[size=small;]使用bundle,在2个<span style="font-family: times new roman;">activity[/size]<span>间传递<span class="t_tag">数据,2个<span style="font-family: times new roman;">activity之间传数据分2种情况：</span></span></span></span>
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[b][size=small;]<span style="font-family: times new roman;"><span class="t_tag">1.直接将数据从一个activity传到下一个activity[/size]</span></span>
[size=small;]<span style="font-family: times new roman;">?????[/size]
firstactivity.java
?//数据写入intent
intent fintent=new intent(firstactivity.this, second.class);
bundle fbundle=new bundle();
?fbundle.putstring("key_name",value);
?fintent.putextras(fbundle);
?startactivity(fintent);
?second.java
//从intent中获取数据
bundle sbundle=this.getintent().getextras();
?string value=sbundle.getstring("key_name")
<pre></pre><span class="t_tag">?
[b][size=small;]<span>?
<pre></pre><span class="t_tag">?
[b][size=small;]<span>?
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[/size][/size]</span></span></span>[/b]</span></span></span>[/b][size=small;]?
[/size]?
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[size=small;]?2.从第2个activity返回数据到第一个activity
//firstactivity,java
?final int request_rq=0;
?intent tonextintent=new intent(firstactivity.this, secondactivity.class);//intent定义
?//设定开启的下一个activity startactivityforresult(tonextintent, request_rq);
<pre></pre>?
[b][size=small;]?
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[/size][/size][/b]<span>[b][size=small;]
<pre></pre>[size=x-small;]// [size=10.5pt;]第一个参数是你开启请求<span style="font-family: courier new;">intent[/size]<span>时的对应请求码，可以自己定义。[/size]</span></span>
[size=x-small;][size=10.5pt;][/size]?[size=10.5pt;]// [/size][size=10.5pt;]第二个参数是目标<span style="font-family: courier new;">activity[/size]<span>返回的验证结果码[/size]</span></span>
[size=x-small;][size=10.5pt;][/size]?[size=10.5pt;]// [/size][size=10.5pt;]第三个参数是目标<span style="font-family: courier new;">activity[/size]<span>返回的[/size]<span style="font-family: courier new;">intent</span></span></span>
<pre></pre>?
@override protected void onactivityresult(int requestcode, int resultcode, intent data) {
?// todo auto-generated method stub
super.onactivityresult(requestcode, resultcode, data);
?if(requestcode==request_rq)
{
?if(resultcode==result_canceled)
{ settitle("cancel"); }
else if(resultcode==result_ok)
{ bundle backbundle=data.getextras();
//从返回的intent中获得bundle
?//从bundle中获得第二个activity返回数据 string value=showbundle.getstring("bk_key_name"); } } }
<pre></pre></span>?
secondactivity.java
final int result_rq=0;
?intent backintent=new intent();
bundle backbundle=new bundle();
?backbundle.putstring("bk_key_name", value);
?backintent.putextras(backbundle);
?setresult(result_rq, backintent);
//返回activity结果码
finish();
<pre></pre>?偶了个去，这个编辑器差的很、
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<strong>[size=large;]<span><span class="t_tag">?? [/size]</span></span>[/b]
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