Merge "Avoid NPE when adding a smart action with a null icon."

                return this;

            }

            /**

             * Throws an NPE if we are building a contextual action missing one of the fields

             * necessary to display the action.

             */

            private void checkContextualActionNullFields() {

                if (mSemanticAction != SEMANTIC_ACTION_CONTEXTUAL_SUGGESTION) return;

                if (mIcon == null) {

                    throw new NullPointerException("Contextual Actions must contain a valid icon");

                }

                if (mIntent == null) {

                    throw new NullPointerException(

                            "Contextual Actions must contain a valid PendingIntent");

                }

            }

            /**

             * Combine all of the options that have been set and return a new {@link Action}

             * object.

             * @return the built action

             */

            public Action build() {

                checkContextualActionNullFields();

                ArrayList<RemoteInput> dataOnlyInputs = new ArrayList<>();

                RemoteInput[] previousDataInputs =

                    (RemoteInput[]) mExtras.getParcelableArray(EXTRA_DATA_ONLY_INPUTS);