获取wifi热点SSID和密码demo

package com.example.demo; import android.app.Activity; import android.util.Log; import android.app.ProgressDialog; import android.content.Context; import android.net.wifi.WifiConfiguration; import android.net.wifi.WifiManager; import android.os.AsyncTask; import android.os.Bundle; import android.view.View; import android.view.WindowManager; import android.widget.Button; import android.net.wifi.WifiInfo; public class WifiAP extends Activity { private WifiManager mWifiManager; private WifiConfiguration mWifiConfig = null; String IP = null; @Override protected void onCreate(Bundle icicle) { super.onCreate(icicle); setContentView(R.layout.main); mWifiManager = (WifiManager) getSystemService(WIFI_SERVICE); mWifiConfig = mWifiManager.getWifiApConfiguration(); WifiInfo info = mWifiManager.getConnectionInfo(); Log.i("zgj_apn", "Wifi APP demo"); Log.i("zgj_apn", "VPN SSID :" + mWifiConfig.SSID); Log.i("zgj_apn", "VPN password : " + mWifiConfig.preSharedKey); Log.i("zgj_apn", "VPN MAC :" + info.getMacAddress()); IP = getIp(); Log.i("zgj_apn", "VPN IP :" + IP); } private String intToIp(int ip) { return (ip & 0xFF) + "." + ((ip >> 8) & 0xFF) + "." + ((ip >> 16) & 0xFF) + "." + ((ip >> 24) & 0xFF); } private String getIp() { // 获取wifi服务 WifiManager wifiManager = (WifiManager) getSystemService(Context.WIFI_SERVICE); // 判断wifi是否开启 if(wifiManager.isWifiEnabled()) {//前提是必须连上wifi才可获取分配的ip //wifiManager.setWifiEnabled(true); WifiInfo wifiInfo = wifiManager.getConnectionInfo(); int ipAddress = wifiInfo.getIpAddress(); return intToIp(ipAddress); } return "127.0.0.1"; } }