Android的Socket连接失败
问题描述:
我想..我的服务器,除了Android客户端工作正常不工作,甚至加入因特网连接许可Android的Socket连接失败
这里后建立的Android客户端和C#服务器之间的连接是代码:
private void connectSocket(String a){
try {
InetAddress serverAddr = InetAddress.getByName("192.168.0.2");
Log.d("TCP", "C: Connecting....");
Socket socket = new Socket(serverAddr,4444);
Log.d("TCP", "C: I dunno ...");
//String message = "1";
PrintWriter out = null;
BufferedReader in = null;
try {
// Log.d("TCP", "C: Sending: '" + message + "'");
out = new PrintWriter(new BufferedWriter(new OutputStreamWriter(socket.getOutputStream())),true);
in = new BufferedReader(new InputStreamReader(socket.getInputStream()));
//out.println(message);
while ((in.readLine()) != null) {
txt.append(in.readLine());
}
Log.d("TCP", "C: Sent.");
Log.d("TCP", "C: Done.");
} catch(Exception e) {
Log.e("TCP", "S: Error", e);
} finally {
socket.close();
}
} catch (UnknownHostException e) {
// TODO Auto-generated catch block
Log.e("TCP", "C: UnknownHostException", e);
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
Log.e("TCP", "C: IOException", e);
e.printStackTrace();
}
}
这里是调试日志:
11-15 02:41:58.040: W/dalvikvm(26839): threadid=1: thread exiting with uncaught exception (group=0x41c352a0)
11-15 02:41:58.075: E/AndroidRuntime(26839): FATAL EXCEPTION: main
11-15 02:41:58.075: E/AndroidRuntime(26839): android.os.NetworkOnMainThreadException
11-15 02:41:58.075: E/AndroidRuntime(26839): at android.os.StrictMode$AndroidBlockGuardPolicy.onNetwork(StrictMode.java:1118)
11-15 02:41:58.075: E/AndroidRuntime(26839): at libcore.io.BlockGuardOs.connect(BlockGuardOs.java:84)
11-15 02:41:58.075: E/AndroidRuntime(26839): at libcore.io.IoBridge.connectErrno(IoBridge.java:127)
11-15 02:41:58.075: E/AndroidRuntime(26839): at libcore.io.IoBridge.connect(IoBridge.java:112)
11-15 02:41:58.075: E/AndroidRuntime(26839): at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:192)
11-15 02:41:58.075: E/AndroidRuntime(26839): at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172)
11-15 02:41:58.075: E/AndroidRuntime(26839): at java.net.Socket.startupSocket(Socket.java:566)
11-15 02:41:58.075: E/AndroidRuntime(26839): at java.net.Socket.<init>(Socket.java:225)
11-15 02:41:58.075: E/AndroidRuntime(26839): at com.example.socketclient.SocketCode.connectSocket(SocketCode.java:50)
11-15 02:41:58.075: E/AndroidRuntime(26839): at com.example.socketclient.SocketCode.access$0(SocketCode.java:44)
11-15 02:41:58.075: E/AndroidRuntime(26839): at com.example.socketclient.SocketCode$1.onClick(SocketCode.java:35)
11-15 02:41:58.075: E/AndroidRuntime(26839): at android.view.View.performClick(View.java:4211)
11-15 02:41:58.075: E/AndroidRuntime(26839): at android.view.View$PerformClick.run(View.java:17267)
11-15 02:41:58.075: E/AndroidRuntime(26839): at android.os.Handler.handleCallback(Handler.java:615)
11-15 02:41:58.075: E/AndroidRuntime(26839): at android.os.Handler.dispatchMessage(Handler.java:92)
11-15 02:41:58.075: E/AndroidRuntime(26839): at android.os.Looper.loop(Looper.java:137)
11-15 02:41:58.075: E/AndroidRuntime(26839): at android.app.ActivityThread.main(ActivityThread.java:4898)
11-15 02:41:58.075: E/AndroidRuntime(26839): at java.lang.reflect.Method.invokeNative(Native Method)
11-15 02:41:58.075: E/AndroidRuntime(26839): at java.lang.reflect.Method.invoke(Method.java:511)
11-15 02:41:58.075: E/AndroidRuntime(26839): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1006)
11-15 02:41:58.075: E/AndroidRuntime(26839): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:773)
11-15 02:41:58.075: E/AndroidRuntime(26839): at dalvik.system.NativeStart.main(Native Method)
答
通过它的外观你试图在主线程上执行联网操作。看看日志跟踪专线android.os.NetworkOnMainThreadException
。
Android Developer: Network on Main Thread Exception
永远做比主以外的单独的线程联网。还有不同的方法来完成这一点,例如您可以使用或自行启动线程。
对于这个和Android开发人员站点,SO上有几个帖子。这里有一些链接,让你去:
非常感谢,它的工作 –