这是我在网上找到的代码，修改了url后，openmv连接显示的IP地址并不对

package com.cyk.OpenMvViewModel;

import java.io.InputStream;
import java.net.HttpURLConnection;
import java.net.URL;

import android.app.Activity;
import android.content.pm.ActivityInfo;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.RectF;
import android.os.Bundle;
import android.util.Log;
import android.view.SurfaceHolder;
import android.view.Window;
import android.view.SurfaceHolder.Callback;
import android.view.SurfaceView;
import com.cyk.decktop.R;

public class OpenMvConnect extends Activity implements Runnable{

private final String TAG = "OpenMvConnect";
private SurfaceHolder holder;
private Thread mythread;
private Canvas canvas;
URL videoUrl;
private String url;
private int w;
private int h;
HttpURLConnection conn;
Bitmap bmp;
@Override
protected void onCreate(Bundle savedInstanceState) {
    requestWindowFeature(Window.FEATURE_NO_TITLE);
    setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE);
    // TODO Auto-generated method stub
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);

    url = "http://192.168.247.2:8080/";

    w = getWindowManager().getDefaultDisplay().getWidth();
    h = getWindowManager().getDefaultDisplay().getHeight();

    SurfaceView surface = (SurfaceView)findViewById(R.id.surface);

    surface.setKeepScreenOn(true);// 保持屏幕常亮
    mythread = new Thread(this);
    holder = surface.getHolder();
    holder.addCallback(new Callback() {

        @Override
        public void surfaceDestroyed(SurfaceHolder holder) {
            // TODO Auto-generated method stub

        }

        @Override
        public void surfaceCreated(SurfaceHolder holder) {
            // TODO Auto-generated method stub
            mythread.start();
        }

        @Override
        public void surfaceChanged(SurfaceHolder holder, int format, int width,
                                   int height) {
            // TODO Auto-generated method stub

        }
    });
    mythread.start();
}
private void draw() {
    // TODO Auto-generated method stub
    try {
        InputStream inputstream = null;
        videoUrl=new URL(url);
        //利用HttpURLConnection对象从网络中获取网页数据
        conn = (HttpURLConnection)videoUrl.openConnection();
        //设置输入流
        conn.setDoInput(true);
        //连接
        conn.connect();
        //得到网络返回的输入流
        inputstream = conn.getInputStream();
        //创建出一个bitmap
        bmp = BitmapFactory.decodeStream(inputstream);
        canvas = holder.lockCanvas();
        canvas.drawColor(Color.WHITE);
        RectF rectf = new RectF(0, 0, w, h);
        canvas.drawBitmap(bmp, null, rectf, null);
        holder.unlockCanvasAndPost(canvas);
        //关闭HttpURLConnection连接
        conn.disconnect();
    } catch (Exception ex) {
    } finally {
    }
}

@Override
public void run() {
    // TODO Auto-generated method stub
    Log.d(TAG,"OpenMvConnect:run");
    while(true){
        draw();
    }
}

public void startActivity() {
}

}

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