android长度转单位

android长度转单位

public static String formatFileLength(long length) {    if (length >> 30 > 0L) {        float sizeGb = Math.round(10.0F * (float) length / 1.073742E+009F) / 10.0F;        return sizeGb + " GB";    }    if (length >> 20 > 0L) {        return formatSizeMb(length);    }    if (length >> 9 > 0L) {        float sizekb = Math.round(10.0F * (float) length / 1024.0F) / 10.0F;        return sizekb + " KB";    }    return length + " B";}public static String formatSizeMb(long length) {    float mbSize = Math.round(10.0F * (float) length / 1048576.0F) / 10.0F;    return mbSize + " MB";}