Code
Package Com. Demo;
Import Android. App. activity;
Import Android. OS. Bundle;
Import Android. widget. checkbox;
Import Android. widget. compoundbutton;
Public Class Mainmenu Extends Activity Implements Compoundbutton. oncheckedchangelistener {
Checkbox CB;
@ Override
Protected Void Oncreate (bundle savedinstancestate ){
Super . Oncreate (savedinstancestate );
Setcontentview (R. layout. Main );
CB = (Checkbox) findviewbyid (R. Id. Check );
CB. setoncheckedchangelistener ( This );
}
Public Void Oncheckedchanged (compoundbutton buttonview, Boolean Ischecked ){
If (Ischecked ){
CB. settext ( " This checkbox is: checked " );
}
Else {
CB. settext ( " This checkbox is: unchecked " );
}
}
}
Code
<? XML version = "1.0" encoding = "UTF-8" ?>
checkbox xmlns: android = "http://schemas.android.com/apk/res/android"
Android: ID =" @ + ID/check "
Android: layout_width =" wrap_content "
Android: layout_height =" wrap_content "
Android: Text =" this checkbox is: unchecked " />