Use of the android spinner Control

1. UI file: spinner. 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 = "vertical"> <textview Android: id = "@ + ID/textview1" Android: layout_width = "fill_parent" Android: layout_height = "wrap_content" Android: text = "textview"/> <spinner Android: id = "@ + ID/spinner1" Android: layout_width = "fill_parent" Android: layout_height = "wrap_content" Android: drawselectid Top = "true" Android: prompt = "@ string/city_message"/> </linearlayout>
 

 

2. spinneraciti.pdf. Java File

Public class spinneractivity extends activity {private spinner; Private Static final string [] city = {"Spinner Item1", "Spinner item2", "Spinner item3", "Spinner item4 "}; @ override protected void oncreate (bundle savedinstancestate) {super. oncreate (savedinstancestate); setcontentview (R. layout. spinner); spinner = (spinner) findviewbyid (R. id. spinner1); arrayadapter <string> adapter = new arrayada Pter <string> (this, android. r. layout. simple_spinner_item, city); spinner. setadapter (adapter); spinner. setonitemselectedlistener (New adapterview. onitemselectedlistener () {public void onitemselected (adapterview <?> Arg0, view arg1, int arg2, long arg3) {toast. maketext (spinneractivity. this, City [arg2], toast. length_short ). show ();} public void onnothingselected (adapterview <?> Arg0 ){}});}}
 

3 .. Use a simulator.