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java - 扫描可用 wifi 时出现异常 - java.lang.IllegalStateException : Reply already submitted

转载 作者：行者123 更新时间：2023-12-01 14:32:45 26 4
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当我使用 wifi 请求网络中可用的 wifi 列表时低于异常。

异常(exception) :

E/MethodChannel#plugins.ly.com/wifi(29023): Failed to handle method call
E/MethodChannel#plugins.ly.com/wifi(29023): java.lang.IllegalStateException: Reply already submitted
E/MethodChannel#plugins.ly.com/wifi(29023):     at io.flutter.embedding.engine.dart.DartMessenger$Reply.reply(DartMessenger.java:151)
E/MethodChannel#plugins.ly.com/wifi(29023):     at io.flutter.plugin.common.MethodChannel$IncomingMethodCallHandler$1.error(MethodChannel.java:230)
E/MethodChannel#plugins.ly.com/wifi(29023):     at com.ly.wifi.WifiDelegate.finishWithError(WifiDelegate.java:341)
E/MethodChannel#plugins.ly.com/wifi(29023):     at com.ly.wifi.WifiDelegate.finishWithAlreadyActiveError(WifiDelegate.java:337)
E/MethodChannel#plugins.ly.com/wifi(29023):     at com.ly.wifi.WifiDelegate.getWifiList(WifiDelegate.java:172)
E/MethodChannel#plugins.ly.com/wifi(29023):     at com.ly.wifi.WifiPlugin.onMethodCall(WifiPlugin.java:58)
E/MethodChannel#plugins.ly.com/wifi(29023):     at io.flutter.plugin.common.MethodChannel$IncomingMethodCallHandler.onMessage(MethodChannel.java:222)
E/MethodChannel#plugins.ly.com/wifi(29023):     at io.flutter.embedding.engine.dart.DartMessenger.handleMessageFromDart(DartMessenger.java:96)
E/MethodChannel#plugins.ly.com/wifi(29023):     at io.flutter.embedding.engine.FlutterJNI.handlePlatformMessage(FlutterJNI.java:656)
E/MethodChannel#plugins.ly.com/wifi(29023):     at android.os.MessageQueue.nativePollOnce(Native Method)
E/MethodChannel#plugins.ly.com/wifi(29023):     at android.os.MessageQueue.next(MessageQueue.java:336)
E/MethodChannel#plugins.ly.com/wifi(29023):     at android.os.Looper.loop(Looper.java:174)
E/MethodChannel#plugins.ly.com/wifi(29023):     at android.app.ActivityThread.main(ActivityThread.java:7356)
E/MethodChannel#plugins.ly.com/wifi(29023):     at java.lang.reflect.Method.invoke(Native Method)
E/MethodChannel#plugins.ly.com/wifi(29023):     at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:492)
E/MethodChannel#plugins.ly.com/wifi(29023):     at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:930)
I/flutter (29023): PlatformException(error, Reply already submitted, null)
E/MethodChannel#plugins.ly.com/wifi(29023): Failed to handle method call
E/MethodChannel#plugins.ly.com/wifi(29023): java.lang.IllegalStateException: Reply already submitted
E/MethodChannel#plugins.ly.com/wifi(29023):     at io.flutter.embedding.engine.dart.DartMessenger$Reply.reply(DartMessenger.java:151)
E/MethodChannel#plugins.ly.com/wifi(29023):     at io.flutter.plugin.common.MethodChannel$IncomingMethodCallHandler$1.error(MethodChannel.java:230)
E/MethodChannel#plugins.ly.com/wifi(29023):     at com.ly.wifi.WifiDelegate.finishWithError(WifiDelegate.java:341)
E/MethodChannel#plugins.ly.com/wifi(29023):     at com.ly.wifi.WifiDelegate.finishWithAlreadyActiveError(WifiDelegate.java:337)
E/MethodChannel#plugins.ly.com/wifi(29023):     at com.ly.wifi.WifiDelegate.getWifiList(WifiDelegate.java:172)
E/MethodChannel#plugins.ly.com/wifi(29023):     at com.ly.wifi.WifiPlugin.onMethodCall(WifiPlugin.java:58)
E/MethodChannel#plugins.ly.com/wifi(29023):     at io.flutter.plugin.common.MethodChannel$IncomingMethodCallHandler.onMessage(MethodChannel.java:222)
E/MethodChannel#plugins.ly.com/wifi(29023):     at io.flutter.embedding.engine.dart.DartMessenger.handleMessageFromDart(DartMessenger.java:96)
E/MethodChannel#plugins.ly.com/wifi(29023):     at io.flutter.embedding.engine.FlutterJNI.handlePlatformMessage(FlutterJNI.java:656)
E/MethodChannel#plugins.ly.com/wifi(29023):     at android.os.MessageQueue.nativePollOnce(Native Method)
E/MethodChannel#plugins.ly.com/wifi(29023):     at android.os.MessageQueue.next(MessageQueue.java:336)
E/MethodChannel#plugins.ly.com/wifi(29023):     at android.os.Looper.loop(Looper.java:174)
E/MethodChannel#plugins.ly.com/wifi(29023):     at android.app.ActivityThread.main(ActivityThread.java:7356)
E/MethodChannel#plugins.ly.com/wifi(29023):     at java.lang.reflect.Method.invoke(Native Method)
E/MethodChannel#plugins.ly.com/wifi(29023):     at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:492)
E/MethodChannel#plugins.ly.com/wifi(29023):     at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:930)
I/flutter (29023): PlatformException(error, Reply already submitted, null)
E/MethodChannel#plugins.ly.com/wifi(29023): Failed to handle method call
E/MethodChannel#plugins.ly.com/wifi(29023): java.lang.IllegalStateException: Reply already submitted
E/MethodChannel#plugins.ly.com/wifi(29023):     at io.flutter.embedding.engine.dart.DartMessenger$Reply.reply(DartMessenger.java:151)
E/MethodChannel#plugins.ly.com/wifi(29023):     at io.flutter.plugin.common.MethodChannel$IncomingMethodCallHandler$1.error(MethodChannel.java:230)
E/MethodChannel#plugins.ly.com/wifi(29023):     at com.ly.wifi.WifiDelegate.finishWithError(WifiDelegate.java:341)
E/MethodChannel#plugins.ly.com/wifi(29023):     at com.ly.wifi.WifiDelegate.finishWithAlreadyActiveError(WifiDelegate.java:337)
E/MethodChannel#plugins.ly.com/wifi(29023):     at com.ly.wifi.WifiDelegate.getWifiList(WifiDelegate.java:172)
E/MethodChannel#plugins.ly.com/wifi(29023):     at com.ly.wifi.WifiPlugin.onMethodCall(WifiPlugin.java:58)
E/MethodChannel#plugins.ly.com/wifi(29023):     at io.flutter.plugin.common.MethodChannel$IncomingMethodCallHandler.onMessage(MethodChannel.java:222)
E/MethodChannel#plugins.ly.com/wifi(29023):     at io.flutter.embedding.engine.dart.DartMessenger.handleMessageFromDart(DartMessenger.java:96)
E/MethodChannel#plugins.ly.com/wifi(29023):     at io.flutter.embedding.engine.FlutterJNI.handlePlatformMessage(FlutterJNI.java:656)
E/MethodChannel#plugins.ly.com/wifi(29023):     at android.os.MessageQueue.nativePollOnce(Native Method)
E/MethodChannel#plugins.ly.com/wifi(29023):     at android.os.MessageQueue.next(MessageQueue.java:336)
E/MethodChannel#plugins.ly.com/wifi(29023):     at android.os.Looper.loop(Looper.java:174)
E/MethodChannel#plugins.ly.com/wifi(29023):     at android.app.ActivityThread.main(ActivityThread.java:7356)
E/MethodChannel#plugins.ly.com/wifi(29023):     at java.lang.reflect.Method.invoke(Native Method)
E/MethodChannel#plugins.ly.com/wifi(29023):     at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:492)
E/MethodChannel#plugins.ly.com/wifi(29023):     at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:930)
I/flutter (29023): PlatformException(error, Reply already submitted, null)

代码: 
Future<List<WifiResult>> getAvailableWifi() async {
List<WifiResult> filteredList = [];
bool match = true;

return Wifi.list('');
List<WifiResult> wifis =  await Wifi.list('');
return wifis;
}

最佳答案

WifiManager.startScan()使用限制为每 2 分钟扫描 4 次。 - 合并的所有后台应用程序限制为每 30 分钟一次扫描。”

请检查您是否调用 WifiManager.startScan()在 2 分钟内超过 4 次。

引用链接:https://developer.android.com/guide/topics/connectivity/wifi-scan#wifi-scan-throttling

关于java - 扫描可用 wifi 时出现异常 - java.lang.IllegalStateException : Reply already submitted，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/60449787/

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