Google Android - это несложно

Код: Выделить всё

File file = new File("/mnt/sdcard/testfile.xml");
OutputStream out=new FileOutputStream(file);
  byte buf[]=new byte[1024];
  int len;
  while((len=is.read(buf))>0)
  out.write(buf,0,len);
  out.close();
  inputStream.close();

Код: Выделить всё

 try {
				InputStream is = (InputStream) new URL("http://yandex.st/morda-logo/i/logo.png").getContent();
				
				File file = new File("/mnt/sdcard/testfile.png");

				OutputStream out=new FileOutputStream(file);
				
				  byte buf[]=new byte[1024];
				
				  int len;
				
				  while((len=is.read(buf))>0)
				
				  out.write(buf,0,len);
				
				  out.close();
				
				  is.close();
				
			} catch (MalformedURLException e) {
				// TODO Auto-generated catch block
				Toast.makeText(this, "error", Toast.LENGTH_LONG).show();
			} catch (IOException e) {
				// TODO Auto-generated catch block
				Toast.makeText(this, "error 2", Toast.LENGTH_LONG).show();
			}

Код: Выделить всё

InputStream is = (InputStream) new URL("http://yandex.st/morda-logo/i/logo.png").getContent();