xml 使用NanoHTTPD的Android简单Web服务器(http://elonen.iki.fi/code/nanohttpd)

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<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:orientation="vertical"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    >
<TextView  
    android:id="@+id/ipaddr"
    android:layout_width="fill_parent" 
    android:layout_height="wrap_content" 
    android:paddingBottom="40dp"
    />
<TextView  
    android:id="@+id/hello"
    android:layout_width="fill_parent" 
    android:layout_height="wrap_content" 
    android:text="@string/hello"
    />
</LinearLayout>
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:orientation="vertical"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    >
<TextView  
    android:id="@+id/ipaddr"
    android:layout_width="fill_parent" 
    android:layout_height="wrap_content" 
    android:paddingBottom="40dp"
    />
<TextView  
    android:id="@+id/hello"
    android:layout_width="fill_parent" 
    android:layout_height="wrap_content" 
    android:text="@string/hello"
    />
</LinearLayout>
package com.komamitsu;

import java.io.IOException;
import java.util.Map.Entry;
import java.util.Properties;

import android.app.Activity;
import android.net.wifi.WifiManager;
import android.os.Bundle;
import android.os.Handler;
import android.widget.TextView;

public class AndroidWebServerActivity extends Activity {
  private static final int PORT = 8765;
  private TextView hello;
  private MyHTTPD server;
  private Handler handler = new Handler();

  @Override
  public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.main);
    hello = (TextView) findViewById(R.id.hello);
  }

  @Override
  protected void onResume() {
    super.onResume();

    TextView textIpaddr = (TextView) findViewById(R.id.ipaddr);
    WifiManager wifiManager = (WifiManager) getSystemService(WIFI_SERVICE);
    int ipAddress = wifiManager.getConnectionInfo().getIpAddress();
    final String formatedIpAddress = String.format("%d.%d.%d.%d", (ipAddress & 0xff), (ipAddress >> 8 & 0xff),
        (ipAddress >> 16 & 0xff), (ipAddress >> 24 & 0xff));
    textIpaddr.setText("Please access! http://" + formatedIpAddress + ":" + PORT);

    try {
      server = new MyHTTPD();
    } catch (IOException e) {
      e.printStackTrace();
    }
  }

  @Override
  protected void onPause() {
    super.onPause();
    if (server != null)
      server.stop();
  }

  private class MyHTTPD extends NanoHTTPD {
    public MyHTTPD() throws IOException {
      super(PORT, null);
    }

    @Override
    public Response serve(String uri, String method, Properties header, Properties parms, Properties files) {
      final StringBuilder buf = new StringBuilder();
      for (Entry<Object, Object> kv : header.entrySet())
        buf.append(kv.getKey() + " : " + kv.getValue() + "\n");
      handler.post(new Runnable() {
        @Override
        public void run() {
          hello.setText(buf);
        }
      });

      final String html = "<html><head><head><body><h1>Hello, World</h1></body></html>";
      return new NanoHTTPD.Response(HTTP_OK, MIME_HTML, html);
    }
  }
}
    <uses-permission android:name="android.permission.ACCESS_WIFI_STATE"></uses-permission>
    <uses-permission android:name="android.permission.INTERNET"></uses-permission>

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