diff --git a/client/src/activities_view.vala b/client/src/activities_view.vala
index a491eaa..4867c94 100644
--- a/client/src/activities_view.vala
+++ b/client/src/activities_view.vala
@@ -1,7 +1,10 @@
 namespace StudySystemClient {
 	public class ActivitiesView : Gtk.Box {
+		private Client client;
+
 		public ActivitiesView(Client client)  {
 			margin_top = margin_bottom = margin_start = margin_end = 0;
+			this.client = client;
 
 			var scrolled_window = new Gtk.ScrolledWindow();
 			scrolled_window.hscrollbar_policy = Gtk.PolicyType.NEVER;
@@ -24,17 +27,31 @@ namespace StudySystemClient {
 				{ "Physics", ActivityType.EXERCISES },
 			};
 			foreach (var activity in activities) {
-				var card = new ActivityCard(client, activity);
+				var card = new ActivityCard(activity);
+				card.session_logged.connect(log_session);
 				card_container.append(card);
 			}
 
 			scrolled_window.set_child(card_container);
 			this.append(scrolled_window);
 		}
+
+		private async void log_session(string subject, ActivityType type,
+									   int minutes) {
+			try {
+				yield client.log_session(subject, type, minutes);
+				stderr.printf("Successfully logged session\n");
+			} catch (ClientError e) {
+				stderr.printf("Error logging session: %s\n", e.message);
+			}
+		}
 	}
 
 	private class ActivityCard : Gtk.Frame {
-		public ActivityCard(Client client, Activity activity) {
+		public signal void session_logged(string subject, ActivityType type,
+										  int minutes);
+
+		public ActivityCard(Activity activity) {
 			add_css_class("card");
 
 			var content = new Gtk.Box(Gtk.Orientation.HORIZONTAL, 12);
@@ -63,21 +80,23 @@ namespace StudySystemClient {
 
 			set_child(content);
 
-			var log_session_popover = new LogSessionPopover(client);
+			var log_session_popover = new LogSessionPopover();
 			log_session_popover.set_parent(button);
 			button.clicked.connect(() => log_session_popover.popup());
+			log_session_popover.session_logged.connect((minutes) => {
+					session_logged(activity.subject, activity.type, minutes);
+				});
 		}
 	}
 
 	private class LogSessionPopover : Gtk.Popover {
+		public signal void session_logged(int minutes);
+
 		private const int DEFAULT_LENGTH = 30;
 
 		private Gtk.SpinButton input;
-		private Client client;
-
-		public LogSessionPopover(Client client) {
-			this.client = client;
 
+		public LogSessionPopover() {
 			var content = new Gtk.Box(Gtk.Orientation.HORIZONTAL, 6);
 
 			var label = new Gtk.Label("Minutes");
@@ -102,16 +121,10 @@ namespace StudySystemClient {
 			closed.connect(reset);
 		}
 
-		private async void submit() {
+		private void submit() {
+			session_logged((int)input.value);
 			reset();
 			popdown();
-
-			try {
-				yield client.ping();
-				stderr.printf("Successfully pinged server\n");
-			} catch (ClientError e) {
-				stderr.printf("Error pinging server: %s\n", e.message);
-			}
 		}
 
 		private void reset() {