android 二级菜单、双ListView 仿美团、购物App二级菜单
android 二级菜单、双ListView 仿美团、购物二级菜单
下载Demo
效果如下图，下载后直接粘贴就可以用
Bean.java
package com.mengle.app;
import java.util.List;
public class Bean {
/**
* result : Y address :
* [{"name":"北京","custId":"010","area":["东城区","西城区","崇文区"
* ,"宣武区","延庆县"]},{"name"
* :"上海","custId":"021","area":["黄浦区","卢湾区","徐汇区","长宁区","静安区","其他"]}]
*/
private String result;
/**
* name : 北京 custId : 010 area : ["东城区","西城区","崇文区","宣武区","延庆县"]
*/
private List address;
public void setResult(String result) {
this.result = result;
}
public void setAddress(List address) {
this.address = address;
}
public String getResult() {
return result;
}
public List getAddress() {
return address;
}
public static class AddressEntity {
private String name;
private String custId;
private List area;
public void setName(String name) {
this.name = name;
}
public void setCustId(String custId) {
this.custId = custId;
}
public void setArea(List area) {
this.area = area;
}
public String getName() {
return name;
}
public String getCustId() {
return custId;
}
public List getArea() {
return area;
}
}
}
package com.mengle.app;
import java.util.ArrayList;
import java.util.List;
import android.app.Activity;
import android.graphics.drawable.BitmapDrawable;
import android.os.Bundle;
import android.util.DisplayMetrics;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup.LayoutParams;
import android.view.Window;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.ListView;
import android.widget.PopupWindow;
import android.widget.TextView;
import android.widget.Toast;
import com.google.gson.Gson;
import com.google.gson.reflect.TypeToken;
import com.mengle.app.Bean.AddressEntity;
public class MainActivity extends Activity {
private DisplayMetrics dm;
private PopupWindow popWindow;
private MoreAdapter moreAdapter;
private ListView morelist;
private TextView tv;
private List mainList;
private ListView mainlist;
private MainAdapter mainAdapter;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
requestWindowFeature(Window.FEATURE_NO_TITLE);
setContentView(R.layout.activity_main);
dm = new DisplayMetrics();
// 取得窗口属性
getWindowManager().getDefaultDisplay().getMetrics(dm);
initModle();// 添加数据
tv = (TextView) findViewById(R.id.tv);
tv.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
downPopwindow();
}
});
}
private void downPopwindow() {
// showAsDropDown(View anchor);相对某个控件的位置（正左下方），无偏移
// showAsDropDown(View anchor, int x, int
// y);相对某个控件的位置，有偏移;x表示相对x轴的偏移，正表示向左，负表示向右；y表示相对y轴的偏移，正是向下，负是向上；
View contentView = LayoutInflater.from(this).inflate(R.layout.pop_down,
null);
int screenHeight = dm.heightPixels * 2 / 3;
// 这里就给具体大小的数字，要不然位置不好计算
popWindow = new PopupWindow(contentView, LayoutParams.MATCH_PARENT,
screenHeight);
// popWindow.setAnimationStyle(R.style.anim);// 淡入淡出动画
// popWindow.setTouchable(false);// 是否响应touch事件
popWindow.setFocusable(true);// 是否具有获取焦点的能力
// 点击PopupWindow以外的区域，PopupWindow是否会消失。
popWindow.setBackgroundDrawable(new BitmapDrawable());
popWindow.setOutsideTouchable(true);
mainlist = (ListView) contentView.findViewById(R.id.classify_mainlist);
morelist = (ListView) contentView.findViewById(R.id.classify_morelist);
mainAdapter = new MainAdapter(this, mainList);
mainAdapter.setSelectItem(0);
mainlist.setAdapter(mainAdapter);
mainlist.setOnItemClickListener(new OnItemClickListener() {
@Override
public void onItemClick(AdapterView parent, View view,
int position, long id) {
List lists = mainList.get(position).getArea();
initAdapter(lists);
mainAdapter.setSelectItem(position);
mainAdapter.notifyDataSetChanged();
}
});
mainlist.setChoiceMode(ListView.CHOICE_MODE_SINGLE);
// 一定要设置这个属性，否则ListView不会刷新
initAdapter(mainList.get(0).getArea());
morelist.setOnItemClickListener(new OnItemClickListener() {
@Override
public void onItemClick(AdapterView parent, View view,
int position, long id) {
String s = (String) moreAdapter.getItem(position);
Toast.makeText(getApplicationContext(), s, 1).show();
moreAdapter.setSelectItem(position);
moreAdapter.notifyDataSetChanged();
}
});
popWindow.showAsDropDown(tv);
}
private void initAdapter(List lists) {
moreAdapter = new MoreAdapter(this, lists);
morelist.setAdapter(moreAdapter);
moreAdapter.notifyDataSetChanged();
}
private void initModle() {
mainList = new ArrayList();
Gson gson = new Gson();
String json = "{\"result\":\"Y\", \"address\":[{\"name\":\"北京\",\"custId\":\""
+ R.drawable.ic_category_1
+ "\", \"area\":[\"东城区\",\"西城区\",\"崇文区\",\"宣武区\",\"延庆县\"]},{\"name\":\"上海\", \"custId\":\""
+ R.drawable.ic_category_2
+ "\",\"area\":[\"黄浦区\",\"卢湾区\",\"徐汇区\",\"长宁区\",\"静安区\",\"其他\"]}]}";
java.lang.reflect.Type type = new TypeToken() {
}.getType();
Bean b = gson.fromJson(json, type);
mainList.addAll(b.getAddress());
}
}
package com.mengle.app;
import java.util.List;
import com.mengle.app.Bean.AddressEntity;
import android.content.Context;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.TextView;
public class MainAdapter extends BaseAdapter {
private Context context;
private List list;
private int position = 0;
private Holder hold;
public MainAdapter(Context context, List list) {
this.context = context;
this.list = list;
}
public int getCount() {
return list.size();
}
public Object getItem(int position) {
return list.get(position);
}
public long getItemId(int position) {
return position;
}
public View getView(int arg0, View view, ViewGroup viewGroup) {
if (view == null) {
view = View.inflate(context, R.layout.item_mainlist, null);
hold = new Holder(view);
view.setTag(hold);
} else {
hold = (Holder) view.getTag();
}
hold.img.setImageResource(Integer.parseInt(list.get(arg0).getCustId()));
hold.txt.setText(list.get(arg0).getName());
hold.layout.setBackgroundColor(0xFFEBEBEB);
if (arg0 == position) {
hold.layout.setBackgroundColor(0xFFFFFFFF);
}
return view;
}
public void setSelectItem(int position) {
this.position = position;
}
public int getSelectItem() {
return position;
}
private static class Holder {
LinearLayout layout;
ImageView img;
TextView txt;
public Holder(View view) {
txt = (TextView) view.findViewById(R.id.mainitem_txt);
img = (ImageView) view.findViewById(R.id.mainitem_img);
layout = (LinearLayout) view.findViewById(R.id.mainitem_layout);
}
}
}
item_mainlist.xml
MoreAdapter.java
package com.mengle.app;
import java.util.List;
import android.content.Context;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.TextView;
public class MoreAdapter extends BaseAdapter {
private Context context;
private int position = 0;
Holder hold;
private List lists;
public MoreAdapter(Context context, List lists) {
this.context = context;
this.lists = lists;
}
public int getCount() {
return lists.size();
}
public Object getItem(int position) {
return lists.get(position);
}
public long getItemId(int position) {
return position;
}
public View getView(int arg0, View view, ViewGroup viewGroup) {
if (view == null) {
view = View.inflate(context, R.layout.item_morelist, null);
hold = new Holder(view);
view.setTag(hold);
} else {
hold = (Holder) view.getTag();
}
hold.txt.setText(lists.get(arg0).toString());
hold.txt.setTextColor(0xFF666666);
if (arg0 == position) {
hold.txt.setTextColor(0xFFFF8C00);
}
return view;
}
public void setSelectItem(int position) {
this.position = position;
}
private static class Holder {
TextView txt;
public Holder(View view) {
txt = (TextView) view.findViewById(R.id.moreitem_txt);
}
}
}