Thanks for your replay, it is good :)
I edit my codes and the app run correctly
the doPost function in the Servlet ::
I get the username and put it in string and return to user by response
object ::
public void doPost(HttpServletRequest request,
HttpServletResponse response) throws ServletException
,
IOException {
response.setContentType(CONTENT_TYPE);
String username = request.getParameter("username");
String json = "";
json = "{\"result\":[" + "{\"username\":\"" + username + "\"}]}";
response.setContentType("application/json; charset=utf-8");
response.setCharacterEncoding("UTF-8");
response.getWriter().write(new String(json.getBytes("utf-8"),
"utf-8"));
}
and the code of button event in the project ::
I get username from text field (username) and put the response from the
Servlet in label (result) ::
@Override
protected void onMain_ButtonAction(Component c, ActionEvent event) {
ConnectionRequest req = new ConnectionRequest(
"http://127.0.0.1:7101/TestServlet-SerlvletTest-context-root/servlet1";) {
protected void readResponse(InputStream input) throws
IOException {
JSONParser p = new JSONParser();
Map<String, Object> parsedData = p.parseJSON(new
InputStreamReader(input, "UTF-8"));
result = parsedData.toString();
}
protected void postResponse() {
//... change the UI based on the results of readResponse
findResult().setText(result);
}
};
req.setPost(true);
req.setDuplicateSupported(true);
req.addArgument("username", findUsername().getText());
req.setTimeout(50000);
NetworkManager.getInstance().addToQueueAndWait(req);
}
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