刷新adaptergridAdapter.notifyDataSetChanged();
通過地址獲取bigmap
URL url=new URL("路徑");
HttpURLConnection urlConnection = (HttpURLConnection) url.openConnection();
urlConnection.setDoInput(true);
urlConnection.setConnectTimeout(6*1000);
urlConnection.connect();
InputStream inputStream = urlConnection.getInputStream();
//用bitmap名字獲取bitmap
Bitmap bitmap = BitmapFactory.decodeStream(inputStream);
inputStream.close();
return bitmap;