在Android上，一个完整的UDP通信模块应该是怎样的？

localUser = new Users();

}

if (remoteUser == null) {

remoteUser = new Users();

}

localUser.setImei(DeviceUtil.getDeviceId(mContext));

localUser.setSoftVersion(DeviceUtil.getPackageVersionCode(mContext));

if (WifiUtil.getInstance(mContext).isWifiApEnabled()) {// 断定当前是否是开启热点方

localUser.setIp("192.168.43.1");

} else {// 当前是开启 wifi 方

localUser.setIp(WifiUtil.getInstance(mContext).getLocalIPAddress());

remoteUser.setIp(WifiUtil.getInstance(mContext).getServerIPAddress());

}

/**

* IMEI. Returns the unique device ID, for example, the IMEI for GSM and the MEID

* or ESN for CDMA phones. Return null if device ID is not available.

*

* Requires Permission: READ_PHONE_STATE

* @param context

* @return

public synchronized static String getDeviceId(Context context) {

if (context == null) {

return "";

}

String imei = "";

try {

TelephonyManager tm = (TelephonyManager) context.getSystemService(Context.TELEPHONY_SERVICE);

if (tm == null || TextUtils.isEmpty(tm.getDeviceId())) {

// 双卡双待须要经由过程phone1和phone2获取imei，默认取phone1的imei。

tm = (TelephonyManager) context.getSystemService(

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