Loading, empty, and error states with AdwStatusPage and AdwSpinner — placeholder icons, titles, action buttons. Use when an app view can be empty, loading, or failed.
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See how to installReview the instructions the agent will receive before you install.
Blueprint:
Adw.StatusPage {
title: _("Open a Document");
description: _("Create a new document (Ctrl+N), or open an existing one (Ctrl+O)");
icon-name: "document-open-symbolic";
child: Gtk.Button {
label: _("_New Empty File");
use-underline: true;
halign: center;
styles ["suggested-action", "large-button", "pill"];
};
}
XML:
<object class="AdwStatusPage" id="empty">
<property name="title" translatable="yes">Nothing Installed</property>
<property name="description" translatable="yes">Packages you install will appear here.</property>
<property name="icon-name">package-x-generic-symbolic</property>
<property name="child">
<object class="GtkButton">
<property name="label" translatable="yes">_Install Packages</property>
<property name="halign">center</property>
<style>
<class name="suggested-action"/>
<class name="large-button"/>
<class name="pill"/>
</style>
</object>
</property>
</object>
Properties:
| Property | Type | Notes |
|---|---|---|
title | string | Required — main message |
description | string | Optional — instruction text |
icon-name | string | Symbolic icon (recommended) |
child | widget | Action button (optional) |
Blueprint:
Stack loading_stack {
transition-type: crossfade;
StackPage {
name: "loading";
child: Box {
orientation: vertical;
valign: center;
halign: center;
spacing: 12;
Gtk.Spinner {
width-request: 32;
height-request: 32;
}
Label {
label: _("Loading packages…");
styles ["dim-label"];
}
};
}
StackPage {
name: "content";
child: /* actual content */;
}
}
Always use GtkStack + transition-type: crossfade to switch between loading/empty/content states. Never overlay spinners on content.
Three standard pages:
| StackPage name | When | Contents |
|---|---|---|
"loading" | Initial load | Spinner + label |
"empty" | No data | AdwStatusPage |
"content" | Data loaded | Actual content |
Box {
orientation: vertical;
valign: center;
halign: center;
spacing: 6;
Gtk.Spinner {
width-request: 64;
height-request: 64;
margin-bottom: 18;
}
Label {
label: _("Loading…");
styles ["title-3"];
}
ProgressBar { /* optional: determinate progress */
width-request: 280;
valign: center;
}
}
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Add a standard AdwAboutDialog wired to app metadata, plus the AppStream metainfo file it should share data with. Use when adding an About entry, release notes, credits, or preparing app metadata.
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Make a GTK4/libadwaita app accessible — accessible labels and roles, tooltips on icon-only buttons, keyboard navigation, contrast, and testing with Orca/Accerciser. Use when fixing a11y issues or running the accessibility category of a HIG audit.
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Responsive GNOME layouts: AdwBreakpoint conditions, BreakpointBin, MultiLayoutView, BottomSheet, narrow/wide layout swaps. Use when making an app work on phones or narrow windows.
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Onboarding tour with AdwCarousel and navigation dots, skippable welcome screens. Use when adding a first-run tour or feature showcase to a GNOME app.
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Implement GNOME's 4-tier destructive-action pattern: undo toasts instead of confirmation dialogs, AdwAlertDialog for irreversible actions. Use when adding delete, remove, clear, or other destructive actions.
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Package a GNOME app as a Flatpak — manifest for the GNOME runtime, sandbox permissions, build/run/test loop, and Flathub submission checklist. Use when packaging, distributing, or preparing a GNOME app for Flathub.
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