
Use this from PdfActivity and from customer hosts that present multiple PdfFragments in the same activity (e.g. document pager pattern).
Pre-Phase 0 scaffolding (ADR-Toolbar-3, binding 1 of 3).
Fragment-scoped ToolbarCoordinator. Tied to the fragment's lifecycle — survives configuration changes within the fragment; cleaned up when the fragment is destroyed.
Use this when only one PdfFragment is shown at a time and the toolbar should reset when the fragment is replaced.
Pre-Phase 0 scaffolding (ADR-Toolbar-3, binding 2 of 3).