1 files changed, 4 insertions, 0 deletions
diff --git a/core/java/android/inputmethodservice/AbstractInputMethodService.java b/core/java/android/inputmethodservice/AbstractInputMethodService.java
index 29177b6b47cf..185215a5ce75 100644
--- a/core/java/android/inputmethodservice/AbstractInputMethodService.java
+++ b/core/java/android/inputmethodservice/AbstractInputMethodService.java
@@ -16,6 +16,7 @@
 
 package android.inputmethodservice;
 
+import android.annotation.MainThread;
 import android.annotation.NonNull;
 import android.app.Service;
 import android.content.Intent;
@@ -62,6 +63,7 @@ public abstract class AbstractInputMethodService extends Service
          * back to {@link AbstractInputMethodService#onCreateInputMethodSessionInterface()
          * AbstractInputMethodService.onCreateInputMethodSessionInterface()}.
          */
+        @MainThread
         public void createSession(SessionCallback callback) {
             callback.sessionCreated(onCreateInputMethodSessionInterface());
         }
@@ -71,6 +73,7 @@ public abstract class AbstractInputMethodService extends Service
          * {@link AbstractInputMethodSessionImpl#revokeSelf()
          * AbstractInputMethodSessionImpl.setEnabled()} method.
          */
+        @MainThread
         public void setSessionEnabled(InputMethodSession session, boolean enabled) {
             ((AbstractInputMethodSessionImpl)session).setEnabled(enabled);
         }
@@ -80,6 +83,7 @@ public abstract class AbstractInputMethodService extends Service
          * {@link AbstractInputMethodSessionImpl#revokeSelf()
          * AbstractInputMethodSessionImpl.revokeSelf()} method.
          */
+        @MainThread
         public void revokeSession(InputMethodSession session) {
             ((AbstractInputMethodSessionImpl)session).revokeSelf();
         }