Android get folder, file size in B, KB, MB, GB

Source: Internet
Author: User

Android get folder, file size in B, KB, MB, GB

 public class Filesizeutil {public static final int sizetype_b = 1;//Gets the double value of file size unit B public static final int sizety pe_kb = 2;//Gets the file size in kilobytes of double value public static final int sizetype_mb = 3;//Gets the file size unit to MB Double value public static final int sizety PE_GB = 4;//Gets the file size unit is a double value of GB/*** gets the size of the specified unit of file specified by the file * @param filePath file path * @param sizeType gets the size of type 1 for B, 2 KB, 3 MB, 4 for gb* @ Return the size of the double value */public static double getfileorfilessize (String filepath,int sizeType) {file File=new file (FilePath); Long Blocksize=0;try {if (File.isdirectory ()) {blockSize = getfilesizes (file);} Else{blocksize = getfilesize (file);}} catch (Exception e) {e.printstacktrace (); LOG.E ("Get File Size", "Get failed!");} Return Formetfilesize (BlockSize, sizeType);} /*** call this method to automatically calculate the size of the specified file or the specified folder * @param filePath file path * @return calculated string with B, KB, MB, GB, */public static string Getautofileorfilessize (String filePath) {file File=new file (FilePath); long Blocksize=0;try {if (File.isdirectory ()) { BlockSize = getfilesizes (file);} Else{blocksize = getfilesize (file);}} catch (EXception e) {e.printstacktrace (); LOG.E ("Get File Size", "Get failed!");} Return Formetfilesize (blockSize);} /*** gets the specified file size * @param f* @return * @throws exception*/private static long getfilesize (file file) throws Exception{long size = 0; if (File.exists ()) { fileinputstream FIS = Null; fis = new FileInputStream (file);  size = Fis.ava Ilable ();  } else{ file.createnewfile (); &NBSP;LOG.E ("Get File Size", "file does not exist!");  } return size;}  /*** gets the specified folder * @param f* @return * @throws exception*/private static long getfilesizes (File f) throws Exception{long S ize = 0; File flist[] = F.listfiles (); for (int i = 0; i < flist.length; i++) {if (Flist[i].isdirectory ()) {size = size + Getfilesi Zes (Flist[i]);} Else{size =size + getfilesize (Flist[i]);}} return size;} /** * Convert File size  * @param files * @return  */private static String formetfilesize (long files) { DecimalFormat df = new DecimalFormat ("#.00"); String filesizestring = ""; String wrongsize= "0B"; if (files==0) {return wrongsize;} if (Files < 1024x768) {filesizestring = Df.format (double) fileS) + "B";  }else if (Files < 1048576) {filesizestring = Df.format (double) files/1024) + "KB";} else if (FileS < 1073741824) {    filesizestring = Df.format ((double) files/1048576) + "MB"; }else{&nb Sp   filesizestring = Df.format ((double) files/1073741824) + "GB"; }return filesizestring;} /** * Convert file size, specify the type of conversion  * @param files  * @param sizetype  * @return  */private Static Double formetfilesize (Long Files,int sizeType) {DecimalFormat df = new DecimalFormat ("#.00");d ouble filesizelong = 0; Switch (sizeType) {case sizetype_b:filesizelong=double.valueof (Df.format (Double) fileS); Break;case sizetype_kb: Filesizelong=double.valueof (Df.format (Double) files/1024); Break;case sizetype_mb:filesizelong=double.valueof ( Df.format (double) files/1048576) Break;case sizetype_gb:filesizelong=double.valueof (Df.format (double) FileS/ 1073741824)); break;default:break;} return Filesizelong;}

Android Get folder, file size in B, KB, MB, GB

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