以下是我用于在新线程中向服务器发送HTTP请求的活动代码。但是,有一个语法错误,我无法弄清楚。

以下是我得到的错误

 Multiple markers at this line
    - Syntax error, insert ")" to complete       ClassInstanceCreationExpression
    - Syntax error, insert ";" to complete BlockStatements


我是Java新手。请帮忙。

public class RegisterActivity extends Activity {

    private static final String TAG = "RegisterActivity";

    /*
     * Event listener for registration button. This will load the loading view and fire up the HTTP request to the server
     */
    public OnClickListener registrationBtnListener = new OnClickListener() {
        public void onClick(View v) {

            Thread trd = new Thread(new Runnable(){
                @Override
                public void run(){

                    String urlParameters = "";

                    try {
                        urlParameters = "fName=" + URLEncoder.encode("John", "UTF-8") +
                        "&lName=" + URLEncoder.encode("Smith", "UTF-8");
                    } catch (UnsupportedEncodingException e) {
                        // TODO Auto-generated catch block
                        e.printStackTrace();
                    }

                    Http.post("http://192.168.1.101/project/test.php", urlParameters);
                }
            }
            trd.run();
        }
    };


编辑:

通过添加)进行固定;在trd.run()之前。但是现在,我得到了另一个错误:

Multiple markers at this line
    - The method run() of type new Runnable(){} must override a superclass
     method
    - implements java.lang.Runnable.run


以下是代码:

Thread trd = new Thread(new Runnable(){
                @Override
                public void run(){

                    String urlParameters = "";

                    try {
                        urlParameters = "fName=" + URLEncoder.encode("yash", "UTF-8") +
                        "&lName=" + URLEncoder.encode("desai", "UTF-8");
                    } catch (UnsupportedEncodingException e) {
                        // TODO Auto-generated catch block
                        e.printStackTrace();
                    }

                    Http.post("http://192.168.1.101/bworld/test.php", urlParameters);
                }
            });


错误在此行上:

public void run(){

最佳答案

重新出现第二个错误。我认为问题是@Override注释。如果使用Java 1.5作为源级别进行编译,则该注释意味着您需要重写超类中的方法。但是,您(只是)在接口中实现方法。

删除注释,或将源级别更改为Java 1.6或更高版本。

关于java - 在线程内执行HTTP请求-错误,我们在Stack Overflow上找到一个类似的问题:https://stackoverflow.com/questions/10369021/

10-12 00:28
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