解析网络json数据,模拟美团界面显示。

时间:2023-03-08 20:50:50
 <?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="80dp"
android:background="@android:color/white" > <ImageView
android:id="@+id/list_icon_img"
android:layout_width="80dp"
android:layout_height="80dp"
android:src="@drawable/ic_launcher" /> <TextView
android:id="@+id/list_name_txt"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_toRightOf="@id/list_icon_img"
android:singleLine="true"
android:text="瑞庭竹岛酒店"
android:textColor="@android:color/background_dark"
android:textSize="16sp" /> <TextView
android:id="@+id/list_coupe_txt"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_below="@id/list_name_txt"
android:layout_toRightOf="@id/list_icon_img"
android:singleLine="true"
android:text="网上预定入住可享返现优惠"
android:textColor="@android:color/holo_red_dark"
android:textSize="14sp" /> <TextView
android:id="@+id/list_distance_txt"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentBottom="true"
android:layout_alignParentRight="true"
android:layout_marginRight="10dp"
android:drawableLeft="@drawable/info_map"
android:text="2.0k"
android:textColor="@android:color/tab_indicator_text"
android:textSize="14sp" /> <TextView
android:id="@+id/list_location_txt"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentBottom="true"
android:layout_toLeftOf="@id/list_distance_txt"
android:layout_toRightOf="@id/list_icon_img"
android:singleLine="true"
android:text="四川省成都市高新区老成仁路8号成都市高新区老成都市高新区老成都市高新区老成都市高新区老"
android:textColor="@android:color/tab_indicator_text"
android:textSize="14sp" />
- <RelativeLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentRight="true"
android:layout_alignParentTop="true" > <ImageView
android:id="@+id/list_card_img"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:src="@drawable/near_card" /> <ImageView
android:id="@+id/list_group_img"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_toRightOf="@id/list_card_img"
android:src="@drawable/near_group" /> <ImageView
android:id="@+id/list_ticket_img"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_toRightOf="@id/list_group_img"
android:src="@drawable/near_ticket" />
</RelativeLayout> </RelativeLayout>

运行效果图:

解析网络json数据,模拟美团界面显示。

需要用到四个lib包 :解析json  gson包,从网络地址解析json数据成String字符串的异步网络解析工具AsyncHttpClient,等

下载地址:点击下载

解析网络json数据,模拟美团界面显示。

代码如下:

 package com.lixu.testjsonall;

 import java.util.ArrayList;
import java.util.List;
import com.google.gson.Gson;
import com.loopj.android.http.AsyncHttpClient;
import com.loopj.android.http.TextHttpResponseHandler;
import com.squareup.picasso.Picasso;
import android.app.Activity;
import android.content.Context;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.view.Window;
import android.widget.ArrayAdapter;
import android.widget.ImageView;
import android.widget.ListView;
import android.widget.TextView;
import android.widget.Toast;
import cz.msebera.android.httpclient.Header; public class MainActivity extends Activity {
private String net_url = "http://192.168.1.139/json/around";
private ListView lv;
private MyAdapter mMyAdapter; @Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
requestWindowFeature(Window.FEATURE_NO_TITLE);
setContentView(R.layout.activity_main); lv = (ListView) findViewById(R.id.lv); mMyAdapter = new MyAdapter(this, -1); lv.setAdapter(mMyAdapter); AsyncHttpClient ahc = new AsyncHttpClient();
ahc.get(net_url, new TextHttpResponseHandler() {
// 通过网络地址解析Json数据成String类型
@Override
public void onSuccess(int arg0, Header[] arg1, String arg2) {
// 从字符串中解析json文件
Gson gson = new Gson();
Infoall infoall = gson.fromJson(arg2, Infoall.class);
Info info = infoall.getInfo();
List<MerchantKey> mMerchantKey = info.getMerchantKey();
mMyAdapter.setList(mMerchantKey);
} @Override
public void onFailure(int arg0, Header[] arg1, String arg2, Throwable arg3) { Toast.makeText(getApplicationContext(), "错误!", 0).show();
}
}); } private class MyAdapter extends ArrayAdapter {
private LayoutInflater flater;
private List<MerchantKey> data = new ArrayList<MerchantKey>();
private Context context; public MyAdapter(Context context, int resource) {
super(context, resource);
this.context = context;
flater = LayoutInflater.from(context);
} public void setList(List<MerchantKey> data) {
this.data = data;
mMyAdapter.notifyDataSetChanged();
} @Override
public View getView(int position, View convertView, ViewGroup parent) {
if (convertView == null)
convertView = flater.inflate(R.layout.list, null);
TextView biaoti = (TextView) convertView.findViewById(R.id.list_name_txt);
biaoti.setText(data.get(position).getName());
TextView biaoti2 = (TextView) convertView.findViewById(R.id.list_coupe_txt);
biaoti2.setText(data.get(position).getCoupon()); TextView dizhi = (TextView) convertView.findViewById(R.id.list_location_txt);
dizhi.setText(data.get(position).getLocation()); TextView juli = (TextView) convertView.findViewById(R.id.list_distance_txt);
juli.setText(data.get(position).getDistance()); ImageView jpg = (ImageView) convertView.findViewById(R.id.list_icon_img);
Picasso.with(context).load(data.get(position).getPicUrl()).into(jpg); ImageView tuan = (ImageView) convertView.findViewById(R.id.list_group_img);
ImageView quan = (ImageView) convertView.findViewById(R.id.list_ticket_img);
ImageView ka = (ImageView) convertView.findViewById(R.id.list_card_img); if (data.get(position).getGroupType().equals("YES")) {
tuan.setVisibility(View.VISIBLE);
} else {
tuan.setVisibility(View.GONE);
}
if (data.get(position).getCardType().equals("YES")) {
ka.setVisibility(View.VISIBLE);
} else {
ka.setVisibility(View.GONE);
}
if (data.get(position).getCouponType().equals("YES")) {
quan.setVisibility(View.VISIBLE);
} else {
quan.setVisibility(View.GONE);
} return convertView; } @Override
public int getCount() { return data.size();
} } }
 package com.lixu.testjsonall;

 import java.util.List;

 public class Info {
private List<MerchantKey> merchantKey; public List<MerchantKey> getMerchantKey() {
return merchantKey;
} public void setMerchantKey(List<MerchantKey> merchantKey) {
this.merchantKey = merchantKey;
} }
 package com.lixu.testjsonall;

 public class Infoall {

     private Info info;

     public Info getInfo() {
return info;
} public void setInfo(Info info) {
this.info = info;
} }
 package com.lixu.testjsonall;

 public class MerchantKey {
private String name;
private String coupon;
private String location;
private String distance;
private String picUrl;
private String couponType;
private String cardType;
private String groupType; public String getName() {
return name;
} public void setName(String name) {
this.name = name;
} public String getCoupon() {
return coupon;
} public void setCoupon(String coupon) {
this.coupon = coupon;
} public String getLocation() {
return location;
} public void setLocation(String location) {
this.location = location;
} public String getDistance() {
return distance;
} public void setDistance(String distance) {
this.distance = distance;
} public String getPicUrl() {
return picUrl;
} public void setPicUrl(String picUrl) {
this.picUrl = picUrl;
} public String getCouponType() {
return couponType;
} public void setCouponType(String couponType) {
this.couponType = couponType;
} public String getCardType() {
return cardType;
} public void setCardType(String cardType) {
this.cardType = cardType;
} public String getGroupType() {
return groupType;
} public void setGroupType(String groupType) {
this.groupType = groupType;
} }

xml文件:

 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical"
tools:context="com.lixu.testjsonall.MainActivity" > <LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:background="@drawable/title_log"
android:orientation="horizontal" > <ImageView
android:id="@+id/fanhui"
android:layout_width="30dp"
android:layout_height="30dp"
android:layout_gravity="center"
android:src="@drawable/btn_back" /> <TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center"
android:text=" 我的关注"
android:textSize="25sp" />
</LinearLayout> <ListView
android:id="@+id/lv"
android:layout_width="match_parent"
android:layout_height="match_parent" /> </LinearLayout>