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public long getFileSize(File folder) {
long foldersize = 0;
File[] filelist = folder.listFiles();
for (int i = 0; i < filelist.length; i++) {
if (filelist[i].isDirectory()) {
totalFolder++;
foldersize += getFileSize(filelist[i]);
} else {
totalFile++;
foldersize += filelist[i].length();
}
}
return foldersize;
}