package net.smartbetter.mvpdemo.utils; import android.content.Context; import android.net.ConnectivityManager; import android.net.NetworkInfo; import android.telephony.TelephonyManager; import java.io.IOException; import java.net.HttpURLConnection; import java.net.InetAddress; import java.net.NetworkInterface; import java.net.SocketException; import java.net.URL; import java.util.Enumeration; /** * Network * * @author gc * @since 1.1 */ public class NetworkUtil { public static int NET_CNNT_BAIDU_OK = 1; // NetworkAvailable public static int NET_CNNT_BAIDU_TIMEOUT = 2; // No NetworkAvailable public static int NET_NOT_PREPARE = 3; // Net No Ready public static int NET_ERROR = 4; // Net Error private static int TIMEOUT = 3000; // TIMEOUT /** * check NetworkAvailable * * @return */ public static boolean isNetworkAvailable(Context context) { ConnectivityManager manager = (ConnectivityManager) context .getSystemService(Context.CONNECTIVITY_SERVICE); if (null == manager) { return false; } NetworkInfo info = manager.getActiveNetworkInfo(); if (null == info || !info.isAvailable()) { return false; } return true; } /** * get local ip address * * @return */ public static String getLocalIpAddress(Context context) { String localIp = ""; 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()) { localIp = inetAddress.getHostAddress().toString(); } } } } catch (SocketException ex) { ex.printStackTrace(); } return localIp; } /** * get net state * * @return */ public static int getNetState(Context context) { try { ConnectivityManager connectivity = (ConnectivityManager) context .getSystemService(Context.CONNECTIVITY_SERVICE); if (connectivity != null) { NetworkInfo networkinfo = connectivity.getActiveNetworkInfo(); if (networkinfo != null) { if (networkinfo.isAvailable() && networkinfo.isConnected()) { if (!connectionNetwork(context)) { return NET_CNNT_BAIDU_TIMEOUT; } else { return NET_CNNT_BAIDU_OK; } } else { return NET_NOT_PREPARE; } } } } catch (Exception e) { e.printStackTrace(); } return NET_ERROR; } /** * ping "www.baidu.com" * * @return */ private static boolean connectionNetwork(Context context) { boolean result = false; HttpURLConnection httpUrl = null; try { httpUrl = (HttpURLConnection) new URL("www.baidu.com") .openConnection(); httpUrl.setConnectTimeout(TIMEOUT); httpUrl.connect(); result = true; } catch (IOException e) { } finally { if (null != httpUrl) { httpUrl.disconnect(); } httpUrl = null; } return result; } /** * check is 2G * * @return boolean */ public static boolean is2G(Context context) { ConnectivityManager connectivityManager = (ConnectivityManager) context .getSystemService(Context.CONNECTIVITY_SERVICE); NetworkInfo activeNetInfo = connectivityManager.getActiveNetworkInfo(); if (activeNetInfo != null && (activeNetInfo.getSubtype() == TelephonyManager.NETWORK_TYPE_EDGE || activeNetInfo.getSubtype() == TelephonyManager.NETWORK_TYPE_GPRS || activeNetInfo .getSubtype() == TelephonyManager.NETWORK_TYPE_CDMA)) { return true; } return false; } /** * check is3G * * @return boolean */ public static boolean is3G(Context context) { ConnectivityManager connectivityManager = (ConnectivityManager) context .getSystemService(Context.CONNECTIVITY_SERVICE); NetworkInfo activeNetInfo = connectivityManager.getActiveNetworkInfo(); if (activeNetInfo != null && activeNetInfo.getType() == ConnectivityManager.TYPE_MOBILE) { return true; } return false; } /** * check is Wifi * * @return boolean */ public static boolean isWifi(Context context) { ConnectivityManager connectivityManager = (ConnectivityManager) context .getSystemService(Context.CONNECTIVITY_SERVICE); NetworkInfo activeNetInfo = connectivityManager.getActiveNetworkInfo(); if (activeNetInfo != null && activeNetInfo.getType() == ConnectivityManager.TYPE_WIFI) { return true; } return false; } /** * check is wifi on */ public static boolean isWifiEnabled(Context context) { ConnectivityManager mgrConn = (ConnectivityManager) context .getSystemService(Context.CONNECTIVITY_SERVICE); TelephonyManager mgrTel = (TelephonyManager) context .getSystemService(Context.TELEPHONY_SERVICE); return ((mgrConn.getActiveNetworkInfo() != null && mgrConn .getActiveNetworkInfo().getState() == NetworkInfo.State.CONNECTED) || mgrTel .getNetworkType() == TelephonyManager.NETWORK_TYPE_UMTS); } }