/
NetworkUtils.java
1063 lines (980 loc) · 39.2 KB
/
NetworkUtils.java
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package com.blankj.utilcode.util;
import android.annotation.SuppressLint;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.net.ConnectivityManager;
import android.net.NetworkCapabilities;
import android.net.NetworkInfo;
import android.net.wifi.ScanResult;
import android.net.wifi.WifiInfo;
import android.net.wifi.WifiManager;
import android.os.Build;
import android.telephony.TelephonyManager;
import android.text.TextUtils;
import android.text.format.Formatter;
import androidx.annotation.NonNull;
import androidx.annotation.RequiresPermission;
import java.lang.reflect.Method;
import java.net.InetAddress;
import java.net.InterfaceAddress;
import java.net.NetworkInterface;
import java.net.SocketException;
import java.net.UnknownHostException;
import java.util.ArrayList;
import java.util.Enumeration;
import java.util.HashSet;
import java.util.LinkedHashMap;
import java.util.LinkedList;
import java.util.List;
import java.util.Set;
import java.util.Timer;
import java.util.TimerTask;
import java.util.concurrent.CopyOnWriteArraySet;
import static android.Manifest.permission.ACCESS_COARSE_LOCATION;
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.content.Context.WIFI_SERVICE;
/**
* <pre>
* author: Blankj
* blog : http://blankj.com
* time : 2016/08/02
* desc : utils about network
* </pre>
*/
public final class NetworkUtils {
private NetworkUtils() {
throw new UnsupportedOperationException("u can't instantiate me...");
}
public enum NetworkType {
NETWORK_ETHERNET,
NETWORK_WIFI,
NETWORK_5G,
NETWORK_4G,
NETWORK_3G,
NETWORK_2G,
NETWORK_UNKNOWN,
NETWORK_NO
}
/**
* Open the settings of wireless.
*/
public static void openWirelessSettings() {
Utils.getApp().startActivity(
new Intent(android.provider.Settings.ACTION_WIRELESS_SETTINGS)
.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK)
);
}
/**
* Return whether network is connected.
* <p>Must hold {@code <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />}</p>
*
* @return {@code true}: connected<br>{@code false}: disconnected
*/
@RequiresPermission(ACCESS_NETWORK_STATE)
public static boolean isConnected() {
NetworkInfo info = getActiveNetworkInfo();
return info != null && info.isConnected();
}
/**
* Return whether network is available.
* <p>Must hold {@code <uses-permission android:name="android.permission.INTERNET" />}</p>
*
* @param consumer The consumer.
* @return the task
*/
@RequiresPermission(INTERNET)
public static Utils.Task<Boolean> isAvailableAsync(@NonNull final Utils.Consumer<Boolean> consumer) {
return UtilsBridge.doAsync(new Utils.Task<Boolean>(consumer) {
@RequiresPermission(INTERNET)
@Override
public Boolean doInBackground() {
return isAvailable();
}
});
}
/**
* Return whether network is available.
* <p>Must hold {@code <uses-permission android:name="android.permission.INTERNET" />}</p>
*
* @return {@code true}: yes<br>{@code false}: no
*/
@RequiresPermission(INTERNET)
public static boolean isAvailable() {
return isAvailableByDns() || isAvailableByPing(null);
}
/**
* Return whether network is available using ping.
* <p>Must hold {@code <uses-permission android:name="android.permission.INTERNET" />}</p>
* <p>The default ping ip: 223.5.5.5</p>
*
* @param consumer The consumer.
*/
@RequiresPermission(INTERNET)
public static void isAvailableByPingAsync(final Utils.Consumer<Boolean> consumer) {
isAvailableByPingAsync("", consumer);
}
/**
* Return whether network is available using ping.
* <p>Must hold {@code <uses-permission android:name="android.permission.INTERNET" />}</p>
*
* @param ip The ip address.
* @param consumer The consumer.
* @return the task
*/
@RequiresPermission(INTERNET)
public static Utils.Task<Boolean> isAvailableByPingAsync(final String ip,
@NonNull final Utils.Consumer<Boolean> consumer) {
return UtilsBridge.doAsync(new Utils.Task<Boolean>(consumer) {
@RequiresPermission(INTERNET)
@Override
public Boolean doInBackground() {
return isAvailableByPing(ip);
}
});
}
/**
* Return whether network is available using ping.
* <p>Must hold {@code <uses-permission android:name="android.permission.INTERNET" />}</p>
* <p>The default ping ip: 223.5.5.5</p>
*
* @return {@code true}: yes<br>{@code false}: no
*/
@RequiresPermission(INTERNET)
public static boolean isAvailableByPing() {
return isAvailableByPing("");
}
/**
* Return whether network is available using ping.
* <p>Must hold {@code <uses-permission android:name="android.permission.INTERNET" />}</p>
*
* @param ip The ip address.
* @return {@code true}: yes<br>{@code false}: no
*/
@RequiresPermission(INTERNET)
public static boolean isAvailableByPing(final String ip) {
final String realIp = TextUtils.isEmpty(ip) ? "223.5.5.5" : ip;
ShellUtils.CommandResult result = ShellUtils.execCmd(String.format("ping -c 1 %s", realIp), false);
return result.result == 0;
}
/**
* Return whether network is available using domain.
* <p>Must hold {@code <uses-permission android:name="android.permission.INTERNET" />}</p>
*
* @param consumer The consumer.
*/
@RequiresPermission(INTERNET)
public static void isAvailableByDnsAsync(final Utils.Consumer<Boolean> consumer) {
isAvailableByDnsAsync("", consumer);
}
/**
* Return whether network is available using domain.
* <p>Must hold {@code <uses-permission android:name="android.permission.INTERNET" />}</p>
*
* @param domain The name of domain.
* @param consumer The consumer.
* @return the task
*/
@RequiresPermission(INTERNET)
public static Utils.Task isAvailableByDnsAsync(final String domain,
@NonNull final Utils.Consumer<Boolean> consumer) {
return UtilsBridge.doAsync(new Utils.Task<Boolean>(consumer) {
@RequiresPermission(INTERNET)
@Override
public Boolean doInBackground() {
return isAvailableByDns(domain);
}
});
}
/**
* Return whether network is available using domain.
* <p>Must hold {@code <uses-permission android:name="android.permission.INTERNET" />}</p>
*
* @return {@code true}: yes<br>{@code false}: no
*/
@RequiresPermission(INTERNET)
public static boolean isAvailableByDns() {
return isAvailableByDns("");
}
/**
* Return whether network is available using domain.
* <p>Must hold {@code <uses-permission android:name="android.permission.INTERNET" />}</p>
*
* @param domain The name of domain.
* @return {@code true}: yes<br>{@code false}: no
*/
@RequiresPermission(INTERNET)
public static boolean isAvailableByDns(final String domain) {
final String realDomain = TextUtils.isEmpty(domain) ? "www.baidu.com" : domain;
InetAddress inetAddress;
try {
inetAddress = InetAddress.getByName(realDomain);
return inetAddress != null;
} catch (UnknownHostException e) {
e.printStackTrace();
return false;
}
}
/**
* Return whether mobile data is enabled.
*
* @return {@code true}: enabled<br>{@code false}: disabled
*/
public static boolean getMobileDataEnabled() {
try {
TelephonyManager tm =
(TelephonyManager) Utils.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;
}
/**
* Returns true if device is connecting to the internet via a proxy, works for both Wi-Fi and Mobile Data.
*
* @return true if using proxy to connect to the internet.
*/
public static boolean isBehindProxy(){
return !(System.getProperty("http.proxyHost") == null || System.getProperty("http.proxyPort") == null);
}
/**
* Returns true if device is connecting to the internet via a VPN.
*
* @return true if using VPN to conncet to the internet.
*/
public static boolean isUsingVPN(){
ConnectivityManager cm = (ConnectivityManager) com.blankj.utilcode.util.Utils.getApp().getSystemService(Context.CONNECTIVITY_SERVICE);
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.P) {
return cm.getNetworkInfo(ConnectivityManager.TYPE_VPN).isConnectedOrConnecting();
} else {
return cm.getNetworkInfo(NetworkCapabilities.TRANSPORT_VPN).isConnectedOrConnecting();
}
}
/**
* Return whether using mobile data.
* <p>Must hold {@code <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />}</p>
*
* @return {@code true}: yes<br>{@code false}: no
*/
@RequiresPermission(ACCESS_NETWORK_STATE)
public static boolean isMobileData() {
NetworkInfo info = getActiveNetworkInfo();
return null != info
&& info.isAvailable()
&& info.getType() == ConnectivityManager.TYPE_MOBILE;
}
/**
* Return whether using 4G.
* <p>Must hold {@code <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />}</p>
*
* @return {@code true}: yes<br>{@code false}: no
*/
@RequiresPermission(ACCESS_NETWORK_STATE)
public static boolean is4G() {
NetworkInfo info = getActiveNetworkInfo();
return info != null
&& info.isAvailable()
&& info.getSubtype() == TelephonyManager.NETWORK_TYPE_LTE;
}
/**
* Return whether using 4G.
* <p>Must hold {@code <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />}</p>
*
* @return {@code true}: yes<br>{@code false}: no
*/
@RequiresPermission(ACCESS_NETWORK_STATE)
public static boolean is5G() {
NetworkInfo info = getActiveNetworkInfo();
return info != null
&& info.isAvailable()
&& info.getSubtype() == TelephonyManager.NETWORK_TYPE_NR;
}
/**
* Return whether wifi is enabled.
* <p>Must hold {@code <uses-permission android:name="android.permission.ACCESS_WIFI_STATE" />}</p>
*
* @return {@code true}: enabled<br>{@code false}: disabled
*/
@RequiresPermission(ACCESS_WIFI_STATE)
public static boolean getWifiEnabled() {
@SuppressLint("WifiManagerLeak")
WifiManager manager = (WifiManager) Utils.getApp().getSystemService(WIFI_SERVICE);
if (manager == null) return false;
return manager.isWifiEnabled();
}
/**
* Enable or disable wifi.
* <p>Must hold {@code <uses-permission android:name="android.permission.CHANGE_WIFI_STATE" />}</p>
*
* @param enabled True to enabled, false otherwise.
*/
@RequiresPermission(CHANGE_WIFI_STATE)
public static void setWifiEnabled(final boolean enabled) {
@SuppressLint("WifiManagerLeak")
WifiManager manager = (WifiManager) Utils.getApp().getSystemService(WIFI_SERVICE);
if (manager == null) return;
if (enabled == manager.isWifiEnabled()) return;
manager.setWifiEnabled(enabled);
}
/**
* Return whether wifi is connected.
* <p>Must hold {@code <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />}</p>
*
* @return {@code true}: connected<br>{@code false}: disconnected
*/
@RequiresPermission(ACCESS_NETWORK_STATE)
public static boolean isWifiConnected() {
ConnectivityManager cm =
(ConnectivityManager) Utils.getApp().getSystemService(Context.CONNECTIVITY_SERVICE);
if (cm == null) return false;
NetworkInfo ni = cm.getActiveNetworkInfo();
return ni != null && ni.getType() == ConnectivityManager.TYPE_WIFI;
}
/**
* Return whether wifi is available.
* <p>Must hold {@code <uses-permission android:name="android.permission.ACCESS_WIFI_STATE" />},
* {@code <uses-permission android:name="android.permission.INTERNET" />}</p>
*
* @return {@code true}: available<br>{@code false}: unavailable
*/
@RequiresPermission(allOf = {ACCESS_WIFI_STATE, INTERNET})
public static boolean isWifiAvailable() {
return getWifiEnabled() && isAvailable();
}
/**
* Return whether wifi is available.
* <p>Must hold {@code <uses-permission android:name="android.permission.ACCESS_WIFI_STATE" />},
* {@code <uses-permission android:name="android.permission.INTERNET" />}</p>
*
* @param consumer The consumer.
* @return the task
*/
@RequiresPermission(allOf = {ACCESS_WIFI_STATE, INTERNET})
public static Utils.Task<Boolean> isWifiAvailableAsync(@NonNull final Utils.Consumer<Boolean> consumer) {
return UtilsBridge.doAsync(new Utils.Task<Boolean>(consumer) {
@RequiresPermission(allOf = {ACCESS_WIFI_STATE, INTERNET})
@Override
public Boolean doInBackground() {
return isWifiAvailable();
}
});
}
/**
* Return the name of network operate.
*
* @return the name of network operate
*/
public static String getNetworkOperatorName() {
TelephonyManager tm =
(TelephonyManager) Utils.getApp().getSystemService(Context.TELEPHONY_SERVICE);
if (tm == null) return "";
return tm.getNetworkOperatorName();
}
/**
* Return type of network.
* <p>Must hold {@code <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />}</p>
*
* @return type of network
* <ul>
* <li>{@link NetworkUtils.NetworkType#NETWORK_ETHERNET} </li>
* <li>{@link NetworkUtils.NetworkType#NETWORK_WIFI } </li>
* <li>{@link NetworkUtils.NetworkType#NETWORK_4G } </li>
* <li>{@link NetworkUtils.NetworkType#NETWORK_3G } </li>
* <li>{@link NetworkUtils.NetworkType#NETWORK_2G } </li>
* <li>{@link NetworkUtils.NetworkType#NETWORK_UNKNOWN } </li>
* <li>{@link NetworkUtils.NetworkType#NETWORK_NO } </li>
* </ul>
*/
@RequiresPermission(ACCESS_NETWORK_STATE)
public static NetworkType getNetworkType() {
if (isEthernet()) {
return NetworkType.NETWORK_ETHERNET;
}
NetworkInfo info = getActiveNetworkInfo();
if (info != null && info.isAvailable()) {
if (info.getType() == ConnectivityManager.TYPE_WIFI) {
return 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:
return NetworkType.NETWORK_2G;
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:
return NetworkType.NETWORK_3G;
case TelephonyManager.NETWORK_TYPE_IWLAN:
case TelephonyManager.NETWORK_TYPE_LTE:
return NetworkType.NETWORK_4G;
case TelephonyManager.NETWORK_TYPE_NR:
return NetworkType.NETWORK_5G;
default:
String subtypeName = info.getSubtypeName();
if (subtypeName.equalsIgnoreCase("TD-SCDMA")
|| subtypeName.equalsIgnoreCase("WCDMA")
|| subtypeName.equalsIgnoreCase("CDMA2000")) {
return NetworkType.NETWORK_3G;
} else {
return NetworkType.NETWORK_UNKNOWN;
}
}
} else {
return NetworkType.NETWORK_UNKNOWN;
}
}
return NetworkType.NETWORK_NO;
}
/**
* Return whether using ethernet.
* <p>Must hold
* {@code <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />}</p>
*
* @return {@code true}: yes<br>{@code false}: no
*/
@RequiresPermission(ACCESS_NETWORK_STATE)
private static boolean isEthernet() {
final ConnectivityManager cm =
(ConnectivityManager) Utils.getApp().getSystemService(Context.CONNECTIVITY_SERVICE);
if (cm == null) return false;
final NetworkInfo info = cm.getNetworkInfo(ConnectivityManager.TYPE_ETHERNET);
if (info == null) return false;
NetworkInfo.State state = info.getState();
if (null == state) return false;
return state == NetworkInfo.State.CONNECTED || state == NetworkInfo.State.CONNECTING;
}
@RequiresPermission(ACCESS_NETWORK_STATE)
private static NetworkInfo getActiveNetworkInfo() {
ConnectivityManager cm =
(ConnectivityManager) Utils.getApp().getSystemService(Context.CONNECTIVITY_SERVICE);
if (cm == null) return null;
return cm.getActiveNetworkInfo();
}
/**
* Return the ip address.
* <p>Must hold {@code <uses-permission android:name="android.permission.INTERNET" />}</p>
*
* @param useIPv4 True to use ipv4, false otherwise.
* @param consumer The consumer.
* @return the task
*/
public static Utils.Task<String> getIPAddressAsync(final boolean useIPv4,
@NonNull final Utils.Consumer<String> consumer) {
return UtilsBridge.doAsync(new Utils.Task<String>(consumer) {
@RequiresPermission(INTERNET)
@Override
public String doInBackground() {
return getIPAddress(useIPv4);
}
});
}
/**
* Return the ip address.
* <p>Must hold {@code <uses-permission android:name="android.permission.INTERNET" />}</p>
*
* @param useIPv4 True to use ipv4, false otherwise.
* @return the ip address
*/
@RequiresPermission(INTERNET)
public static String getIPAddress(final boolean useIPv4) {
try {
Enumeration<NetworkInterface> nis = NetworkInterface.getNetworkInterfaces();
LinkedList<InetAddress> adds = new LinkedList<>();
while (nis.hasMoreElements()) {
NetworkInterface ni = nis.nextElement();
// To prevent phone of xiaomi return "10.0.2.15"
if (!ni.isUp() || ni.isLoopback()) continue;
Enumeration<InetAddress> addresses = ni.getInetAddresses();
while (addresses.hasMoreElements()) {
adds.addFirst(addresses.nextElement());
}
}
for (InetAddress add : adds) {
if (!add.isLoopbackAddress()) {
String hostAddress = add.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 "";
}
/**
* Return the ip address of broadcast.
*
* @return the ip address of broadcast
*/
public static String getBroadcastIpAddress() {
try {
Enumeration<NetworkInterface> nis = NetworkInterface.getNetworkInterfaces();
LinkedList<InetAddress> adds = new LinkedList<>();
while (nis.hasMoreElements()) {
NetworkInterface ni = nis.nextElement();
if (!ni.isUp() || ni.isLoopback()) continue;
List<InterfaceAddress> ias = ni.getInterfaceAddresses();
for (int i = 0, size = ias.size(); i < size; i++) {
InterfaceAddress ia = ias.get(i);
InetAddress broadcast = ia.getBroadcast();
if (broadcast != null) {
return broadcast.getHostAddress();
}
}
}
} catch (SocketException e) {
e.printStackTrace();
}
return "";
}
/**
* Return the domain address.
* <p>Must hold {@code <uses-permission android:name="android.permission.INTERNET" />}</p>
*
* @param domain The name of domain.
* @param consumer The consumer.
* @return the task
*/
@RequiresPermission(INTERNET)
public static Utils.Task<String> getDomainAddressAsync(final String domain,
@NonNull final Utils.Consumer<String> consumer) {
return UtilsBridge.doAsync(new Utils.Task<String>(consumer) {
@RequiresPermission(INTERNET)
@Override
public String doInBackground() {
return getDomainAddress(domain);
}
});
}
/**
* Return the domain address.
* <p>Must hold {@code <uses-permission android:name="android.permission.INTERNET" />}</p>
*
* @param domain The name of domain.
* @return the domain address
*/
@RequiresPermission(INTERNET)
public static String getDomainAddress(final String domain) {
InetAddress inetAddress;
try {
inetAddress = InetAddress.getByName(domain);
return inetAddress.getHostAddress();
} catch (UnknownHostException e) {
e.printStackTrace();
return "";
}
}
/**
* Return the ip address by wifi.
*
* @return the ip address by wifi
*/
@RequiresPermission(ACCESS_WIFI_STATE)
public static String getIpAddressByWifi() {
@SuppressLint("WifiManagerLeak")
WifiManager wm = (WifiManager) Utils.getApp().getSystemService(Context.WIFI_SERVICE);
if (wm == null) return "";
return Formatter.formatIpAddress(wm.getDhcpInfo().ipAddress);
}
/**
* Return the gate way by wifi.
*
* @return the gate way by wifi
*/
@RequiresPermission(ACCESS_WIFI_STATE)
public static String getGatewayByWifi() {
@SuppressLint("WifiManagerLeak")
WifiManager wm = (WifiManager) Utils.getApp().getSystemService(Context.WIFI_SERVICE);
if (wm == null) return "";
return Formatter.formatIpAddress(wm.getDhcpInfo().gateway);
}
/**
* Return the net mask by wifi.
*
* @return the net mask by wifi
*/
@RequiresPermission(ACCESS_WIFI_STATE)
public static String getNetMaskByWifi() {
@SuppressLint("WifiManagerLeak")
WifiManager wm = (WifiManager) Utils.getApp().getSystemService(Context.WIFI_SERVICE);
if (wm == null) return "";
return Formatter.formatIpAddress(wm.getDhcpInfo().netmask);
}
/**
* Return the server address by wifi.
*
* @return the server address by wifi
*/
@RequiresPermission(ACCESS_WIFI_STATE)
public static String getServerAddressByWifi() {
@SuppressLint("WifiManagerLeak")
WifiManager wm = (WifiManager) Utils.getApp().getSystemService(Context.WIFI_SERVICE);
if (wm == null) return "";
return Formatter.formatIpAddress(wm.getDhcpInfo().serverAddress);
}
/**
* Return the ssid.
*
* @return the ssid.
*/
@RequiresPermission(ACCESS_WIFI_STATE)
public static String getSSID() {
WifiManager wm = (WifiManager) Utils.getApp().getApplicationContext().getSystemService(WIFI_SERVICE);
if (wm == null) return "";
WifiInfo wi = wm.getConnectionInfo();
if (wi == null) return "";
String ssid = wi.getSSID();
if (TextUtils.isEmpty(ssid)) {
return "";
}
if (ssid.length() > 2 && ssid.charAt(0) == '"' && ssid.charAt(ssid.length() - 1) == '"') {
return ssid.substring(1, ssid.length() - 1);
}
return ssid;
}
/**
* Register the status of network changed listener.
*
* @param listener The status of network changed listener
*/
@RequiresPermission(ACCESS_NETWORK_STATE)
public static void registerNetworkStatusChangedListener(final OnNetworkStatusChangedListener listener) {
NetworkChangedReceiver.getInstance().registerListener(listener);
}
/**
* Return whether the status of network changed listener has been registered.
*
* @param listener The listener
* @return true to registered, false otherwise.
*/
public static boolean isRegisteredNetworkStatusChangedListener(final OnNetworkStatusChangedListener listener) {
return NetworkChangedReceiver.getInstance().isRegistered(listener);
}
/**
* Unregister the status of network changed listener.
*
* @param listener The status of network changed listener.
*/
public static void unregisterNetworkStatusChangedListener(final OnNetworkStatusChangedListener listener) {
NetworkChangedReceiver.getInstance().unregisterListener(listener);
}
@RequiresPermission(allOf = {ACCESS_WIFI_STATE, ACCESS_COARSE_LOCATION})
public static WifiScanResults getWifiScanResult() {
WifiScanResults result = new WifiScanResults();
if (!getWifiEnabled()) return result;
@SuppressLint("WifiManagerLeak")
WifiManager wm = (WifiManager) Utils.getApp().getSystemService(WIFI_SERVICE);
//noinspection ConstantConditions
List<ScanResult> results = wm.getScanResults();
if (results != null) {
result.setAllResults(results);
}
return result;
}
private static final long SCAN_PERIOD_MILLIS = 3000;
private static final Set<Utils.Consumer<WifiScanResults>> SCAN_RESULT_CONSUMERS = new CopyOnWriteArraySet<>();
private static Timer sScanWifiTimer;
private static WifiScanResults sPreWifiScanResults;
@RequiresPermission(allOf = {ACCESS_WIFI_STATE, CHANGE_WIFI_STATE, ACCESS_COARSE_LOCATION})
public static void addOnWifiChangedConsumer(final Utils.Consumer<WifiScanResults> consumer) {
if (consumer == null) return;
UtilsBridge.runOnUiThread(new Runnable() {
@Override
public void run() {
if (SCAN_RESULT_CONSUMERS.isEmpty()) {
SCAN_RESULT_CONSUMERS.add(consumer);
startScanWifi();
return;
}
consumer.accept(sPreWifiScanResults);
SCAN_RESULT_CONSUMERS.add(consumer);
}
});
}
private static void startScanWifi() {
sPreWifiScanResults = new WifiScanResults();
sScanWifiTimer = new Timer();
sScanWifiTimer.schedule(new TimerTask() {
@RequiresPermission(allOf = {ACCESS_WIFI_STATE, CHANGE_WIFI_STATE, ACCESS_COARSE_LOCATION})
@Override
public void run() {
startScanWifiIfEnabled();
WifiScanResults scanResults = getWifiScanResult();
if (isSameScanResults(sPreWifiScanResults.allResults, scanResults.allResults)) {
return;
}
sPreWifiScanResults = scanResults;
UtilsBridge.runOnUiThread(new Runnable() {
@Override
public void run() {
for (Utils.Consumer<WifiScanResults> consumer : SCAN_RESULT_CONSUMERS) {
consumer.accept(sPreWifiScanResults);
}
}
});
}
}, 0, SCAN_PERIOD_MILLIS);
}
@RequiresPermission(allOf = {ACCESS_WIFI_STATE, CHANGE_WIFI_STATE})
private static void startScanWifiIfEnabled() {
if (!getWifiEnabled()) return;
@SuppressLint("WifiManagerLeak")
WifiManager wm = (WifiManager) Utils.getApp().getSystemService(WIFI_SERVICE);
//noinspection ConstantConditions
wm.startScan();
}
public static void removeOnWifiChangedConsumer(final Utils.Consumer<WifiScanResults> consumer) {
if (consumer == null) return;
UtilsBridge.runOnUiThread(new Runnable() {
@Override
public void run() {
SCAN_RESULT_CONSUMERS.remove(consumer);
if (SCAN_RESULT_CONSUMERS.isEmpty()) {
stopScanWifi();
}
}
});
}
private static void stopScanWifi() {
if (sScanWifiTimer != null) {
sScanWifiTimer.cancel();
sScanWifiTimer = null;
}
}
private static boolean isSameScanResults(List<ScanResult> l1, List<ScanResult> l2) {
if (l1 == null && l2 == null) {
return true;
}
if (l1 == null || l2 == null) {
return false;
}
if (l1.size() != l2.size()) {
return false;
}
for (int i = 0; i < l1.size(); i++) {
ScanResult r1 = l1.get(i);
ScanResult r2 = l2.get(i);
if (!isSameScanResultContent(r1, r2)) {
return false;
}
}
return true;
}
private static boolean isSameScanResultContent(ScanResult r1, ScanResult r2) {
return r1 != null && r2 != null && UtilsBridge.equals(r1.BSSID, r2.BSSID)
&& UtilsBridge.equals(r1.SSID, r2.SSID)
&& UtilsBridge.equals(r1.capabilities, r2.capabilities)
&& r1.level == r2.level;
}
public static final class NetworkChangedReceiver extends BroadcastReceiver {
private static NetworkChangedReceiver getInstance() {
return LazyHolder.INSTANCE;
}
private NetworkType mType;
private Set<OnNetworkStatusChangedListener> mListeners = new HashSet<>();
@RequiresPermission(ACCESS_NETWORK_STATE)
void registerListener(final OnNetworkStatusChangedListener listener) {
if (listener == null) return;
UtilsBridge.runOnUiThread(new Runnable() {
@Override
@RequiresPermission(ACCESS_NETWORK_STATE)
public void run() {
int preSize = mListeners.size();
mListeners.add(listener);
if (preSize == 0 && mListeners.size() == 1) {
mType = getNetworkType();
IntentFilter intentFilter = new IntentFilter(ConnectivityManager.CONNECTIVITY_ACTION);
Utils.getApp().registerReceiver(NetworkChangedReceiver.getInstance(), intentFilter);
}
}
});
}
boolean isRegistered(final OnNetworkStatusChangedListener listener) {
if (listener == null) return false;
return mListeners.contains(listener);
}
void unregisterListener(final OnNetworkStatusChangedListener listener) {
if (listener == null) return;
UtilsBridge.runOnUiThread(new Runnable() {
@Override
public void run() {
int preSize = mListeners.size();
mListeners.remove(listener);
if (preSize == 1 && mListeners.size() == 0) {
Utils.getApp().unregisterReceiver(NetworkChangedReceiver.getInstance());
}
}
});
}
@Override
public void onReceive(Context context, Intent intent) {
if (ConnectivityManager.CONNECTIVITY_ACTION.equals(intent.getAction())) {
// debouncing
UtilsBridge.runOnUiThreadDelayed(new Runnable() {
@Override
@RequiresPermission(ACCESS_NETWORK_STATE)
public void run() {
NetworkType networkType = NetworkUtils.getNetworkType();
if (mType == networkType) return;
mType = networkType;
if (networkType == NetworkType.NETWORK_NO) {
for (OnNetworkStatusChangedListener listener : mListeners) {
listener.onDisconnected();
}
} else {
for (OnNetworkStatusChangedListener listener : mListeners) {
listener.onConnected(networkType);
}
}
}
}, 1000);
}
}
private static class LazyHolder {
private static final NetworkChangedReceiver INSTANCE = new NetworkChangedReceiver();
}
}
// /**
// * Register the status of network changed listener.
// */
// @RequiresApi(api = Build.VERSION_CODES.LOLLIPOP)
// @RequiresPermission(ACCESS_NETWORK_STATE)
// public static void registerNetworkStatusChangedListener() {
// ConnectivityManager cm = (ConnectivityManager) Utils.getApp().getSystemService(Context.CONNECTIVITY_SERVICE);
// if (cm == null) return;
// NetworkCallbackImpl networkCallback = NetworkCallbackImpl.LazyHolder.INSTANCE;
// NetworkRequest.Builder builder = new NetworkRequest.Builder();
// NetworkRequest request = builder.build();
// cm.registerNetworkCallback(new NetworkRequest.Builder().build(), networkCallback);
// }
//
//
// @RequiresApi(api = Build.VERSION_CODES.LOLLIPOP)
// public static final class NetworkCallbackImpl extends ConnectivityManager.NetworkCallback {
//
// @Override
// public void onAvailable(@NonNull Network network) {
// super.onAvailable(network);
// LogUtils.d(TAG, "onAvailable: " + network);
// }
//
// @Override
// public void onLosing(@NonNull Network network, int maxMsToLive) {
// super.onLosing(network, maxMsToLive);
// LogUtils.d(TAG, "onLosing: " + network);
// }
//
// @Override
// public void onLost(@NonNull Network network) {
// super.onLost(network);
// LogUtils.e(TAG, "onLost: " + network);
// }
//
// @Override
// public void onUnavailable() {
// super.onUnavailable();
// LogUtils.e(TAG, "onUnavailable");
// }
//
// @Override
// public void onCapabilitiesChanged(@NonNull Network network, @NonNull NetworkCapabilities cap) {
// super.onCapabilitiesChanged(network, cap);
// if (cap.hasCapability(NetworkCapabilities.NET_CAPABILITY_VALIDATED)) {
// if (cap.hasTransport(NetworkCapabilities.TRANSPORT_WIFI)) {
// LogUtils.d(TAG, "onCapabilitiesChanged: 网络类型为wifi");
// } else if (cap.hasTransport(NetworkCapabilities.TRANSPORT_CELLULAR)) {
// LogUtils.d(TAG, "onCapabilitiesChanged: 蜂窝网络");
// } else {
// LogUtils.d(TAG, "onCapabilitiesChanged: 其他网络");
// }
// LogUtils.d(TAG, "onCapabilitiesChanged: " + network + ", " + cap);
// }
// }
//
// @Override