Android從網路下載檔案

1.主Activity

   MainActivity        Button download=      EditText url=                                  .download=(Button)          .url=(EditText)                   .download.setOnClickListener(           ClickListener                          String httpUrl=                                                 URL url=                               }                                                  DownLoad(                                         Thread(                                                                                                        Thread.sleep(2000                                                                          String path=                                                                          File file= File(path+"/Mp3"                                                                          (!                                                                                                                      File files= File(file.getAbsolutePath(),"a.mp3"                                     @SuppressWarnings("resource"                                                                          FileOutputStream  fileoutputstream=                                                                          HttpURLConnection http=                                                                          http.setRequestMethod("GET"                                                                          http.setConnectTimeout(5000                                                                          (http.getResponseCode()==200                                                                                   InputStream inputstream=                                                                                  [] data=                                                                                   System.out.println("下載成功"                                                                                                                                                                         }

2.讀取網路資料的WebTools工具類

   [] getData(InputStream input)         [] buffer= [5000        ByteArrayOutputStream output= len=0((len=input.read(buffer))!=-1            output.write(buffer, 0        

3.介面預覽圖

4.結果圖