1
im envoyer un message à thread principal de l'interface utilisateur par thread de travail mais il donne ces erreursim envoi msg Retour à thread d'interface utilisateur, mais pas
05-04 11:59:00.889: E/AndroidRuntime(1156): FATAL EXCEPTION: main
05-04 11:59:00.889: E/AndroidRuntime(1156): Process: com.example.threadproject, PID: 1156
05-04 11:59:00.889: E/AndroidRuntime(1156): java.lang.NullPointerException
05-04 11:59:00.889: E/AndroidRuntime(1156): at com.example.threadproject.MyThread.PostMsg(MyThread.java:113)
05-04 11:59:00.889: E/AndroidRuntime(1156): at com.example.threadproject.MyThread.dials(MyThread.java:64)
05-04 11:59:00.889: E/AndroidRuntime(1156): at com.example.threadproject.MainThread.Function(MainThread.java:39)
05-04 11:59:00.889: E/AndroidRuntime(1156): at com.example.threadproject.MainThread.access$0(MainThread.java:35)
05-04 11:59:00.889: E/AndroidRuntime(1156): at com.example.threadproject.MainThread$1.onClick(MainThread.java:28)
05-04 11:59:00.889: E/AndroidRuntime(1156): at android.view.View.performClick(View.java:4438)
05-04 11:59:00.889: E/AndroidRuntime(1156): at android.view.View$PerformClick.run(View.java:18422)
le code est
public class MyThread extends Thread
{
Handler mHandler ;
Handler mHandlerMain = new Handler(Looper.getMainLooper());
public void run()
{
Looper.prepare();
PostMainThreadMsg();
mHandler = new Handler()
{
public void handleMessage(Message msg)
{
Log.i("Message", "" + msg);
//PostMainThreadMsg();
}
};
Looper.loop();
}
///////////////////////////////////////////////////////////////////////////////////////////////////////
public class Dial implements Runnable
{
int m_nLine;
public int m_bResult;
public void run()
{
Log.v("dial","class run");
m_nLine++;
RunnableNotify(this);
}
}
public int dials(int nLine)
{
startThread();
Dial m_objDial = new Dial();
m_objDial.m_nLine = nLine;
PostMsg(m_objDial);
return m_objDial.m_bResult ;
}
public void PostMainThreadMsg()
{
// mHandlerMain .post(new Runnable() {
//
// @Override
// public void run() {
// // TODO Auto-generated method stub
// Message msg = Message.obtain();
// msg.arg1 = 5;
// mHandlerMain.sendMessage(msg);
//
// }
// }); super.start();
Runnable n_obj = new Runnable() {
@Override
public void run() {
// TODO Auto-generated method stub
Message msg = Message.obtain();
msg.arg1 = 20;
mHandlerMain.sendMessage(msg);
}
};
PostMssg(n_obj);
}
//////////////////////////////////////////////////////////////////////////////////////////////////////
public void PostMssg(Runnable runnable)
{
mHandlerMain.post(runnable);
}
public void PostMsg(Runnable runnable)
{
mHandler.post(runnable);
RunnableWait(runnable);
}
public void startThread()
{
super.start();
}
qui est la ligne 113 dans MyThread? – user2450263