diff --git a/ports/libsimpleservo/api/src/lib.rs b/ports/libsimpleservo/api/src/lib.rs
index 7209f83d59d..5dc19e98329 100644
--- a/ports/libsimpleservo/api/src/lib.rs
+++ b/ports/libsimpleservo/api/src/lib.rs
@@ -81,6 +81,8 @@ pub trait HostTrait {
     fn on_animating_changed(&self, animating: bool);
     /// Servo finished shutting down.
     fn on_shutdown_complete(&self);
+    /// A text input is focused.
+    fn on_ime_state_changed(&self, show: bool);
 }
 
 pub struct ServoGlue {
diff --git a/ports/libsimpleservo/capi/src/lib.rs b/ports/libsimpleservo/capi/src/lib.rs
index 56d85609101..0785f336e40 100644
--- a/ports/libsimpleservo/capi/src/lib.rs
+++ b/ports/libsimpleservo/capi/src/lib.rs
@@ -40,6 +40,7 @@ pub struct CHostCallbacks {
     pub on_history_changed: extern "C" fn(can_go_back: bool, can_go_forward: bool),
     pub on_animating_changed: extern "C" fn(animating: bool),
     pub on_shutdown_complete: extern "C" fn(),
+    pub on_ime_state_changed: extern "C" fn(show: bool),
 }
 
 /// Servo options
@@ -330,4 +331,9 @@ impl HostTrait for HostCallbacks {
         debug!("on_shutdown_complete");
         (self.0.on_shutdown_complete)();
     }
+
+    fn on_ime_state_changed(&self, show: bool) {
+        debug!("on_ime_state_changed");
+        (self.0.on_ime_state_changed)(show);
+    }
 }
diff --git a/ports/libsimpleservo/jniapi/src/lib.rs b/ports/libsimpleservo/jniapi/src/lib.rs
index f120768c17c..b1b400b1443 100644
--- a/ports/libsimpleservo/jniapi/src/lib.rs
+++ b/ports/libsimpleservo/jniapi/src/lib.rs
@@ -454,6 +454,9 @@ impl HostTrait for HostCallbacks {
         )
         .unwrap();
     }
+
+    fn on_ime_state_changed(&self, _show: bool) {
+    }
 }
 
 fn initialize_android_glue(env: &JNIEnv, activity: JObject) {