2个Activity之间传递数据_startActivityForResult()

首先需要用到函数有：

if (requestCode == RG_REQUEST) {     if (resultCode == RESULT_CANCELED)         setTitle("Canceled...");     else if(resultCode == RESULT_OK) {        setTitle((String)data.getCharSequenceExtra("DataKey"));     }  } 

http://download.csdn.net/detail/dannor2010/4898671