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NetworkUtils.java
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NetworkUtils.java
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package me.shouheng.utils.device;
import android.annotation.SuppressLint;
import android.content.Context;
import android.content.Intent;
import android.net.ConnectivityManager;
import android.net.NetworkInfo;
import android.net.wifi.WifiManager;
import android.os.Build;
import androidx.annotation.RequiresPermission;
import android.telephony.TelephonyManager;
import android.util.Log;
import java.lang.reflect.Method;
import me.shouheng.utils.UtilsApp;
import static android.Manifest.permission.ACCESS_NETWORK_STATE;
import static android.Manifest.permission.ACCESS_WIFI_STATE;
import static android.Manifest.permission.CHANGE_WIFI_STATE;
import static android.Manifest.permission.INTERNET;
import static android.Manifest.permission.MODIFY_PHONE_STATE;
import static android.content.Context.WIFI_SERVICE;
/**
* @author Shouheng Wang
* @version 2019-05-09 21:20
*/
public final class NetworkUtils {
public static void openWirelessSettings() {
Intent intent = new Intent(android.provider.Settings.ACTION_WIRELESS_SETTINGS);
intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
UtilsApp.getApp().startActivity(intent);
}
@RequiresPermission(ACCESS_NETWORK_STATE)
public static boolean isConnected() {
NetworkInfo info = getActiveNetworkInfo();
return info != null && info.isConnected();
}
@RequiresPermission(INTERNET)
public static boolean isAvailableByPing() {
return isAvailableByPing(null);
}
@RequiresPermission(INTERNET)
public static boolean isAvailableByPing(String ip) {
if (ip == null || ip.length() <= 0) {
ip = "223.5.5.5";// default ping ip
}
ShellUtils.CommandResult result = ShellUtils.execCmd(String.format("ping -c 1 %s", ip), false);
boolean ret = result.result == 0;
if (result.errorMsg != null) {
Log.d("NetworkUtils", "isAvailableByPing() called" + result.errorMsg);
}
if (result.successMsg != null) {
Log.d("NetworkUtils", "isAvailableByPing() called" + result.successMsg);
}
return ret;
}
public static boolean isMobileDataEnabled() {
try {
TelephonyManager tm = (TelephonyManager) UtilsApp.getApp().getSystemService(Context.TELEPHONY_SERVICE);
if (tm == null) return false;
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
return tm.isDataEnabled();
}
@SuppressLint("PrivateApi")
Method getMobileDataEnabledMethod = tm.getClass().getDeclaredMethod("getDataEnabled");
if (null != getMobileDataEnabledMethod) {
return (boolean) getMobileDataEnabledMethod.invoke(tm);
}
} catch (Exception e) {
e.printStackTrace();
}
return false;
}
@RequiresPermission(MODIFY_PHONE_STATE)
public static void setMobileDataEnabled(final boolean enabled) {
try {
TelephonyManager tm = (TelephonyManager) UtilsApp.getApp().getSystemService(Context.TELEPHONY_SERVICE);
if (tm == null) return;
Method setMobileDataEnabledMethod = tm.getClass().getDeclaredMethod("setDataEnabled", boolean.class);
if (null != setMobileDataEnabledMethod) {
setMobileDataEnabledMethod.invoke(tm, enabled);
}
} catch (Exception e) {
e.printStackTrace();
}
}
@RequiresPermission(ACCESS_NETWORK_STATE)
public static boolean isMobileData() {
NetworkInfo info = getActiveNetworkInfo();
return null != info && info.isAvailable() && info.getType() == ConnectivityManager.TYPE_MOBILE;
}
@RequiresPermission(ACCESS_NETWORK_STATE)
public static boolean is4G() {
NetworkInfo info = getActiveNetworkInfo();
return info != null
&& info.isAvailable()
&& info.getSubtype() == TelephonyManager.NETWORK_TYPE_LTE;
}
@RequiresPermission(ACCESS_WIFI_STATE)
public static boolean isWifiEnabled() {
@SuppressLint("WifiManagerLeak")
WifiManager manager = (WifiManager) UtilsApp.getApp().getSystemService(WIFI_SERVICE);
if (manager == null) return false;
return manager.isWifiEnabled();
}
@RequiresPermission(CHANGE_WIFI_STATE)
public static void setWifiEnabled(final boolean enabled) {
@SuppressLint("WifiManagerLeak")
WifiManager manager = (WifiManager) UtilsApp.getApp().getSystemService(WIFI_SERVICE);
if (manager == null) return;
if (enabled == manager.isWifiEnabled()) return;
manager.setWifiEnabled(enabled);
}
@RequiresPermission(ACCESS_NETWORK_STATE)
public static boolean isWifiConnected() {
ConnectivityManager cm = (ConnectivityManager) UtilsApp.getApp().getSystemService(Context.CONNECTIVITY_SERVICE);
if (cm == null) return false;
NetworkInfo ni = cm.getActiveNetworkInfo();
return ni != null && ni.getType() == ConnectivityManager.TYPE_WIFI;
}
@RequiresPermission(allOf = {ACCESS_WIFI_STATE, INTERNET})
public static boolean isWifiAvailable() {
return isWifiEnabled() && isAvailableByPing();
}
public static String getNetworkOperatorName() {
TelephonyManager tm = (TelephonyManager) UtilsApp.getApp().getSystemService(Context.TELEPHONY_SERVICE);
if (tm == null) return "";
return tm.getNetworkOperatorName();
}
@RequiresPermission(ACCESS_NETWORK_STATE)
public static NetworkType getNetworkType() {
NetworkType netType = NetworkType.NETWORK_NO;
NetworkInfo info = getActiveNetworkInfo();
if (info != null && info.isAvailable()) {
if (info.getType() == ConnectivityManager.TYPE_ETHERNET) {
netType = NetworkType.NETWORK_ETHERNET;
} else if (info.getType() == ConnectivityManager.TYPE_WIFI) {
netType = NetworkType.NETWORK_WIFI;
} else if (info.getType() == ConnectivityManager.TYPE_MOBILE) {
switch (info.getSubtype()) {
case TelephonyManager.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 = NetworkType.NETWORK_2G;
break;
case TelephonyManager.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 = NetworkType.NETWORK_3G;
break;
case TelephonyManager.NETWORK_TYPE_IWLAN:
case TelephonyManager.NETWORK_TYPE_LTE:
netType = NetworkType.NETWORK_4G;
break;
default:
String subtypeName = info.getSubtypeName();
if (subtypeName.equalsIgnoreCase("TD-SCDMA")
|| subtypeName.equalsIgnoreCase("WCDMA")
|| subtypeName.equalsIgnoreCase("CDMA2000")) {
netType = NetworkType.NETWORK_3G;
} else {
netType = NetworkType.NETWORK_UNKNOWN;
}
break;
}
} else {
netType = NetworkType.NETWORK_UNKNOWN;
}
}
return netType;
}
public enum NetworkType {
NETWORK_ETHERNET,
NETWORK_WIFI,
NETWORK_4G,
NETWORK_3G,
NETWORK_2G,
NETWORK_UNKNOWN,
NETWORK_NO
}
/*---------------------------------- inner methods --------------------------------------*/
@RequiresPermission(ACCESS_NETWORK_STATE)
private static NetworkInfo getActiveNetworkInfo() {
ConnectivityManager cm = (ConnectivityManager) UtilsApp.getApp().getSystemService(Context.CONNECTIVITY_SERVICE);
if (cm == null) return null;
return cm.getActiveNetworkInfo();
}
private NetworkUtils() {
throw new UnsupportedOperationException("u can't initialize me!");
}
}