我是Android开发的初学者,我正在使用我的fisrt应用程序,我遇到了一个问题.我必须下载一些图像投掷互联网,并在活动中显示它们.我有一个UI延迟,直到下载图像,所以我必须使用多线程.
我阅读了更多关于它的内容,我认为最简单的是使用AsyncTask,但我发现了一个异常: Only the original thread that created a view hierarchy can touch its views.
我需要帮助.可以帮助我吗？代码是这样的:
public class Main extends Activity{
protected void onCreate(Bundle savedInstanceState) {
// TODO Auto-generated method stub
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
Download download = new Download();
download.execute(null);
}
private class Download extends AsyncTask<String, Void, String>{
ImageButtonOverloaded[] imgView = new ImageButtonOverloaded[24];
TextView[] textView = new TextView[24];
@Override
protected String doInBackground(String... params) {
try{
URL url = null;
url = new URL(StaticClass.URL_HOST + "front_page_last_games_plaintext.php");
URLConnection conn = url.openConnection();
BufferedReader reader …