Problem: Implementing an abstract method of inheritance

This morning in the learning process, in the implementation of the abstract method of inheritance, obviously has been achieved, but still will error.

The code is as follows:

Package Com.example.listview;import Java.util.arraylist;import Java.util.list;import android.app.activity;import Android.os.bundle;import Android.util.log;import Android.view.menu;import Android.view.menuitem;import Android.view.view;import Android.widget.adapter;import Android.widget.adapterview;import Android.widget.adapterview.onitemclicklistener;import Android.widget.arrayadapter;import Android.widget.ListView Import Android.widget.toast;public class Mainactivity extends Activity {private list<picture> picturelist = new Ar Raylist<picture> (); @Overrideprotected void OnCreate (Bundle savedinstancestate) {super.oncreate ( Savedinstancestate); Setcontentview (R.layout.activity_main); Initpicture (); Pictureadapter adapter = new Pictureadapter (Mainactivity.this, R.layout.picture_item, picturelist); ListView ListView = (ListView) Findviewbyid (R.id.list_view); Listview.setadapter (adapter); Listview.setonitemclicklistener (New Onitemclicklistener () {@Overridepublic void Onitemclick (AdaptervIew<?> Parent, view view, int Position,long ID) {//TODO auto-generated method stubpicture picture = Picturelist.get (position); LOG.D ("Mainactivity", "You clicked:" +picture.getname ()); Toast.maketext (Mainactivity.this, "You clicked:" +picture.getname (), Toast.length_short). Show ();}}); private void Initpicture () {//TODO auto-generated method Stubpicture android = new picture ("Android", R.drawable.android) ;p Icturelist.add (Android); Picture Apple = new Picture ("Apple", R.drawable.apple);p Icturelist.add (Apple); Picture safemgr = new Picture ("Safemgr", R.drawable.guanjia);p Icturelist.add (safemgr); Picture Linux = new picture ("Linux", R.drawable.linux);p Icturelist.add (Linux); Picture VCR = new picture ("VCR", R.drawable.shexingji);p icturelist.add (VCR); Picture set = new Picture ("Set", R.drawable.shezhi);p Icturelist.add (set); Picture windows = new picture ("Windows", R.drawable.windows);p icturelist.add (Windows); Picture music = new Picture ("Music", R.drawable.yinyue);p Icturelist.add (music); Picture game = new Picture ("Game", R.drawable.youxi);p Icturelist.add (game); Picture camera = new picture ("Camera", R.drawable.zhaoxiangji);p icturelist.add (camera);}}

Error:

Abstract method Implementation:

　　Error message:

　　

　　Really can not find errors, and then to the QQ group to ask, just know that the implementation of the abstract method needs to be added automatically, cannot copy or hand-hit. When I delete the code of my own hand, I do not report an error when I use the auto-add implementation. Asked why, no one answered me. Is this question too retarded?

Solving. Thank you

　　

Problem: Implementing an abstract method of inheritance