package cn.flightfeather.thirdapp.adapter;
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import android.content.Context;
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import android.util.SparseArray;
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import android.view.LayoutInflater;
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import android.view.View;
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import android.view.ViewGroup;
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import android.widget.BaseAdapter;
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import android.widget.CheckBox;
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import android.widget.ImageView;
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import android.widget.TextView;
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import java.util.ArrayList;
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/**
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* Created by hyhb01 on 2018/1/25.
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*/
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public abstract class AllListViewAdapter<T> extends BaseAdapter {
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private ArrayList<T> mData;
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private int mLayoutRes; //布局id
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public AllListViewAdapter() {
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}
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public AllListViewAdapter(ArrayList<T> mData, int mLayoutRes) {
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this.mData = mData;
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this.mLayoutRes = mLayoutRes;
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}
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@Override
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public int getCount() {
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return mData != null ? mData.size() : 0;
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}
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@Override
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public T getItem(int position) {
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return mData.get(position);
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}
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@Override
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public long getItemId(int position) {
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return position;
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}
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@Override
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public View getView(int position, View convertView, ViewGroup parent) {
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ViewHolder holder = ViewHolder.bind(parent.getContext(), convertView, parent, mLayoutRes
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, position);
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bindView(holder, getItem(position));
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return holder.getItemView();
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}
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public abstract void bindView(ViewHolder holder, T obj);
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//添加一个元素
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public void add(T data) {
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if (mData == null) {
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mData = new ArrayList<>();
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}
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mData.add(data);
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notifyDataSetChanged();
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}
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//往特定位置，添加一个元素
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public void add(int position, T data) {
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if (mData == null) {
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mData = new ArrayList<>();
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}
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mData.add(position, data);
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notifyDataSetChanged();
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}
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public void remove(T data) {
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if (mData != null) {
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mData.remove(data);
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}
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notifyDataSetChanged();
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}
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public void remove(int position) {
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if (mData != null) {
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mData.remove(position);
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}
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notifyDataSetChanged();
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}
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public void clear() {
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if (mData != null) {
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mData.clear();
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}
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notifyDataSetChanged();
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}
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public static class ViewHolder {
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private SparseArray<View> mViews; //存储ListView 的 item中的View
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private View item; //存放convertView
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private int position; //游标
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private Context context; //Context上下文
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//构造方法，完成相关初始化
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private ViewHolder(Context context, ViewGroup parent, int layoutRes) {
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mViews = new SparseArray<>();
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this.context = context;
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View convertView = LayoutInflater.from(context).inflate(layoutRes, parent, false);
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convertView.setTag(this);
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item = convertView;
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}
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//绑定ViewHolder与item
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public static ViewHolder bind(Context context, View convertView, ViewGroup parent,
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int layoutRes, int position) {
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ViewHolder holder;
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if (convertView == null) {
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holder = new ViewHolder(context, parent, layoutRes);
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} else {
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holder = (ViewHolder) convertView.getTag();
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holder.item = convertView;
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}
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holder.position = position;
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return holder;
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}
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@SuppressWarnings("unchecked")
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public <T extends View> T getView(int id) {
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T t = (T) mViews.get(id);
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if (t == null) {
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t = (T) item.findViewById(id);
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mViews.put(id, t);
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}
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return t;
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}
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public CheckBox getCheckBox(int id){
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CheckBox checkBox = (CheckBox) mViews.get(id);
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if (checkBox == null){
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checkBox = (CheckBox) item.findViewById(id);
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mViews.put(id, checkBox);
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}
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return checkBox;
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}
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/**
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* 获取当前条目
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*/
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public View getItemView() {
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return item;
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}
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/**
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* 获取条目位置
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*/
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public int getItemPosition() {
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return position;
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}
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/**
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* 设置文字
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*/
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public ViewHolder setText(int id, CharSequence text) {
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View view = getView(id);
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if (view instanceof TextView) {
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((TextView) view).setText(text);
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}
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return this;
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}
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public ViewHolder setTextGravity(int id, int gravity) {
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View view = getView(id);
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if (view instanceof TextView) {
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((TextView) view).setGravity(gravity);
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}
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return this;
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}
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/**
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* 设置图片
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*/
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public ViewHolder setImageResource(int id, int drawableRes) {
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View view = getView(id);
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if (view instanceof ImageView) {
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((ImageView) view).setImageResource(drawableRes);
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} else {
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view.setBackgroundResource(drawableRes);
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}
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return this;
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}
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/**
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* 设置点击监听
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*/
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public ViewHolder setOnClickListener(int id, View.OnClickListener listener) {
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getView(id).setOnClickListener(listener);
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return this;
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}
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/**
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* 设置可见
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*/
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public ViewHolder setVisibility(int id, int visible) {
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getView(id).setVisibility(visible);
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return this;
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}
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/**
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* 设置标签
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*/
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public ViewHolder setTag(int id, Object obj) {
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getView(id).setTag(obj);
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return this;
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}
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/**
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*
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* @param id
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* @param isSelected
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* @return
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*/
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public ViewHolder setSelect(int id, boolean isSelected) {
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getView(id).setSelected(isSelected);
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return this;
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}
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/**
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* 设置能否点击
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* @param id
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* @param isEnabled
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* @return
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*/
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public ViewHolder setEnabled(int id, boolean isEnabled){
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getView(id).setEnabled(isEnabled);
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return this;
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}
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/**
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* CheckBox切换监听事件
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* @param id
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* @param listener
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* @return
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*/
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public ViewHolder setOnCheckedChangeListener(int id, CheckBox.OnCheckedChangeListener listener){
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getCheckBox(id).setOnCheckedChangeListener(listener);
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return this;
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}
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/**
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* CheckBox能否点击
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* @param id
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* @param clickable
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* @return
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*/
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public ViewHolder setClickable(int id, boolean clickable){
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getCheckBox(id).setClickable(clickable);
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return this;
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}
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/**
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* CheckBox选中状态
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* @param id
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* @param checked
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* @return
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*/
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public ViewHolder setChecked(int id, boolean checked){
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getCheckBox(id).setChecked(checked);
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return this;
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}
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//其他方法可自行扩展
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}
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}
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