Android intent and activity经典程序

 #massage_box {  
    position: absolute;  
    left: expression((body.clientwidth-350)/ 2 );  
    top: expression((body.clientheight-200)/ 2 );  
    width: 350px;  
    height: 200px;  
   
    z-index: 2;  
    visibility: hidden  
}  
 
#mask {  
    position: absolute;  
    top: 0;  
    left: 0;  
    width: expression(body.scrollwidth);  
    height: expression(body.scrollheight);  
    background: #d3ddea;  
    filter: alpha(opacity =50);  
    z-index: 1;  
    visibility: hidden  
} 
Java代码 
//数据写入intentintent openwelcomeactivityintent=new intent();bundle mybundelforname=new bundle();mybundelforname.putstring("key_name",inname.gettext().tostring());mybundelforname.putstring("key_age",inage.gettext().tostring());openwelcomeactivityintent.putextras(mybundelforname);openwelcomeactivityintent.setclass(androidbundel.this, welcome.class);startactivity(openwelcomeactivityintent);//从intent 中获取数据bundle mybundelforgetname=this.getintent().getextras();string name=mybundelforgetname.getstring("key_name"); 

Java代码 
package zyf.android.study;import ……import android.content.intent;import android.net.uri;import android.view.view.onclicklistener;public class androidstudy_two extends activity {@overridepublic void oncreate(bundle savedinstancestate) {super.oncreate(savedinstancestate);setcontentview(r.layout.main);final edittext inname = (edittext) findviewbyid(r.id.name);final textview result = (textview) findviewbyid(r.id.result);button button_start_browser = (button) findviewbyid(r.id.submit_tonet);button button_login=(button) findviewbyid(r.id.show_login);button button_showloginname=(button)findviewbyid(r.id.submit_toshowloingname);button_start_browser.setonclicklistener(new onclicklistener(){@overridepublic void onclick(view v) {uri myuri = uri.parse("http://www.flashwing.net");intent openbrowserintent = new intent(intent.action_view,myuri);startactivity(openbrowserintent);}});button_login.setonclicklistener(new onclicklistener(){@overridepublic void onclick(view v) {intent openwelcomeactivityintent=new intent();openwelcomeactivityintent.setclass(androidstudy_two.this,welcome.class);startactivity(openwelcomeactivityintent);}});button_showloginname.setonclicklistener(new onclicklistener(){@overridepublic void onclick(view v) {result.settext(inname.gettext()+"欢迎您进入");}});}}