订单

本文介绍了一个Android应用中如何实现订单列表的展示与管理功能,包括使用ViewPager和TabLayout进行页面切换,通过Fragment展示不同状态的订单(待支付、已支付、已取消),并实现了下拉刷新和加载更多功能。

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MainActivity
package bwie.com.zhoukaomonisan.activity;

import android.os.Bundle;
import android.support.design.widget.TabLayout;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentPagerAdapter;
import android.support.v4.view.ViewPager;
import android.support.v7.app.AppCompatActivity;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ImageView;
import android.widget.PopupWindow;
import android.widget.TextView;
import android.widget.Toast;

import java.util.ArrayList;
import java.util.List;

import bwie.com.zhoukaomonisan.R;
import bwie.com.zhoukaomonisan.fragment.FragmentDaiZhifu;
import bwie.com.zhoukaomonisan.fragment.FragmentYiQuXiao;
import bwie.com.zhoukaomonisan.fragment.FragmentYiZhiFu;

public class MainActivity extends AppCompatActivity implements View.OnClickListener {


    private ImageView iv;
    private TabLayout tab;
    private ViewPager vp;
    private List<String> list;
    private View contentView;
    private PopupWindow popupWindow;
    private View parent;
    private TextView tv1;
    private TextView tv2;
    private TextView tv3;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        iv = findViewById(R.id.iv);
        tab = findViewById(R.id.tab);
        vp = findViewById(R.id.vp);

        iv.setOnClickListener(this);

        contentView = View.inflate(MainActivity.this, R.layout.pop_layout, null);
        //父窗体
        parent = View.inflate(MainActivity.this, R.layout.activity_main, null);
        //通过构造方法创建一个popupWindown
        popupWindow = new PopupWindow(contentView, ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.WRAP_CONTENT);

        /**
         * 出现的问题,,,点击周围不消失,,点击返回键直接退出这个activity...里面的editText控件不能输入
         */
        popupWindow.setTouchable(true);//设置窗体可以触摸,,,默认就是true
        popupWindow.setFocusable(true);//让窗体获取到焦点...一般情况下窗体里面的控件都能获取到焦点,但是editText特殊

        popupWindow.setOutsideTouchable(true);//设置窗体外部可以触摸
//        popupWindow.setBackgroundDrawable(new BitmapDrawable());//设置背景

        tv1 = contentView.findViewById(R.id.tv1);
        tv2 = contentView.findViewById(R.id.tv2);
        tv3 = contentView.findViewById(R.id.tv3);

        tv1.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                vp.setCurrentItem(0);
                Toast.makeText(MainActivity.this, "点击了待支付!", Toast.LENGTH_SHORT).show();
                popupWindow.dismiss();
            }
        });
        tv2.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                Toast.makeText(MainActivity.this, "点击了已支付!", Toast.LENGTH_SHORT).show();
                vp.setCurrentItem(1);
                popupWindow.dismiss();
            }
        });
        tv3.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                vp.setCurrentItem(2);
                Toast.makeText(MainActivity.this, "点击了已取消!", Toast.LENGTH_SHORT).show();
                popupWindow.dismiss();
            }
        });

        list = new ArrayList<>();
        list.add("待支付");
        list.add("已支付");
        list.add("已取消");
        vp.setOffscreenPageLimit(list.size());
        vp.setAdapter(new FragmentPagerAdapter(getSupportFragmentManager()) {
            @Override
            public CharSequence getPageTitle(int position) {
                return list.get(position);
            }

            @Override
            public int getCount() {
                return list.size();
            }

            @Override
            public Fragment getItem(int position) {
                if (list.get(position) == "待支付") {
                    //得到子条目 因为子条目是Fragment,所以要new一个Fragment
                    FragmentDaiZhifu fragmentDaiZhifu = new FragmentDaiZhifu();
                    return fragmentDaiZhifu;
                } else if (list.get(position)== "已支付") {
                    FragmentYiZhiFu fragmentYiZhiFu = new FragmentYiZhiFu();
                    return fragmentYiZhiFu;
                } else if (list.get(position) == "已取消") {
                    FragmentYiQuXiao fragmentYiQuXiao = new FragmentYiQuXiao();
                    return fragmentYiQuXiao;
                }
                return null;
            }
        });
        //将ViewPager关联到TabLayout上
        tab.setupWithViewPager(vp);
    }

    @Override
    public void onClick(View view) {
        popupWindow.showAsDropDown(iv);
    }
}
 
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
    tools:context=".activity.MainActivity">
    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="50dp"
        android:layout_gravity="center"
        android:gravity="center"
        android:orientation="horizontal">
        <TextView
            android:layout_width="0dp"
            android:layout_weight="1"
            android:gravity="center"
            android:layout_height="wrap_content"
            android:textSize="20sp"
            android:text="订单列表"/>
        <ImageView
            android:id="@+id/iv"
            android:layout_width="20dp"
            android:layout_height="20dp"
            android:layout_marginRight="5dp"
            android:src="@drawable/lv_icon"/>
    </LinearLayout>
    <android.support.design.widget.TabLayout
        android:id="@+id/tab"
        android:layout_width="match_parent"
        android:layout_height="55dp"
        app:tabIndicatorColor="@color/colorAccent"
        app:tabMode="fixed"
        app:tabSelectedTextColor="@color/colorPrimaryDark"
        app:tabTextColor="@color/colorPrimary" />

    <android.support.v4.view.ViewPager
        android:id="@+id/vp"
        android:layout_width="match_parent"
        android:layout_height="match_parent" />
</LinearLayout>
FragmentDaiZhifu
package bwie.com.zhoukaomonisan.fragment;

import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.support.annotation.Nullable;
import android.support.v4.app.Fragment;
import android.support.v7.widget.LinearLayoutManager;
import android.support.v7.widget.RecyclerView;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.Toast;

import com.scwang.smartrefresh.layout.SmartRefreshLayout;
import com.scwang.smartrefresh.layout.api.RefreshLayout;
import com.scwang.smartrefresh.layout.listener.OnLoadmoreListener;
import com.scwang.smartrefresh.layout.listener.OnRefreshListener;

import java.nio.file.OpenOption;
import java.util.List;

import bwie.com.zhoukaomonisan.view.IDaiZhifu;
import bwie.com.zhoukaomonisan.R;
import bwie.com.zhoukaomonisan.adapter.DaiZhiFuAdapter;
import bwie.com.zhoukaomonisan.bean.DingDanLieBiaoBean;
import bwie.com.zhoukaomonisan.presenter.DaiZhiFuPresenter;

/**
 * Created by lenovo on 2018/1/14.
 */

public class FragmentDaiZhifu extends Fragment implements IDaiZhifu {
    private RecyclerView rv;
    private int page=1;
    Handler handler = new Handler() {
        @Override
        public void handleMessage(Message msg) {
            super.handleMessage(msg);

            if (msg.what == 1) {
                String a = (String) msg.obj;
                daiZhiFuAdapter.notifyDataSetChanged();
                Toast.makeText(getActivity(), "订单已取消" + a, Toast.LENGTH_SHORT).show();
            }
        }
    };
    private DaiZhiFuPresenter daiZhiFuPresenter;
    private DingDanLieBiaoBean dingDanLieBiaoBean;
    private DaiZhiFuAdapter daiZhiFuAdapter;
    private SmartRefreshLayout refreshLayout;

    @Nullable
    @Override
    public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
        View view=inflater.inflate(R.layout.fragment_dingdan,container,false);
        rv = view.findViewById(R.id.rv);
        refreshLayout = view.findViewById(R.id.refreshLayout);
        return view;
    }

    @Override
    public void onActivityCreated(@Nullable Bundle savedInstanceState) {
        super.onActivityCreated(savedInstanceState);
        daiZhiFuPresenter = new DaiZhiFuPresenter(this);
    }

    @Override
    public void onResume() {
        super.onResume();
        daiZhiFuPresenter.getData("https://www.zhaoapi.cn/product/getOrders",page);
        refreshLayout.setOnRefreshListener(new OnRefreshListener() {
            @Override
            public void onRefresh(RefreshLayout refreshlayout) {
                daiZhiFuPresenter.getData("https://www.zhaoapi.cn/product/getOrders",1);
                refreshlayout.finishRefresh();
            }
        });
        refreshLayout.setOnLoadmoreListener(new OnLoadmoreListener() {
            @Override
            public void onLoadmore(RefreshLayout refreshlayout) {
                page++;
                //加载
                daiZhiFuPresenter.getData("https://www.zhaoapi.cn/product/getOrders",page);
                refreshlayout.finishLoadmore();
            }
        });
    }

    @Override
    public void getSuccess(final DingDanLieBiaoBean dingDanLieBiaoBean) {
        this.dingDanLieBiaoBean=dingDanLieBiaoBean;
        getActivity().runOnUiThread(new Runnable() {
            @Override
            public void run() {
                List<DingDanLieBiaoBean.DataBean> data = dingDanLieBiaoBean.getData();
                daiZhiFuAdapter = new DaiZhiFuAdapter(getActivity(),data,handler);
                rv.setAdapter(daiZhiFuAdapter);
                rv.setLayoutManager(new LinearLayoutManager(getActivity()));
            }
        });
    }
}
<?xml version="1.0" encoding="utf-8"?>
<com.scwang.smartrefresh.layout.SmartRefreshLayout
    android:id="@+id/refreshLayout"
    xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical">
    <android.support.v7.widget.RecyclerView
        android:id="@+id/rv"
        android:layout_width="match_parent"
        android:layout_height="match_parent">

    </android.support.v7.widget.RecyclerView>
</com.scwang.smartrefresh.layout.SmartRefreshLayout>
FragmentYiQuXiao
package bwie.com.zhoukaomonisan.fragment;

import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.support.annotation.Nullable;
import android.support.v4.app.Fragment;
import android.support.v7.widget.LinearLayoutManager;
import android.support.v7.widget.RecyclerView;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.Toast;

import java.util.List;

import bwie.com.zhoukaomonisan.view.IDaiZhifu;
import bwie.com.zhoukaomonisan.R;
import bwie.com.zhoukaomonisan.adapter.YiQuXiaoAdapter;
import bwie.com.zhoukaomonisan.bean.DingDanLieBiaoBean;
import bwie.com.zhoukaomonisan.presenter.DaiZhiFuPresenter;

/**
 * Created by lenovo on 2018/1/14.
 */

public class FragmentYiQuXiao extends Fragment implements IDaiZhifu {
    private RecyclerView rv;
    private int page=1;
    Handler handler = new Handler() {
        @Override
        public void handleMessage(Message msg) {
            super.handleMessage(msg);

            if (msg.what == 1) {
                String a = (String) msg.obj;
                yiQuXiaoAdapter.notifyDataSetChanged();
                Toast.makeText(getActivity(), "订单已取消" + a, Toast.LENGTH_SHORT).show();
            }
        }
    };

    private DaiZhiFuPresenter daiZhiFuPresenter;
    private DingDanLieBiaoBean dingDanLieBiaoBean;
    private YiQuXiaoAdapter yiQuXiaoAdapter;

    @Nullable
    @Override
    public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
        View view=inflater.inflate(R.layout.fragment_dingdan,container,false);
        rv = view.findViewById(R.id.rv);
        return view;
    }

    @Override
    public void onActivityCreated(@Nullable Bundle savedInstanceState) {
        super.onActivityCreated(savedInstanceState);
        daiZhiFuPresenter = new DaiZhiFuPresenter(this);
    }

    @Override
    public void onResume() {
        super.onResume();
        daiZhiFuPresenter.getData("https://www.zhaoapi.cn/product/getOrders",page);
    }

    @Override
    public void getSuccess(final DingDanLieBiaoBean dingDanLieBiaoBean) {
        this.dingDanLieBiaoBean=dingDanLieBiaoBean;
        getActivity().runOnUiThread(new Runnable() {
            @Override
            public void run() {
                List<DingDanLieBiaoBean.DataBean> data = dingDanLieBiaoBean.getData();
                yiQuXiaoAdapter = new YiQuXiaoAdapter(getActivity(), data, handler);
                rv.setAdapter(yiQuXiaoAdapter);
                rv.setLayoutManager(new LinearLayoutManager(getActivity()));
            }
        });
    }
}
FragmentYiZhiFu
package bwie.com.zhoukaomonisan.fragment;

import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.support.annotation.Nullable;
import android.support.v4.app.Fragment;
import android.support.v7.widget.LinearLayoutManager;
import android.support.v7.widget.RecyclerView;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.Toast;

import java.util.List;

import bwie.com.zhoukaomonisan.view.IDaiZhifu;
import bwie.com.zhoukaomonisan.R;
import bwie.com.zhoukaomonisan.adapter.YiZhiFuAdapter;
import bwie.com.zhoukaomonisan.bean.DingDanLieBiaoBean;
import bwie.com.zhoukaomonisan.presenter.DaiZhiFuPresenter;

/**
 * Created by lenovo on 2018/1/14.
 */

public class FragmentYiZhiFu extends Fragment implements IDaiZhifu {
    private RecyclerView rv;
    private int page=1;
    Handler handler = new Handler() {
        @Override
        public void handleMessage(Message msg) {
            super.handleMessage(msg);

            if (msg.what == 1) {
                String a = (String) msg.obj;
                yiZhiFuAdapter.notifyDataSetChanged();
                Toast.makeText(getActivity(), "跳转,查看订单" + a, Toast.LENGTH_SHORT).show();
            }
        }
    };
    private DaiZhiFuPresenter daiZhiFuPresenter;
    private YiZhiFuAdapter yiZhiFuAdapter;
    private DingDanLieBiaoBean dingDanLieBiaoBean;

    @Nullable
    @Override
    public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
        View view=inflater.inflate(R.layout.fragment_dingdan,container,false);
        rv = view.findViewById(R.id.rv);
        return view;
    }

    @Override
    public void onActivityCreated(@Nullable Bundle savedInstanceState) {
        super.onActivityCreated(savedInstanceState);
        daiZhiFuPresenter = new DaiZhiFuPresenter(this);
    }

    @Override
    public void onResume() {
        super.onResume();
        daiZhiFuPresenter.getData("https://www.zhaoapi.cn/product/getOrders",page);
    }

    @Override
    public void getSuccess(final DingDanLieBiaoBean dingDanLieBiaoBean) {
        this.dingDanLieBiaoBean=dingDanLieBiaoBean;
        getActivity().runOnUiThread(new Runnable() {
            @Override
            public void run() {
                List<DingDanLieBiaoBean.DataBean> data = dingDanLieBiaoBean.getData();
                yiZhiFuAdapter = new YiZhiFuAdapter(getActivity(), data, handler);
                rv.setAdapter(yiZhiFuAdapter);
                rv.setLayoutManager(new LinearLayoutManager(getActivity()));
            }
        });
    }
}
DaiZhiFuPresenter
package bwie.com.zhoukaomonisan.presenter;

import bwie.com.zhoukaomonisan.bean.DingDanLieBiaoBean;
import bwie.com.zhoukaomonisan.view.IDaiZhifu;
import bwie.com.zhoukaomonisan.model.DaiZhifuModel;

/**
 * Created by lenovo on 2018/1/14.
 */

public class DaiZhiFuPresenter implements IDaiZhiFuPresenter {

    private final IDaiZhifu iDaiZhifu;
    private final DaiZhifuModel daiZhifuModel;

    public DaiZhiFuPresenter(IDaiZhifu iDaiZhifu) {
        this.iDaiZhifu =iDaiZhifu;
        daiZhifuModel = new DaiZhifuModel(this);
    }
    public void getData(String url,int page){
        daiZhifuModel.getData(url,page);
    }

    @Override
    public void getSuccess(DingDanLieBiaoBean dingDanLieBiaoBean) {
        iDaiZhifu.getSuccess(dingDanLieBiaoBean);
    }
}
DaiZhifuModel
package bwie.com.zhoukaomonisan.model;

import com.google.gson.Gson;

import java.io.IOException;
import java.util.HashMap;
import java.util.Map;

import bwie.com.zhoukaomonisan.bean.DingDanLieBiaoBean;
import bwie.com.zhoukaomonisan.presenter.IDaiZhiFuPresenter;
import bwie.com.zhoukaomonisan.util.OkHttp3Util;
import okhttp3.Call;
import okhttp3.Callback;
import okhttp3.Response;

/**
 * Created by lenovo on 2018/1/14.
 */

public class DaiZhifuModel {

    private IDaiZhiFuPresenter iDaiZhiFuPresenter;

    public DaiZhifuModel(IDaiZhiFuPresenter iDaiZhiFuPresenter) {
        this.iDaiZhiFuPresenter=iDaiZhiFuPresenter;
    }
    public void getData(String url,int page){
        Map<String, String> params=new HashMap<>();
        params.put("uid", "2797");
        params.put("status", "0");
        params.put("page", page + "");
        OkHttp3Util.doPost(url, params, new Callback() {
            @Override
            public void onFailure(Call call, IOException e) {

            }

            @Override
            public void onResponse(Call call, Response response) throws IOException {
                if (response.isSuccessful()){
                    String json = response.body().string();
                    DingDanLieBiaoBean dingDanLieBiaoBean = new Gson().fromJson(json, DingDanLieBiaoBean.class);
                    iDaiZhiFuPresenter.getSuccess(dingDanLieBiaoBean);
                }
            }
        });
    }
}
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical">
    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="30dp"
        android:layout_margin="10dp"
        android:orientation="horizontal">
        <TextView
            android:id="@+id/text_title"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="ddd"/>
        <TextView
            android:layout_width="0dp"
            android:layout_weight="1"
            android:layout_height="wrap_content" />
        <TextView
            android:id="@+id/text_state"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="ssss"/>
    </LinearLayout>
    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="30dp"
        android:layout_margin="10dp"
        android:orientation="horizontal">
        <TextView
            android:id="@+id/text_price"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:textColor="#ff0000"
            android:text="ddd"/>
    </LinearLayout>
    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="40dp"
        android:layout_margin="10dp"
        android:orientation="horizontal">
        <TextView
            android:id="@+id/text_time"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="ddd"/>
        <TextView
            android:layout_width="0dp"
            android:layout_weight="1"
            android:layout_height="wrap_content" />
        <Button
            android:id="@+id/bt"
            android:layout_width="wrap_content"
            android:layout_height="match_parent"
            android:text="取消订单"/>
    </LinearLayout>
</LinearLayout>
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical">
    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="30dp"
        android:layout_margin="10dp"
        android:orientation="horizontal">
        <TextView
            android:id="@+id/text_title"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="ddd"/>
        <TextView
            android:layout_width="0dp"
            android:layout_weight="1"
            android:layout_height="wrap_content" />
        <TextView
            android:id="@+id/text_state"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="ssss"/>
    </LinearLayout>
    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="30dp"
        android:layout_margin="10dp"
        android:orientation="horizontal">
        <TextView
            android:id="@+id/text_price"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:textColor="#ff0000"
            android:text="ddd"/>
    </LinearLayout>
    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="40dp"
        android:layout_margin="10dp"
        android:orientation="horizontal">
        <TextView
            android:id="@+id/text_time"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="ddd"/>
        <TextView
            android:layout_width="0dp"
            android:layout_weight="1"
            android:layout_height="wrap_content" />
        <Button
            android:id="@+id/bt"
            android:layout_width="wrap_content"
            android:layout_height="match_parent"
            android:text="查看订单"/>
    </LinearLayout>
</LinearLayout>
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical">
    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="30dp"
        android:layout_margin="10dp"
        android:orientation="horizontal">
        <TextView
            android:id="@+id/text_title"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="ddd"/>
        <TextView
            android:layout_width="0dp"
            android:layout_weight="1"
            android:layout_height="wrap_content" />
        <TextView
            android:id="@+id/text_state"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="ssss"/>
    </LinearLayout>
    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="30dp"
        android:layout_margin="10dp"
        android:orientation="horizontal">
        <TextView
            android:id="@+id/text_price"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:textColor="#ff0000"
            android:text="ddd"/>
    </LinearLayout>
    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="40dp"
        android:layout_margin="10dp"
        android:orientation="horizontal">
        <TextView
            android:id="@+id/text_time"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="ddd"/>
        <TextView
            android:layout_width="0dp"
            android:layout_weight="1"
            android:layout_height="wrap_content" />
        <Button
            android:id="@+id/bt"
            android:layout_width="wrap_content"
            android:layout_height="match_parent"
            android:text="查看订单"/>
    </LinearLayout>
</LinearLayout>
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
    xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
    android:background="#ffffff">
    <TextView
        android:id="@+id/tv1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_margin="20dp"
        android:text="待支付"/>
    <TextView
        android:id="@+id/tv2"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_margin="20dp"
        android:text="已支付"/>
    <TextView
        android:id="@+id/tv3"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_margin="20dp"
        android:text="已取消"/>
</LinearLayout>

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