package com.hdmes.handingv2017.NetUtils;
import android.annotation.TargetApi;
import android.content.Context;
import android.net.ConnectivityManager;
import android.net.Network;
import android.net.NetworkInfo;
import android.os.Build;
import android.support.annotation.NonNull;
/**
* ===========================================
* 作 者：fusanjie
* 版 本：1.0
* 创建日期：2017-12-01.
* 描 述：网络检测工具类
* ===========================================
*/
public class NetworkUtils {
//没有连接网络
public static final int NETWORK_NONE = -1;
//移动网络
public static final int NETWORK_MOBILE = 0;
//无线网络
public static final int NETWORK_WIFI = 1;
private NetworkUtils() {
}
/**
* 判断网络是否连接
*
* @param context
* @return
*/
public static boolean isConnected(@NonNull Context context) {
ConnectivityManager connMgr = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
NetworkInfo networkInfo = connMgr.getActiveNetworkInfo();
return (networkInfo != null && networkInfo.isConnected());
}
/**
* 判断WIFI是否连接
*
* @param context
* @return
*/
public static boolean isWifiConnected(@NonNull Context context) {
return isConnected(context, ConnectivityManager.TYPE_WIFI);
}
/**
* 判断移动网络是否连接
*
* @param context
* @return
*/
public static boolean isMobileConnected(@NonNull Context context) {
return isConnected(context, ConnectivityManager.TYPE_MOBILE);
}
private static boolean isConnected(@NonNull Context context, int type) {
ConnectivityManager connMgr = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
//检测API是否小于21，因为API21之后getNetworkInfo(int networkType)方法被弃用
if (Build.VERSION.SDK_INT < Build.VERSION_CODES.LOLLIPOP) {
NetworkInfo networkInfo = connMgr.getNetworkInfo(type);
return networkInfo != null && networkInfo.isConnected();
} else {
return isConnected(connMgr, type);
}
}
@TargetApi(Build.VERSION_CODES.LOLLIPOP)
private static boolean isConnected(@NonNull ConnectivityManager connMgr, int type) {
Network[] networks = connMgr.getAllNetworks();
NetworkInfo networkInfo;
for (Network mNetwork : networks) {
networkInfo = connMgr.getNetworkInfo(mNetwork);
if (networkInfo != null && networkInfo.getType() == type && networkInfo.isConnected()) {
return true;
}
}
return false;
}
/**
* 检测网络类型
* @param context
* @return
*/
public static int checkNetWorkState(@NonNull Context context) {
ConnectivityManager connectivityManager = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
//检测API是否小于21，因为API21之后getNetworkInfo(int networkType)方法被弃用
if (Build.VERSION.SDK_INT < Build.VERSION_CODES.LOLLIPOP) {
//获取WIFI连接的信息
NetworkInfo wifiNetworkInfo = connectivityManager.getNetworkInfo(ConnectivityManager.TYPE_WIFI);
//获取移动数据连接的信息
NetworkInfo mobileNetworkInfo = connectivityManager.getNetworkInfo(ConnectivityManager.TYPE_MOBILE);
if (wifiNetworkInfo.isConnected()) {
return NETWORK_WIFI;
} else if (mobileNetworkInfo.isConnected()) {
return NETWORK_MOBILE;
} else {
return NETWORK_NONE;
}
/*NetworkInfo mNetworkInfo = connectivityManager.getActiveNetworkInfo();
if (mNetworkInfo != null && mNetworkInfo.isConnected()) {
if (mNetworkInfo.getType() == (ConnectivityManager.TYPE_WIFI)) {
return NETWORK_WIFI;
} else if (mNetworkInfo.getType() == (ConnectivityManager.TYPE_MOBILE)) {
return NETWORK_MOBILE;
} else {
return NETWORK_NONE;
}
}*/
} else {
Network[] networks = connectivityManager.getAllNetworks();
NetworkInfo mNetworkInfo;
for (Network mNetwork : networks) {
mNetworkInfo = connectivityManager.getNetworkInfo(mNetwork);
if (mNetworkInfo != null) {
if (mNetworkInfo.getType() == (ConnectivityManager.TYPE_WIFI)) {
//Log.e("------------>", "NETWORK_WIFI");
return NETWORK_WIFI;
} else if (mNetworkInfo.getType() == (ConnectivityManager.TYPE_MOBILE)) {
//Log.e("------------>", "NETWORK_MOBILE");
return NETWORK_MOBILE;
}
} else {
//Log.e("------------>", "NETWORK_NONE");
return NETWORK_NONE;
}
}
}
return NETWORK_NONE;
}
}
