NetWorkUtil.java
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package com.sunvote.util;
import android.content.Context;
import android.net.ConnectivityManager;
import android.net.NetworkInfo;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
/**
* Created by Elvis on 2017/8/15 15:03
* Email:Eluis@psunsky.com
* 版权所有：长沙中天电子设计开发有限公司
* Description: 工具包
*/
public class NetWorkUtil {
private NetWorkUtil(){
throw new UnsupportedOperationException("No Impl");
}
/**
* 检测网络是否连接
*/
public static boolean isNetConnected(Context context) {
ConnectivityManager cm = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
if (cm != null) {
NetworkInfo[] infos = cm.getAllNetworkInfo();
if (infos != null) {
for (NetworkInfo ni : infos) {
if (ni.isConnected()) {
return true;
}
}
}
}
return false;
}
/**
* 检测wifi是否连接
*/
public static boolean isWifiConnected(Context context) {
ConnectivityManager cm = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
if (cm != null) {
NetworkInfo networkInfo = cm.getActiveNetworkInfo();
if (networkInfo != null && networkInfo.getType() == ConnectivityManager.TYPE_WIFI) {
return true;
}
}
return false;
}
/**
* 检测3G是否连接
*/
public static boolean is3gConnected(Context context) {
ConnectivityManager cm = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
if (cm != null) {
NetworkInfo networkInfo = cm.getActiveNetworkInfo();
if (networkInfo != null && networkInfo.getType() == ConnectivityManager.TYPE_MOBILE) {
return true;
}
}
return false;
}
/**
* 判断网址是否有效
*/
public static boolean isLinkAvailable(String link) {
Pattern pattern = Pattern.compile("^(http://|https://)?((?:[A-Za-z0-9]+-[A-Za-z0-9]+|[A-Za-z0-9]+)\\.)+([A-Za-z]+)[/\\?\\:]?.*$", Pattern.CASE_INSENSITIVE);
Matcher matcher = pattern.matcher(link);
if (matcher.matches()) {
return true;
}
return false;
}
}