diff --git a/core/java/android/app/ContextImpl.java b/core/java/android/app/ContextImpl.java index 240dbe1eea248..8803cf263e380 100644 --- a/core/java/android/app/ContextImpl.java +++ b/core/java/android/app/ContextImpl.java @@ -3053,8 +3053,11 @@ class ContextImpl extends Context { throw new UnsupportedOperationException( "Cannot update device ID on a Context created with createDeviceContext()"); } - mDeviceId = updatedDeviceId; - notifyOnDeviceChangedListeners(updatedDeviceId); + + if (mDeviceId != updatedDeviceId) { + mDeviceId = updatedDeviceId; + notifyOnDeviceChangedListeners(updatedDeviceId); + } } @Override