安卓1jShopDemo

来源：互联网发布：域名注册管理机构编辑：程序博客网时间：2024/05/29 19:07
<?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="mvpframework.bwie.com.yijishopdemo.view.view.MainActivity">    <TextView        android:layout_width="match_parent"        android:layout_height="40dp"        android:background="#990000ff"        android:gravity="center"        android:text="购物车"        android:textColor="#ff3660"        android:textSize="25sp" />    <android.support.v7.widget.RecyclerView        android:id="@+id/elv"        android:layout_width="match_parent"        android:layout_height="match_parent"        android:layout_weight="1" />    <RelativeLayout        android:layout_width="match_parent"        android:layout_height="50dp"        android:layout_alignParentBottom="true"        android:background="@android:color/white"        android:gravity="center_vertical">        <CheckBox            android:id="@+id/checkbox2"            android:layout_width="wrap_content"            android:layout_height="wrap_content"            android:layout_centerVertical="true"            android:layout_marginLeft="10dp"            android:focusable="false" />        <TextView            android:layout_width="wrap_content"            android:layout_height="50dp"            android:layout_centerVertical="true"            android:layout_marginLeft="10dp"            android:layout_toRightOf="@+id/checkbox2"            android:gravity="center_vertical"            android:text="全选"            android:textSize="20sp" />        <LinearLayout            android:layout_width="wrap_content"            android:layout_height="wrap_content"            android:layout_alignParentRight="true"            android:orientation="horizontal">            <TextView                android:layout_width="wrap_content"                android:layout_height="wrap_content"                android:layout_marginLeft="10dp"                android:text="合计 ：" />            <TextView                android:id="@+id/tv_price"                android:layout_width="wrap_content"                android:layout_height="50dp"                android:layout_marginLeft="10dp"                android:paddingRight="10dp"                android:text="0"                android:textColor="@android:color/holo_red_light" />            <TextView                android:id="@+id/tv_num"                android:layout_width="wrap_content"                android:layout_height="50dp"                android:background="@android:color/holo_red_dark"                android:gravity="center"                android:padding="10dp"                android:text="结算(0)"                android:textColor="@android:color/white" />        </LinearLayout>    </RelativeLayout></LinearLayout>//item布局<?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="wrap_content"    android:gravity="center_vertical"    android:orientation="vertical">    <TextView        android:id="@+id/tv_tel"        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:layout_marginLeft="10dp"        android:text="iphone6" />    <LinearLayout        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:orientation="horizontal">        <CheckBox            android:id="@+id/cb_child"            android:layout_width="wrap_content"            android:layout_height="wrap_content"            android:layout_marginTop="10dp"            android:focusable="false" />        <ImageView            android:id="@+id/iv"            android:layout_width="60dp"            android:layout_height="60dp"            android:src="@mipmap/ic_launcher"            />        <LinearLayout            android:layout_width="wrap_content"            android:layout_height="wrap_content"            android:orientation="vertical">            <TextView                android:id="@+id/tv_content"                android:layout_width="wrap_content"                android:layout_height="wrap_content"                android:layout_marginLeft="10dp"                android:text="什么手机" />            <TextView                android:id="@+id/tv_time"                android:layout_width="wrap_content"                android:layout_height="wrap_content"                android:layout_marginLeft="10dp"                android:text="2016-12-10" />        </LinearLayout>        <LinearLayout            android:layout_width="match_parent"            android:layout_height="wrap_content"            android:layout_weight="1"            android:orientation="vertical">            <TextView                android:id="@+id/tv_pri"                android:layout_width="wrap_content"                android:layout_height="wrap_content"                android:text="¥3000.00" />            <LinearLayout                android:layout_width="wrap_content"                android:layout_height="wrap_content"                android:orientation="horizontal"                >                <ImageView                    android:id="@+id/iv_del"                    android:layout_width="20dp"                    android:layout_height="20dp"                    android:src="@drawable/shopcart_minus_grey" />                <TextView                    android:id="@+id/tv_num"                    android:layout_width="wrap_content"                    android:layout_height="wrap_content"                    android:layout_marginLeft="5dp"                    android:background="@drawable/shopcart_add_btn"                    android:paddingBottom="2dp"                    android:paddingLeft="20dp"                    android:paddingRight="20dp"                    android:paddingTop="2dp"                    android:text="1" />                <ImageView                    android:id="@+id/iv_add"                    android:layout_width="20dp"                    android:layout_height="20dp"                    android:layout_marginLeft="20dp"                    android:src="@drawable/shopcart_add_red" />            </LinearLayout>        </LinearLayout>        <TextView            android:id="@+id/tv_del"            android:layout_marginLeft="40dp"            android:layout_width="wrap_content"            android:layout_height="wrap_content"            android:text="删除" />    </LinearLayout></LinearLayout>
//net包
public class App extends Application{    @Override    public void onCreate() {        super.onCreate();        ImageLoaderConfiguration configuration                =new ImageLoaderConfiguration.Builder(this).build();        ImageLoader.getInstance().init(configuration);    }}
//net包
public class Api {    public static final String url = "http://120.27.23.105/product/getCarts?uid=100";}
//net包HttpUtils
public class HttpUtils {    private static volatile HttpUtils httpUtils;     private final OkHttpClient client;    private HttpUtils(){        client= new OkHttpClient.Builder().build();    }    public static HttpUtils getHttpUtils(){        if(httpUtils == null){            synchronized (HttpUtils.class){                if(httpUtils == null){                    httpUtils=new HttpUtils();                }            }        }        return httpUtils;    }    public void doGet(String url, Callback callback){        Request request=new Request.Builder().url(url).build();        client.newCall(request).enqueue(callback);    }}
OnNetListenter类
public interface OnNetListenter<T> {    public void onSueecss(T t);    public void onFailure(Exception e);}
//model接口
public interface IMainModel {public void getShop(OnNetListenter<ShopBean> onNetListenter);}
//model继承接口
public class Mainmodel implements IMainModel {    private Handler handler=new Handler(Looper.getMainLooper());    @Override    public void getShop(final OnNetListenter<ShopBean> onNetListenter) {        HttpUtils.getHttpUtils().doGet(Api.url, new Callback() {            @Override            public void onFailure(Call call, final IOException e) {                handler.post(new Runnable() {                    @Override                    public void run() {                        onNetListenter.onFailure(e);                    }                });            }            @Override            public void onResponse(Call call, Response response) throws IOException {               String string=response.body().string();                final ShopBean shopBean=new Gson().fromJson(string,ShopBean.class);                handler.post(new Runnable() {                    @Override                    public void run() {                      onNetListenter.onSueecss(shopBean);                    }                });            }        });    }}//presenter层public class MianPresenter {    private final IMainModel iMainModel; private IMainActivity iMainActivity;    public MianPresenter(IMainActivity iMainActivity) {     this.iMainActivity=iMainActivity;        iMainModel=new Mainmodel();    }    public void getShop(){        iMainModel.getShop(new OnNetListenter<ShopBean>() {            @Override            public void onSueecss(ShopBean shopBean) {                List<ShopBean.DataBean.ListBean> childList=                        new ArrayList<>();                for(int i=0;i<shopBean.getData().size();i++){                    ShopBean.DataBean dataBean = shopBean.getData().get(i);                    List<ShopBean.DataBean.ListBean> list = dataBean.getList();                    for(int j=0;j<list.size();j++){                        childList.add(list.get(j));                    }                }                iMainActivity.showList(childList);            }            @Override            public void onFailure(Exception e) {                e.printStackTrace();            }        });    }}
//view层接口
public interface IMainActivity {    public void showList(List<ShopBean.DataBean.ListBean> lsit); }//view层继承接口public class MainActivity extends AppCompatActivity implements IMainActivity {    private CheckBox mCheckbox2;    private TextView mPriceTv;    private TextView mNumTv;    private MianPresenter mianPresenter;    private RecyclerView mElv;   private MyAdapter adapter;    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_main);        initView();       new MianPresenter(this).getShop();        //注册        EventBus.getDefault().register(this);        mElv.setLayoutManager(new LinearLayoutManager(this));        mCheckbox2.setOnClickListener(new View.OnClickListener() {            @Override            public void onClick(View view) {                adapter.allSelect(mCheckbox2.isChecked());            }        });    }    private void initView() {        mCheckbox2 = (CheckBox) findViewById(R.id.checkbox2);        mPriceTv = (TextView) findViewById(R.id.tv_price);        mNumTv = (TextView) findViewById(R.id.tv_num);        mElv = (RecyclerView) findViewById(R.id.elv);    }    @Override    public void showList(List<ShopBean.DataBean.ListBean> lsit) {        adapter=new MyAdapter(this,lsit);        mElv.setAdapter(adapter);    }    @Subscribe    public void onMessageEvent(MessageEvent event){        mCheckbox2.setChecked(event.isChecked());    }    //接收价格    @Subscribe    public void onMessageEvent(PriceAndCountEvent event) {        mNumTv.setText("结算(" + event.getCount() + ")");        mPriceTv.setText(event.getPrice() + "");    }    @Override    protected void onDestroy() {        super.onDestroy();        EventBus.getDefault().unregister(this);    }}
//myadapter类
public class MyAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder> {    private List<ShopBean.DataBean.ListBean> list;    private Context context;    public MyAdapter(Context context, List<ShopBean.DataBean.ListBean> list) {        this.context = context;        this.list = list;    }    @Override    public RecyclerView.ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {        View view = LayoutInflater.from(context).inflate(R.layout.activity_second, parent, false);        return new MyViewHolder(view);    }    @Override    public void onBindViewHolder(RecyclerView.ViewHolder holder, final int position) {        final ShopBean.DataBean.ListBean dataBean = list.get(position);        final MyViewHolder myViewHolder = (MyViewHolder) holder;        myViewHolder.mChildCb.setChecked(dataBean.isChecked());        myViewHolder.mTelTv.setText(dataBean.getTitle());        myViewHolder.mTimeTv.setText(dataBean.getCreatetime());        myViewHolder.mPriTv.setText(dataBean.getPrice() + "");        myViewHolder.mNumTv.setText(dataBean.getNum() + "");        String[] split=dataBean.getImages().split("\\|");        ImageLoader.getInstance().displayImage(split[0] ,myViewHolder.mIv);        myViewHolder.mChildCb.setOnClickListener(new View.OnClickListener() {            @Override            public void onClick(View v) {                //设置该条目对象里的checked属性值                dataBean.setChecked(myViewHolder.mChildCb.isChecked());                for (int i=0;i<list.size();i++){                    PriceAndCountEvent compute = compute();                    EventBus.getDefault().post(compute);                    if(myViewHolder.mChildCb.isChecked()){                      if(isAllCbSelected()){                          //改变"全选"状态                          changeAllCbState(true);                      }                    }else{                        changeAllCbState(false);                    }                    notifyDataSetChanged();                }            }        });        //删除       myViewHolder.mDelTv.setOnClickListener(new View.OnClickListener() {           @Override           public void onClick(View v) {             list.remove(position);               EventBus.getDefault().post(compute());               notifyDataSetChanged();           }       });        //加         myViewHolder.mAddIv.setOnClickListener(new View.OnClickListener() {             @Override             public void onClick(View v) {         int num=dataBean.getNum();                 myViewHolder.mNumTv.setText(++num+"");                 dataBean.setNum(num);                 if(myViewHolder.mChildCb.isChecked()){                     PriceAndCountEvent priceAndCountEvent=compute();                     EventBus.getDefault().post(priceAndCountEvent);                 }             }         });        //减        myViewHolder.mDelIv.setOnClickListener(new View.OnClickListener() {            @Override            public void onClick(View v) {              int num=dataBean.getNum();                if(num == 1){                    return;                }                myViewHolder.mNumTv.setText(--num+"");                dataBean.setNum(num);                if(myViewHolder.mChildCb.isChecked()){                    PriceAndCountEvent priceAndCountEvent=compute();                    EventBus.getDefault().post(priceAndCountEvent);                }            }        });    }    @Override    public int getItemCount() {        return list.size();    }    class MyViewHolder extends RecyclerView.ViewHolder {        private TextView mTelTv;        private CheckBox mChildCb;        private ImageView mIv;        private TextView mContentTv;        private TextView mTimeTv;        private TextView mPriTv;        private ImageView mDelIv;        private TextView mNumTv;        private ImageView mAddIv;        private TextView mDelTv;        public MyViewHolder(View itemView) {            super(itemView);            mTelTv = (TextView) itemView.findViewById(R.id.tv_tel);            mChildCb = (CheckBox) itemView.findViewById(R.id.cb_child);            mIv = (ImageView) itemView.findViewById(R.id.iv);            mContentTv = (TextView) itemView.findViewById(R.id.tv_content);            mTimeTv = (TextView) itemView.findViewById(R.id.tv_time);            mPriTv = (TextView) itemView.findViewById(R.id.tv_pri);            mDelIv = (ImageView) itemView.findViewById(R.id.iv_del);            mNumTv = (TextView) itemView.findViewById(R.id.tv_num);            mAddIv = (ImageView) itemView.findViewById(R.id.iv_add);            mDelTv = (TextView) itemView.findViewById(R.id.tv_del);        }    }    private void changeAllCbState(boolean flag) {        MessageEvent messageEvent = new MessageEvent();        messageEvent.setChecked(flag);        EventBus.getDefault().post(messageEvent);    }    private boolean isAllCbSelected() {        for (int i = 0; i < list.size(); i++) {            ShopBean.DataBean.ListBean listBean = list.get(i);            if (!listBean.isChecked()) {                return false;            }        }        return true;    }    //计算价格private PriceAndCountEvent compute(){    int price=0;    int count=0;    for(int i=0;i<list.size();i++){        ShopBean.DataBean.ListBean listBean = list.get(i);         if(listBean.isChecked()){             price+= listBean.getPrice()* listBean.getNum();             count+=listBean.getNum();         }    }    PriceAndCountEvent priceAndCountEvent=new PriceAndCountEvent();    priceAndCountEvent.setPrice(price);    priceAndCountEvent.setCount(count);    return  priceAndCountEvent;}    public void allSelect(boolean flag) {        for (int i = 0; i < list.size(); i++) {            ShopBean.DataBean.ListBean beans = list.get(i);            beans.setChecked(flag);        }        EventBus.getDefault().post(compute());        notifyDataSetChanged();    }}
//eventbusevent  购物车连接主页面的功能;//MessageEvent
public class MessageEvent {    private boolean checked;    public boolean isChecked() {        return checked;    }    public void setChecked(boolean checked) {        this.checked = checked;    }}
//PriceAndCountEvent
public class PriceAndCountEvent {    private int price;    private int count;    public int getPrice() {        return price;    }    public void setPrice(int price) {        this.price = price;    }    public int getCount() {        return count;    }    public void setCount(int count) {        this.count = count;    }}
//Bean要加两个方法
//private boolean checked;
//public boolean isChecked() { //   return checked;//}//public void setChecked(boolean checked) {  //  this.checked = checked;//}
阅读全文
0 0