Android实现图片上传

最新推荐文章于 2024-10-29 11:14:38 发布

weixin_33947521

最新推荐文章于 2024-10-29 11:14:38 发布

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CC 4.0 BY-SA版权

文章标签：移动开发

原文链接：https://my.oschina.net/hjwsun/blog/508733

为什么80%的码农都做不了架构师？>>>   
 
  class 
  NormalLoadPictrue { 
 
  private 
  String uri; 
 
  private 
  ImageView imageView; 
 
  private 
  byte 
  [] picByte; 
 
  public 
  void 
  getPicture(String uri,ImageView imageView){ 
 
  this 
  .uri = uri; 
 
  this 
  .imageView = imageView; 
 
  new 
  Thread(runnable).start(); 
 
  } 
 
  @SuppressLint 
  ( 
  "HandlerLeak" 
  ) 
 
  Handler handle =  
  new 
  Handler(){ 
 
  @Override 
 
  public 
  void 
  handleMessage(Message msg) { 
 
  super 
  .handleMessage(msg); 
 
  if 
  (msg.what ==  
  1 
  ) { 
 
  if 
  (picByte !=  
  null 
  ) { 
 
  Bitmap bitmap = BitmapFactory.decodeByteArray(picByte,  
  0 
  , picByte.length); 
 
  imageView.setImageBitmap(bitmap); 
 
  } 
 
  } 
  else 
  if 
  (msg.what ==  
  1 
  ){ 
 
  ToastUtil.show( 
  "图片下载失败！" 
  ); 
 
  } 
 
  } 
 
  }; 
 
  Runnable runnable =  
  new 
  Runnable() { 
 
  @Override 
 
  public 
  void 
  run() { 
 
  try 
  { 
 
  URL url =  
  new 
  URL(uri); 
 
  HttpURLConnection conn = (HttpURLConnection)url.openConnection(); 
 
  conn.setRequestMethod( 
  "GET" 
  ); 
 
  conn.setReadTimeout( 
  10000 
  ); 
 
  if 
  (conn.getResponseCode() ==  
  200 
  ) { 
 
  InputStream fis =  conn.getInputStream(); 
 
  ByteArrayOutputStream bos =  
  new 
  ByteArrayOutputStream(); 
 
  byte 
  [] bytes =  
  new 
  byte 
  [ 
  1024 
  ]; 
 
  int 
  length = - 
  1 
  ; 
 
  while 
  ((length = fis.read(bytes)) != - 
  1 
  ) { 
 
  bos.write(bytes,  
  0 
  , length); 
 
  } 
 
  picByte = bos.toByteArray(); 
 
  bos.close(); 
 
  fis.close(); 
 
  Message message =  
  new 
  Message(); 
 
  message.what =  
  1 
  ; 
 
  handle.sendMessage(message); 
 
  } 
 
  } 
  catch 
  (ConnectTimeoutException e) { 
 
  Message message =  
  new 
  Message(); 
 
  message.what =  
  2 
  ; 
 
  handle.sendMessage(message); 
 
  e.printStackTrace(); 
 
  }  
  catch 
  (ClientProtocolException e) { 
 
  Message message =  
  new 
  Message(); 
 
  message.what =  
  2 
  ; 
 
  handle.sendMessage(message); 
 
  e.printStackTrace(); 
 
  }  
  catch 
  (SocketTimeoutException e) { 
 
  Message message =  
  new 
  Message(); 
 
  message.what =  
  2 
  ; 
 
  handle.sendMessage(message); 
 
  e.printStackTrace(); 
 
  }  
  catch 
  (UnsupportedEncodingException e) { 
 
  Message message =  
  new 
  Message(); 
 
  message.what =  
  2 
  ; 
 
  handle.sendMessage(message); 
 
  e.printStackTrace(); 
 
  }  
  catch 
  (IOException e) { 
 
  Message message =  
  new 
  Message(); 
 
  message.what =  
  2 
  ; 
 
  handle.sendMessage(message); 
 
  e.printStackTrace(); 
 
  }  
  catch 
  (Exception e) { 
 
  Message message =  
  new 
  Message(); 
 
  message.what =  
  2 
  ; 
 
  handle.sendMessage(message); 
 
  e.printStackTrace(); 
  // TODO: handle exception 
 
  } 
 
  } 
 
  }; 
 
  }