Android：下載從URL返回的Zip文件

Question

如果我有一個網址，當它在網絡瀏覽器中提交時，會彈出一個對話框來保存一個zip文件......我如何去捕獲和下載這個zip文件的android？

Answer 1

public void downloadFromUrl(String url, String outputFileName) { 


    File dir = new File(Environment.getExternalStorageDirectory() + "/"); 
    if (dir.exists() == false) { 
     dir.mkdirs(); 
    } 
    try { 
     URL downloadUrl = new URL(url); // you can write any link here 

     File file = new File(dir, outputFileName);   
     /* Open a connection to that URL. */ 
     URLConnection ucon = downloadUrl.openConnection(); 

     /* 
     * Define InputStreams to read from the URLConnection. 
     */ 
     InputStream is = ucon.getInputStream(); 
     BufferedInputStream bis = new BufferedInputStream(is); 

     /* 
     * Read bytes to the Buffer until there is nothing more to read(-1). 
     */ 
     ByteArrayBuffer baf = new ByteArrayBuffer(5000); 
     int current = 0; 
     while ((current = bis.read()) != -1) { 
      baf.append((byte) current); 
     } 

     /* Convert the Bytes read to a String. */ 
     FileOutputStream fos = new FileOutputStream(file);   
     fos.write(baf.toByteArray()); 
     fos.flush(); 
     fos.close(); 




    } catch (IOException e) { 
     e.printStackTrace(); 


    } 



} 

Answer 2

使用DownloadManager下載Url，雖然我不確定是否有任何重定向，但DownloadManager會照顧它。