Merge "Make sure initial activity state is correct."

            if (activity.getWindow().isDestroyed()) {

                throw new IllegalStateException("activity is already destroyed");

            }

            // Check if activity is resumed right now, as we will not

            // immediately get a callback for that.

            resumed = activity.isResumed();

            this.activity = activity;

            registerApplication(activity.getApplication());

        }