小编rij*_*aju的帖子

我希望在登录成功后开始一项新活动.这是当登录正确时,一个新的活动应该自动启动...我不知道在哪里提到startactivity.请帮我这个,我是android的新手.这是我的代码......

    public class BackgroundTask extends AsyncTask<String,Void,String> {
    AlertDialog alertDialog;
    Context ctx;
    BackgroundTask(Context ctx)
    {
        this.ctx =ctx;
    }
    @Override
    protected void onPreExecute() {
        alertDialog = new AlertDialog.Builder(ctx).create();
        alertDialog.setTitle("Login Information....");
    }

    @Override
    protected String doInBackground(String... params) {
        String reg_url = "";
        String login_url = "";
        String method = params[0];
        if (method.equals("register")) {
            String name = params[1];
            String user_name = params[2];
            String user_pass = params[3];
            try {
                URL url = new URL(reg_url);
                HttpURLConnection httpURLConnection = (HttpURLConnection) url.openConnection();
                httpURLConnection.setRequestMethod("POST");
                httpURLConnection.setDoOutput(true);

                //httpURLConnection.setDoInput(true);
                OutputStream OS = …