android - binary xml error in pagersliding tab script -

my xml file following impotred library github .i want 2 tabs showing events.

 <?xml version="1.0" encoding="utf-8"?>     <relativelayout xmlns:android="http://schemas.android.com/apk/res/android"         android:layout_width="match_parent"         android:layout_height="match_parent"         android:background="#f5f5f5"           >          <com.astuetz.viewpager.extensions.pagerslidingtabstrip             android:id="@+id/tabs"             android:layout_width="match_parent"             android:layout_height="48dip"              />          <android.support.v4.view.viewpager             android:id="@+id/pager"             android:layout_width="match_parent"             android:layout_height="match_parent"             android:layout_below="@id/tabs" >         </android.support.v4.view.viewpager>         </relativelayout> 

my fragmnet this,in java code have set view pager tabs it,s not working please me in this.

    package com.example.mindwareuae;       import com.astuetz.pagerslidingtabstrip;      import android.support.v4.app.fragment;     import android.support.v4.app.fragmentmanager;     import android.os.bundle;     import android.support.v4.app.fragmentpageradapter;     import android.support.v4.view.viewpager;     import android.view.layoutinflater;     import android.view.view;     import android.view.viewgroup;       public class eventfragment extends fragment {          fragmentmanager fm;         private viewpager viewpager;         private eventadapter mfragmentpageadapter;         pagerslidingtabstrip mpagerslidingtabstrip;         view rootview;         @override          public view oncreateview(layoutinflater inflater, viewgroup container, bundle savedinstancestate) {               rootview = inflater.inflate(r.layout.fragment_event, container);              mfragmentpageadapter = new eventadapter(fm);              viewpager = (viewpager) rootview.findviewbyid(r.id.pager);             mpagerslidingtabstrip = (pagerslidingtabstrip)rootview.findviewbyid(r.id.tabs);             viewpager.setadapter(mfragmentpageadapter);             mpagerslidingtabstrip.setviewpager(viewpager);         //mpagerslidingtabstrip.setonpagechangelistener(null);              return rootview;           }               class eventadapter extends fragmentpageradapter             {          public eventadapter(fragmentmanager fm) {             super(fm);          }          @override         public fragment getitem(int arg0) {             // todo auto-generated method stub             switch (arg0) {             case 0:                 return new upcomingeventfragment();             case 1:                 return new pasteventfragment();              default:                 return null;                 }           }          @override         public int getcount() {         return 2;         }         @override         public charsequence getpagetitle(int position) {         switch (position) {             case 0:                 return "upcommingevent";             case 1:                 return "pastevent";              default:                 break;             }              return super.getpagetitle(position);         }              }        } 

and logcat showing following error,whai binary xml error. not able understand whyit's showing error.

    11-27 01:02:11.273: e/androidruntime(1321): fatal exception: main     11-27 01:02:11.273: e/androidruntime(1321): process: com.example.mindwareuae, pid: 1321     11-27 01:02:11.273: e/androidruntime(1321): android.view.inflateexception: binary xml file line #10: error inflating class com.astuetz.viewpager.extensions.pagerslidingtabstrip     11-27 01:02:11.273: e/androidruntime(1321):     @ android.view.layoutinflater.createviewfromtag(layoutinflater.java:707)     11-27 01:02:11.273: e/androidruntime(1321):     @ android.view.layoutinflater.rinflate(layoutinflater.java:755)     11-27 01:02:11.273: e/androidruntime(1321):     @ android.view.layoutinflater.inflate(layoutinflater.java:492)     11-27 01:02:11.273: e/androidruntime(1321):     @ android.view.layoutinflater.inflate(layoutinflater.java:397)     11-27 01:02:11.273: e/androidruntime(1321):     @ android.view.layoutinflater.inflate(layoutinflater.java:353)     11-27 01:02:11.273: e/androidruntime(1321):     @ com.example.mindwareuae.eventfragment.oncreateview(eventfragment.java:27)     11-27 01:02:11.273: e/androidruntime(1321):     @ android.support.v4.app.fragment.performcreateview(fragment.java:1786)     11-27 01:02:11.273: e/androidruntime(1321):     @ android.support.v4.app.fragmentmanagerimpl.movetostate(fragmentmanager.java:947)     11-27 01:02:11.273: e/androidruntime(1321):     @ android.support.v4.app.fragmentmanagerimpl.movetostate(fragmentmanager.java:1126)     11-27 01:02:11.273: e/androidruntime(1321):     @ android.support.v4.app.backstackrecord.run(backstackrecord.java:739)     11-27 01:02:11.273: e/androidruntime(1321):     @ android.support.v4.app.fragmentmanagerimpl.execpendingactions(fragmentmanager.java:1489)     11-27 01:02:11.273: e/androidruntime(1321):     @ android.support.v4.app.fragmentmanagerimpl$1.run(fragmentmanager.java:454)     11-27 01:02:11.273: e/androidruntime(1321):     @ android.os.handler.handlecallback(handler.java:733)     11-27 01:02:11.273: e/androidruntime(1321):     @ android.os.handler.dispatchmessage(handler.java:95)     11-27 01:02:11.273: e/androidruntime(1321):     @ android.os.looper.loop(looper.java:136)     11-27 01:02:11.273: e/androidruntime(1321):     @ android.app.activitythread.main(activitythread.java:5017)     11-27 01:02:11.273: e/androidruntime(1321):     @ java.lang.reflect.method.invokenative(native method)     11-27 01:02:11.273: e/androidruntime(1321):     @ java.lang.reflect.method.invoke(method.java:515)     11-27 01:02:11.273: e/androidruntime(1321):     @ com.android.internal.os.zygoteinit$methodandargscaller.run(zygoteinit.java:779)     11-27 01:02:11.273: e/androidruntime(1321):     @ com.android.internal.os.zygoteinit.main(zygoteinit.java:595)     11-27 01:02:11.273: e/androidruntime(1321):     @ dalvik.system.nativestart.main(native method)     11-27 01:02:11.273: e/androidruntime(1321): caused by: java.lang.classnotfoundexception: didn't find class "com.astuetz.viewpager.extensions.pagerslidingtabstrip" on path: dexpathlist[[zip file "/data/app/com.example.mindwareuae-2.apk"],nativelibrarydirectories=[/data/app-lib/com.example.mindwareuae-2, /system/lib]]     11-27 01:02:11.273: e/androidruntime(1321):     @ dalvik.system.basedexclassloader.findclass(basedexclassloader.java:56)     11-27 01:02:11.273: e/androidruntime(1321):     @ java.lang.classloader.loadclass(classloader.java:497)     11-27 01:02:11.273: e/androidruntime(1321):     @ java.lang.classloader.loadclass(classloader.java:457)     11-27 01:02:11.273: e/androidruntime(1321):     @ android.view.layoutinflater.createview(layoutinflater.java:559)     11-27 01:02:11.273: e/androidruntime(1321):     @ android.view.layoutinflater.createviewfromtag(layoutinflater.java:696)     11-27 01:02:11.273: e/androidruntime(1321):     ... 20 more  pleaese me in struct long time in advance 

the problem here imported different package name in activity , xml. make sure "com.astuetz.viewpager.extensions.pagerslidingtabstrip" correctly imported in activity.

hope friend :)