Question

当我从远程文件文本中读取值时，如何在微调器（DropDownList）Android上设置它？

这是教程： Android read text file from internet

感谢您的帮助。

import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.net.HttpURLConnection;
import java.net.MalformedURLException;
import java.net.ProtocolException;
import java.net.URL;

import android.os.Bundle;
import android.widget.Spinner;
import android.app.Activity;

public class SpinnerPopText extends Activity {

    Spinner sp;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.spinnerpoptext);

        new Thread() {
            @Override
            public void run() {
                String path = "http://www.myhost.com/public/country.txt";
                URL u = null;
                try {
                    u = new URL(path);
                    HttpURLConnection c = (HttpURLConnection) u
                            .openConnection();
                    c.setRequestMethod("GET");
                    c.connect();
                    InputStream in = c.getInputStream();
                    final ByteArrayOutputStream bo = new ByteArrayOutputStream();
                    byte[] buffer = new byte[1024];
                    in.read(buffer);
                    bo.write(buffer);

                    runOnUiThread(new Runnable() {
                        @Override
                        public void run() {

                            sp = (Spinner) findViewById(R.id.my_spinner);

                                                        //And here ????

                            try {
                                bo.close();
                            } catch (IOException e) {
                                e.printStackTrace();
                            }
                        }
                    });

                } catch (MalformedURLException e) {
                    e.printStackTrace();
                } catch (ProtocolException e) {
                    e.printStackTrace();
                } catch (IOException e) {
                    e.printStackTrace();
                }

            }
        }.start();
    }
}

Answer 1

取一个数组并将值存储在其中......并将其设置在微调器中......

List<String> collection = new ArrayList<String>(); 
String[] temp; 
while ((line = br.readLine()) != null) { 
   temp = line.split(","); 
   if (temp.length > 0) { 
      for (String s: temp) { 
          collection.add(s); 
      } 
    } 
}

从Android中的远程文件文本中读取值

1 个答案: