0
我有这个线程。早些时候,我正在测试没有线程的代码,它工作正常。值被提取和处理。只要我把它放在线程中,Handler的handleMessage方法就不会被调用。有人可以帮忙吗?线程中的处理程序的行为是否不同?
public class ServiceQuery implements Runnable
{
public void run()
{
Looper.myLooper().prepare();
while(true)
{
Log.d("D","Starting");
fetch();
try
{
Thread.sleep(5000);
}
catch (InterruptedException e)
{
e.printStackTrace();
}
}
}
private synchronized void fetch()
{
Log.d("D","In fetch()");
List<NameValuePair> nameValuePairs = new ArrayList<NameValuePair>(2);
nameValuePairs.add(new BasicNameValuePair("sessionid", Server.getInstance().getSessionID()));
nameValuePairs.add(new BasicNameValuePair("session", App.getInstance().getSelectedDoodle().getId()));
nameValuePairs.add(new BasicNameValuePair("passcode", App.getInstance().getSelectedDoodle().getPassword()));
nameValuePairs.add(new BasicNameValuePair("last-message-id", App.getInstance().lastDrawingID));
Handler handler = new Handler()
{
public void handleMessage(Message message)
{
Log.d("D","got response");
switch(message.what)
{
case HttpConnection.DID_SUCCEED:
Log.d("D","success" + message.obj.toString());
}
}
}
Server.getInstance().SendHTTPRequest("get-messages", nameValuePairs, handler);
Log.d("D","HTTP away");
}
}
谢谢....我想知道它,但我期待一个异常(空指针或什么)。 – kishu27 2012-03-31 08:18:25