MainActivity
/**
* @author dingtao
* @date 2018/12/18 14:14
* 防餓了麼,外賣點餐
*/
public class ShopCartActivity1 extends AppCompatActivity implements
DataCall<List<Shop>> {
//聲明AMapLocationClient類對象
// public AMapLocationClient mLocationClient = null;
private TextView mSumPrice;
private TextView mCount;
private RecyclerView mLeftRecycler, mRightRecycler;
private LeftAdapter mLeftAdapter;
private RightAdapter mRightAdapter;
private CartPresenter cartPresenter = new CartPresenter(this);
private TextView ding;
private Button er;
@Override
protected void onCreate(@Nullable Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_cart);
mSumPrice = findViewById(R.id.goods_sum_price);
mCount = findViewById(R.id.goods_number);
mLeftRecycler = findViewById(R.id.left_recycler);
mRightRecycler = findViewById(R.id.right_recycler);
er = findViewById(R.id.er);
er.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
Intent intent = new Intent(ShopCartActivity1.this,ErActivity.class);
startActivity(intent);
}
});
/*//擷取定位
ding = findViewById(R.id.ding);
location();
ding.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
//啟動定位
mLocationClient.startLocation();
}
});*/
mLeftRecycler.setLayoutManager(new LinearLayoutManager(this));
mRightRecycler.setLayoutManager(new LinearLayoutManager(this));
mLeftAdapter = new LeftAdapter();
mLeftAdapter.setOnItemClickListenter(new LeftAdapter.OnItemClickListenter() {
@Override
public void onItemClick(Shop shop) {
mRightAdapter.clearList();//清空資料
mRightAdapter.addAll(shop.getList());
mRightAdapter.notifyDataSetChanged();
}
});
mLeftRecycler.setAdapter(mLeftAdapter);
mRightAdapter = new RightAdapter(this);
mRightAdapter.setOnNumListener(new RightAdapter.OnNumListener() {
@Override
public void onNum() {
calculatePrice(mLeftAdapter.getList());
}
});
mRightRecycler.setAdapter(mRightAdapter);
cartPresenter.requestData();
}
@Override
public void success(List<Shop> data) {
calculatePrice(data);//計算價格和數量
mLeftAdapter.addAll(data);//左邊的添加類型
//得到預設選中的shop,設定上顔色和背景
Shop shop = data.get(1);
shop.setTextColor(0xff000000);
shop.setBackground(R.color.white);
mRightAdapter.addAll(shop.getList());
mLeftAdapter.notifyDataSetChanged();
mRightAdapter.notifyDataSetChanged();
}
@Override
public void fail(Result result) {
Toast.makeText(this, result.getCode() + " " + result.getMsg(), Toast.LENGTH_LONG).show();
}
/**
* @author dingtao
* @date 2018/12/18 7:01 PM
* 計算總價格
*/
private void calculatePrice(List<Shop> shopList) {
double totalPrice = 0;
int totalNum = 0;
for (int i = 0; i < shopList.size(); i++) {//循環的商家
Shop shop = shopList.get(i);
for (int j = 0; j < shop.getList().size(); j++) {
Goods goods = shop.getList().get(j);
//計算價格
totalPrice = totalPrice + goods.getNum() * goods.getPrice();
totalNum += goods.getNum();//計數
}
}
mSumPrice.setText("價格:" + totalPrice);
mCount.setText("" + totalNum);
}
/*void location() {
//初始化定位
mLocationClient = new AMapLocationClient(getApplicationContext());
//異步擷取定位結果
AMapLocationListener mAMapLocationListener = new AMapLocationListener() {
@Override
public void onLocationChanged(AMapLocation amapLocation) {
if (amapLocation != null) {
if (amapLocation.getErrorCode() == 0) {
//解析定位結果
ding.setText(amapLocation.getAddress());
Toast.makeText(ShopCartActivity1.this, "" + amapLocation.getAddress(), Toast.LENGTH_SHORT).show();
mLocationClient.stopLocation();
}
}
}
};
//設定定位回調監聽
mLocationClient.setLocationListener(mAMapLocationListener);
}*/
}
//總布局
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical">
<!--<TextView
android:id="@+id/ding"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="擷取定位"/>-->
<Button
android:id="@+id/er"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="田"/>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_weight="1"
android:orientation="horizontal">
<android.support.v7.widget.RecyclerView
android:id="@+id/left_recycler"
android:layout_width="100dp"
android:layout_height="match_parent"
android:background="@color/grayblack">
</android.support.v7.widget.RecyclerView>
<android.support.v7.widget.RecyclerView
android:id="@+id/right_recycler"
android:layout_width="match_parent"
android:layout_height="match_parent">
</android.support.v7.widget.RecyclerView>
</LinearLayout>
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="80dp">
<ImageView
android:id="@+id/shop_car_image"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerVertical="true"
android:layout_marginLeft="10dp"
android:src="@drawable/gouwuc_r" />
<TextView
android:id="@+id/goods_sum_price"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentRight="true"
android:text="價格:"
android:layout_marginLeft="20dp"
android:layout_centerVertical="true"/>
<TextView
android:id="@+id/goods_number"
android:layout_width="30dp"
android:layout_height="30dp"
android:textSize="10sp"
android:gravity="center"
android:textColor="@color/white"
android:layout_marginLeft="-10dp"
android:background="@drawable/circle_red_bg"
android:layout_alignParentTop="true"
android:layout_toEndOf="@+id/shop_car_image"
android:text="7"
android:layout_toRightOf="@+id/shop_car_image" />
</RelativeLayout>
</LinearLayout>
//加一減一布局
<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="wrap_content"
android:layout_height="wrap_content"
android:orientation="horizontal">
<TextView
android:id="@+id/btn_add"
android:layout_width="30dp"
android:layout_height="30dp"
android:background="@drawable/car_btn_bg"
android:focusable="false"
android:textSize="20sp"
android:gravity="center"
android:text="+" />
<TextView
android:id="@+id/text_number"
android:layout_width="60dp"
android:layout_height="30dp"
android:gravity="center"
android:textSize="14sp"
android:text="1000" />
<TextView
android:id="@+id/btn_sub"
android:layout_width="30dp"
android:layout_height="30dp"
android:textSize="20sp"
android:focusable="false"
android:gravity="center"
android:background="@drawable/car_btn_bg"
android:text="-" />
</LinearLayout>
左側布局
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical" android:layout_width="match_parent"
android:layout_height="match_parent">
<TextView
android:id="@+id/left_text"
android:layout_width="100dp"
android:layout_height="50dp"
android:textSize="16sp"
android:gravity="center"
android:textColor="@color/white"
android:text="aa" />
</LinearLayout>
//右側布局
<RelativeLayout
xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:padding="10dp"
android:layout_marginLeft="10dp"
android:layout_marginRight="10dp"
android:background="@drawable/search_edit_bg"
android:orientation="horizontal">
<ImageView
android:id="@+id/image"
android:layout_width="100dp"
android:layout_height="wrap_content"
android:adjustViewBounds="true"
android:minHeight="50dp"
android:layout_alignParentLeft="true"
android:src="@mipmap/ic_launcher"/>
<TextView
android:id="@+id/text"
android:layout_toRightOf="@+id/image"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginTop="10dp"
android:text="aa"
android:padding="10dp"/>
<TextView
android:id="@+id/text_price"
android:layout_toRightOf="@+id/image"
android:layout_below="@+id/text"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginTop="10dp"
android:text="價格"
android:padding="10dp"/>
<com.bawie.liu.app2.activity.AddSubLayout
android:id="@+id/add_sub_layout"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentRight="true"
android:layout_alignParentBottom="true"
android:layout_marginRight="20dp"
android:layout_marginBottom="20dp"/>
</RelativeLayout>
//自定義view(加減)
public class AddSubLayout extends LinearLayout implements View.OnClickListener {
private TextView mAddBtn,mSubBtn;
private TextView mNumText;
private AddSubListener addSubListener;
public AddSubLayout(Context context) {
super(context);
initView();
}
public AddSubLayout(Context context, AttributeSet attrs) {
super(context, attrs);
initView();
}
public AddSubLayout(Context context, AttributeSet attrs, int defStyleAttr) {
super(context, attrs, defStyleAttr);
initView();
}
@RequiresApi(api = Build.VERSION_CODES.LOLLIPOP)
public AddSubLayout(Context context, AttributeSet attrs, int defStyleAttr, int defStyleRes) {
super(context, attrs, defStyleAttr, defStyleRes);
initView();
}
private void initView(){
//加載layout布局,第三個參數ViewGroup一定寫成this
View view = View.inflate(getContext(),R.layout.car_add_sub_layout,this);
mAddBtn = view.findViewById(R.id.btn_add);
mSubBtn = view.findViewById(R.id.btn_sub);
mNumText = view.findViewById(R.id.text_number);
mAddBtn.setOnClickListener(this);
mSubBtn.setOnClickListener(this);
}
@Override
protected void onLayout(boolean changed, int l, int t, int r, int b) {
super.onLayout(changed, l, t, r, b);
int width = r-l;//getWidth();
int height = b-t;//getHeight();
}
@Override
public void onClick(View v) {
int number = Integer.parseInt(mNumText.getText().toString());
switch (v.getId()){
case R.id.btn_add:
number++;
mNumText.setText(number+"");
break;
case R.id.btn_sub:
if (number==0){
Toast.makeText(getContext(),"數量不能小于0",Toast.LENGTH_LONG).show();
return;
}
number--;
mNumText.setText(number+"");
break;
}
if (addSubListener!=null){
addSubListener.addSub(number);
}
}
public void setCount(int count) {
mNumText.setText(count+"");
}
public void setAddSubListener(AddSubListener addSubListener) {
this.addSubListener = addSubListener;
}
public interface AddSubListener{
void addSub(int count);
}
}
//左邊擴充卡
public class LeftAdapter extends RecyclerView.Adapter<LeftAdapter.MyHolder> {
private List<Shop> mList = new ArrayList<>();
public void addAll(List<Shop> list){
mList.addAll(list);
}
@NonNull
@Override
public MyHolder onCreateViewHolder(@NonNull ViewGroup viewGroup, int i) {
View view = View.inflate(viewGroup.getContext(), R.layout.recycler_left_item,null);
MyHolder myHolder = new MyHolder(view);
return myHolder;
}
@Override
public void onBindViewHolder(@NonNull final MyHolder myHolder, int i) {
final Shop shop = mList.get(i);
myHolder.text.setText(shop.getSellerName());
myHolder.text.setBackgroundResource(shop.getBackground());
myHolder.text.setTextColor(shop.getTextColor());
myHolder.itemView.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
for (int j = 0; j <mList.size() ; j++) {
mList.get(j).setTextColor(0xffffffff);
mList.get(j).setBackground(R.color.grayblack);
}
shop.setBackground(R.color.white);
shop.setTextColor(0xff000000);
notifyDataSetChanged();
onItemClickListenter.onItemClick(shop);//切換右邊的清單
}
});
}
@Override
public int getItemCount() {
return mList.size();
}
public List<Shop> getList() {
return mList;
}
class MyHolder extends RecyclerView.ViewHolder{
TextView text;
public MyHolder(@NonNull View itemView) {
super(itemView);
text = itemView.findViewById(R.id.left_text);
}
}
private OnItemClickListenter onItemClickListenter;
public void setOnItemClickListenter(OnItemClickListenter onItemClickListenter) {
this.onItemClickListenter = onItemClickListenter;
}
public interface OnItemClickListenter{
void onItemClick(Shop shop);
}
}
//右邊擴充卡
public class RightAdapter extends RecyclerView.Adapter<RightAdapter.ChildHolder> {
private List<Goods> mList = new ArrayList<>();
private Context context;
public RightAdapter(Context context) {
this.context = context;
}
public void addAll(List<Goods> list) {
mList.addAll(list);
}
@NonNull
@Override
public ChildHolder onCreateViewHolder(@NonNull ViewGroup viewGroup, int viewType) {
View view = View.inflate(viewGroup.getContext(), R.layout.recycler_right_item, null);
ChildHolder myHolder = new ChildHolder(view);
return myHolder;
}
@Override
public void onBindViewHolder(@NonNull ChildHolder childHolder, int position) {
final Goods goods = mList.get(position);
childHolder.text.setText(goods.getTitle());
childHolder.price.setText("單價:" + goods.getPrice());//單價
String imageurl = "https" + goods.getImages().split("https")[1];
Log.i("dt", "imageUrl: " + imageurl);
imageurl = imageurl.substring(0, imageurl.lastIndexOf(".jpg") + ".jpg".length());
Glide.with(context).load(imageurl).into(childHolder.image);//加載圖檔
childHolder.addSub.setCount(goods.getNum());//設定商品數量
childHolder.addSub.setAddSubListener(new AddSubLayout.AddSubListener() {
@Override
public void addSub(int count) {
goods.setNum(count);
onNumListener.onNum();//計算價格
}
});
}
@Override
public int getItemCount() {
return mList.size();
}
public void clearList() {
mList.clear();
}
class ChildHolder extends RecyclerView.ViewHolder {
TextView text;
TextView price;
ImageView image;
AddSubLayout addSub;
public ChildHolder(@NonNull View itemView) {
super(itemView);
text = itemView.findViewById(R.id.text);
price = itemView.findViewById(R.id.text_price);
image = itemView.findViewById(R.id.image);
addSub = itemView.findViewById(R.id.add_sub_layout);
}
}
private OnNumListener onNumListener;
public void setOnNumListener(OnNumListener onNumListener) {
this.onNumListener = onNumListener;
}
public interface OnNumListener{
void onNum();
}
}
//接口
public interface DataCall<T> {
void success(T data);
void fail(Result result);
}
//Bean類
public class Goods {
private double bargainPrice;
private String createtime;
private String detailUrl;
private String images;
private int num;
private int pid;
private double price;
private int pscid;
private int selected;
private int sellerid;
private String subhead;
private String title;
private int count=1;
public void setCount(int count) {
this.count = count;
}
public int getCount() {
return count;
}
public double getBargainPrice() {
return bargainPrice;
}
public void setBargainPrice(double bargainPrice) {
this.bargainPrice = bargainPrice;
}
public String getCreatetime() {
return createtime;
}
public void setCreatetime(String createtime) {
this.createtime = createtime;
}
public String getDetailUrl() {
return detailUrl;
}
public void setDetailUrl(String detailUrl) {
this.detailUrl = detailUrl;
}
public String getImages() {
return images;
}
public void setImages(String images) {
this.images = images;
}
public int getNum() {
return num;
}
public void setNum(int num) {
this.num = num;
}
public int getPid() {
return pid;
}
public void setPid(int pid) {
this.pid = pid;
}
public double getPrice() {
return price;
}
public void setPrice(double price) {
this.price = price;
}
public int getPscid() {
return pscid;
}
public void setPscid(int pscid) {
this.pscid = pscid;
}
public int getSelected() {
return selected;
}
public void setSelected(int selected) {
this.selected = selected;
}
public int getSellerid() {
return sellerid;
}
public void setSellerid(int sellerid) {
this.sellerid = sellerid;
}
public String getSubhead() {
return subhead;
}
public void setSubhead(String subhead) {
this.subhead = subhead;
}
public String getTitle() {
return title;
}
public void setTitle(String title) {
this.title = title;
}
}
//result
public class Result<T> {
private String msg;
private String code;
private T data;
public String getMsg() {
return msg;
}
public void setMsg(String msg) {
this.msg = msg;
}
public String getCode() {
return code;
}
public void setCode(String code) {
this.code = code;
}
public T getData() {
return data;
}
public void setData(T data) {
this.data = data;
}
public static class DataBean {
}
}
//Shop
public class Shop {
List<Goods> list;
String sellerName;
String sellerid;
int textColor = 0xffffffff;
int background = R.color.grayblack;
boolean check;
public void setTextColor(int textColor) {
this.textColor = textColor;
}
public int getTextColor() {
return textColor;
}
public void setBackground(int background) {
this.background = background;
}
public int getBackground() {
return background;
}
public void setCheck(boolean check) {
this.check = check;
}
public boolean isCheck() {
return check;
}
public List<Goods> getList() {
return list;
}
public void setList(List<Goods> list) {
this.list = list;
}
public String getSellerName() {
return sellerName;
}
public void setSellerName(String sellerName) {
this.sellerName = sellerName;
}
public String getSellerid() {
return sellerid;
}
public void setSellerid(String sellerid) {
this.sellerid = sellerid;
}
}
//Modle層
public class CartModel {
public static Result goodsList() {
String resultString = HttpUtils.get("http://www.zhaoapi.cn/product/getCarts?uid=71");
try {
Gson gson = new Gson();
Type type = new TypeToken<Result<List<Shop>>>() {
}.getType();
Result result = gson.fromJson(resultString, type);
// Result<List<Goods>> result = new Result<>();
// result.setCode(0);
// List<Goods> list = new ArrayList<>();
// for (int i = 0; i < 30; i++) {
// Goods goods = new Goods();
// goods.setImages("");
// goods.setTitle("手機"+i);
// list.add(goods);
// }
// result.setData(list);
return result;
} catch (Exception e) {
}
Result result = new Result();
result.setCode("-1");
result.setMsg("資料解析異常");
return result;
}
}
//BasePresenter
public abstract class BasePresenter {
DataCall dataCall;
public BasePresenter(DataCall dataCall){
this.dataCall = dataCall;
}
Handler mHandler = new Handler(Looper.getMainLooper()) {
@Override
public void handleMessage(Message msg) {
Result result = (Result) msg.obj;
if (result.getCode().equals("0")){
dataCall.success(result.getData());
}else{
dataCall.fail(result);
}
}
};
public void requestData(final Object...args){
new Thread(new Runnable() {
@Override
public void run() {
Message message = mHandler.obtainMessage();
message.obj = getData(args);
mHandler.sendMessage(message);
}
}).start();
}
protected abstract Result getData(Object...args);
public void unBindCall(){
this.dataCall = null;
}
}
//CarPresenter
public class CartPresenter extends BasePresenter {
public CartPresenter(DataCall dataCall) {
super(dataCall);
}
@Override
protected Result getData(Object... args) {
Result result = CartModel.goodsList();//調用網絡請求擷取資料
return result;
}
}
circle_red_bg.xml
<shape xmlns:android="http://schemas.android.com/apk/res/android"
android:shape="oval">
<solid
android:color="#D81B60"></solid>
</shape>
Color
<?xml version="1.0" encoding="utf-8"?>
<resources>
<color name="colorPrimary">#008577</color>
<color name="colorPrimaryDark">#00574B</color>
<color name="colorAccent">#D81B60</color>
<color name="white">#FFFFFF</color> <!-- 白色 -->
<color name="black">#000000</color> <!-- 黑色 -->
<color name="thinblue">#4186c9</color> <!-- 淡藍色 -->
<color name="transparent">#00000000</color> <!-- 透明 -->
<color name="thingray">#dae8f5</color> <!-- 淡灰色 -->
<color name="thinwhite">#c6daf0</color> <!-- 淺白色 -->
<color name="gray">#ececec</color> <!-- 灰色 -->
<color name="grayblack">#999999</color> <!-- 灰黑色 -->
<color name="commonblack">#585858</color> <!-- 一般使用的黑色 -->
<color name="line_color">#d8d8d8</color> <!-- 單調的黑色 -->
<color name="radiocolor">#858a8e</color> <!-- 按鈕顔色 -->
<color name="custom_gray">#656565</color> <!-- 通用灰 -->
<color name="list_black">#d0d0d0</color> <!-- 分隔線黑 -->
<color name="fontblack">#4f4f4f</color> <!-- 字型顔色 -->
<color name="fontgray">#5c5c5c</color> <!-- 字型灰 -->
<color name="graybg">#efefef</color>
<color name="gray_bg">#fbfbfb</color> <!-- 事件詳情頁資訊背景 -->
<color name="blackgray">#E5E5E5</color> <!-- 深灰 -->
<color name="pure_gray">#f2f2f2</color> <!-- 純色灰 -->
<color name="set_font_color">#686868</color>
<color name="set_title_color">#9a9a9a</color>
<color name="set_account_color">#57a6d8</color>
<color name="center_item_color">#575757</color>
<color name="titlebar_color">#4bc1d2</color>
<color name="set_line">#e4e4e4</color>
<color name="blue">#145fa6</color> <!-- 藍色 -->
<color name="login_bg">#4cb3e8</color>
<color name="hintcolor">#cdcdcd</color>
<color name="tb_color">#f8f8f8</color>
<color name="center_checked_no_color">#909090</color>
<color name="msg_font_color">#555555</color>
<color name="mark_red">#ff4040</color> <!-- 紅色 -->
<color name="gray_text">#666666</color>
<color name="topic_text_color">#767676</color>
<color name="filter_bg_color">#00FBFF</color>
<color name="gray_thin">#adadad</color>
<color name="topic_name_color">#6db3be</color>
<color name="topic_reply_color">#a9a9a9</color>
<color name="even_city_tui_color">#777678</color>
<color name="even_near_color">#f2f1f1</color>
<color name="even_near_small_color">#dfdfdf</color>
<color name="even_footer_color">#989696</color>
<color name="banner_join_press_color">#d4ecf1</color>
<color name="tb_text_color">#4f423a</color>
<color name="register_btn_color">#7ed321</color>
<color name="topic_reply_time_color">#9b9b9b</color>
<!-- 播的字型顔色 -->
<color name="bo_small_text_color">#CCCCCC</color>
<color name="bo_text_hint_color">#A4A4A4</color>
<color name="body_text_1">#ff000000</color>
<color name="body_text_2">#99000000</color>
<color name="body_text_disabled">#66000000</color>
<color name="body_text_1_inverse">#ffffffff</color>
<color name="body_text_2_inverse">#99ffffff</color>
<color name="accent_1">#ff29549f</color>
<color name="hyperlink">#ffff549f</color>
<color name="background_1">#ffffffff</color>
<color name="whats_on_separator">#4d000000</color>
<color name="all_track_color">#ff222222</color>
<color name="block_column_1">#ff0fabff</color>
<color name="block_column_2">#ffdf1831</color>
<color name="block_column_3">#ff009939</color>
<color name="umeng_fb_color_btn_pressed">#1495F7</color>
<color name="umeng_fb_color_btn_normal">#333333</color>
<color name="actionbar_background_start">#3A5FCD</color>
<color name="actionbar_background_end">#27408B</color>
</resources>