_checkInputFields(aInputIds) {
			const oView = this.getView();

			return aInputIds.some((sInputId) => {
				const oInput = oView.byId(sInputId);
				const oBinding = oInput.getBinding("value");
				try {
					oBinding.getType().validateValue(oInput.getValue());
				} catch (oException) {
					return true;
				}

				return false;
			});
		}
Checks if one or more of the inputs are empty.
@param {array} aInputIds - Input ids to be checked
@returns {boolean} Whether at least one input field contains invalid data