Use of Android learning--listview (iv)

Implementation of the ListView based on Baseadapter

Note the following four methods need to be rewritten to extend Baseadapter

GetCount ();

GetItem ();

Getitemid ();

GetView ();

List of programs

Package xiaocool.net.listviewtest;import android.graphics.color;import android.os.bundle;import  android.support.v7.app.ActionBarActivity;import android.view.View;import  Android.view.viewgroup;import android.widget.baseadapter;import android.widget.imageview;import  android.widget.LinearLayout;import android.widget.ListView;import android.widget.TextView; public class mainactivity extends actionbaractivity {   private  listview list;     @Override     protected void oncreate ( Bundle savedinstancestate)  {        super.oncreate ( Savedinstancestate);         setcontentview (R.LAYOUT.LISTVIEW2);         list= (ListView) This.findviewbyid (r.id.list1);         /*//defines an array         string arr[]={"School Cool Network 1", "School Cool Network 2", "School Cool Network 3", "School Cool Network 4", "School Cool network 5"};         //wrapping an array into a arrayadapter        arrayadapter <String> adapter=new ArrayAdapter<String> (This,r.layout.array_item,r.id.textview,arr);         list.setadapter (Adapter);*/         baseadapter adapter=new baseadapter ()  {             //returns the total number of list items               @Override             public int  getcount ()  {                 return 20;            }              @Override              public object getitem (int position)  {                 return null;             }          //returns the ID of a list item              @Override              public long getitemid (int position)  {                 return 0;             }            //returns the appearance of each specific item               @Override              public view getview (int position,  View convertview, viewgroup parent)  {                //Create a LinearLayout and add two controls to it                  linearlayout layout=new linearlayout ( Mainactivity.this);                 layout.setorientation (0);                 imageview imageview=new imageview (mainactivity.this);                 imageview.setimageresource ( R.drawable.syudio);                 textview textview=new texTView (mainactivity.this);                 textview.settext ("position+1" + "item");                 textview.settextcolor (Color.Blue);                 textview.settextsize (;   )              layout.addview (ImageView);                 layout.addview ( TextView);                 return layout;            }         };        list.setadapter (adapter);     }}

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Use of Android learning--listview (iv)