format File Size To String - Android java.io

Android examples for java.io:File Size

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Description

format File Size To String

Demo Code

import java.text.DecimalFormat;

public class Main{

    public static String formatFileSizeToString(long fileLen) {
        DecimalFormat df = new DecimalFormat("#.00");
        String fileSizeString = null;
        if (fileLen < 1024) {
            fileSizeString = df.format((double) fileLen) + "B";
        } else if (fileLen < 1048576) {
            fileSizeString = df.format((double) fileLen / 1024) + "K";
        } else if (fileLen < 1073741824) {
            fileSizeString = df.format((double) fileLen / 1048576) + "M";
        } else {/*from   w w  w .  j a  v a  2 s  .c o  m*/
            fileSizeString = df.format((double) fileLen / 1073741824) + "G";
        }
        return fileSizeString;
    }

}

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