public static String getVersionInfo() {
        String info = versionInfo.get();
        if (info == null) {
            info = String.format(
                Locale.ENGLISH,
                VERSION_INFO,
                BuildConfig.VERSION_NAME,
                getLibInfo(),
                BuildConfig.BUILD_TIME,
                BuildConfig.BUILD_HOST,
                getSysInfo());

            versionInfo.compareAndSet(null, info);
        }

        return info;
    }
public static String getVersionInfo ( ) { String info = versionInfo . get ( ) ; if ( info == null ) { info = String . format ( Locale . ENGLISH , VERSION_INFO , BuildConfig . VERSION_NAME , getLibInfo ( ) , BuildConfig . BUILD_TIME , BuildConfig . BUILD_HOST , getSysInfo ( ) ) ; versionInfo . compareAndSet ( null , info ) ; } return info ; }
This is information about this library build.