这个就是通过广播监听wifi发生变化提示用户 / 监控Wifi状态的广播接收器 / privatefinalclassWifiStateReceiverextendsBroadcastReceiver{ @Override publicvoidonReceive(Contextc,Intentintent){ Bundlebundle=intent.getExtras(); intstatusInt=bundle.getInt("wifi_state"); switch(statusInt){ caseWifiManager.WIFI_STATE_UNKNOWN: break; caseW...