47     void installableDirChanged(int index);

    47     void installableDirChanged(int index);

    48     void installableFileChanged(int index);

    48     void installableFileChanged(int index);

    49     void installUsingNewApi();

    49     void installUsingNewApi();

    50     void installUsingOldApi();

    50     void installUsingOldApi();

    51     void installByOpeningFile();

    51     void installByOpeningFile();

    52     void removeUsingNewApi();

    53     void removeUsingNewApi();

    53     void removeUsingOldApi();

    54     void removeUsingOldApi();

    54     void handleComplete();

    55     void handleComplete();

    55     void handleError(int error);

    56     void handleError(int error);

    56     void closeApp();

    57     void closeApp();