package com.chengxinet.bobo.utils;
import android.content.Context;
import android.net.ConnectivityManager;
import android.net.NetworkInfo;
import android.telephony.TelephonyManager;
/**
* Created by Administrator on 2016/1/7.
*/
public class NetworkUtils {
public static boolean isNetworkAvailable(Context c) {
Context context = c.getApplicationContext();
// 獲取手機所有連接管理對象（包括對wi-fi,net等連接的管理）
ConnectivityManager connectivityManager = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
if (connectivityManager == null) {
return false;
} else {
// 獲取NetworkInfo對象
NetworkInfo[] networkInfo = connectivityManager.getAllNetworkInfo();
if (networkInfo != null && networkInfo.length > 0) {
for (NetworkInfo aNetworkInfo : networkInfo) {
// System.out.println(i + "===狀態===" + networkInfo[i].getState());
// System.out.println(i + "===類型===" + networkInfo[i].getTypeName());
// 判斷當前網絡狀態是否為連接狀態
if (aNetworkInfo.getState() == NetworkInfo.State.CONNECTED) {
return true;
}
}
}
}
return false;
}
/**
* 判斷WIFI是否打開
* @param context
* @return
*/
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);
}
/**
* 判斷是否是3G網絡
* @param context
* @return
*/
public static boolean is3rd(Context context) {
ConnectivityManager cm = (ConnectivityManager) context
.getSystemService(Context.CONNECTIVITY_SERVICE);
NetworkInfo networkINfo = cm.getActiveNetworkInfo();
if (networkINfo != null
&& networkINfo.getType() == ConnectivityManager.TYPE_MOBILE) {
return true;
}
return false;
}
/**
* 判斷是wifi還是3g網絡
* @param context
* @return
*/
public static boolean isWifi(Context context) {
ConnectivityManager cm = (ConnectivityManager) context
.getSystemService(Context.CONNECTIVITY_SERVICE);
NetworkInfo networkINfo = cm.getActiveNetworkInfo();
if (networkINfo != null
&& networkINfo.getType() == ConnectivityManager.TYPE_WIFI) {
return true;
}
return false;
}
}