管灌系统巡查员智能手机App
zuoxiao
2024-12-23 5aa4aff7a2ea7953283cffccf3b1835931295d55
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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");
        }
    };
}