把数据库的数据放入一个传感器c1里面，然后再把c1存入list现在我想给airT_tv3的设置文本内容为数据库的第一行数据的airT的值，我要怎么写参数？ public void run() {     list=new ArrayList<ChuanganqiInfo>();     Cursor currsor=db.query("nongye",null,null,null,null,null,null);     if(currsor.moveToFirst()){         do {             c1=new ChuanganqiInfo();             c1.setAirT(currsor.getInt(1));             c1.setAirH(currsor.getInt(2));             c1.setLight(currsor.getInt(3));             c1.setSoilT(currsor.getInt(4));             c1.setSoilH(currsor.getInt(5));             c1.setCo2(currsor.getInt(6));             list.add(c1);         }while (currsor.moveToNext());     }     //ChuanganqiInfo c1=new ChuanganqiInfo();     currsor.close();     airT_tv3.setText(list.get(j).toString());//设置文本在这里     j++;     if (j==currsor.getCount()){         j=0;     }     Toast.makeText(mContext,"刷新",Toast.LENGTH_SHORT).show();     handler.postDelayed(this,5000); }