package com.dayu.pipirrapp.utils; import android.content.Context; import android.net.ConnectivityManager; import android.net.Network; import android.net.NetworkCapabilities; import android.net.NetworkInfo; import android.net.NetworkRequest; import android.os.Build; import androidx.annotation.NonNull; import com.jeremyliao.liveeventbus.LiveEventBus; /** * NetUtils - 网络相关公共方法 * * @author zuoxiao * @version 1.0 * @since 2024-12-04 */ public class NetUtils { public static final String TAG = "NetUtils"; //有网 public static final int Available = 1; //无网 public static final int Lost = 2; /** * 判断当前是否有网络 * * @param context * @return */ public static boolean isNetworkAvailable(Context context) { ConnectivityManager connectivityManager = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE); if (connectivityManager != null) { // 对于 Android 版本大于等于 Android Q (API level 29) if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q) { NetworkCapabilities capabilities = connectivityManager.getNetworkCapabilities(connectivityManager.getActiveNetwork()); if (capabilities != null) { // 检查网络是否有传输能力(包括 Wi-Fi 和移动数据) if (capabilities.hasTransport(NetworkCapabilities.TRANSPORT_WIFI) || capabilities.hasTransport(NetworkCapabilities.TRANSPORT_CELLULAR)) { return true; } } } else { // 对于 Android Q 以下版本 NetworkInfo activeNetworkInfo = connectivityManager.getActiveNetworkInfo(); if (activeNetworkInfo != null && activeNetworkInfo.isConnected()) { return true; } } } return false; // 无网络连接 } public static void registerNetCallBack(Context context) { MyLog.d("registerNetCallBack"); // 注册网络状态监听 ConnectivityManager cm = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE); // 构建一个 NetworkRequest,指定感兴趣的网络类型 NetworkRequest networkRequest = new NetworkRequest.Builder() .addCapability(NetworkCapabilities.NET_CAPABILITY_INTERNET) .addTransportType(NetworkCapabilities.TRANSPORT_WIFI) // 监听 Wi-Fi 网络 .addTransportType(NetworkCapabilities.TRANSPORT_CELLULAR)//// 监听移动数据网络 .build(); // 注册网络监听 cm.registerNetworkCallback(networkRequest, networkCallback); } // 注销广播接收器 public static void unregisterReceiver(Context context) { MyLog.d("unregisterReceiver"); ConnectivityManager cm = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE); cm.unregisterNetworkCallback(networkCallback); } //网络监控 static ConnectivityManager.NetworkCallback networkCallback = new ConnectivityManager.NetworkCallback() { @Override public void onAvailable(@NonNull Network network) { super.onAvailable(network); // 这里可以执行网络可用后的逻辑,比如进行数据请求等 MyLog.d("networkCallback》onAvailable"); LiveEventBus.get(CommonKeyName.NetworkCallback).post(Available); } @Override public void onLost(@NonNull Network network) { super.onLost(network); // 这里可以执行网络丢失后的逻辑,比如停止数据请求等 MyLog.d("networkCallback》onLost"); LiveEventBus.get(CommonKeyName.NetworkCallback).post(Lost); } @Override public void onCapabilitiesChanged(@NonNull Network network, @NonNull NetworkCapabilities networkCapabilities) { super.onCapabilitiesChanged(network, networkCapabilities); MyLog.d("networkCallback》onCapabilitiesChanged"); } }; }