京东订单

<? xml version= "1.0" encoding= "utf-8" ?>

< RelativeLayout

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 :background= "#7878"

tools :context= "com.example.liuwei20180427.view.MainActivity">

< RelativeLayout

android :id= "@+id/top"

android :layout_width= "match_parent"

android :layout_height= "50dp">

< TextView

android :layout_width= "wrap_content"

android :layout_height= "wrap_content"

android :layout_centerInParent= "true"

android :text= "订单列表"

android :textColor= "#000"

android :textSize= "22sp" />

</ RelativeLayout>

< View

android :layout_width= "match_parent"

android :layout_height= "1dp"

android :layout_below= "@id/top"

android :background= "#787878" />

< android.support.design.widget.TabLayout

android :id= "@+id/myTab"

android :layout_width= "match_parent"

android :layout_height= "50dp"

android :layout_below= "@id/top"

android :layout_marginTop= "10dp"

app :tabGravity= "fill"

app :tabIndicatorColor= "@color/colorAccent"

app :tabMode= "fixed"

app :tabSelectedTextColor= "@color/colorPrimaryDark"

app :tabTextColor= "@color/colorPrimary">

</ android.support.design.widget.TabLayout>

< View

android :layout_width= "match_parent"

android :layout_height= "1dp"

android :layout_below= "@id/myTab"

android :background= "#787878" />

< android.support.v4.view.ViewPager

android :id= "@+id/viewPage"

android :layout_width= "match_parent"

android :layout_height= "match_parent"

android :layout_below= "@id/myTab"

android :layout_marginTop= "10dp">

</ android.support.v4.view.ViewPager>

</ RelativeLayout>

public class MainActivity extends AppCompatActivity {

private TabLayout myTab;

private ViewPager viewPage;

private String[] title = { "待支付", "已支付", "已取消"};

private String[] urlTitle = { "0", "1", "2"};

private MyAdapter myAdapter;

@Override

protected void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout. activity_main);

//初始化

initView();

myAdapter = new MyAdapter(getSupportFragmentManager());

viewPage.setAdapter( myAdapter);

myTab.setupWithViewPager( viewPage); }

private void initView() {

myTab = findViewById(R.id. myTab);

viewPage = findViewById(R.id. viewPage);

}

private class MyAdapter extends FragmentPagerAdapter {

public MyAdapter(FragmentManager supportFragmentManager) {

super(supportFragmentManager);

}

@Override

public CharSequence getPageTitle( int position) {

return title[position];

}

@Override

public Fragment getItem( int position) {

//创建对象并返回

Bundle bundle = new Bundle();

bundle.putString( "url", urlTitle[position]);

//实例化

PayFragment payFragment = new PayFragment();

payFragment.setArguments(bundle);

return payFragment;

}

@Override

public int getCount() {

return title. length;

}

//封装的OKHTTP

public class HttpUtils {
    //单例模式，把构造方法进行私有化
    private HttpUtils(){};
    static  OkHttpClient client;


    public static OkHttpClient getInstance(){


        if (client==null) {
            //更加安全
            synchronized (HttpUtils.class) {
                //缓存的地方     mnt/sdcard
                File file = new File(Environment.getExternalStorageDirectory(), "cache11");
                client = new OkHttpClient().newBuilder()
                        .readTimeout(3000, TimeUnit.SECONDS)   //设置读取超时时间
                        .connectTimeout(3000, TimeUnit.SECONDS) //设置连接的超时时间

                        .cache(new Cache(file, 10 * 1024))
                        .build();
            }
        }
        return client;
    }

    //post请求
    public static void doPost(String url, Map<String,String> parms, Callback callback){

        //得到客户端的对像
        OkHttpClient client = getInstance();

        //不是FormBody，而是一个Builder
        FormBody.Builder body = new FormBody.Builder();
        //key   value
        for (String key:parms.keySet()){
            //value的值
            body.add(key,parms.get(key));
        }
        Request request = new Request.Builder()
                .url(url)
                .post(body.build())
                .build();

        client.newCall(request).enqueue(callback);

    }



}

//m层

public class MyModel implements MyModelView{

@Override

public void toModel(String uid, String urlTitle, final MyPresenterView presenterView) {

OkHttpClient instance = HttpUtils. getInstance();

HashMap<String,String> hashMap = new HashMap<>();

hashMap.put( "uid", uid);

if (urlTitle.trim().equals( "9")) {

} else {

hashMap.put( "status", urlTitle); }

HttpUtils. doPost( "http://120.27.23.105/product/getOrders", hashMap, new Callback() {

@Override

public void onFailure(Call call, IOException e) {

}

@Override

public void onResponse(Call call, Response response) throws IOException {

String str = response.body().string();

if (str != null) {

Gson gson = new Gson();

JsonPayBean jsonPayBean = gson.fromJson(str, JsonPayBean. class);

if (jsonPayBean != null) {

List<JsonPayBean.DataBean> data = jsonPayBean.getData();

if (data != null) { presenterView.toPresenter(data);

} } } } }); }}

//p层

public class MyPresenter implements MyPresenterView {

LogView logView;

private MyModelView modelView;

public MyPresenter(LogView logView){

this. logView = logView;

modelView = new MyModel();

};

@Override

public void toPresenter(List<JsonPayBean.DataBean> data) {

logView.toBasckView(data);

}

@Override

public void receive(String uid, String urlTitle) {

modelView.toModel(uid,urlTitle, this);

}

//内存泄漏

public void onDestroy() {

logView = null; System. gc();

}

//v层

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= "match_parent">

< android.support.v7.widget.RecyclerView

android :background= "#EBEBEB"

android :layout_width= "match_parent"

android :layout_height= "match_parent"

android :id= "@+id/recyclerView" >

</ android.support.v7.widget.RecyclerView>

</ RelativeLayout>

//主页面

public class PayFragment extends Fragment implements LogView{

private MyPresenterView presenterView;

MyRecyclerViewAdapter myAdapter;

String uid= "71";

private View view;

private RecyclerView rcy;

private Handler handler = new Handler(){

@Override

public void handleMessage(Message msg) {

super.handleMessage(msg);

List<JsonPayBean.DataBean> data = (List<JsonPayBean.DataBean>) msg. obj;

rcy.setLayoutManager( new LinearLayoutManager(getActivity(), LinearLayoutManager. VERTICAL, false));

myAdapter = new MyRecyclerViewAdapter(getActivity(), data);

rcy.setAdapter( myAdapter);

}

};

@Nullable

@Override

public View onCreateView(LayoutInflater inflater,

@Nullable ViewGroup container,

@Nullable Bundle savedInstanceState) {

view = View. inflate(getActivity(), R.layout. activity_pay, null);

return view;

}

@Override

public void onActivityCreated( @Nullable Bundle savedInstanceState) {

super.onActivityCreated(savedInstanceState);

initView();

//初始化数据

Bundle bundle = getArguments();

String urlTitle = bundle.getString( "url").toString();

presenterView = new MyPresenter( this);

presenterView.receive( uid,urlTitle);

}

private void initView() {

rcy = view.findViewById(R.id. recyclerView);

}

@Override

public void toBasckView(List<JsonPayBean.DataBean> data) {

Message msg = Message. obtain();

msg. obj = data;

handler.sendMessage(msg);

}

//内存泄漏

@Override

public void onDestroy() {

super.onDestroy();

if( presenterView!= null){

presenterView.onDestroy();

presenterView= null;

System. gc();

}

//适配器

public class MyRecyclerViewAdapter extends RecyclerView.Adapter {
    Context context;
    List<JsonPayBean.DataBean> list;
    public MyRecyclerViewAdapter(Context context, List<JsonPayBean.DataBean> list) {
        this.context=context;
        this.list=list;
    }

    @Override
    public RecyclerView.ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
        View inflate = View.inflate(context, R.layout.item_model, null);

        MyHolder myHolder = new MyHolder(inflate);


        return myHolder;
    }

    @Override
    public void onBindViewHolder(RecyclerView.ViewHolder holder, int position) {

        MyHolder myViewHolder = (MyHolder) holder;
        final JsonPayBean.DataBean dataBean = list.get(position);
        myViewHolder.tvTitle.setText(dataBean.getTitle());
        int status = dataBean.getStatus();
        myViewHolder.tvBt.setText("查看订单");
        myViewHolder.tvStatus.setTextColor(Color.parseColor("#000000"));
        if (status == 0) {
            myViewHolder.tvStatus.setText("待支付");
            myViewHolder.tvBt.setText("取消订单");
            myViewHolder.tvStatus.setTextColor(Color.parseColor("#ff0000"));

            myViewHolder.tvBt.setOnClickListener(new View.OnClickListener() {
                @Override
                public void onClick(View v) {
                    Retrofit retrofit = new Retrofit.Builder()
                            .baseUrl("https://www.zhaoapi.cn/product/")
                            .addConverterFactory(GsonConverterFactory.create())
                            .build();

                    Api api = retrofit.create(Api.class);
                    api.doGet("71","2",dataBean.getOrderid()).enqueue(new Callback<QuxiaoBean>() {
                        @Override
                        public void onResponse(Call<QuxiaoBean> call, Response<QuxiaoBean> response) {
                            AlertDialog.Builder builder = new AlertDialog.Builder(
                                    context);
                            builder.setTitle("提示");
                            builder.setMessage("确定取消吗？");
                            builder.setIcon(R.drawable.ic_launcher_background);
                            builder.setPositiveButton("确定", new DialogInterface.OnClickListener() {
                                @Override
                                public void onClick(DialogInterface dialog, int which) {
                                    Toast.makeText(context,"确定取消了",Toast.LENGTH_SHORT).show();
                                }
                            });
                            builder.setNegativeButton("取消了", new DialogInterface.OnClickListener() {
                                @Override
                                public void onClick(DialogInterface dialog, int which) {
                                    Toast.makeText(context,"不取消了",Toast.LENGTH_SHORT).show();
                                }
                            });
                            builder.show();


                        }

                        @Override
                        public void onFailure(Call<QuxiaoBean> call, Throwable t) {

                        }
                    });
                }
            });
        } else if (status == 2) {
            myViewHolder.tvStatus.setText("已取消");
        } else if (status == 1) {
            myViewHolder.tvStatus.setText("已支付");

        }
        myViewHolder.tvPrice.setText("价格：" + dataBean.getOrderid());
        myViewHolder.tvPrice.setTextColor(Color.parseColor("#ff0000"));
        myViewHolder.tvTime.setText(dataBean.getCreatetime());


    }

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

    class MyHolder extends RecyclerView.ViewHolder{

        private final TextView tvTitle;
        private final TextView tvStatus;
        private final TextView tvPrice;
        private final TextView tvTime;
        private final Button tvBt;


        public MyHolder(View view) {
            super(view);

            tvStatus = view.findViewById(R.id.dingdan);
            tvTitle = view.findViewById(R.id.name);
            tvPrice = view.findViewById(R.id.price);
            tvBt = view.findViewById(R.id.quxiao);
            tvTime = view.findViewById(R.id.time);
        }
    }

//适配器布局

<?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="match_parent">

    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:id="@+id/name"
        />
    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_below="@id/name"
        android:id="@+id/price"
        android:textColor="#ff00"
        android:layout_marginTop="10dp"
        />
    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_below="@id/price"
        android:id="@+id/time"
        android:layout_marginTop="10dp"
        />
    <Button
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="取消"
        android:id="@+id/quxiao"
        android:layout_alignParentRight="true"
        />
    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="查看订单"
        android:layout_alignParentRight="true"
        android:id="@+id/dingdan"
        android:layout_below="@id/quxiao"
        android:layout_marginTop="15dp"
        />
</RelativeLayout>

//m层

//p层

//v层

//适配器

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