第七色在线视频,2021少妇久久久久久久久久,亚洲欧洲精品成人久久av18,亚洲国产精品特色大片观看完整版,孙宇晨将参加特朗普的晚宴

為了賬號(hào)安全,請(qǐng)及時(shí)綁定郵箱和手機(jī)立即綁定
已解決430363個(gè)問(wèn)題,去搜搜看,總會(huì)有你想問(wèn)的

recyclerview

recyclerview

慕粉4089507 2017-06-23 20:19:51
public?class?AdapterRecycleView?extends?RecyclerView.Adapter<AdapterRecycleView ????????.BaseViewHoder>?{ ????private?Context?context; ????private?List<ItemMsg>?itemMsgList; ???? ????@Override public?BaseViewHoder?onCreateViewHolder(ViewGroup?parent,?int?viewType)?{ ????View?view=?LayoutInflater.from(parent.getContext()).inflate(R.layout ????????????.item_layout,?parent,?false); ????return?new?BaseViewHoder(view); }from(context)就會(huì)報(bào)錯(cuò),求大神解釋下為啥會(huì)這樣,看別人這樣寫(xiě)沒(méi)事class?BaseViewHoder?extends?RecyclerView.ViewHolder?{ ????private?ImageView?imageView; ????private?TextView?textView; ????public?BaseViewHoder(View?itemView)?{ ????????super(itemView); ????????imageView=(ImageView)itemView.findViewById(R.id.image); ????????textView=(TextView)itemView.findViewById(R.id.text); ????????imageView.setOnClickListener(new?View.OnClickListener()?{ ????????????@Override ????????????public?void?onClick(View?v)?{ ????????????????Intent?intent=new?Intent(v.getContext(),MainActivity.class); ???????????????v.getContext().startActivity(intent); ????????????} ????????}); ????}在后面也是這樣,非要用v.getContext() ? 不能用context
查看完整描述

1 回答

已采納
?
為夢(mèng)想努力_冬

TA貢獻(xiàn)56條經(jīng)驗(yàn) 獲得超14個(gè)贊

private?Context?context;你定義的context沒(méi)有賦初值,是空指針

查看完整回答
1 反對(duì) 回復(fù) 2017-06-26
  • 1 回答
  • 0 關(guān)注
  • 1197 瀏覽

添加回答

舉報(bào)

0/150
提交
取消
微信客服

購(gòu)課補(bǔ)貼
聯(lián)系客服咨詢優(yōu)惠詳情

幫助反饋 APP下載

慕課網(wǎng)APP
您的移動(dòng)學(xué)習(xí)伙伴

公眾號(hào)

掃描二維碼
關(guān)注慕課網(wǎng)微信公眾號(hào)