android - Navigation Drawer with expandable list inside doesn't work -
after several researching , resembling of codes, expandable list inside navigation drawer doesnt work. there of guys have tried doing this.i appreciate if can me this. im striving 3 days.please me.
am miss on code?
heres code:
mainactivity
public class mainactivity extends activity { expandablelistadapter listadapter; expandablelistview explistview; public drawerlayout drawer; private linearlayout linear; button btn; hashmap<string, list<string>> listdatachild; list<string> listdataheader; @override protected void oncreate(bundle savedinstancestate) { super.oncreate(savedinstancestate); setcontentview(r.layout.activity_main); btn = (button)findviewbyid(r.id.button1); linear = (linearlayout)findviewbyid(r.id.linear); explistview = (expandablelistview) findviewbyid(r.id.lvexp); drawer = (drawerlayout)findviewbyid(r.id.drawer_layout); preparelistdata(); btn.setonclicklistener(new view.onclicklistener() { @override public void onclick(view arg0) { // todo auto-generated method stub if(!drawer.isdraweropen(explistview)) { drawer.opendrawer(explistview); } else { drawer.closedrawer(explistview); } } }); // listview // preparing list data listadapter = new expandablelistadapter(this, listdataheader, listdatachild); // setting list adapter explistview.setadapter(listadapter); // listview group click listener explistview.setongroupclicklistener(new ongroupclicklistener() { @override public boolean ongroupclick(expandablelistview parent, view v, int groupposition, long id) { // toast.maketext(getapplicationcontext(), // "group clicked " + listdataheader.get(groupposition), // toast.length_short).show(); return false; } }); // listview group expanded listener explistview.setongroupexpandlistener(new ongroupexpandlistener() { @override public void ongroupexpand(int groupposition) { toast.maketext(getapplicationcontext(), listdataheader.get(groupposition) + " expanded", toast.length_short).show(); } }); // listview group collasped listener explistview.setongroupcollapselistener(new ongroupcollapselistener() { @override public void ongroupcollapse(int groupposition) { toast.maketext(getapplicationcontext(), listdataheader.get(groupposition) + " collapsed", toast.length_short).show(); } }); // listview on child click listener explistview.setonchildclicklistener(new onchildclicklistener() { @override public boolean onchildclick(expandablelistview parent, view v, int groupposition, int childposition, long id) { // todo auto-generated method stub toast.maketext( getapplicationcontext(), listdataheader.get(groupposition) + " : " + listdatachild.get( listdataheader.get(groupposition)).get( childposition), toast.length_short) .show(); return false; } }); } /* * preparing list data */ private void preparelistdata() { listdataheader = new arraylist<string>(); listdatachild = new hashmap<string, list<string>>(); // adding child data listdataheader.add("top 250"); listdataheader.add("now showing"); listdataheader.add("coming soon.."); // adding child data list<string> top250 = new arraylist<string>(); top250.add("the shawshank redemption"); top250.add("the godfather"); top250.add("the godfather: part ii"); top250.add("pulp fiction"); top250.add("the good, bad , ugly"); top250.add("the dark knight"); top250.add("12 angry men"); list<string> nowshowing = new arraylist<string>(); nowshowing.add("the conjuring"); nowshowing.add("despicable me 2"); nowshowing.add("turbo"); nowshowing.add("grown ups 2"); nowshowing.add("red 2"); nowshowing.add("the wolverine"); list<string> comingsoon = new arraylist<string>(); comingsoon.add("2 guns"); comingsoon.add("the smurfs 2"); comingsoon.add("the spectacular now"); comingsoon.add("the canyons"); comingsoon.add("europa report"); listdatachild.put(listdataheader.get(0), top250); // header, child data listdatachild.put(listdataheader.get(1), nowshowing); listdatachild.put(listdataheader.get(2), comingsoon); } } heres activity_main layout
<?xml version="1.0" encoding="utf-8"?> <linearlayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="fill_parent" android:layout_height="fill_parent" android:orientation="vertical" android:background="#f4f4f4" > <linearlayout android:id="@+id/linear" android:layout_width="match_parent" android:layout_height="50dp" android:background="#000000" android:orientation="vertical" > <linearlayout android:layout_width="wrap_content" android:layout_height="match_parent" > <button android:id="@+id/button1" android:layout_width="47dp" android:layout_height="45dp" android:background="@drawable/arrow_right" /> </linearlayout> <linearlayout android:layout_width="match_parent" android:layout_height="match_parent" android:gravity="center_vertical" > <textview android:id="@+id/textview1" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="drawer" android:textappearance="?android:attr/textappearancelarge" /> </linearlayout> <android.support.v4.widget.drawerlayout android:id="@+id/drawer_layout" android:layout_width="match_parent" android:layout_height="match_parent"> <!-- main content view --> <framelayout android:id="@+id/content_frame" android:layout_width="match_parent" android:layout_height="match_parent" /> <!-- navigation drawer --> <expandablelistview android:id="@+id/lvexp" android:layout_width="match_parent" android:layout_height="match_parent" android:layout_gravity="start" android:cachecolorhint="#00000000" > </expandablelistview> </android.support.v4.widget.drawerlayout> </linearlayout> </linearlayout> my baseadapter:
public class expandablelistadapter extends baseexpandablelistadapter { private context _context; private list<string> _listdataheader; // header titles // child data in format of header title, child title private hashmap<string, list<string>> _listdatachild; //private layoutinflater vi; public expandablelistadapter(context context, list<string> listdataheader, hashmap<string, list<string>> listchilddata) { this._context = context; this._listdataheader = listdataheader; this._listdatachild = listchilddata; //vi = (layoutinflater)context.getsystemservice(context.layout_inflater_service); } @override public object getchild(int groupposition, int childposititon) { return this._listdatachild.get(this._listdataheader.get(groupposition)) .get(childposititon); } @override public long getchildid(int groupposition, int childposition) { return childposition; } @override public view getchildview(int groupposition, final int childposition, boolean islastchild, view convertview, viewgroup parent) { final string childtext = (string) getchild(groupposition, childposition); if (convertview == null) { layoutinflater infalinflater = (layoutinflater) this._context .getsystemservice(context.layout_inflater_service); convertview = infalinflater.inflate(r.layout.list_item, null); } textview txtlistchild = (textview) convertview .findviewbyid(r.id.lbllistitem); txtlistchild.settext(childtext); return convertview; } @override public int getchildrencount(int groupposition) { return this._listdatachild.get(this._listdataheader.get(groupposition)) .size(); } @override public object getgroup(int groupposition) { return this._listdataheader.get(groupposition); } @override public int getgroupcount() { return this._listdataheader.size(); } @override public long getgroupid(int groupposition) { return groupposition; } @override public view getgroupview(int groupposition, boolean isexpanded, view convertview, viewgroup parent) { string headertitle = (string) getgroup(groupposition); if (convertview == null) { layoutinflater infalinflater = (layoutinflater) this._context .getsystemservice(context.layout_inflater_service); convertview = infalinflater.inflate(r.layout.list_group, null); } textview lbllistheader = (textview) convertview .findviewbyid(r.id.lbllistheader); lbllistheader.settypeface(null, typeface.bold); lbllistheader.settext(headertitle); return convertview; } @override public boolean hasstableids() { return false; } @override public boolean ischildselectable(int groupposition, int childposition) { return true; } }
i think need add xml this
<?xml version="1.0" encoding="utf-8"?> <android.support.v4.widget.drawerlayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="fill_parent" android:layout_height="fill_parent" android:orientation="vertical" android:background="#f4f4f4" > <linearlayout android:id="@+id/linear" android:layout_width="match_parent" android:layout_height="50dp" android:background="#000000" android:orientation="vertical" > <linearlayout android:layout_width="wrap_content" android:layout_height="match_parent" > <button android:id="@+id/button1" android:layout_width="47dp" android:layout_height="45dp" android:background="@drawable/arrow_right" /> </linearlayout> <linearlayout android:layout_width="match_parent" android:layout_height="match_parent" android:gravity="center_vertical" > <textview android:id="@+id/textview1" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="drawer" android:textappearance="?android:attr/textappearancelarge" /> </linearlayout> </linearlayout> <expandablelistview android:id="@+id/lvexp" android:layout_width="match_parent" android:layout_height="match_parent" android:layout_gravity="left" android:cachecolorhint="#00000000" > </expandablelistview> </android.support.v4.widget.drawerlayout>
Comments
Post a Comment