android - illeglStateException:VideoListFragment must be attached to a SherlockFragmentActivity -
i got exception @ runtime.it shows java.lang.illegalstateexception videolistfragment must attached sherlockfragmentactivity.i didn't know how solve these.
below posted codes.
logcat:
08-18 06:00:39.086: e/androidruntime(3068): fatal exception: main 08-18 06:00:39.086: e/androidruntime(3068): process: com.loco.android, pid: 3068 08-18 06:00:39.086: e/androidruntime(3068): java.lang.illegalstateexception: videolistfragment must attached sherlockfragmentactivity. 08-18 06:00:39.086: e/androidruntime(3068): @ com.actionbarsherlock.app.sherlockfragment.onattach(sherlockfragment.java:25) 08-18 06:00:39.086: e/androidruntime(3068): @ com.sit.loco.frgment.videolistfragment.onattach(videolistfragment.java:178) 08-18 06:00:39.086: e/androidruntime(3068): @ android.support.v4.app.fragmentmanagerimpl.movetostate(fragmentmanager.java:894) 08-18 06:00:39.086: e/androidruntime(3068): @ android.support.v4.app.fragmentmanagerimpl.movetostate(fragmentmanager.java:1115) 08-18 06:00:39.086: e/androidruntime(3068): @ android.support.v4.app.backstackrecord.run(backstackrecord.java:682) 08-18 06:00:39.086: e/androidruntime(3068): @ android.support.v4.app.fragmentmanagerimpl.execpendingactions(fragmentmanager.java:1478) 08-18 06:00:39.086: e/androidruntime(3068): @ android.support.v4.app.fragmentmanagerimpl.executependingtransactions(fragmentmanager.java:478) 08-18 06:00:39.086: e/androidruntime(3068): @ android.support.v4.app.fragmentpageradapter.finishupdate(fragmentpageradapter.java:141) 08-18 06:00:39.086: e/androidruntime(3068): @ android.support.v4.view.viewpager.populate(viewpager.java:1068) 08-18 06:00:39.086: e/androidruntime(3068): @ android.support.v4.view.viewpager.populate(viewpager.java:914) 08-18 06:00:39.086: e/androidruntime(3068): @ android.support.v4.view.viewpager.onmeasure(viewpager.java:1436) 08-18 06:00:39.086: e/androidruntime(3068): @ android.view.view.measure(view.java:16497) 08-18 06:00:39.086: e/androidruntime(3068): @ android.widget.relativelayout.measurechildhorizontal(relativelayout.java:719) 08-18 06:00:39.086: e/androidruntime(3068): @ android.widget.relativelayout.onmeasure(relativelayout.java:455) 08-18 06:00:39.086: e/androidruntime(3068): @ android.view.view.measure(view.java:16497) 08-18 06:00:39.086: e/androidruntime(3068): @ android.view.viewgroup.measurechildwithmargins(viewgroup.java:5125) 08-18 06:00:39.086: e/androidruntime(3068): @ android.widget.framelayout.onmeasure(framelayout.java:310) 08-18 06:00:39.086: e/androidruntime(3068): @ android.view.view.measure(view.java:16497) 08-18 06:00:39.086: e/androidruntime(3068): @ android.view.viewgroup.measurechildwithmargins(viewgroup.java:5125) 08-18 06:00:39.086: e/androidruntime(3068): @ com.android.internal.widget.actionbaroverlaylayout.onmeasure(actionbaroverlaylayout.java:327) 08-18 06:00:39.086: e/androidruntime(3068): @ android.view.view.measure(view.java:16497) 08-18 06:00:39.086: e/androidruntime(3068): @ android.view.viewgroup.measurechildwithmargins(viewgroup.java:5125) 08-18 06:00:39.086: e/androidruntime(3068): @ android.widget.framelayout.onmeasure(framelayout.java:310) 08-18 06:00:39.086: e/androidruntime(3068): @ com.android.internal.policy.impl.phonewindow$decorview.onmeasure(phonewindow.java:2291) 08-18 06:00:39.086: e/androidruntime(3068): @ android.view.view.measure(view.java:16497) 08-18 06:00:39.086: e/androidruntime(3068): @ android.view.viewrootimpl.performmeasure(viewrootimpl.java:1916) 08-18 06:00:39.086: e/androidruntime(3068): @ android.view.viewrootimpl.measurehierarchy(viewrootimpl.java:1113) 08-18 06:00:39.086: e/androidruntime(3068): @ android.view.viewrootimpl.performtraversals(viewrootimpl.java:1295) 08-18 06:00:39.086: e/androidruntime(3068): @ android.view.viewrootimpl.dotraversal(viewrootimpl.java:1000) 08-18 06:00:39.086: e/androidruntime(3068): @ android.view.viewrootimpl$traversalrunnable.run(viewrootimpl.java:5670) 08-18 06:00:39.086: e/androidruntime(3068): @ android.view.choreographer$callbackrecord.run(choreographer.java:761) 08-18 06:00:39.086: e/androidruntime(3068): @ android.view.choreographer.docallbacks(choreographer.java:574) 08-18 06:00:39.086: e/androidruntime(3068): @ android.view.choreographer.doframe(choreographer.java:544) 08-18 06:00:39.086: e/androidruntime(3068): @ android.view.choreographer$framedisplayeventreceiver.run(choreographer.java:747) 08-18 06:00:39.086: e/androidruntime(3068): @ android.os.handler.handlecallback(handler.java:733) 08-18 06:00:39.086: e/androidruntime(3068): @ android.os.handler.dispatchmessage(handler.java:95) 08-18 06:00:39.086: e/androidruntime(3068): @ android.os.looper.loop(looper.java:136) 08-18 06:00:39.086: e/androidruntime(3068): @ android.app.activitythread.main(activitythread.java:5017) 08-18 06:00:39.086: e/androidruntime(3068): @ java.lang.reflect.method.invokenative(native method) 08-18 06:00:39.086: e/androidruntime(3068): @ java.lang.reflect.method.invoke(method.java:515) 08-18 06:00:39.086: e/androidruntime(3068): @ com.android.internal.os.zygoteinit$methodandargscaller.run(zygoteinit.java:779) 08-18 06:00:39.086: e/androidruntime(3068): @ com.android.internal.os.zygoteinit.main(zygoteinit.java:595) 08-18 06:00:39.086: e/androidruntime(3068): @ dalvik.system.nativestart.main(native method) videolistfragment.java:
public class videolistfragment extends sherlockfragment { onvideoselectedlistener mcallback; boolean loadingmore = false; // create string variables string youtube_username = ""; // create object of views listview list; progressbar prgloading; button btnrefresh; button btnloadmore; // create variable position, connection status, resources, , channel username int position; boolean isconnect = true; resources res; string[] channelusername; // create object of custom adapter videolistadapter vla; // create arraylist variables arraylist<hashmap<string, string>> menuitems; progressdialog pdialog; // flag current page int current_page = 1; int previous_page; static final string key_id = "id"; static final string key_title = "title"; static final string key_thumbnail = "thumbnail"; static final string key_duration = "duration"; // create interface listener public interface onvideoselectedlistener{ public void onvideoselected(string id); } @override public view oncreateview(layoutinflater inflater, viewgroup container, bundle savedinstancestate) { // todo auto-generated method stub view v = inflater.inflate(r.layout.fragment_list, container, false); // connect view objects , view id on xml list = (listview) v.findviewbyid(r.id.list); btnrefresh = (button) v.findviewbyid(r.id.btnrefresh); menuitems = new arraylist<hashmap<string, string>>(); // value passed previous page bundle bundle = this.getarguments(); position = bundle.getint("position", 0); // channel username , put selected channel youtube api res = getactivity().getresources(); channelusername = res.getstringarray(r.array.channel_username); youtube_username = channelusername[position]; // create loadmore button btnloadmore = new button(getactivity()); btnloadmore.setbackgroundresource(r.drawable.btn_default_holo_light); btnloadmore.settext(getstring(r.string.load_more)); // adding load more button lisview @ bottom list.addfooterview(btnloadmore); new loadfirstlistview().execute(); // listener handle load more buttton when clicked btnloadmore.setonclicklistener(new view.onclicklistener() { @override public void onclick(view arg0) { // starting new async task isconnect = true; // new loadmorelistview().execute(); } }); // listener handle list when clicked list.setonitemclicklistener(new onitemclicklistener() { @override public void onitemclick(adapterview<?> arg0, view arg1, int position, long arg3) { // todo auto-generated method stub hashmap<string, string> item = new hashmap<string, string>(); item = menuitems.get(position); mcallback.onvideoselected(item.get("id")); list.setitemchecked(position, true); } }); // listener handle refresh button when clicked btnrefresh.setonclicklistener(new onclicklistener() { @override public void onclick(view v) { // todo auto-generated method stub isconnect = true; new loadfirstlistview().execute(); } }); return v; } @override public void onattach(activity activity) { super.onattach(activity); ----> error occurred here // makes sure container activity has implemented // callback interface. if not, throws exception. try { mcallback = (onvideoselectedlistener) activity; } catch (classcastexception e) { throw new classcastexception(activity.tostring() + " must implement onheadlineselectedlistener"); } } } sherlockfrgament.java:
package com.actionbarsherlock.app; import android.app.activity; import android.support.v4.app.fragment; import com.actionbarsherlock.internal.view.menu.menuitemwrapper; import com.actionbarsherlock.internal.view.menu.menuwrapper; import com.actionbarsherlock.view.menu; import com.actionbarsherlock.view.menuinflater; import com.actionbarsherlock.view.menuitem; import static android.support.v4.app.watson.oncreateoptionsmenulistener; import static android.support.v4.app.watson.onoptionsitemselectedlistener; import static android.support.v4.app.watson.onprepareoptionsmenulistener; public class sherlockfragment extends fragment implements oncreateoptionsmenulistener, onprepareoptionsmenulistener, onoptionsitemselectedlistener { private sherlockfragmentactivity mactivity; public sherlockfragmentactivity getsherlockactivity() { return mactivity; } @override public void onattach(activity activity) { if (!(activity instanceof sherlockfragmentactivity)) { throw new illegalstateexception(getclass().getsimplename() + " must attached sherlockfragmentactivity."); -->error occurred here } mactivity = (sherlockfragmentactivity)activity; super.onattach(activity); } @override public void ondetach() { mactivity = null; super.ondetach(); } @override public final void oncreateoptionsmenu(android.view.menu menu, android.view.menuinflater inflater) { oncreateoptionsmenu(new menuwrapper(menu), mactivity.getsupportmenuinflater()); } @override public void oncreateoptionsmenu(menu menu, menuinflater inflater) { //nothing see here. } @override public final void onprepareoptionsmenu(android.view.menu menu) { onprepareoptionsmenu(new menuwrapper(menu)); } @override public void onprepareoptionsmenu(menu menu) { //nothing see here. } @override public final boolean onoptionsitemselected(android.view.menuitem item) { return onoptionsitemselected(new menuitemwrapper(item)); } @override public boolean onoptionsitemselected(menuitem item) { //nothing see here. return false; } } i didn't know how solve illegalstateexception error.anybody can me this.thank you.
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