Android——RecyclerView实现item的增删，i

直接贴代码

packagecom.etcxc.android.ui.adapter;

importandroid.content.Context;

importandroid.support.v7.widget.RecyclerView;

importandroid.view.LayoutInflater;

importandroid.view.View;

importandroid.view.ViewGroup;

importandroid.widget.ImageView;

importandroid.widget.TextView;

importandroid.widget.Toast;

importcom.etcxc.android.R;

importcom.etcxc.android.base.App;

importcom.etcxc.android.bean.OrderRechargeInfo;

importjava.util.ArrayList;

import staticcom.etcxc.android.utils.UIUtils.saveInfoList;

/**

* Created by刘涛on 2017/7/6 0006.

*/

public classMyRechaergeRecylerViewAdapterextendsRecyclerView.AdapterimplementsView.OnClickListener {

privateArrayListlist=null ;

privateContextcon;

privateOnItemRechargeClickListenermOnItemRechargeClickListener=null;

@Override

public voidonClick(View v) {

if(mOnItemRechargeClickListener!=null) {

mOnItemRechargeClickListener.onItemRechargeClick((ImageView) v,(Integer) v.getTag());

}

}

public voidsetmOnItemRechargeClickListener(OnItemRechargeClickListener listener) {

this.mOnItemRechargeClickListener= listener;

}

public interfaceOnItemRechargeClickListener {

voidonItemRechargeClick(ImageView view, intposition);

}

publicMyRechaergeRecylerViewAdapter(Context con,ArrayList list) {

this.con= con;

this.list= list;

}

@Override

publicViewHolderonCreateViewHolder(ViewGroup parent, intviewType) {

View view = LayoutInflater.from(parent.getContext()).inflate(R.layout.item_recharge_form_recylerview,parent, false);

ViewHolder holer =newViewHolder(view);

holer.deletebtn.setOnClickListener(this);

returnholer;

}

@Override

public voidonBindViewHolder(ViewHolder holder, intposition) {

OrderRechargeInfo info =list.get(position);

if(info !=null){

holder.username.setText(info.getRechargename());

holder.carnumber.setText(info.getCarnumber());

holder.etccard.setText(info.getEtccarnumber());

holder.moneynumber.setText(info.getRechargemoney());

holder.deletebtn.setTag(position);

}

}

@Override

public intgetItemCount() {

if(list!=null&&list.size() >0){

returnlist.size();

}

return0;

}

public static classViewHolderextendsRecyclerView.ViewHolder {

publicTextViewusername;

publicTextViewcarnumber;

publicTextViewetccard;

publicTextViewmoneynumber;

publicImageViewdeletebtn;

publicViewHolder(View view) {

super(view);

username= (TextView) view.findViewById(R.id.item_card_name);

carnumber= (TextView) view.findViewById(R.id.item_car_number);

etccard= (TextView) view.findViewById(R.id.item_recharge_card_number);

moneynumber= (TextView) view.findViewById(R.id.item_money_number);

deletebtn= (ImageView) view.findViewById(R.id.item_etc_delete_img);

}

}

public voidaddData(OrderRechargeInfo ord, intpoasation,TextView edt) {

if(poasation ==0) {

list=newArrayList<>();

list.add(0,ord);

saveInfoList(App.get(),list);

edt.setText(list.size()+"");

}else{

list.add(0,ord);

saveInfoList(App.get(),list);

edt.setText(list.size()+"");

}

notifyItemInserted(0);

notifyItemRangeChanged(0,list.size());

}

public voidremoveData(intposition) {

if(list.size() <1&&list.size() !=0) {

list.remove(0);

notifyDataSetChanged();

}else if(list.size() ==0) {

Toast.makeText(con,R.string.nothing_isempty,Toast.LENGTH_SHORT).show();

}else{//更新列表

list.remove(position);

notifyDataSetChanged();

notifyItemRemoved(position);

notifyItemRangeChanged(position,list.size());

}

}

}