Android三级目录、ListView单选/GridView单选、ListView多选/GridView多选

/* * AUTHOR：Yolanda. * * DESCRIPTION：create the File, and add the content. * * Copyright © ZhiMore. All Rights Reserved. * */ package com.yolanda.listcheck.adapter; import android.content.Context; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.widget.BaseExpandableListAdapter; import android.widget.TextView; import com.yolanda.listcheck.R; import com.yolanda.listcheck.bean.OneBean; import com.yolanda.listcheck.bean.TwoBean; import java.util.ArrayList; import java.util.List; /** * <p>一二级目录的适配器。</p> * Created in 2016/3/22 17:34. * * @author Yolanda; */ public class OneTwoAdapter extends BaseExpandableListAdapter { private Context mContext; private OnTwoItemClickListener itemClickListener; private List<OneBean> oneBeans = new ArrayList<>(); public OneTwoAdapter(Context context, OnTwoItemClickListener itemClickListener) { this.mContext = context; this.itemClickListener = itemClickListener; } public void notifyDataSetChanged(List<OneBean> oneBeans) { this.oneBeans.clear(); if (oneBeans != null) this.oneBeans.addAll(oneBeans); super.notifyDataSetChanged(); } @Override public View getGroupView(int groupPosition, boolean isExpanded, View convertView, ViewGroup parent) { OneViewHolder oneViewHolder; if (convertView == null) { convertView = LayoutInflater.from(mContext).inflate(R.layout.item_list_one_title, parent, false); oneViewHolder = new OneViewHolder(convertView); convertView.setTag(oneViewHolder); } else oneViewHolder = (OneViewHolder) convertView.getTag(); oneViewHolder.setPosition(groupPosition); return convertView; } @Override public View getChildView(int groupPosition, int childPosition, boolean isLastChild, View convertView, ViewGroup parent) { TwoViewHolder twoViewHolder; if (convertView == null) { convertView = LayoutInflater.from(mContext).inflate(R.layout.item_list_two_title, parent, false); twoViewHolder = new TwoViewHolder(convertView); convertView.setTag(twoViewHolder); } else twoViewHolder = (TwoViewHolder) convertView.getTag(); twoViewHolder.setPosition(groupPosition, childPosition); return convertView; } /** * 一级的holder。 */ class OneViewHolder { private TextView mTvTitle; private OneViewHolder(View view) { mTvTitle = (TextView) view.findViewById(R.id.tv_title_one); } public void setPosition(int position) { OneBean oneBean = getGroup(position); mTvTitle.setText(oneBean.getTitle()); } } /** * 二级的holder。 */ class TwoViewHolder implements View.OnClickListener { private TextView mTvTitle; private int position; private int childPosition; private TwoViewHolder(View view) { view.setOnClickListener(this); mTvTitle = (TextView) view.findViewById(R.id.tv_title_two); } public void setPosition(int position, int childPosition) { this.position = position; this.childPosition = childPosition; TwoBean twoBean = getChild(position, childPosition); mTvTitle.setText(twoBean.getTitle()); mTvTitle.setSelected(twoBean.isChecked()); } @Override public void onClick(View v) { { // 这一段代码是选中当前点击的，反选其它选项，这就是单选 for (OneBean oneBean : oneBeans) { List<TwoBean> twoBeans = oneBean.getOperation(); for (TwoBean twoBean : twoBeans) twoBean.setChecked(false); } getChild(position, childPosition).setChecked(true); notifyDataSetChanged(); } // 通知外部刷新第三级 if (itemClickListener != null) itemClickListener.onClick(position, childPosition); } } public interface OnTwoItemClickListener { void onClick(int groupId, int childId); } @Override public int getGroupCount() { return oneBeans.size(); } @Override public int getChildrenCount(int groupPosition) { return oneBeans.get(groupPosition).getOperation().size(); } @Override public OneBean getGroup(int groupPosition) { return oneBeans.get(groupPosition); } @Override public TwoBean getChild(int groupPosition, int childPosition) { return getGroup(groupPosition).getOperation().get(childPosition); } @Override public long getGroupId(int groupPosition) { return groupPosition; } @Override public long getChildId(int groupPosition, int childPosition) { return childPosition; } @Override public boolean hasStableIds() { return true; } @Override public boolean isChildSelectable(int groupPosition, int childPosition) { return true; } }