Android Self-Write adapter

Code:

Package Com.example.ouradapter;import Android.app.listactivity;import android.content.context;import Android.graphics.color;import Android.os.bundle;import Android.view.layoutinflater;import Android.view.View; Import Android.view.viewgroup;import Android.widget.adapterview;import Android.widget.adapterview.onitemclicklistener;import Android.widget.baseadapter;import Android.widget.ImageView ; Import Android.widget.linearlayout;import Android.widget.listview;import Android.widget.relativelayout;import Android.widget.tablelayout.layoutparams;import Android.widget.textview;import android.widget.Toast; Public classMainactivity extends Listactivity {PrivateString[] Mlisttitle = {"name","Sex","Age","Place of residence","Email"}; PrivateString[] Mliststr = {"Rain Pine Momo","male"," -","Beijing",          "[email protected]" }; ImageView iamge=NULL; TextView title=NULL; TextView text=NULL; ListView Mlistview=NULL; //relativelayout rl= (relativelayout) This.findviewbyid (R.ID.RL);Mylistadapter Myadapter =NULL; @Overrideprotected voidonCreate (Bundle savedinstancestate) {Mlistview=Getlistview (); Myadapter=NewMylistadapter ( This);      Setlistadapter (Myadapter); Mlistview.setonitemclicklistener (NewOnitemclicklistener () {@Override Public voidOnitemclick (adapterview<?> adapterview, view view,intposition,Longid) {View v=Adapterview.getchildat (position);          V.setbackgroundcolor (color.red); Toast.maketext (mainactivity. This,"you have selected"+Mliststr[position], Toast.length_long). Show ();     }      }); //View V=layoutinflater.from (this). Inflate (r.layout.activity_main, null);//iamge = (ImageView) V.findviewbyid (r.id.color_image); //title = (TextView) V.findviewbyid (r.id.color_title); //text= (TextView) V.findviewbyid (r.id.color_text);//Title.settext (mlisttitle[1]); //text.settext ("123456789"); //Iamge.setimageresource (r.drawable.ic_launcher);//This.addcontentview (v,new linearlayout.layoutparams (//LinearLayout.LayoutParams.WRAP_CONTENT,//LinearLayout.LayoutParams.WRAP_CONTENT));super.oncreate (savedinstancestate); }          Public classMylistadapter extends Baseadapter {PrivateContext Mcontext; Private int[] Colors =New int[] {color.blue, color.green,color.yellow,color.white};  PublicMylistadapter (Context context) {Mcontext=context; }                  Public intGetCount () {returnmliststr.length; }         //@Override//Public Boolean areallitemsenabled () {//return false; //        }  @Override PublicObject GetItem (intposition) {              returnposition; } @Override Public LongGetitemid (intposition) {              returnposition; } @Override PublicView GetView (intposition, View Convertview, ViewGroup parent) {                           if(Convertview = =NULL) {Convertview= Layoutinflater. from(Mcontext). Inflate (R.layout.activity_main,NULL); Iamge=(ImageView) Convertview.findviewbyid (r.id.color_image); Title=(TextView) Convertview.findviewbyid (r.id.color_title); Text=(TextView) Convertview.findviewbyid (R.id.color_text); }              intColorpos = position%colors.length;              Convertview.setbackgroundcolor (Colors[colorpos]);              Title.settext (Mlisttitle[position]);               Text.settext (Mliststr[position]);              Iamge.setimageresource (R.drawable.ic_launcher); returnConvertview; }        }  }  

The ListView first calls the Getcout () method at the start of the drawing, and then instantiates its own defined baseadapter through the GetView () method layer by drawing the ListView, so we can be in here based on the position (the currently drawn ID) to arbitrarily modify the content being drawn. Results:

Android Self-Write adapter