Day 10 of Android-simple implementation of listview

Main. xml

<? 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">

<Listview
Android: Id = "@ ID/Android: List"
Android: layout_width = "fill_parent"
Android: layout_height = "wrap_content"
Android: Orientation = "vertical"

/>


</Linearlayout>

User. xml

<? XML version = "1.0" encoding = "UTF-8"?>
<Linearlayout xmlns: Android = "http://schemas.android.com/apk/res/android"
Android: layout_width = "match_parent"
Android: layout_height = "match_parent"
Android: Orientation = "horizontal">

<Textview
Android: Id = "@ + ID/user_name"
Android: layout_width = "wrap_content"
Android: layout_height = "wrap_content"
Android: textsize = "10pt"
/>

<Textview
Android: Id = "@ + ID/user_ip"
Android: layout_width = "wrap_content"
Android: layout_height = "wrap_content"

Android: textsize = "10pt"
Android: singleline = "true"
/>

</Linearlayout>

Listview_testactivity.java

 

Package CN. class3g. activity;

Import java. util. arraylist;
Import java. util. hashmap;

Import Android. App. listactivity;
Import Android. OS. Bundle;
Import Android. View. view;
Import Android. widget. listview;
Import Android. widget. simpleadapter;
Import Android. widget. Toast;

Public class listview_testactivity extends listactivity {

Public void oncreate (bundle savedinstancestate ){
Super. oncreate (savedinstancestate );
Setcontentview (R. layout. Main );
Arraylist
Hashmap <string, string> map1 = new hashmap <string, string> ();
Hashmap <string, string> MAP2 = new hashmap <string, string> ();
Hashmap <string, string> map3 = new hashmap <string, string> ();

Map1.put ("user_name", "Zhang San ");
Map1.put ("user_ip", "192.168.65.22 ");


Map2.put ("user_name", "Li Si ");
Map2.put ("user_ip", "192.168.65.32 ");


Map3.put ("user_name", "Wang Wu ");
Map3.put ("user_ip", "192.168.65.42 ");

List. Add (map1 );
List. Add (MAP2 );
List. Add (map3 );



Simpleadapter adapter = new simpleadapter (this, list, R. layout. user,
New String [] {"user_name", "user_ip"}, new int [] {R. Id. user_name, R. Id. user_ip });


Setlistadapter (adapter );
}

Protected void onlistitemclick (listview L, view V, int position, long ID ){
 
Super. onlistitemclick (L, V, position, ID );

Toast. maketext (this, String. valueof (position), Toast. length_short). Show ();
}






}