0
我剛開始我的第一個Android應用程序,並有一些麻煩。我已經在Qt中用C++編寫了服務器代碼。由於現在我正在使用另一個控制檯應用程序作爲客戶端,並且一切正常。現在我試圖讓我的android(Android Studio)上的客戶端部分。當我按下按鈕時,我想要連接客戶端。只有連接 - 無數據交換等當客戶端(android)將連接服務器應顯示通信。 這裏是我的服務器連接功能。看起來像:爲什麼我無法通過套接字連接android和PC?
SUCCESSFUL = WSAStartup(MAKEWORD(2,1), &WinSockData);
sock_CONNECTION= socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
memset(& ADDRESS, 0, sizeof(ADDRESS));
ADDRESS.sin_addr.s_addr = inet_addr("127.0.0.1");
ADDRESS.sin_family = AF_INET;
ADDRESS.sin_port = htons(9090);
void Server::Connect()
{
bind(sock_CONNECTION, (SOCKADDR*)&ADDRESS, sizeof(ADDRESS));
listen(sock_CONNECTION,1);
SOCKET accept_Socket =0;
while(accept_Socket==0)
{
accept_Socket = accept(sock_CONNECTION, NULL, NULL);
}
std::cout << "Client connected" << std::endl;
sock_CONNECTION=accept_Socket;
}
UPDATE: /我改變了IP作爲你的意見/
客戶端的代碼表示。沒有致命的錯誤,只是應用程序無所事事。 代碼:
Socket socket;
public void onClick(View v) {
try {
socket = new Socket("192.168.0.227", 9090);
} catch (IOException e) {
e.printStackTrace();
}
錯誤:
Failed to set EGL_SWAP_BEHAVIOR on surface 0xaa23f380, error=EGL_SUCCESS
java.net.SocketException: socket failed: EACCES (Permission denied)
at libcore.io.IoBridge.socket(IoBridge.java:619)
at java.net.PlainSocketImpl.create(PlainSocketImpl.java:198)
at java.net.Socket.startupSocket(Socket.java:584)
at java.net.Socket.tryAllAddresses(Socket.java:128)
at java.net.Socket.<init>(Socket.java:178)
at java.net.Socket.<init>(Socket.java:150)
at com.example.nataliah.client_testapp.Client_Connection$1.onClick(Client_Connection.java:26)
at android.view.View.performClick(View.java:5198)
at android.view.View$PerformClick.run(View.java:21147)
at android.os.Handler.handleCallback(Handler.java:739)
at android.os.Handler.dispatchMessage(Handler.java:95)
at android.os.Looper.loop(Looper.java:148)
at android.app.ActivityThread.main(ActivityThread.java:5417)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:726)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:616)
Caused by: android.system.ErrnoException: socket failed: EACCES (Permission denied)
at libcore.io.Posix.socket(Native Method)
at libcore.io.BlockGuardOs.socket(BlockGuardOs.java:282)
at libcore.io.IoBridge.socket(IoBridge.java:604)
更新2加入到網絡我收到這些錯誤+舊的許可後:
android.os.StrictMode$AndroidBlockGuardPolicy.onNetwork(StrictMode.java:1273)
at libcore.io.BlockGuardOs.connect(BlockGuardOs.java:110)
at libcore.io.IoBridge.connectErrno(IoBridge.java:137)
at libcore.io.IoBridge.connect(IoBridge.java:122)
at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:183)
at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:163)
這是因爲,'127.0.0.1'爲localhost的IP地址。在Java代碼中編輯您的PC的地址。 –
也請在問問題的同時,添加你的堆棧跟蹤。 –
感謝您的回覆,我瞭解這個問題,但我仍然不知道應該在哪個地址更改它... – Yyomi