android - Would Start a new activity after the progessbar reached 100% -

i facing problem can't start new activity after progress bar reached 100% .this code error @ startactivity. main.java package com.example.hprogressbarexmaple;

import android.app.activity; import android.os.bundle; import android.os.handler; import android.os.message; import android.util.log; import android.widget.progressbar;   public class hprogressbarexmaple extends activity { protected static final int max_progress = 100; protected static final long sleep_time = 200; /** called when activity first created. */ progressbar myprogressbar; int myprogress = 0;  @override public void oncreate(bundle savedinstancestate) {     super.oncreate(savedinstancestate);     setcontentview(r.layout.activity_main);     myprogressbar = (progressbar) findviewbyid(r.id.myprogress);     new thread(mythread).start(); }  private runnable mythread = new runnable() {     @override     public void run() {         // don't hard code things, use constant max progress value         while (myprogress < max_progress) {             try {                 myhandle.sendmessage(myhandle.obtainmessage());                 // same                 thread.sleep(sleep_time);             } catch (exception ex) {                 // never live empty catch statement, missing                 // exceptions ,                 // can't correct them                 log.e("mycurrentclass",                         "error during async data processing", ex);             }// catch         }// while             // start new activity here         startactivity(hprogressbarexmaple.this, list.class);     }// met      handler myhandle = new handler() {          @override         public void handlemessage(message msg) {             // todo auto-generated method stub             myprogress++;             myprogressbar.setprogress(myprogress);         }     }; }; } 

i searched alot can't solution. please me , correct me if going wrong .

try way:

intent intent = new intent(hprogressbarexmaple.this,list.class); hprogressbarexmaple.this.startactivity(intent); 

and not forget add list activity in manifest.xml