防携程筛选，listview和checkbox结合使用
来源：互联网 发布：桃源恋歌镜头数据 编辑：程序博客网 时间：2024/05/16 01:46
最近一直做一款旅游的APP，有一个刷选的功能，一看很简单，但是最后搞了很久，日了狗。先不说放图
其实呢原理很简单，就是两个listview 的合并还有listview 和CheckBox的混合使用！！！！！
首先呢原理很简单就是有一个PopupWindow 里面有两个listView，左边一个，右边一个（废话），
点击左边的listview。相应弹出相应右边的listview,然后右边的listview里面还有CheckBox，然后就是防止CheckBox的错乱，点击取消，确定，清除，相应的操作。
首先主布局：
<TextView android:id="@+id/textviewClick" android:gravity="center" android:layout_width="match_parent" android:layout_height="20dp" android:layout_alignParentTop="true" android:layout_centerHorizontal="true" android:text="点击我" /><LinearLayout android:layout_width="match_parent" android:layout_height="wrap_content" android:orientation="horizontal" > <ListView android:id="@+id/pop_listview_left" android:layout_width="0dp" android:layout_height="132dp" android:layout_weight="21" android:divider="#ccc" android:dividerHeight="1dp" android:scrollbars="none" android:scrollingCache="false" > </ListView> <ListView android:id="@+id/pop_listview_right" android:layout_width="0dp" android:layout_height="132dp" android:layout_weight="43" android:background="#ffffff" android:dividerHeight="0dp" android:listSelector="#fff" android:scrollbars="none" android:scrollingCache="false" /></LinearLayout>然后就是PopupWindow的布局，都很简单，哈哈哈！
<LinearLayout android:layout_width="match_parent" android:layout_height="44dp" > <TextView android:id="@+id/textview_call_off" android:layout_width="0dp" android:layout_height="match_parent" android:layout_weight="1" android:gravity="center" android:text="取消" android:textSize="14sp" /> <TextView android:id="@+id/textview_eliminate" android:layout_width="0dp" android:layout_height="match_parent" android:layout_weight="1" android:gravity="center" android:text="清除筛选" android:textSize="14sp" /> <TextView android:id="@+id/textview_confirm" android:layout_width="0dp" android:layout_height="match_parent" android:layout_weight="1" android:gravity="center" android:text="确定" android:textSize="14sp" /></LinearLayout>然后就是两个listview 的两个Adapter:
第一个FirstClassAdapter很简单直接上代码：
public class FirstClassAdapter extends BaseAdapter {
private Context context;
private List list;
public FirstClassAdapter(Context context, List<FirstClassItem> list) { this.context = context; this.list = list;}@Overridepublic int getCount() { return list == null ? 0 : list.size();}@Overridepublic Object getItem(int i) { return null;}@Overridepublic long getItemId(int i) { return 0;}@Overridepublic View getView(int position, View convertView, ViewGroup viewGroup) { ViewHolder holder; if (convertView == null) { convertView = LayoutInflater.from(context).inflate( R.layout.left_listview_item, null); holder = new ViewHolder(); holder.nameTV = (TextView) convertView .findViewById(R.id.left_item_name); convertView.setTag(holder); } else { holder = (ViewHolder) convertView.getTag(); } if (position == selectedPosition) { convertView.setBackgroundResource(R.color.popup_right_bg); } else { convertView.setBackgroundResource(R.drawable.selector_left_normal); } holder.nameTV.setText(list.get(position).getName()); return convertView;}private int selectedPosition = 0;public void setSelectedPosition(int selectedPosition) { this.selectedPosition = selectedPosition;}public int getSelectedPosition() { return selectedPosition;}private class ViewHolder { TextView nameTV;}}
左边listview的布局：
<TextView android:id="@+id/left_item_name" android:layout_width="105dp" android:layout_height="44dp" android:gravity="center" android:textSize="14sp" /> 右边的SecondClassAdapter：
public class SecondClassAdapter extends BaseAdapter {
private Context context;
private List list;
private boolean isShow = false;
ArrayList dayscheckTrue = new ArrayList();
ArrayList dayscheckFalse = new ArrayList();
ArrayList timecheckTrue = new ArrayList();
ArrayList timecheckFalse = new ArrayList();
ArrayList pricecheckTrue = new ArrayList();
ArrayList pricecheckFalse = new ArrayList();
public SecondClassAdapter(Context context, List<SecondClassItem> list ) { this.context = context; this.list = list;}public boolean isShow() { return isShow;}public void setShow(boolean isShow) { this.isShow = isShow;}@Overridepublic int getCount() { return list == null ? 0 : list.size();}@Overridepublic Object getItem(int position) { return null;}@Overridepublic long getItemId(int position) { return 0;}@Overridepublic View getView(final int position, View convertView, ViewGroup parent) { ViewHolder holder; if (convertView == null) { holder = new ViewHolder(); convertView = LayoutInflater.from(context).inflate( R.layout.right_listview_item, null); holder.nameTV = (TextView) convertView .findViewById(R.id.right_item_name); holder.cb = (CheckBox) convertView.findViewById(R.id.item_cb); convertView.setTag(holder); } else { holder = (ViewHolder) convertView.getTag(); } final SecondClassItem classItem = list.get(position); holder.nameTV.setText(list.get(position).getName()); holder.cb.setChecked(classItem.isChecked()); return convertView;}private class ViewHolder { TextView nameTV; CheckBox cb;} 然后就是两个Bean类：
public class FirstClassItem {
private int id;
private String name;
private List secondList;
public FirstClassItem() {}public FirstClassItem(int id, String name, List<SecondClassItem> secondList) { this.id = id; this.name = name; this.secondList = secondList;}public int getId() { return id;}public void setId(int id) { this.id = id;}public String getName() { return name;}public void setName(String name) { this.name = name;}public List<SecondClassItem> getSecondList() { return secondList;}public void setSecondList(List<SecondClassItem> secondList) { this.secondList = secondList;}@Overridepublic String toString() { return "FirstClassItem{" + "id=" + id + ", name='" + name + '\'' + ", secondList=" + secondList + '}';}第二个，因为第二个有CheckBox 所以我写一个 isChecked 字段，其实listview和checkbox 在一起有很多种解决方式，有兴趣可以看我另一篇博客，介绍一下我用过的方法。
public class SecondClassItem {private int id;private String name;private boolean isChecked;private int ids;public int getIds() { return ids;}public void setIds(int ids) { this.ids = ids;}public SecondClassItem() {}public SecondClassItem(int id, String name, boolean isChecked, int ids) { super(); this.id = id; this.name = name; this.isChecked = isChecked; this.ids = ids;}public boolean isChecked() { return isChecked;}public void setChecked(boolean isChecked) { this.isChecked = isChecked;}public boolean getChecked(boolean isChecked) { return isChecked;}public int getId() { return id;}public void setId(int id) { this.id = id;}public String getName() { return name;}public void setName(String name) { this.name = name;}@Overridepublic String toString() { return "SecondClassItem{" + "id=" + id + ", name='" + name + '\'' + '}';}关键代码就是MainActivity中了，备注很详细，有用的朋友只需改变极少代码就可以使用很简单，上代码：
public class MainActivity extends Activity implements OnClickListener {
/** 左侧一级分类的数据 */private List<FirstClassItem> firstList;/** 右侧二级分类的数据 */private List<SecondClassItem> secondList;// 二级数据List<SecondClassItem> list2;// 保存的数据private ArrayList<String> dayMap = new ArrayList<String>();private ArrayList<String> timeMap = new ArrayList<String>();private ArrayList<String> priceMap = new ArrayList<String>();// 旅游的列表private boolean isfrist = true;private TextView textviewClick;private PopupWindow popupWindow;private ListView leftLV, rightLV;private TextView textview_confirm;private SecondClassAdapter secondAdapter;private FirstClassAdapter firstAdapter;private String val = "";private String val2 = "";private String val3 = "";// 右边显示的数据private List<String> days = new ArrayList<String>();private List<String> date = new ArrayList<String>();private List<String> prices = new ArrayList<String>();@Overrideprotected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); initView();}private void initView() { textviewClick = (TextView) findViewById(R.id.textviewClick); textviewClick.setOnClickListener(this);}// 初始化数据，你只要改这里就可以private void requestList() { firstList = new ArrayList<FirstClassItem>(); days.add("2"); days.add("3"); days.add("4"); days.add("5"); days.add("6"); date.add("2016-3-16"); date.add("2016-3-17"); date.add("2016-3-18"); date.add("2016-3-19"); prices.add("1元"); prices.add("2元"); prices.add("3元"); prices.add("4元"); // 1 ArrayList<SecondClassItem> secondList1 = new ArrayList<SecondClassItem>(); secondList1.add(new SecondClassItem(0, "不限", false, 0)); for (int i = 0; i < days.size(); i++) { secondList1 .add(new SecondClassItem(i, days.get(i) + "天", false, 0)); } firstList.add(new FirstClassItem(1, "行程天数", secondList1)); // 2 ArrayList<SecondClassItem> secondList2 = new ArrayList<SecondClassItem>(); secondList2.add(new SecondClassItem(0, "不限", false, 0)); for (int i = 0; i < date.size(); i++) { secondList2.add(new SecondClassItem(i, date.get(i), false, 0)); } firstList.add(new FirstClassItem(2, "出发时间", secondList2)); // 3 ArrayList<SecondClassItem> secondList3 = new ArrayList<SecondClassItem>(); secondList3.add(new SecondClassItem(0, "不限", false, 0)); for (int i = 0; i < prices.size(); i++) { secondList3.add(new SecondClassItem(i, prices.get(i), false, 0)); } firstList.add(new FirstClassItem(3, "价格区间", secondList3));}private void initPopup() { requestList(); View view = LayoutInflater.from(this).inflate(R.layout.popup_layout, null); popupWindow = new PopupWindow(view, ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.WRAP_CONTENT); leftLV = (ListView) view.findViewById(R.id.pop_listview_left); rightLV = (ListView) view.findViewById(R.id.pop_listview_right); popupWindow.setBackgroundDrawable(new PaintDrawable()); popupWindow.setFocusable(true); // 确定 textview_confirm = (TextView) view.findViewById(R.id.textview_confirm); textview_confirm.setOnClickListener(this); // 初始进入都显示第一个 popupWindow.setOnDismissListener(new PopupWindow.OnDismissListener() { @Override public void onDismiss() { leftLV.setSelection(0); rightLV.setSelection(0); } }); firstAdapter = new FirstClassAdapter(this, firstList); firstAdapter.notifyDataSetChanged(); leftLV.setAdapter(firstAdapter); // 加载左侧第一行对应右侧二级分类 secondList = new ArrayList<SecondClassItem>(); secondList.addAll(firstList.get(0).getSecondList()); secondAdapter = new SecondClassAdapter(this, secondList); rightLV.setAdapter(secondAdapter); secondAdapter.notifyDataSetChanged(); // 左侧ListView点击事件 leftLV.setOnItemClickListener(new AdapterView.OnItemClickListener() { @Override public void onItemClick(AdapterView<?> parent, View view, int position, long id) { // 二级数据 list2 = firstList.get(position).getSecondList(); FirstClassAdapter adapter = (FirstClassAdapter) (parent .getAdapter()); // 如果上次点击的就是这一个item，则不进行任何操作 if (adapter.getSelectedPosition() == position) { return; } // 根据左侧一级分类选中情况，更新背景色 // adapter.setSelectedPosition(position); // adapter.notifyDataSetChanged(); // 显示右侧二级分类 updateSecondListView(list2, secondAdapter); } }); // 右侧ListView点击事件 rightLV.setOnItemClickListener(new AdapterView.OnItemClickListener() { @Override public void onItemClick(AdapterView<?> parent, View view, int position, long id) { // 第一次进入问题右边加载问题 if (list2 == null || isfrist == true) { isfrist = true; list2 = firstList.get(0).getSecondList(); updateSecondListView(list2, secondAdapter); SecondClassItem classItem = list2.get(position); classItem.setChecked(!classItem.isChecked()); secondAdapter.notifyDataSetChanged(); } else { SecondClassItem classItem = list2.get(position); classItem.setChecked(!classItem.isChecked()); secondAdapter.notifyDataSetChanged(); } int firstPosition = firstAdapter.getSelectedPosition(); int firstId = firstList.get(firstPosition).getId(); int secondId = firstList.get(firstPosition).getSecondList() .get(position).getId(); String selectedName = firstList.get(firstPosition) .getSecondList().get(position).getName(); // 写一个方法处理结果 handleResult(firstId, secondId, selectedName); } });}// 处理点击结果private void handleResult(int firstId, int secondId, String selectedName) { // 相应的添加和删除 if (firstId == 1) { selectedName = selectedName.substring(0, selectedName.length() - 1); if (dayMap.contains(selectedName)) { dayMap.remove(selectedName); } else { dayMap.add(selectedName); } System.out.println(dayMap.toString()); } if (firstId == 2) { if (timeMap.contains(selectedName)) { timeMap.remove(selectedName); } else { timeMap.add(selectedName); } System.out.println(timeMap.toString()); } if (firstId == 3) { if (priceMap.contains(selectedName)) { priceMap.remove(selectedName); } else { priceMap.add(selectedName); } System.out.println(priceMap.toString()); }}// 刷新右侧ListViewprivate void updateSecondListView(List<SecondClassItem> list2, SecondClassAdapter secondAdapter) { System.out.println("第二个刷新"); isfrist = false; secondList.clear(); secondList.addAll(list2); secondAdapter.notifyDataSetChanged();}@Overridepublic void onClick(View v) { switch (v.getId()) { case R.id.textviewClick: initPopup(); boolean isShow = secondAdapter.isShow();// 从适配器里面查看当前页面状态 secondAdapter.setShow(!isShow);// 点击以后改变CustomAdapter中的标记 secondAdapter.notifyDataSetChanged();// 通知适配器数据更新了,改变界面 if (popupWindow.isShowing()) { popupWindow.dismiss(); } else { isfrist = true; popupWindow.showAsDropDown(findViewById(R.id.textviewClick)); popupWindow.setAnimationStyle(-1); } break; case R.id.textview_confirm: // 点击确定时候处理得到结果 // 清除数据 val = ""; val2 = ""; val3 = ""; for (int i = 0; i < dayMap.size(); i++) { String day = dayMap.get(i); if (day.equals("不")) { val = ""; break; } else { val = val + "," + day; } } for (int i = 0; i < timeMap.size(); i++) { String day = timeMap.get(i); if (day.equals("不限")) { val2 = ""; break; } else { val2 = val2 + "," + day; } } for (int i = 0; i < priceMap.size(); i++) { String day = priceMap.get(i); System.out.println("day" + day); if (day.equals("不限")) { val3 = ""; break; } else { val3 = "" + val3 + "," + day; } } if (val.length() != 0) { val = val.substring(1, val.length()); } else { val = ""; } if (val2.length() != 0) { val2 = val2.substring(1, val2.length()); } else { val2 = ""; } if (val3.length() != 0) { val3 = val3.substring(1, val3.length()); } else { val3 = ""; } // 这里就是你点击后的逻辑 Toast.makeText(MainActivity.this, "选择的数据天数" + val + "----日期" + val2 + "-----价格区间" + val3, Toast.LENGTH_LONG).show(); popupWindow.dismiss(); break; default: break; }}}
然后清除筛选和取消类似，简单吧。。。。。。。。。。。。。。
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