openWirelessSettings : 打开网络设置界面
isConnected : 判断网络是否连接
isAvailableByPing : 判断网络是否可用
getDataEnabled : 判断移动数据是否打开
setDataEnabled : 打开或关闭移动数据
is4G : 判断网络是否是4G
getWifiEnabled : 判断wifi是否打开
setWifiEnabled : 打开或关闭wifi
isWifiConnected : 判断wifi是否连接状态
isWifiAvailable : 判断wifi数据是否可用
getNetworkOperatorName : 获取移动网络运营商名称
getNetworkType, getNetworkTypeName : 获取当前的网络类型(WIFI, 2G, 3G, 4G)
getIPAddress : 获取IP地址
getDomainAddress : 获取域名ip地址
public class NetworkUtils {
private NetworkUtils() {
throw new UnsupportedOperationException("u can't instantiate me...");
}
public static final int NETWORK_WIFI = 1; // wifi network
public static final int NETWORK_4G = 4; // "4G" networks
public static final int NETWORK_3G = 3; // "3G" networks
public static final int NETWORK_2G = 2; // "2G" networks
public static final int NETWORK_UNKNOWN = 5; // unknown network
public static final int NETWORK_NO = -1; // no network
private static final int NETWORK_TYPE_GSM = 16;
private static final int NETWORK_TYPE_TD_SCDMA = 17;
private static final int NETWORK_TYPE_IWLAN = 18;
/**
* 打开网络设置界面
* <p>3.0以下打开设置界面</p>
*
* @param context 上下文
*/
public static void openWirelessSettings(Context context) {
if (android.os.Build.VERSION.SDK_INT > 10) {
context.startActivity(new Intent(android.provider.Settings.ACTION_WIRELESS_SETTINGS));
} else {
context.startActivity(new Intent(android.provider.Settings.ACTION_SETTINGS));
}
}
/**
* 获取活动网络信息
* <p>需添加权限 {@code <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE"/>}</p>
*
* @param context 上下文
* @return NetworkInfo
*/
private static NetworkInfo getActiveNetworkInfo(Context context) {
ConnectivityManager cm = (ConnectivityManager) context
.getSystemService(Context.CONNECTIVITY_SERVICE);
return cm.getActiveNetworkInfo();
}
/**
* 判断网络是否连接
* <p>需添加权限 {@code <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE"/>}</p>
*
* @param context 上下文
* @return {@code true}: 是<br>{@code false}: 否
*/
public static boolean isConnected(Context context) {
NetworkInfo info = getActiveNetworkInfo(context);
return info != null && info.isConnected();
}
/**
* 判断网络是否可用
* <p>需添加权限 {@code <uses-permission android:name="android.permission.INTERNET"/>}</p>
*
* @param context 上下文
* @return {@code true}: 可用<br>{@code false}: 不可用
*/
public static boolean isAvailableByPing(Context context) {
ShellUtils.CommandResult result = ShellUtils.execCmd("ping -c 1 -w 1 123.125.114.144", false);
boolean ret = result.result == 0;
if (result.errorMsg != null) {
LogUtils.d("isAvailableByPing errorMsg", result.errorMsg);
}
if (result.successMsg != null) {
LogUtils.d("isAvailableByPing successMsg", result.successMsg);
}
return ret;
}
/**
* 判断移动数据是否打开
*
* @param context 上下文
* @return {@code true}: 是<br>{@code false}: 否
*/
public static boolean getDataEnabled(Context context) {
try {
TelephonyManager tm = (TelephonyManager) context.getSystemService(Context.TELEPHONY_SERVICE);
Method getMobileDataEnabledMethod = tm.getClass().getDeclaredMethod("getDataEnabled");
if (null != getMobileDataEnabledMethod) {
return (boolean) getMobileDataEnabledMethod.invoke(tm);
}
} catch (Exception e) {
e.printStackTrace();
}
return false;
}
/**
* 打开或关闭移动数据
* <p>需系统应用 需添加权限{@code <uses-permission android:name="android.permission.MODIFY_PHONE_STATE"/>}</p>
*
* @param context 上下文
* @param enabled {@code true}: 打开<br>{@code false}: 关闭
*/
public static void setDataEnabled(Context context, boolean enabled) {
try {
TelephonyManager tm = (TelephonyManager) context.getSystemService(Context.TELEPHONY_SERVICE);
Method setMobileDataEnabledMethod = tm.getClass().getDeclaredMethod("setDataEnabled", boolean.class);
if (null != setMobileDataEnabledMethod) {
setMobileDataEnabledMethod.invoke(tm, enabled);
}
} catch (Exception e) {
e.printStackTrace();
}
}
/**
* 判断网络是否是4G
* <p>需添加权限 {@code <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE"/>}</p>
*
* @param context 上下文
* @return {@code true}: 是<br>{@code false}: 否
*/
public static boolean is4G(Context context) {
NetworkInfo info = getActiveNetworkInfo(context);
return info != null && info.isAvailable() && info.getSubtype() == TelephonyManager.NETWORK_TYPE_LTE;
}
/**
* 判断wifi是否打开
* <p>需添加权限 {@code <uses-permission android:name="android.permission.ACCESS_WIFI_STATE"/>}</p>
*
* @param context 上下文
* @return {@code true}: 是<br>{@code false}: 否
*/
public static boolean getWifiEnabled(Context context) {
WifiManager wifiManager = (WifiManager) context.getSystemService(Context.WIFI_SERVICE);
return wifiManager.isWifiEnabled();
}
/**
* 打开或关闭wifi
* <p>需添加权限 {@code <uses-permission android:name="android.permission.CHANGE_WIFI_STATE"/>}</p>
*
* @param context 上下文
* @param enabled {@code true}: 打开<br>{@code false}: 关闭
*/
public static void setWifiEnabled(Context context, boolean enabled) {
WifiManager wifiManager = (WifiManager) context.getSystemService(Context.WIFI_SERVICE);
if (enabled) {
if (!wifiManager.isWifiEnabled()) {
wifiManager.setWifiEnabled(true);
}
} else {
if (wifiManager.isWifiEnabled()) {
wifiManager.setWifiEnabled(false);
}
}
}
/**
* 判断wifi是否连接状态
* <p>需添加权限 {@code <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE"/>}</p>
*
* @param context 上下文
* @return {@code true}: 连接<br>{@code false}: 未连接
*/
public static boolean isWifiConnected(Context context) {
ConnectivityManager cm = (ConnectivityManager) context
.getSystemService(Context.CONNECTIVITY_SERVICE);
return cm != null && cm.getActiveNetworkInfo() != null
&& cm.getActiveNetworkInfo().getType() == ConnectivityManager.TYPE_WIFI;
}
/**
* 判断wifi数据是否可用
* <p>需添加权限 {@code <uses-permission android:name="android.permission.ACCESS_WIFI_STATE"/>}</p>
* <p>需添加权限 {@code <uses-permission android:name="android.permission.INTERNET"/>}</p>
*
* @param context 上下文
* @return {@code true}: 是<br>{@code false}: 否
*/
public static boolean isWifiAvailable(Context context) {
return getWifiEnabled(context) && isAvailableByPing(context);
}
/**
* 获取网络运营商名称
* <p>中国移动、如中国联通、中国电信</p>
*
* @param context 上下文
* @return 运营商名称
*/
public static String getNetworkOperatorName(Context context) {
TelephonyManager tm = (TelephonyManager) context.getSystemService(Context.TELEPHONY_SERVICE);
return tm != null ? tm.getNetworkOperatorName() : null;
}
/**
* 获取当前的网络类型(WIFI,2G,3G,4G)
* <p>需添加权限 {@code <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE"/>}</p>
*
* @param context 上下文
* @return 网络类型
* <ul>
* <li>{@link #NETWORK_WIFI } = 1;</li>
* <li>{@link #NETWORK_4G } = 4;</li>
* <li>{@link #NETWORK_3G } = 3;</li>
* <li>{@link #NETWORK_2G } = 2;</li>
* <li>{@link #NETWORK_UNKNOWN} = 5;</li>
* <li>{@link #NETWORK_NO } = -1;</li>
* </ul>
*/
public static int getNetworkType(Context context) {
int netType = NETWORK_NO;
NetworkInfo info = getActiveNetworkInfo(context);
if (info != null && info.isAvailable()) {
if (info.getType() == ConnectivityManager.TYPE_WIFI) {
netType = NETWORK_WIFI;
} else if (info.getType() == ConnectivityManager.TYPE_MOBILE) {
switch (info.getSubtype()) {
case NETWORK_TYPE_GSM:
case TelephonyManager.NETWORK_TYPE_GPRS:
case TelephonyManager.NETWORK_TYPE_CDMA:
case TelephonyManager.NETWORK_TYPE_EDGE:
case TelephonyManager.NETWORK_TYPE_1xRTT:
case TelephonyManager.NETWORK_TYPE_IDEN:
netType = NETWORK_2G;
break;
case NETWORK_TYPE_TD_SCDMA:
case TelephonyManager.NETWORK_TYPE_EVDO_A:
case TelephonyManager.NETWORK_TYPE_UMTS:
case TelephonyManager.NETWORK_TYPE_EVDO_0:
case TelephonyManager.NETWORK_TYPE_HSDPA:
case TelephonyManager.NETWORK_TYPE_HSUPA:
case TelephonyManager.NETWORK_TYPE_HSPA:
case TelephonyManager.NETWORK_TYPE_EVDO_B:
case TelephonyManager.NETWORK_TYPE_EHRPD:
case TelephonyManager.NETWORK_TYPE_HSPAP:
netType = NETWORK_3G;
break;
case NETWORK_TYPE_IWLAN:
case TelephonyManager.NETWORK_TYPE_LTE:
netType = NETWORK_4G;
break;
default:
String subtypeName = info.getSubtypeName();
if (subtypeName.equalsIgnoreCase("TD-SCDMA")
|| subtypeName.equalsIgnoreCase("WCDMA")
|| subtypeName.equalsIgnoreCase("CDMA2000")) {
netType = NETWORK_3G;
} else {
netType = NETWORK_UNKNOWN;
}
break;
}
} else {
netType = NETWORK_UNKNOWN;
}
}
return netType;
}
/**
* 获取当前的网络类型(WIFI,2G,3G,4G)
* <p>依赖上面的方法</p>
*
* @param context 上下文
* @return 网络类型名称
* <ul>
* <li>NETWORK_WIFI </li>
* <li>NETWORK_4G </li>
* <li>NETWORK_3G </li>
* <li>NETWORK_2G </li>
* <li>NETWORK_UNKNOWN</li>
* <li>NETWORK_NO </li>
* </ul>
*/
public static String getNetworkTypeName(Context context) {
switch (getNetworkType(context)) {
case NETWORK_WIFI:
return "NETWORK_WIFI";
case NETWORK_4G:
return "NETWORK_4G";
case NETWORK_3G:
return "NETWORK_3G";
case NETWORK_2G:
return "NETWORK_2G";
case NETWORK_NO:
return "NETWORK_NO";
default:
return "NETWORK_UNKNOWN";
}
}
/**
* 获取IP地址
* <p>需添加权限 {@code <uses-permission android:name="android.permission.INTERNET"/>}</p>
*
* @param useIPv4 是否用IPv4
* @return IP地址
*/
public static String getIPAddress(boolean useIPv4) {
try {
for (Enumeration<NetworkInterface> nis = NetworkInterface.getNetworkInterfaces(); nis.hasMoreElements(); ) {
NetworkInterface ni = nis.nextElement();
// 防止小米手机返回10.0.2.15
if (!ni.isUp()) continue;
for (Enumeration<InetAddress> addresses = ni.getInetAddresses(); addresses.hasMoreElements(); ) {
InetAddress inetAddress = addresses.nextElement();
if (!inetAddress.isLoopbackAddress()) {
String hostAddress = inetAddress.getHostAddress();
boolean isIPv4 = hostAddress.indexOf(':') < 0;
if (useIPv4) {
if (isIPv4) return hostAddress;
} else {
if (!isIPv4) {
int index = hostAddress.indexOf('%');
return index < 0 ? hostAddress.toUpperCase() : hostAddress.substring(0, index).toUpperCase();
}
}
}
}
}
} catch (SocketException e) {
e.printStackTrace();
}
return null;
}
/**
* 获取域名ip地址
* <p>需添加权限 {@code <uses-permission android:name="android.permission.INTERNET"/>}</p>
*
* @param domain 域名
* @return ip地址
*/
public static String getDomainAddress(final String domain) {
try {
ExecutorService exec = Executors.newCachedThreadPool();
Future<String> fs = exec.submit(new Callable<String>() {
@Override
public String call() throws Exception {
InetAddress inetAddress;
try {
inetAddress = InetAddress.getByName(domain);
return inetAddress.getHostAddress();
} catch (UnknownHostException e) {
e.printStackTrace();
}
return null;
}
});
return fs.get();
} catch (InterruptedException | ExecutionException e) {
e.printStackTrace();
}
return null;
}
}
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