小编给大家分享一下Android仿美团外卖菜单界面的实现方法，希望大家阅读完这篇文章之后都有所收获，下面让我们一起去探讨吧！
具体内容如下
布局文件
总布局
<?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" android:id="@+id/activity_main" android:layout_width="match_parent" android:layout_height="match_parent" android:paddingBottom="@dimen/activity_vertical_margin" android:orientation="horizontal" tools:context="com.example.a1_.activity.MainActivity"> <ListView android:id="@+id/lv_left" android:layout_width="100dp" android:layout_height="match_parent"> </ListView> <se.emilsjolander.stickylistheaders.StickyListHeadersListView android:id="@+id/lv_right" android:layout_width="match_parent" android:layout_height="match_parent"> </se.emilsjolander.stickylistheaders.StickyListHeadersListView> </LinearLayout>
左侧布局
<?xml version="1.0" encoding="utf-8"?> <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:layout_height="wrap_content"> <TextView android:layout_margin="10dp" android:id="@+id/tv_title" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_centerInParent="true" android:text="菜单类别" android:textSize="18sp" /> </RelativeLayout>
右侧布局
<?xml version="1.0" encoding="utf-8"?> <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="wrap_content" android:layout_height="65dp" android:orientation="vertical"> <ImageView android:src="@mipmap/ic_launcher" android:layout_margin="4dp" android:id="@+id/iv" android:layout_width="50dp" android:layout_height="50dp" /> <LinearLayout android:layout_toRightOf="@id/iv" android:orientation="vertical" android:layout_margin="4dp" android:layout_width="match_parent" android:layout_height="match_parent"> <TextView android:text="洋芋粉炒腊肉" android:textSize="20sp" android:id="@+id/tv_right_title1" android:layout_width="wrap_content" android:layout_height="wrap_content" /> <TextView android:id="@+id/tv_right_title2" android:text="洋芋粉炒腊肉" android:textSize="16sp" android:layout_width="wrap_content" android:layout_height="wrap_content" /> <TextView android:id="@+id/tv_right_count" android:text="月销售54份" android:textSize="18sp" android:layout_width="wrap_content" android:layout_height="wrap_content" /> </LinearLayout> </RelativeLayout>
适配器
左侧适配器
package com.example.a1_.adapter;
import android.graphics.Color;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.TextView;
import com.example.a1_.Bean.LeftBean;
import com.example.a1_.R;
import java.util.List;
/**
* Created by Administrator on 2017.05.27.0027.
*/
public class LeftAdapter extends BaseAdapter {
private List<LeftBean> mList;
private int currentLeftItem = 0;
//创建一个构造方法
public LeftAdapter(List<LeftBean> mList) {
this.mList = mList;
}
@Override
public int getCount() {
return mList.size();
}
@Override
public LeftBean getItem(int position) {
return mList.get(position);
}
@Override
public long getItemId(int position) {
return position;
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
ViewHolder viewHolder = null;
if (convertView==null){
convertView = View.inflate(parent.getContext(), R.layout.left_item,null);
//创建viewHolder对象
viewHolder = new ViewHolder();
viewHolder.tv_title = (TextView) convertView.findViewById(R.id.tv_title);
//让viewholder挂在convertview上面一起复用
convertView.setTag(viewHolder);
}else {
//当convertView不为空时,吧viewholder取出来
viewHolder = (ViewHolder) convertView.getTag();
}
//获取对应条目的内容
LeftBean leftBean = getItem(position);
//把对应条目的内容设置在控件上
viewHolder.tv_title.setText(leftBean.title);
//给左侧条目设置颜色
if (currentLeftItem ==position){
viewHolder.tv_title.setTextColor(Color.RED);
}
return convertView;
}
public void setCurrentSelect(int currentLeftItem){
this.currentLeftItem = currentLeftItem;
}
//创建一个viewholder,用来复用对象
class ViewHolder{
TextView tv_title;
}
}右侧适配器
package com.example.a1_.adapter;
import android.content.Context;
import android.graphics.Color;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.ListView;
import android.widget.TextView;
import com.example.a1_.Bean.LeftBean;
import com.example.a1_.Bean.RightBean;
import com.example.a1_.R;
import java.util.List;
import java.util.Random;
import se.emilsjolander.stickylistheaders.StickyListHeadersAdapter;
/**
* Created by Administrator on 2017.05.27.0027.
*/
public class RightAdapter extends BaseAdapter implements StickyListHeadersAdapter {
private List<LeftBean> mLeft;
private List<RightBean> mRight;
private Context context;
public RightAdapter(List<LeftBean> mLeft, List<RightBean> mRight, Context context) {
this.mLeft = mLeft;
this.mRight = mRight;
this.context = context;
}
@Override
public View getHeaderView(int position, View convertView, ViewGroup parent) {
TextView tv = new TextView(context);
tv.setTextColor(Color.RED);
tv.setTextSize(18);
tv.setText(mRight.get(position).type);
return tv;
}
@Override
public long getHeaderId(int position) {
return mRight.get(position).typeId;
}
@Override
public int getCount() {
return mRight.size();
}
@Override
public RightBean getItem(int position) {
return mRight.get(position);
}
@Override
public long getItemId(int position) {
return position;
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
ViewHolder viewHolder = null;
if (convertView==null){
convertView = View.inflate(context, R.layout.right_item,null);
viewHolder = new ViewHolder();
viewHolder.title1 = (TextView) convertView.findViewById(R.id.tv_right_title1);
viewHolder.title2 = (TextView) convertView.findViewById(R.id.tv_right_title2);
viewHolder.count = (TextView) convertView.findViewById(R.id.tv_right_count);
convertView.setTag(viewHolder);
}else {
viewHolder = (ViewHolder) convertView.getTag();
}
RightBean rightBean = mRight.get(position);
viewHolder.title1.setText(rightBean.biaoti);
viewHolder.title2.setText(rightBean.biaoti);
//使用Random获取随机数
Random random = new Random();
int i = random.nextInt(100);
viewHolder.count.setText("月销量"+i+"份");
return convertView;
}
static class ViewHolder{
TextView title1;
TextView title2;
TextView count;
}
}javabean文件
左侧
package com.example.a1_.Bean;
public class LeftBean {
public String title;
public int type;
}右侧
package com.example.a1_.Bean;
import android.R.string;
public class RightBean {
public String biaoti;
public String type;
public int typeId;
}数据源
package com.example.a1_.data;
import com.example.a1_.Bean.LeftBean;
import com.example.a1_.Bean.RightBean;
import java.util.ArrayList;
import java.util.List;
/**
* Created by wangcaisheng on 2017/5/27.
*/
public class Data {
private static String[] leftData = new String[]{"13.9特价套餐","粗粮主食","佐餐小吃","用心营养套餐(不含主食)","三杯鸡双拼尊享套餐","带鱼双拼尊享套餐","红烧肉双拼尊享套餐"};
private static String[] rightData0 = new String[]{"洋芋粉炒腊肉","土鸡炖香菇","新疆大盘辣子土鸡","清炖土鸡块","农家蒸碗 ","香辣野猪肉","香辣薯条大虾","麻辣猪血"};
private static String[] rightData1 = new String[]{"商芝扣肉","羊肉萝卜","干烧鱼 ","干煸野猪肉 ","排骨火锅","土鸡火锅","牛肉火锅","狗肉火锅 "};
private static String[] rightData2 = new String[]{"虎皮辣子炒咸肉","重庆飘香水煮鱼","红烧土鸡块","干煸辣子土鸡","清炖全鸡 "};
private static String[] rightData3 = new String[]{"洋芋粉炒腊肉","土鸡炖香菇","新疆大盘辣子土鸡","清炖土鸡块","农家蒸碗 ","香辣野猪肉","香辣薯条大虾","麻辣猪血"};
private static String[] rightData4 = new String[]{"洋芋粉炒腊肉","土鸡炖香菇","新疆大盘辣子土鸡","清炖土鸡块","农家蒸碗 ","香辣野猪肉","香辣薯条大虾","麻辣猪血"};
private static String[] rightData5 = new String[]{"洋芋粉炒腊肉","土鸡炖香菇","新疆大盘辣子土鸡","清炖土鸡块","农家蒸碗 ","香辣野猪肉","香辣薯条大虾","麻辣猪血"};
private static String[] rightData6 = new String[]{"洋芋粉炒腊肉","土鸡炖香菇","新疆大盘辣子土鸡","清炖土鸡块","农家蒸碗 ","香辣野猪肉","香辣薯条大虾","麻辣猪血"};
public static List<LeftBean> getLeftData(){
List<LeftBean> list = new ArrayList<LeftBean>();
for (int i = 0; i < leftData.length; i++) {
LeftBean bean = new LeftBean();
bean.title = leftData[i];
bean.type = i;
list.add(bean);
}
return list;
}
public static List<RightBean> getRightData(List<LeftBean> list){
List<RightBean> rightList = new ArrayList<RightBean>();
for (int i = 0; i < list.size(); i++) {
LeftBean leftBean = list.get(i);
int mType = leftBean.type;
switch (mType) {
case 0:
rightList = getRightList(rightData0, leftBean, mType, rightList);
break;
case 1:
rightList = getRightList(rightData1, leftBean, mType, rightList);
break;
case 2:
rightList = getRightList(rightData2, leftBean, mType, rightList);
break;
case 3:
rightList = getRightList(rightData3, leftBean, mType, rightList);
break;
case 4:
rightList = getRightList(rightData4, leftBean, mType, rightList);
break;
case 5:
rightList = getRightList(rightData5, leftBean, mType, rightList);
break;
case 6:
rightList = getRightList(rightData6, leftBean, mType, rightList);
break;
}
}
return rightList;
}
private static List<RightBean> getRightList(String[] arr, LeftBean leftBean, int mType, List<RightBean> rightList){
for (int j = 0; j < arr.length; j++) {
RightBean bean = new RightBean();
bean.type = leftBean.title;
bean.biaoti = arr[j];
bean.typeId = mType;
rightList.add(bean);
}
return rightList;
}
}核心代码
package com.example.a1_.activity;
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.view.View;
import android.widget.AdapterView;
import android.widget.ListView;
import com.example.a1_.Bean.LeftBean;
import com.example.a1_.Bean.RightBean;
import com.example.a1_.R;
import com.example.a1_.adapter.LeftAdapter;
import com.example.a1_.adapter.RightAdapter;
import com.example.a1_.data.Data;
import java.util.List;
import se.emilsjolander.stickylistheaders.StickyListHeadersListView;
public class MainActivity extends AppCompatActivity {
private ListView lv_left;
private StickyListHeadersListView lv_right;
private int currentLeftItem;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
initView();
initData();
}
//初始化控件
private void initView() {
//初始化控件
lv_left = (ListView) findViewById(R.id.lv_left);
lv_right = (StickyListHeadersListView) findViewById(R.id.lv_right);
}
//设置适配器
private void initData() {
//创建适配器
final LeftAdapter leftAdapter = new LeftAdapter(Data.getLeftData());
//获取左侧数据
final List<LeftBean> leftData = Data.getLeftData();
//获取右侧数据
final List<RightBean> rightData = Data.getRightData(leftData);
RightAdapter rightAdapter = new RightAdapter(leftData, rightData, this);
//为左侧布局设置适配器
lv_left.setAdapter(leftAdapter);
lv_right.setAdapter(rightAdapter);
//为左侧条目设置点击事件
lv_left.setOnItemClickListener(new AdapterView.OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
//当左侧条目被点击时,记录下被点击条目的type
int type = leftData.get(position).type;
//遍历右侧条目,并获取右侧条目的typeId,与刚刚获取的type对比,是否一致
for (int i = 0; i < rightData.size(); i++) {
if (type == rightData.get(i).typeId) {
//如果找到对应的条目,那就将右侧条目滚动至对应条目,并跳出循环
lv_right.smoothScrollToPosition(i);
currentLeftItem = i;
//设置当前被选中的左侧条目
leftAdapter.setCurrentSelect(currentLeftItem);
//刷新数据适配器
leftAdapter.notifyDataSetChanged();
break;
}
}
// Toast.makeText(MainActivity.this, "您选中了"+leftData.get(position).title, Toast.LENGTH_SHORT).show();
}
});
//为右侧条目设置点击事件
lv_right.setOnItemClickListener(new AdapterView.OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
// Toast.makeText(MainActivity.this, "右侧条目被点击了"+position, Toast.LENGTH_SHORT).show();
//当右侧条目被点击时,获取被点击条目的typeId
int typeId = rightData.get(position).typeId;
//遍历左侧条目
for (int i = 0; i < leftData.size(); i++) {
//获取左侧条目的type,与右侧条目的typeId对比是否一致
if (typeId == leftData.get(i).type) {
//说明找到了对应条目,跳出循环,设置当前被选中的条目
currentLeftItem = i;
//设置当前被选中的左侧条目
leftAdapter.setCurrentSelect(currentLeftItem);
//刷新数据适配器
leftAdapter.notifyDataSetChanged();
break;
}
}
}
});
}
}看完了这篇文章，相信你对“Android仿美团外卖菜单界面的实现方法”有了一定的了解，如果想了解更多相关知识，欢迎关注亿速云行业资讯频道，感谢各位的阅读！
免责声明：本站发布的内容（图片、视频和文字）以原创、转载和分享为主，文章观点不代表本网站立场，如果涉及侵权请联系站长邮箱：is@yisu.com进行举报，并提供相关证据，一经查实，将立刻删除涉嫌侵权内容。
