android 如何获取同一WiFi下的所有连接终端

编程思路
2025-04-07 07:29:51
推荐回答(1个)
回答1:

import android.app.Activity;
import android.bluetooth.BluetoothAdapter;
import android.content.Context;
import android.content.Intent;
import android.net.wifi.WifiInfo;
import android.net.wifi.WifiManager;
import android.os.Bundle;
import android.widget.TextView;
 
/**
 * 获取手机WIFI的MAC地址
 * @author 单红宇
 *
 */
public class GetmacipinfoActivity extends Activity {
    /** Called when the activity is first created. */
    private static final int REQUEST_ENABLE_BT = 3;
    private WifiManager mWifi;
    private BluetoothAdapter bAdapt;
    private String btMac;
    private String WifiMac;
 
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        mWifi = (WifiManager) getSystemService(Context.WIFI_SERVICE);
 
        if (!mWifi.isWifiEnabled()) {
            mWifi.setWifiEnabled(true);
        }
 
        WifiInfo wifiInfo = mWifi.getConnectionInfo();
 
        bAdapt = BluetoothAdapter.getDefaultAdapter();
 
        if (bAdapt != null) {
            if (!bAdapt.isEnabled()) {
                Intent enBT = new Intent(BluetoothAdapter.ACTION_REQUEST_ENABLE);
                startActivityForResult(enBT, REQUEST_ENABLE_BT);
            }
 
            btMac = bAdapt.getAddress();
        } else {
            btMac = "No Bluetooth Device!";
        }
 
        if ((WifiMac = wifiInfo.getMacAddress()) == null) {
            WifiMac = "No Wifi Device";
        }
 
        TextView mac = (TextView) findViewById(R.id.macView);
        mac.setTextSize(16);
         
//      查看已经连接上的WIFI信息,在Android的SDK中为我们提供了一个叫做WifiInfo的对象,这个对象可以通过WifiManager.getConnectionInfo()来获取。WifiInfo中包含了当前连接中的相关信息。
//      getBSSID()  获取BSSID属性
//      getDetailedStateOf()  获取客户端的连通性
//      getHiddenSSID()  获取SSID 是否被隐藏
//      getIpAddress()  获取IP 地址
//      getLinkSpeed()  获取连接的速度
//      getMacAddress()  获取Mac 地址
//      getRssi()  获取802.11n 网络的信号
//      getSSID()  获取SSID
//      getSupplicanState()  获取具体客户端状态的信息
        StringBuffer sb = new StringBuffer();
        sb.append("\n获取BSSID属性(所连接的WIFI设备的MAC地址):" + wifiInfo.getBSSID());
//      sb.append("getDetailedStateOf()  获取客户端的连通性:");
        sb.append("\n\n获取SSID 是否被隐藏:"+ wifiInfo.getHiddenSSID());
        sb.append("\n\n获取IP 地址:" + wifiInfo.getIpAddress());
        sb.append("\n\n获取连接的速度:" + wifiInfo.getLinkSpeed());
        sb.append("\n\n获取Mac 地址(手机本身网卡的MAC地址):" + WifiMac);
        sb.append("\n\n获取802.11n 网络的信号:" + wifiInfo.getRssi());
        sb.append("\n\n获取SSID(所连接的WIFI的网络名称):" + wifiInfo.getSSID());
        sb.append("\n\n获取具体客户端状态的信息:" + wifiInfo.getSupplicantState());
        mac.setText("WIFI网络信息:  " + sb.toString() + "\n\n蓝牙MAC:  " + btMac);
    }
}

看下这段代码或许对你有帮助!!

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