2012-05-02 46 views
1

我想在Android上壓縮使用zip,但它不工作。它確實創建了一個大小爲3KB的zip文件夾,但就是這樣。我做錯了什麼?不能在Android上壓縮

public static void compress(String infile, String outfile){ 
    try { 
     BufferedInputStream origin = null; 
     FileOutputStream dest = new FileOutputStream(outfile); 
     ZipOutputStream out = new ZipOutputStream(new BufferedOutputStream(dest)); 
     byte data[] = new byte[BUFFER]; 
     File f = new File(infile); 
     Log.d(TAG, "Only one file found"); 
     FileInputStream fi = new FileInputStream(f); 
     Log.d(TAG, "File Input Stream available " + fi.available()); 
     origin = new BufferedInputStream(fi, BUFFER); 
     ZipEntry entry = new ZipEntry(infile); 
     int count; 
     out.putNextEntry(entry); 
     while((count = origin.read(data, 0, BUFFER)) != -1) { 
       out.write(data, 0, count); 
      } 
     origin.close(); 


     out.close(); 
     } catch(Exception e) { 
     e.printStackTrace(); 
     } 

} 

我的調用函數是這樣

String outFile="/sdcard/CPTA/test.zip"; 
String inFile="/sdcard/CPTA/iso_3166-1_list_en.xml"; 
ZipUtility.compress(inFile, outFile); 
+0

你的代碼看起來不錯。你確定你的3KB輸出是錯誤的嗎?運行'unzip -l/sdcard/CPTA/test.zip'並查看你的文件是否在那裏。 –

+0

我打開它內置的Windows壓縮系統和它的空。 – minhaz

+0

一個空的zip文件應該比3KB小得多。該文件還有什麼? –

回答

1

以防萬一,我想補充closeEntry。

 out.putNextEntry(entry); 
    while((count = origin.read(data, 0, BUFFER)) != -1) { 
      out.write(data, 0, count); 
     } 
    origin.close(); 
    out.closeEntry(); 
+0

試過這個,仍然沒有工作。 – minhaz