Android-ViewRootImpl $ CalledFromWrongThreadException

放进去

onCreate()

ImageView imageView;    @Override    public void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.order);        imageView = (ImageView)findViewById(R.id.imgView);        new DownloadFilesTask().execute();}

你的

AsyncTask

        private class DownloadFilesTask extends AsyncTask<Void, Void, Void> {  Drawable drawable;  @Override  protected Void doInBackground(Void... params) {  drawable = createDrawableFromURL(  "http://savagelook.com/misc/sl_drop2.png");   return null;  }  protected void onPostExecute(Void result) {         imageView.setImageDrawable(drawable); }       }