diff --git a/src/common/dbus/org.kde.ActivityManager.Activities.xml b/src/common/dbus/org.kde.ActivityManager.Activities.xml
--- a/src/common/dbus/org.kde.ActivityManager.Activities.xml
+++ b/src/common/dbus/org.kde.ActivityManager.Activities.xml
@@ -9,6 +9,12 @@
       <arg type="b" direction="out"/>
       <arg name="activity" type="s" direction="in"/>
     </method>
+    <method name="PreviousActivity">
+      <arg type="b" direction="out"/>
+    </method>
+    <method name="NextActivity">
+      <arg type="b" direction="out"/>
+    </method>
 
     <method name="AddActivity">
       <arg type="s" direction="out"/>
diff --git a/src/service/Activities.h b/src/service/Activities.h
--- a/src/service/Activities.h
+++ b/src/service/Activities.h
@@ -78,6 +78,16 @@
      */
     bool SetCurrentActivity(const QString &activity);
 
+    /**
+     * Switches to the previous activity
+     */
+    bool PreviousActivity();
+
+    /**
+     * Switches to the next activity
+     */
+    bool NextActivity();
+
     /**
      * Adds a new activity
      * @param name name of the activity
diff --git a/src/service/Activities.cpp b/src/service/Activities.cpp
--- a/src/service/Activities.cpp
+++ b/src/service/Activities.cpp
@@ -204,6 +204,42 @@
     return true;
 }
 
+static
+bool infoLessThan(const ActivityInfo &info, const ActivityInfo &other)
+{
+    const auto comp =
+        QString::compare(info.name, other.name, Qt::CaseInsensitive);
+    return comp < 0 || (comp == 0 && info.id < other.id);
+}
+
+bool Activities::Private::previousActivity()
+{
+    auto a = q->ListActivitiesWithInformation();
+    std::sort(a.begin(), a.end(), &infoLessThan);
+
+    for (int i = 0; i < a.count(); ++i) {
+        if (a[i].id == currentActivity) {
+            return setCurrentActivity(a[(i + a.size() - 1) % a.size()].id);
+        }
+    }
+
+    return false;
+}
+
+bool Activities::Private::nextActivity()
+{
+    auto a = q->ListActivitiesWithInformation();
+    std::sort(a.begin(), a.end(), &infoLessThan);
+
+    for (int i = 0; i < a.count(); ++i) {
+        if (a[i].id == currentActivity) {
+            return setCurrentActivity(a[(i + 1) % a.size()].id);
+        }
+    }
+
+    return false;
+}
+
 QString Activities::Private::addActivity(const QString &name)
 {
     QString activity;
@@ -471,6 +507,16 @@
     return d->setCurrentActivity(activity);
 }
 
+bool Activities::PreviousActivity()
+{
+    return d->previousActivity();
+}
+
+bool Activities::NextActivity()
+{
+    return d->nextActivity();
+}
+
 QString Activities::AddActivity(const QString &name)
 {
     // We do not care about authorization if this is the first start
@@ -596,4 +642,3 @@
     QReadLocker lock(&d->activitiesLock);
     return d->activities.contains(activity) ? d->activities[activity] : Invalid;
 }
-
diff --git a/src/service/Activities_p.h b/src/service/Activities_p.h
--- a/src/service/Activities_p.h
+++ b/src/service/Activities_p.h
@@ -54,6 +54,8 @@
 
 public Q_SLOTS:
     bool setCurrentActivity(const QString &activity);
+    bool previousActivity();
+    bool nextActivity();
 
 public:
     void setActivityState(const QString &activity, Activities::State state);