获取Android手机WiFi局域网下ip地址和MAC地址以及网关地址的小程序.zip

package com.example.defangfang.getipinfoonandroid; import android.os.Bundle; import android.os.Handler; import android.os.Message; import android.support.v7.app.AppCompatActivity; import android.text.Html; import android.util.Log; import android.view.View; import android.widget.Button; import android.widget.TextView; import org.json.JSONObject; import java.io.BufferedReader; import java.io.IOException; import java.io.InputStream; import java.io.InputStreamReader; import java.net.HttpURLConnection; import java.net.MalformedURLException; import java.net.URL; import okhttp3.OkHttpClient; import okhttp3.Request; import okhttp3.Response; public class MainActivity extends AppCompatActivity { static final String TAG = "MainActivity"; public static final int UPDATE_TEXT = 1; Button mButton; TextView textview; private Handler mHandler = new Handler(){ @Override public void handleMessage(Message msg) { switch (msg.what){ case UPDATE_TEXT: IPInfomation ipinfo = new IPInfomation(MainActivity.this); String ipadd = ipinfo.getWIFILocalIpAdress(); String macadd = ipinfo.getMacAddress(); //String hostip = ipinfo.getHostAddress(); Log.i(TAG, "onClick: sfafdasf"); //textview.setText("内网ip为："+ipadd+"\nMAC地址为："+macadd); String hostip = (String) msg.obj; //String ipinfo = (String)textview.getText(); textview.setText("内网ip为："+ipadd+"\nMAC地址为："+macadd+"\n网关地址为："+hostip); break; default: break; } } }; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); mButton = (Button) findViewById(R.id.button); textview = (TextView) findViewById(R.id.textView); mButton.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { new Thread(new Runnable() { @Override public void run() { URL infoUrl = null; InputStream inStream = null; Log.i(TAG, "haha"); try { OkHttpClient client = new OkHttpClient(); Request request = new Request.Builder().url("http://1212.ip138.com/ic.asp").build(); Response response = client.newCall(request).execute(); String responseData = response.body().string(); responseData = Html.fromHtml(responseData).toString(); String hostIp = responseData.substring(responseData.indexOf("[") + 1, responseData.indexOf("]")); Log.i(TAG, hostIp); Message message = new Message(); message.what = UPDATE_TEXT; message.obj = hostIp; mHandler.sendMessage(message); } catch(MalformedURLException e) { e.printStackTrace(); } catch (IOException e) { e.printStackTrace(); } //下面的操作只是对通过淘宝接口获取的一次尝试，经实践证实，失败了。 String IP = ""; try { String address = "http://ip.taobao.com/service/getIpInfo2.php?ip=myip"; URL url = new URL(address); HttpURLConnection connection = (HttpURLConnection) url .openConnection(); connection.setUseCaches(false); if (connection.getResponseCode() == HttpURLConnection.HTTP_OK) { InputStream in = connection.getInputStream(); // 将流转化为字符串 BufferedReader reader = new BufferedReader( new InputStreamReader(in)); String tmpString = ""; StringBuilder retJSON = new StringBuilder(); while ((tmpString = reader.readLine()) != null) { retJSON.append(tmpString + "\n"); } Log.i(TAG, retJSON.toString()); JSONObject jsonObject = new JSONObject(retJSON.toString()); String code = jsonObject.getString("code"); if (code.equals("0")) { JSONObject data = jsonObject.getJSONObject("data"); IP = data.getString("ip") + "(" + data.getString("country") + data.getString("area") + "区" + data.getString("region") + data.getString("city") + data.getString("isp") + ")"; Log.e(TAG, "您的IP地址是：" + IP); } else { IP = ""; Log.e(TAG, "IP接口异常，无法获取IP地址！"); } } else { IP = ""; Log.e(TAG, "网络连接异常，无法获取IP地址！"); } } catch (Exception e) { IP = ""; Log.e(TAG, "获取IP地址时出现异常，异常信息是：" + e.toString()); } } }).start(); } }); Log.i(TAG, "onCreate: "); } }