package com.hdl.photovoltaic.utils;
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import static android.Manifest.permission.ACCESS_NETWORK_STATE;
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import android.content.BroadcastReceiver;
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import android.content.Context;
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import android.content.Intent;
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import android.content.IntentFilter;
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import android.net.ConnectivityManager;
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import android.net.Network;
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import android.net.NetworkInfo;
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import android.net.NetworkRequest;
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import android.os.Build;
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import android.telephony.TelephonyManager;
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import androidx.annotation.RequiresApi;
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import androidx.annotation.RequiresPermission;
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import com.hdl.photovoltaic.HDLApp;
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import java.lang.ref.WeakReference;
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import java.util.HashSet;
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import java.util.Set;
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import java.util.concurrent.Executors;
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/**
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* Created by Tong on 2022/7/13.
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*/
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public class NetworkUtils {
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public enum NetworkType {
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NETWORK_ETHERNET,
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NETWORK_WIFI,
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NETWORK_5G,
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NETWORK_4G,
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NETWORK_3G,
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NETWORK_2G,
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NETWORK_UNKNOWN,
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NETWORK_NO
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}
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public interface OnNetworkStatusChangedListener {
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void onDisconnected();
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void onConnected(NetworkType networkType);
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}
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public static void init(Context context) {
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if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
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NetworkCallbackImpl.getInstance().init(context);
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} else {
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NetworkChangedReceiver.getInstance().init(context);
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}
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}
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public static void registerNetworkStatusChangedListener(final OnNetworkStatusChangedListener listener) {
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if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
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NetworkCallbackImpl.getInstance().registerListener(listener);
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} else {
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NetworkChangedReceiver.getInstance().registerListener(listener);
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}
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}
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public static void unregisterListener(final OnNetworkStatusChangedListener listener) {
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if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
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NetworkCallbackImpl.getInstance().unregisterListener(listener);
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} else {
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NetworkChangedReceiver.getInstance().unregisterListener(listener);
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}
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}
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public static final class NetworkChangedReceiver extends BroadcastReceiver {
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private WeakReference<Context> mContext;
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private NetworkChangedReceiver() {
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}
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private static class SingletonInstance {
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private static final NetworkChangedReceiver INSTANCE = new NetworkChangedReceiver();
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}
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public static NetworkChangedReceiver getInstance() {
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return SingletonInstance.INSTANCE;
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}
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private NetworkType mType;
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private final Set<OnNetworkStatusChangedListener> mListeners = new HashSet<>();
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public void init(Context context) {
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if (mContext == null) {
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getInstance().mContext = new WeakReference<>(context.getApplicationContext());
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}
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}
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@RequiresPermission(ACCESS_NETWORK_STATE)
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public void registerListener(final OnNetworkStatusChangedListener listener) {
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if (listener == null) return;
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Executors.newSingleThreadExecutor().execute(new Runnable() {
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@Override
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public void run() {
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int preSize = mListeners.size();
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mListeners.add(listener);
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if (preSize == 0 && mListeners.size() == 1 && null != mContext.get()) {
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mType = getNetworkType();
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IntentFilter intentFilter = new IntentFilter(ConnectivityManager.CONNECTIVITY_ACTION);
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mContext.get().registerReceiver(NetworkChangedReceiver.getInstance(), intentFilter);
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}
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}
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});
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}
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public boolean isRegistered(final OnNetworkStatusChangedListener listener) {
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if (listener == null) return false;
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return mListeners.contains(listener);
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}
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public void unregisterListener(final OnNetworkStatusChangedListener listener) {
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if (listener == null) return;
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Executors.newSingleThreadExecutor().execute(new Runnable() {
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@Override
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public void run() {
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int preSize = mListeners.size();
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mListeners.remove(listener);
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if (preSize == 1 && mListeners.size() == 0 && mContext.get() != null) {
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mContext.get().unregisterReceiver(NetworkChangedReceiver.getInstance());
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}
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}
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});
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}
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@Override
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public void onReceive(Context context, Intent intent) {
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if (ConnectivityManager.CONNECTIVITY_ACTION.equals(intent.getAction())) {
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Executors.newSingleThreadExecutor().execute(new Runnable() {
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@Override
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public void run() {
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NetworkType networkType = NetworkUtils.getNetworkType();
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if (mType == networkType) return;
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mType = networkType;
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if (networkType == NetworkType.NETWORK_NO) {
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for (OnNetworkStatusChangedListener listener : mListeners) {
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listener.onDisconnected();
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}
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} else {
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for (OnNetworkStatusChangedListener listener : mListeners) {
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listener.onConnected(networkType);
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}
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}
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}
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});
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}
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}
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}
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@RequiresPermission(ACCESS_NETWORK_STATE)
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private static boolean isEthernet() {
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final ConnectivityManager cm =
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(ConnectivityManager) HDLApp.getInstance().getSystemService(Context.CONNECTIVITY_SERVICE);
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if (cm == null) return false;
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final NetworkInfo info = cm.getNetworkInfo(ConnectivityManager.TYPE_ETHERNET);
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if (info == null) return false;
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NetworkInfo.State state = info.getState();
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if (null == state) return false;
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return state == NetworkInfo.State.CONNECTED || state == NetworkInfo.State.CONNECTING;
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}
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@RequiresPermission(ACCESS_NETWORK_STATE)
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public static NetworkType getNetworkType() {
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if (isEthernet()) {
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return NetworkType.NETWORK_ETHERNET;
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}
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NetworkInfo info = getActiveNetworkInfo();
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if (info != null && info.isAvailable()) {
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if (info.getType() == ConnectivityManager.TYPE_WIFI) {
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return NetworkType.NETWORK_WIFI;
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} else if (info.getType() == ConnectivityManager.TYPE_MOBILE) {
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switch (info.getSubtype()) {
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case TelephonyManager.NETWORK_TYPE_GSM:
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case TelephonyManager.NETWORK_TYPE_GPRS:
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case TelephonyManager.NETWORK_TYPE_CDMA:
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case TelephonyManager.NETWORK_TYPE_EDGE:
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case TelephonyManager.NETWORK_TYPE_1xRTT:
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case TelephonyManager.NETWORK_TYPE_IDEN:
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return NetworkType.NETWORK_2G;
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case TelephonyManager.NETWORK_TYPE_TD_SCDMA:
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case TelephonyManager.NETWORK_TYPE_EVDO_A:
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case TelephonyManager.NETWORK_TYPE_UMTS:
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case TelephonyManager.NETWORK_TYPE_EVDO_0:
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case TelephonyManager.NETWORK_TYPE_HSDPA:
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case TelephonyManager.NETWORK_TYPE_HSUPA:
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case TelephonyManager.NETWORK_TYPE_HSPA:
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case TelephonyManager.NETWORK_TYPE_EVDO_B:
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case TelephonyManager.NETWORK_TYPE_EHRPD:
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case TelephonyManager.NETWORK_TYPE_HSPAP:
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return NetworkType.NETWORK_3G;
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case TelephonyManager.NETWORK_TYPE_IWLAN:
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case TelephonyManager.NETWORK_TYPE_LTE:
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return NetworkType.NETWORK_4G;
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case 20:
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return NetworkType.NETWORK_5G;
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default:
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String subtypeName = info.getSubtypeName();
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if (subtypeName.equalsIgnoreCase("TD-SCDMA")
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|| subtypeName.equalsIgnoreCase("WCDMA")
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|| subtypeName.equalsIgnoreCase("CDMA2000")) {
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return NetworkType.NETWORK_3G;
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} else {
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return NetworkType.NETWORK_UNKNOWN;
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}
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}
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} else {
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return NetworkType.NETWORK_UNKNOWN;
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}
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}
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return NetworkType.NETWORK_NO;
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}
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@RequiresPermission(ACCESS_NETWORK_STATE)
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private static NetworkInfo getActiveNetworkInfo() {
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ConnectivityManager cm =
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(ConnectivityManager) HDLApp.getInstance().getSystemService(Context.CONNECTIVITY_SERVICE);
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if (cm == null) return null;
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return cm.getActiveNetworkInfo();
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}
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@RequiresApi(api = Build.VERSION_CODES.LOLLIPOP)
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private static class NetworkCallbackImpl extends ConnectivityManager.NetworkCallback {
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private final Set<OnNetworkStatusChangedListener> mListeners = new HashSet<>();
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private ConnectivityManager mConnectivityManager;
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private WeakReference<Context> mContext;
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public NetworkCallbackImpl() {
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}
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private static class SingletonInstance {
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private static final NetworkCallbackImpl INSTANCE = new NetworkCallbackImpl();
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}
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public static NetworkCallbackImpl getInstance() {
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return SingletonInstance.INSTANCE;
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}
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public void init(Context context) {
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if (mContext == null) {
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getInstance().mContext = new WeakReference<>(context.getApplicationContext());
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}
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}
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@RequiresPermission(ACCESS_NETWORK_STATE)
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public void registerListener(final OnNetworkStatusChangedListener listener) {
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if (listener == null || mContext == null || mContext.get() == null) return;
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Executors.newSingleThreadExecutor().execute(new Runnable() {
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@Override
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public void run() {
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if (mContext.get() == null) return;
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int preSize = mListeners.size();
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mListeners.add(listener);
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if (preSize == 0 && mListeners.size() == 1) {
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NetworkRequest.Builder builder = new NetworkRequest.Builder();
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NetworkRequest request = builder.build();
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mConnectivityManager = (ConnectivityManager) mContext.get().getSystemService(Context.CONNECTIVITY_SERVICE);
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mConnectivityManager.requestNetwork(request, getInstance());
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}
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}
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});
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}
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public void unregisterListener(final OnNetworkStatusChangedListener listener) {
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if (listener == null) return;
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Executors.newSingleThreadExecutor().execute(new Runnable() {
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@Override
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public void run() {
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int preSize = mListeners.size();
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mListeners.remove(listener);
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if (preSize == 1 && mListeners.size() == 0 && mConnectivityManager != null) {
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mConnectivityManager.unregisterNetworkCallback(getInstance());
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}
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}
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});
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}
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@Override
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public void onAvailable(Network network) {
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super.onAvailable(network);
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//网络连接
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Executors.newSingleThreadExecutor().execute(new Runnable() {
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@Override
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public void run() {
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NetworkInfo networkInfo = mConnectivityManager.getNetworkInfo(network);
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if (networkInfo != null) {
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NetworkType networkType = getNetworkType();
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for (OnNetworkStatusChangedListener listener : mListeners) {
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listener.onConnected(networkType);
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}
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}
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}
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});
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}
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@Override
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public void onLost(Network network) {
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super.onLost(network);
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//网络已断开
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Executors.newSingleThreadExecutor().execute(new Runnable() {
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@Override
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public void run() {
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for (OnNetworkStatusChangedListener listener : mListeners) {
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listener.onDisconnected();
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}
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}
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});
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}
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}
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}
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