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                合規國際互聯網加速 OSASE為企業客戶提供高速穩定SD-WAN國際加速解決方案。 廣告
                大家好,我們這一節講一下,Android獲取Ip的一些方法,在我們開發中,有判斷手機是否聯網,或者想獲得當前手機的Ip地址,當然WIFI連接的和 我們3G卡的Ip地址當然是不一樣的. ? 首先我嘗試了如下方法: ? ~~~ WifiManager wifiManager = (WifiManager) getSystemService(WIFI_SERVICE);WifiInfo wifiInfo = wifiManager.getConnectionInfo();int ipAddress = wifiInfo.getIpAddress(); ~~~ 但是獲得的居然是一個整數,我嘗試了用些數學方法都沒有成功!,所以這種方法不可取! ? 最后查了一些資料,發現如下方法是比較通用的,我嘗試了WIFI和G3卡,都獲取了爭取的Ip地址:代碼如下: ? ~~~ public String getLocalIpAddress() { try { for (Enumeration<NetworkInterface> en = NetworkInterface.getNetworkInterfaces(); en.hasMoreElements();) { NetworkInterface intf = en.nextElement(); for (Enumeration<InetAddress> enumIpAddr = intf.getInetAddresses(); enumIpAddr.hasMoreElements();) { InetAddress inetAddress = enumIpAddr.nextElement(); if (!inetAddress.isLoopbackAddress()) { return inetAddress.getHostAddress().toString(); } } } } catch (SocketException ex) { Log.e(LOG_TAG, ex.toString()); } return null;} ~~~ ? 當我的手機處于飛行狀態是,獲得Ip地址為空,剛好符合要求!!! ? 希望對大家有所幫助!謝謝~
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