From a526931e39f977dc84dd08639b01e1260fdb1d21 Mon Sep 17 00:00:00 2001
From: 18034727885 <973609879@qq.com>
Date: 星期一, 15 六月 2026 10:56:41 +0800
Subject: [PATCH] 修复问题
---
xldUtils/src/main/java/cn/sinata/xldutils/netstatus/NetStateReceiver.java | 206 ++++++++++++++++++++++++++++++++++++++++++++++-----
1 files changed, 185 insertions(+), 21 deletions(-)
diff --git a/xldUtils/src/main/java/cn/sinata/xldutils/netstatus/NetStateReceiver.java b/xldUtils/src/main/java/cn/sinata/xldutils/netstatus/NetStateReceiver.java
index 7656d8f..7d223e1 100644
--- a/xldUtils/src/main/java/cn/sinata/xldutils/netstatus/NetStateReceiver.java
+++ b/xldUtils/src/main/java/cn/sinata/xldutils/netstatus/NetStateReceiver.java
@@ -4,10 +4,18 @@
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
+import android.net.ConnectivityManager;
+import android.net.Network;
+import android.net.NetworkCapabilities;
+import android.net.NetworkRequest;
+import android.os.Build;
+import android.os.Handler;
+import android.os.Looper;
-import cn.sinata.xldutils.utils.Utils;
+import androidx.annotation.RequiresApi;
import java.util.ArrayList;
+import java.util.List;
/**
*网络状态监听
@@ -20,6 +28,14 @@
private static NetUtils.NetType mNetType;
private static ArrayList<NetChangeObserver> mNetChangeObservers = new ArrayList<NetChangeObserver>();
private static BroadcastReceiver mBroadcastReceiver;
+ // 保存应用级上下文，避免页面上下文被静态监听器持有 由AI生成
+ private static Context mAppContext;
+ // 记录注册次数，防止多个页面互相注销同一个全局监听 由AI生成
+ private static int mRegisterCount = 0;
+ // 网络回调对象用于 Android 5.0 及以上系统监听网络变化 由AI生成
+ private static ConnectivityManager.NetworkCallback mNetworkCallback;
+ // 主线程 Handler 用于把网络回调分发回 UI 安全线程 由AI生成
+ private static final Handler MAIN_HANDLER = new Handler(Looper.getMainLooper());
private static BroadcastReceiver getReceiver() {
if (null == mBroadcastReceiver) {
@@ -37,33 +53,64 @@
mBroadcastReceiver = NetStateReceiver.this;
if (intent.getAction().equalsIgnoreCase(ANDROID_NET_CHANGE_ACTION) || intent.getAction().equalsIgnoreCase(CUSTOM_ANDROID_NET_CHANGE_ACTION)) {
// Utils.systemErr("111111111");
- if (!NetUtils.isNetworkAvailable(context)) {
- isNetAvailable = false;
- } else {
- isNetAvailable = true;
- mNetType = NetUtils.getAPNType(context);
- }
+ updateNetworkState(context);
notifyObserver();
}
}
public static void registerNetworkStateReceiver(Context mContext) {
- IntentFilter filter = new IntentFilter();
- filter.addAction(CUSTOM_ANDROID_NET_CHANGE_ACTION);
- filter.addAction(ANDROID_NET_CHANGE_ACTION);
- mContext.registerReceiver(getReceiver(), filter);
+ if (mContext == null) {
+ return;
+ }
+ mAppContext = mContext.getApplicationContext();
+ if (mRegisterCount++ > 0) {
+ updateNetworkState(mAppContext);
+ return;
+ }
+ if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
+ registerNetworkCallback(mAppContext);
+ } else {
+ IntentFilter filter = new IntentFilter();
+ filter.addAction(CUSTOM_ANDROID_NET_CHANGE_ACTION);
+ filter.addAction(ANDROID_NET_CHANGE_ACTION);
+ mAppContext.registerReceiver(getReceiver(), filter);
+ }
+ updateNetworkState(mAppContext);
}
public static void checkNetworkState(Context mContext) {
- Intent intent = new Intent();
- intent.setAction(CUSTOM_ANDROID_NET_CHANGE_ACTION);
- mContext.sendBroadcast(intent);
+ if (mContext == null) {
+ return;
+ }
+ updateNetworkState(mContext);
+ notifyObserver();
}
public static void unRegisterNetworkStateReceiver(Context mContext) {
+ if (mContext == null || mRegisterCount <= 0) {
+ return;
+ }
+ mRegisterCount--;
+ if (mRegisterCount > 0) {
+ return;
+ }
+ Context appContext = mContext.getApplicationContext();
+ if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP && mNetworkCallback != null) {
+ try {
+ ConnectivityManager connectivityManager = (ConnectivityManager) appContext.getSystemService(Context.CONNECTIVITY_SERVICE);
+ if (connectivityManager != null) {
+ connectivityManager.unregisterNetworkCallback(mNetworkCallback);
+ }
+ } catch (Exception e) {
+ e.printStackTrace();
+ } finally {
+ mNetworkCallback = null;
+ }
+ return;
+ }
if (mBroadcastReceiver != null) {
try {
- mContext.unregisterReceiver(mBroadcastReceiver);
+ appContext.unregisterReceiver(mBroadcastReceiver);
} catch (Exception e) {
e.printStackTrace();
}
@@ -79,11 +126,10 @@
return mNetType;
}
- private void notifyObserver() {
+ private static void notifyObserver() {
if (!mNetChangeObservers.isEmpty()) {
- int size = mNetChangeObservers.size();
- for (int i = 0; i < size; i++) {
- NetChangeObserver observer = mNetChangeObservers.get(i);
+ List<NetChangeObserver> observers = new ArrayList<NetChangeObserver>(mNetChangeObservers);
+ for (NetChangeObserver observer : observers) {
if (observer != null) {
if (isNetworkAvailable()) {
observer.onNetConnected(mNetType);
@@ -99,7 +145,9 @@
if (mNetChangeObservers == null) {
mNetChangeObservers = new ArrayList<NetChangeObserver>();
}
- mNetChangeObservers.add(observer);
+ if (observer != null && !mNetChangeObservers.contains(observer)) {
+ mNetChangeObservers.add(observer);
+ }
}
public static void removeRegisterObserver(NetChangeObserver observer) {
@@ -109,4 +157,120 @@
}
}
}
-}
\ No newline at end of file
+
+ // 注册系统网络回调以替代高版本系统上不可靠的 CONNECTIVITY_CHANGE 广播 由AI生成
+ @RequiresApi(api = Build.VERSION_CODES.LOLLIPOP)
+ private static void registerNetworkCallback(final Context context) {
+ // 获取系统网络服务用于注册 NetworkCallback 由AI生成
+ ConnectivityManager connectivityManager = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
+ // 网络服务为空时保持原有状态并直接返回 由AI生成
+ if (connectivityManager == null) {
+ return;
+ }
+ // 避免重复创建网络回调对象 由AI生成
+ if (mNetworkCallback != null) {
+ return;
+ }
+ // 创建网络变化回调对象 由AI生成
+ mNetworkCallback = new ConnectivityManager.NetworkCallback() {
+ // 网络可用时刷新当前网络状态 由AI生成
+ @Override
+ public void onAvailable(Network network) {
+ // 切回主线程分发，避免页面回调在 Binder 线程更新 UI 由AI生成
+ dispatchNetworkChanged(context);
+ }
+
+ // 网络能力变化时刷新当前网络状态 由AI生成
+ @Override
+ public void onCapabilitiesChanged(Network network, NetworkCapabilities networkCapabilities) {
+ // 切回主线程分发最新联网能力 由AI生成
+ dispatchNetworkChanged(context);
+ }
+
+ // 网络丢失时重新查询当前活动网络，兼容 Wi-Fi 与移动网络切换 由AI生成
+ @Override
+ public void onLost(Network network) {
+ // 切回主线程后再通知观察者 由AI生成
+ dispatchNetworkChanged(context);
+ }
+ };
+ try {
+ // 只监听具备互联网能力的网络，减少无效网络状态回调 由AI生成
+ NetworkRequest request = new NetworkRequest.Builder().addCapability(NetworkCapabilities.NET_CAPABILITY_INTERNET).build();
+ // 向系统注册网络变化回调 由AI生成
+ connectivityManager.registerNetworkCallback(request, mNetworkCallback);
+ } catch (Exception e) {
+ // 注册失败时打印异常并回退到旧广播路径 由AI生成
+ e.printStackTrace();
+ // 清空失败的回调对象，避免后续注销不存在的系统回调 由AI生成
+ mNetworkCallback = null;
+ // 使用旧广播监听作为兜底方案 由AI生成
+ registerLegacyReceiver(context);
+ }
+ }
+
+ // 注册旧版网络广播监听作为低版本或异常兜底 由AI生成
+ private static void registerLegacyReceiver(Context context) {
+ // 创建网络广播过滤器 由AI生成
+ IntentFilter filter = new IntentFilter();
+ // 监听应用内部主动检查网络的广播 由AI生成
+ filter.addAction(CUSTOM_ANDROID_NET_CHANGE_ACTION);
+ // 监听系统网络变化广播 由AI生成
+ filter.addAction(ANDROID_NET_CHANGE_ACTION);
+ try {
+ // 使用应用上下文注册广播，避免持有页面实例 由AI生成
+ context.getApplicationContext().registerReceiver(getReceiver(), filter);
+ } catch (Exception e) {
+ // 注册失败时输出异常，避免影响业务启动 由AI生成
+ e.printStackTrace();
+ }
+ }
+
+ // 刷新网络状态并通知所有观察者 由AI生成
+ private static void dispatchNetworkChanged(final Context context) {
+ // 主线程执行状态更新，保证观察者回调线程一致 由AI生成
+ MAIN_HANDLER.post(new Runnable() {
+ // 执行网络状态查询和分发 由AI生成
+ @Override
+ public void run() {
+ // 根据系统当前网络刷新缓存状态 由AI生成
+ updateNetworkState(context);
+ // 把最新状态通知业务观察者 由AI生成
+ notifyObserver();
+ }
+ });
+ }
+
+ // 根据当前系统网络刷新缓存状态 由AI生成
+ private static void updateNetworkState(Context context) {
+ // 上下文为空时标记为无网络 由AI生成
+ if (context == null) {
+ isNetAvailable = false;
+ mNetType = NetUtils.NetType.NONE;
+ return;
+ }
+ // Android 6.0 及以上优先用 NetworkCapabilities 判断真实互联网能力 由AI生成
+ if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
+ ConnectivityManager connectivityManager = (ConnectivityManager) context.getApplicationContext().getSystemService(Context.CONNECTIVITY_SERVICE);
+ if (connectivityManager == null) {
+ isNetAvailable = false;
+ mNetType = NetUtils.NetType.NONE;
+ return;
+ }
+ Network activeNetwork = connectivityManager.getActiveNetwork();
+ NetworkCapabilities capabilities = connectivityManager.getNetworkCapabilities(activeNetwork);
+ isNetAvailable = capabilities != null
+ && capabilities.hasCapability(NetworkCapabilities.NET_CAPABILITY_INTERNET);
+ mNetType = isNetAvailable ? NetUtils.getAPNType(context) : NetUtils.NetType.NONE;
+ return;
+ }
+ // 旧系统保持原有 NetworkInfo 判断逻辑 由AI生成
+ if (!NetUtils.isNetworkAvailable(context)) {
+ isNetAvailable = false;
+ mNetType = NetUtils.NetType.NONE;
+ } else {
+ isNetAvailable = true;
+ mNetType = NetUtils.getAPNType(context);
+ }
+ }
+}
--
Gitblit v1.7.1