Zhou-Kao2
apiservice:
布局：
一级：
二级：
自定义加减器：
自定义加减器：
public class ZDYView extends LinearLayout implements View.OnClickListener {
private final Button btn_jia;
private final Button btn_jian;
private final TextView tvCount;
private int count = 1;
public ZDYView(Context context, @Nullable AttributeSet attrs) {
super(context, attrs);
LayoutInflater.from(context).inflate(R.layout.zdy_layout,this,true);
btn_jia = findViewById(R.id.btn_jia);
btn_jian = findViewById(R.id.btn_jian);
tvCount = findViewById(R.id.count);
btn_jia.setOnClickListener(this);
btn_jian.setOnClickListener(this);
}
public void setText(int i){
count = 1;
tvCount.setText(i+"");
}
@Override
public void onClick(View v) {
switch (v.getId()){
case R.id.btn_jia:
count++;
if (count<=999){
tvCount.setText(count+"");
myInter.getNumber(count);
}else {
count = 999;
}
break;
case R.id.btn_jian:
count--;
if (count>=1){
tvCount.setText(count+"");
myInter.getNumber(count);
}else {
count=1;
Toast.makeText(getContext(), "参数不能小于1", Toast.LENGTH_SHORT).show();
}
break;
}
}
public interface MyInter{
void getNumber(int count);
}
MyInter myInter;
public void setMyInter(MyInter myInter){
this.myInter = myInter;
}
}
MVP:
契约类：
public interface Contract {
interface IView{
void getView(String shoppingString);
}
interface IModel{
void requestData(CallBack callBack);
interface CallBack{
void getResult(String shoppingString);
}
}
interface IPresenter{
void attachView(IView iView);
void detachView();
}
}
model层：
public class ModeImpl implements Contract.IModel{
@Override
public void requestData(final CallBack callBack) {
Retrofit retrofit = new Retrofit.Builder().addCallAdapterFactory(RxJava2CallAdapterFactory.create())
.baseUrl(RetrofitManager.SHOPPINGCART).build();
ApiService apiService = retrofit.create(ApiService.class);
apiService.shopping().subscribeOn(Schedulers.io())
.observeOn(AndroidSchedulers.mainThread())
.subscribe(new Consumer() {
@Override
public void accept(ResponseBody responseBody) throws Exception {
String shoppingString = responseBody.string();
callBack.getResult(shoppingString);
}
});
}
}
present层：
public class PresenterImpl implements Contract.IPresenter{
private WeakReference weakReference;
private ModeImpl mode;
@Override
public void attachView(final Contract.IView iView) {
weakReference = new WeakReference<>(iView);
mode = new ModeImpl();
mode.requestData(new Contract.IModel.CallBack() {
@Override
public void getResult(String shoppingString) {
Contract.IView iView1 = weakReference.get();
iView.getView(shoppingString);
}
});
}
@Override
public void detachView() {
weakReference.clear();
}
}
工具类：
public class Head implements Interceptor {
@Override
public Response intercept(Chain chain) throws IOException {
Request request = chain.request();
Request.Builder builder = request.newBuilder();
builder.header("userId","2818");
builder.header("sessionId","15726622336582818");
Request newRequest = builder.build();
Response response = chain.proceed(newRequest);
return response;
}
}
public class RetrofitUtil {
private static RetrofitUtil instance = null;
private Retrofit retrofit;
private RetrofitUtil(){
retrofit = new Retrofit.Builder().baseUrl("http://172.17.8.100/small/")
.addCallAdapterFactory(RxJava2CallAdapterFactory.create())
.addConverterFactory(GsonConverterFactory.create())
.client(OkhttpManager.getInstance().getOkHttpClient())
.build();
}
public static RetrofitUtil getInstance(){
if (instance == null){
instance = new RetrofitUtil();
}
return instance;
}
public Retrofit getRetrofit(){
return retrofit;
}
}
public class OkhttpManager {
// TODO: 2019/12/7 声明一个静态实例
public static OkhttpManager instance = new OkhttpManager();
private OkHttpClient okHttpClient;
private Handler handler = new Handler();
// TODO: 2019/12/7 构造方法私有化
private OkhttpManager(){
okHttpClient = new OkHttpClient.Builder()
.readTimeout(5000,TimeUnit.MILLISECONDS)
.writeTimeout(5000,TimeUnit.MILLISECONDS)
.connectTimeout(5000,TimeUnit.MILLISECONDS)
.addInterceptor(new Head())
.addInterceptor(new HttpLoggingInterceptor(new HttpLoggingInterceptor.Logger() {
@Override
public void log(String message) {
if (message.startsWith("{") || message.startsWith("[")){
Logger.json(message);
}else {
Logger.d(message);
}
}
}).setLevel(HttpLoggingInterceptor.Level.BODY)).build();
}
public static OkhttpManager getInstance(){
return instance;
}
// TODO: 2019/11/12 暴露get方法
public void doGet(String path, final DataCallBack callBack){
// TODO: 2019/11/12 默认就是get 请求
Request.Builder builder = new Request.Builder();
builder.url(path);
Request request = builder.build();
// TODO: 2019/11/12 返回一个call对象，okhttp把每次请求都封装成一个call对象
Call call = okHttpClient.newCall(request);
// TODO: 2019/11/12 执行异步请求
call.enqueue(new Callback() {
@Override
public void onFailure(Call call, IOException e) {
// TODO: 2019/11/12 请求失败的回调，回调是在子线程中
final String message = e.getMessage();
handler.post(new Runnable() {
@Override
public void run() {
callBack.onError(message);
}
});
}
@Override
public void onResponse(Call call, Response response) throws IOException {
// TODO: 2019/11/12 请求成功的回调，回调在子线程中
// TODO: 2019/11/12 获取json数据
ResponseBody body = response.body();
final String json = body.string();
handler.post(new Runnable() {
@Override
public void run() {
callBack.onSuccess(json);
}
});
}
});
}
// TODO: 2019/11/12 暴露dopost方法，post普通表单
public void doPost(String path, Map params, final DataCallBack callBack){
// TODO: 2019/11/12 创建request.builder
Request.Builder builder = new Request.Builder();
builder.url(path);
FormBody.Builder form = new FormBody.Builder();
// TODO: 2019/11/12 遍历map，获取map中所有key和value
Set> entrySet = params.entrySet();
for (Map.Entry entry:entrySet){
String key = entry.getKey();
String value = entry.getValue();
// TODO: 2019/11/12 把key和value加入到表单中
form.add(key,value);
}
FormBody body = form.build();
builder.post(body);
Request request = builder.build();
Call call = okHttpClient.newCall(request);
call.enqueue(new Callback() {
@Override
public void onFailure(Call call, IOException e) {
final String message = e.getMessage();
handler.post(new Runnable() {
@Override
public void run() {
callBack.onError(message);
}
});
}
@Override
public void onResponse(Call call, Response response) throws IOException {
ResponseBody responseBody = response.body();
final String json = responseBody.string();
handler.post(new Runnable() {
@Override
public void run() {
callBack.onSuccess(json);
}
});
}
});
}
public OkHttpClient getOkHttpClient() {
return okHttpClient;
}
// TODO: 2019/11/13 暴露一个接口
public interface DataCallBack{
// TODO: 2019/11/13 成功
void onSuccess(String data);
// TODO: 2019/11/13 失败
void onError(String msg);
}
} 适配器：
public class MyChildAdapter extends BaseQuickAdapter {
public MyChildAdapter(int layoutResId, @Nullable List data) {
super(layoutResId, data);
}
@Override
protected void convert(BaseViewHolder helper, final ShopCartBean.OrderDataBean.CartlistBean item) {
ImageView img_child = helper.getView(R.id.img_child);
//图片
Glide.with(mContext).load(item.getDefaultPic())
.apply(RequestOptions.bitmapTransform(new RoundedCorners(30)))
.placeholder(R.mipmap.ic_launcher)
.error(R.drawable.ic_launcher_background)
.into(img_child);
//商品复选框
final CheckBox cb_child = helper.getView(R.id.cb_child);
//商品复选框状态
cb_child.setChecked(item.innerSelector);
//商品名称
helper.setText(R.id.name_child,item.getProductName());
//商品价格
helper.setText(R.id.price_child,item.getPrice()+"");
//加减器
ZDYView zdy_view = helper.getView(R.id.zdy_view);
//加减器接口回调
zdy_view.setMyInter(new ZDYView.MyInter() {
@Override
public void getNumber(int count) {
item.setInCount(count);
//接口回调
onIsClick.getCheck();
}
});
cb_child.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
@Override
public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
//接口回调
onIsClick.getCheck();
}
});
cb_child.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
if (cb_child.isChecked()) {
item.setInnerSelector(true);
}else {
item.setInnerSelector(false);
}
//接口回调
onIsClick.getCheck();
}
});
}
//创建接口
public interface OnIsClick{
void getCheck();
}
OnIsClick onIsClick;
public void setOnIsClick(OnIsClick onIsClick) {
this.onIsClick = onIsClick;
}
}
public class MyParentAdapter extends BaseQuickAdapter {
public MyParentAdapter(int layoutResId, @Nullable List data) {
super(layoutResId, data);
}
@Override
protected void convert(BaseViewHolder helper, final ShopCartBean.OrderDataBean item) {
// TODO: 2019/12/7 商家名称
helper.setText(R.id.cb_parent,item.getShopName());
// TODO: 2019/12/7 商家的复选框
final CheckBox cb_parent = helper.getView(R.id.cb_parent);
// TODO: 2019/12/7 设置商家选中状态
cb_parent.setChecked(item.outterSelector);
// TODO: 2019/12/7 商品的列表控件
RecyclerView child_RecyclerView = helper.getView(R.id.child_RecyclerView);
// TODO: 2019/12/7 线性布局
LinearLayoutManager manager = new LinearLayoutManager(mContext,LinearLayoutManager.VERTICAL,false);
// TODO: 2019/12/7 设置线性布局
child_RecyclerView.setLayoutManager(manager);
// TODO: 2019/12/7 商品适配器
final MyChildAdapter myChildAdapter = new MyChildAdapter(R.layout.child_item, item.getCartlist());
child_RecyclerView.setAdapter(myChildAdapter);
cb_parent.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
//判断商家当前的选中状态
if (cb_parent.isChecked()) {
//如果商家是选中状态就给他true
item.setOutterSelector(true);
//遍历商品集合给每个商品true
for (int i = 0; i < item.getCartlist().size(); i++) {
item.getCartlist().get(i).setInnerSelector(true);
}
}else {
//如果商家是选中状态就给他false
item.setOutterSelector(false);
//遍历商品集合给每个商品false
for (int i = 0; i < item.getCartlist().size(); i++) {
item.getCartlist().get(i).setInnerSelector(false);
}
}
//刷新适配器
myChildAdapter.notifyDataSetChanged();
//接口回调
onOutClick.getCheck();
}
});
//商家复选框状态改变监听
cb_parent.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
@Override
public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
//接口回调
onOutClick.getCheck();
}
});
//商品适配器回调
myChildAdapter.setOnIsClick(new MyChildAdapter.OnIsClick() {
@Override
public void getCheck() {
boolean issetCheck = true;
for (int i = 0; i < item.getCartlist().size(); i++) {
issetCheck = issetCheck&item.getCartlist().get(i).getInnerSelector();
}
cb_parent.setChecked(issetCheck);
item.setOutterSelector(issetCheck);
//接口回调
onOutClick.getCheck();
}
});
}
//创建接口
public interface OnOutClick{
void getCheck();
}
OnOutClick onOutClick;
public void setOnOutClick(OnOutClick onOutClick){
this.onOutClick = onOutClick;
}
}
主方法：
public class MainActivity extends AppCompatActivity implements Contract.IView {
@BindView(R.id.parent_RecyclerView)
RecyclerView parentRecyclerView;
@BindView(R.id.cb_all)
CheckBox cbAll;
@BindView(R.id.all_price)
TextView allPrice;
@BindView(R.id.btn_jiesuan)
Button btnJiesuan;
private Unbinder unbinder;
private PresenterImpl presenter;
//商家适配器
private MyParentAdapter myParentAdapter;
//商家集合
private ArrayList shoppingCartBeanOrderData;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
unbinder = ButterKnife.bind(this);
presenter = new PresenterImpl();
presenter.attachView(this);
}
//点击
@OnClick({R.id.cb_all, R.id.btn_jiesuan})
public void onViewClicked(View view) {
switch (view.getId()) {
case R.id.cb_all:
if (cbAll.isChecked()) {
for (int i = 0; i < shoppingCartBeanOrderData.size(); i++) {
shoppingCartBeanOrderData.get(i).setOutterSelector(true);
for (int j = 0; j < shoppingCartBeanOrderData.get(i).getCartlist().size(); j++) {
shoppingCartBeanOrderData.get(i).getCartlist().get(j).setInnerSelector(true);
}
}
}else {
for (int i = 0; i < shoppingCartBeanOrderData.size(); i++) {
shoppingCartBeanOrderData.get(i).setOutterSelector(false);
for (int j = 0; j < shoppingCartBeanOrderData.get(i).getCartlist().size(); j++) {
shoppingCartBeanOrderData.get(i).getCartlist().get(j).setInnerSelector(false);
}
}
}
//刷新适配器
myParentAdapter.notifyDataSetChanged();
break;
case R.id.btn_jiesuan:
break;
}
}
//有数据
@Override
public void getView(String shoppingString) {
//解析
Gson gson = new Gson();
ShopCartBean shoppingCartBean = gson.fromJson(shoppingString, ShopCartBean.class);
shoppingCartBeanOrderData = (ArrayList) shoppingCartBean.getOrderData();
//设置线性布局
LinearLayoutManager manager = new LinearLayoutManager(this, LinearLayoutManager.VERTICAL, false);
parentRecyclerView.setLayoutManager(manager);
//创建适配器
myParentAdapter = new MyParentAdapter(R.layout.parent_item, shoppingCartBeanOrderData);
//设置适配器
parentRecyclerView.setAdapter(myParentAdapter);
myParentAdapter.setOnOutClick(new MyParentAdapter.OnOutClick() {
@Override
public void getCheck() {
boolean isCheck = true;
int sum = 0;
for (int i = 0; i < shoppingCartBeanOrderData.size(); i++) {
isCheck = isCheck & shoppingCartBeanOrderData.get(i).getOutterSelector();
for (int j = 0; j < shoppingCartBeanOrderData.get(i).getCartlist().size(); j++) {
int inCount = shoppingCartBeanOrderData.get(i).getCartlist().get(j).getInCount();
int price = shoppingCartBeanOrderData.get(i).getCartlist().get(j).getPrice();
boolean innerSelector = shoppingCartBeanOrderData.get(i).getCartlist().get(j).getInnerSelector();
isCheck = isCheck & innerSelector;
if (innerSelector) {
sum += inCount * price;
}
}
allPrice.setText(sum + "");
cbAll.setChecked(isCheck);
}
}
});
}
}