仿京東購物車
阿新 • • 發佈：2018-12-17
public interface CartView {
void success(CartBean cartBean);
void failure(String msg);
}
public interface CartAllCheckLinstener {
void notifyAllCheckboxStatus();
}
<?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="0dp"
android:layout_weight="1"
android:background="#ccc"
android:gravity="center">
<TextView
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="8"
android:gravity="center_horizontal"
android:text="購物車"
android:textSize="25dp" />
<TextView
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="2"
android:gravity="center"
android:text="編輯"
android:textSize="18dp" />
</LinearLayout>
<View
android:layout_width="match_parent"
android:layout_height="1px"
android:background="#909090" />
<android.support.v7.widget.RecyclerView
android:id="@+id/carGV"
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="8" />
<RelativeLayout
android:id="@+id/cart_bottom_layout"
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="0.75"
android:background="#CCCCCC"
android:padding="5dp"
android:textColor="#C0C0C0">
<CheckBox
android:id="@+id/allCheckbox"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerVertical="true" />
<TextView
android:id="@+id/totalpriceTv"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerVertical="true"
android:layout_toRightOf="@+id/allCheckbox"
android:text="總價:￥0.0" />
<Button
android:id="@+id/buy"
android:layout_width="wrap_content"
android:layout_height="match_parent"
android:layout_alignParentBottom="true"
android:layout_alignParentRight="true"
android:background="#f70404"
android:gravity="center"
android:text="去結算"
android:textColor="#fff"
android:textSize="20dp" />
</RelativeLayout>
<View
android:layout_width="match_parent"
android:layout_height="1dp"
android:background="#CCCCCC" />
</LinearLayout>
cartfragment_layout
<?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="0dp"
android:layout_weight="1"
android:background="#ccc"
android:gravity="center">
<TextView
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="8"
android:gravity="center_horizontal"
android:text="購物車"
android:textSize="25dp" />
<TextView
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="2"
android:gravity="center"
android:text="編輯"
android:textSize="18dp" />
</LinearLayout>
<View
android:layout_width="match_parent"
android:layout_height="1px"
android:background="#909090" />
<android.support.v7.widget.RecyclerView
android:id="@+id/carGV"
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="8" />
<RelativeLayout
android:id="@+id/cart_bottom_layout"
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="0.75"
android:background="#CCCCCC"
android:padding="5dp"
android:textColor="#C0C0C0">
<CheckBox
android:id="@+id/allCheckbox"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerVertical="true" />
<TextView
android:id="@+id/totalpriceTv"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerVertical="true"
android:layout_toRightOf="@+id/allCheckbox"
android:text="總價:￥0.0" />
<Button
android:id="@+id/buy"
android:layout_width="wrap_content"
android:layout_height="match_parent"
android:layout_alignParentBottom="true"
android:layout_alignParentRight="true"
android:background="#f70404"
android:gravity="center"
android:text="去結算"
android:textColor="#fff"
android:textSize="20dp" />
</RelativeLayout>
<View
android:layout_width="match_parent"
android:layout_height="1dp"
android:background="#CCCCCC" />
</LinearLayout>
import java.util.HashMap;
import java.util.List;
import java.util.Map;
public class CartAdapter extends RecyclerView.Adapter<CartAdapter.ViewHolder> implements CheckListener, ItemTouchHelperAdapter {
Context context;
List<CartBean.DataBean> list;
CheckListener checkListener;
CartAllCheckLinstener cartAllCheckLinstener;
private List<CartBean.DataBean.ListBean> listBeans;
public void setCartAllCheckLinstener(CartAllCheckLinstener cartAllCheckLinstener) {
this.cartAllCheckLinstener = cartAllCheckLinstener;
}
public CartAdapter(Context context, List<CartBean.DataBean> list) {
this.context = context;
this.list = list;
}
@Override
public ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
View inflate = LayoutInflater.from(context).inflate(R.layout.cart_itemlayout, parent, false);
return new ViewHolder(inflate);
}
@Override
public void onBindViewHolder(final ViewHolder holder, final int position) {
final CartBean.DataBean dataBean = list.get(position);
holder.sellerName.setText(list.get(position).getSellerName());
holder.checkBox.setChecked(dataBean.isSelected());
for (int i = 0; i < dataBean.getList().size(); i++) {
if (!dataBean.getList().get(i).isSelected()) {
holder.checkBox.setChecked(false);
break;
} else {
holder.checkBox.setChecked(true);
}
}
listBeans = this.list.get(position).getList();
CartRevAdapter adapter = new CartRevAdapter(context, this.list.get(position).getList());
holder.recyclerView.setAdapter(adapter);
adapter.setOnItemClickListener(new CartRevAdapter.OnItemClickListener() {
@Override
public void onItemClicklistener(int ItemPosition) {
boolean inCheck = listBeans.get(ItemPosition).isSelected();
if (!inCheck){
list.get(position).setSelected(false);
}else {
for (int i = 0; i < listBeans.size(); i++) {
if (listBeans.get(i).isSelected()){
list.get(position).setSelected(true);
}else {
list.get(position).setSelected(false);
}
}
}
notifyItemChanged(position);
}
});
for (int i = 0; i < dataBean.getList().size(); i++) {
if (!dataBean.getList().get(i).isSelected()) {
holder.checkBox.setChecked(false);
break;
} else {
holder.checkBox.setChecked(true);
}
}
holder.checkBox.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
if (holder.checkBox.isChecked()) {
dataBean.setSelected(true);
for (int i = 0; i < dataBean.getList().size(); i++) {
dataBean.getList().get(i).setSelected(true);
}
} else {
dataBean.setSelected(false);
for (int i = 0; i < dataBean.getList().size(); i++) {
dataBean.getList().get(i).setSelected(false);
}
}
notifyDataSetChanged();
if (cartAllCheckLinstener != null) {
cartAllCheckLinstener.notifyAllCheckboxStatus();
}
}
});
}
@Override
public int getItemCount() {
return list.size();
}
@Override
public void notifyParpen() {
notifyDataSetChanged();
if (cartAllCheckLinstener != null) {
cartAllCheckLinstener.notifyAllCheckboxStatus();
}
}
@Override
public void onItemMove(int fromPosition, int toPosition) {
Collections.swap(list, fromPosition, toPosition);
notifyItemMoved(fromPosition, toPosition);
}
@Override
public void onItemDismiss(int position) {
list.remove(position);
notifyItemChanged(position);
}
public class ViewHolder extends RecyclerView.ViewHolder {
CheckBox checkBox;
RecyclerView recyclerView;
TextView sellerName;
public ViewHolder(View itemView) {
super(itemView);
sellerName = itemView.findViewById(R.id.sellerName);
checkBox = itemView.findViewById(R.id.checkBox);
recyclerView = itemView.findViewById(R.id.cartYiRev);
recyclerView.setLayoutManager(new LinearLayoutManager(context));
}
}
public List<CartBean.DataBean> getDate() {
return list;
}
}
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_margin="5dp"
android:background="@drawable/jia_jian_bg"
android:orientation="horizontal">
<TextView
android:id="@+id/jian"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:padding="5dp"
android:text="-"
android:textSize="25sp" />
<View
android:layout_width="1px"
android:layout_height="match_parent"
android:background="#999999" />
<EditText
android:id="@+id/num"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_weight="1"
android:background="#00000000"
android:gravity="center"
android:text="1" />
<View
android:layout_width="1px"
android:layout_height="match_parent"
android:background="#999999" />
<TextView
android:id="@+id/jia"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:padding="5dp"
android:text="+"
android:textSize="25sp" />
</LinearLayout>
public class MyJiaJianView extends LinearLayout {
private TextView jiaTv,jiantv;
private EditText numEt;
private int num = 1;
public MyJiaJianView(Context context) {
this(context,null);
}
public MyJiaJianView(Context context, @Nullable AttributeSet attrs) {
this(context, attrs,0);
}
public MyJiaJianView(Context context, @Nullable AttributeSet attrs, int defStyleAttr) {
super(context, attrs, defStyleAttr);
init(context);
}
//初始化自定義的佈局
private void init(Context context) {
View view = LayoutInflater.from(context).inflate(R.layout.my_jiajian,this,true);
jiantv = view.findViewById(R.id.jian);
jiaTv = view.findViewById(R.id.jia);
numEt = view.findViewById(R.id.num);
numEt.setText(num+"");
jiaTv.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
num++;
numEt.setText(num+"");
if (jiaJianListener!=null){
jiaJianListener.getNum(num);
}
}
});
jiantv.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
num--;
if (num<=0){
Toast.makeText(getContext(), "數量不能小於1", Toast.LENGTH_SHORT).show();
num = 1;
}
numEt.setText(num+"");
if (jiaJianListener!=null){
jiaJianListener.getNum(num);
}
}
});
}
public void setNumEt(int n) {
numEt.setText(n+"");
num = Integer.parseInt(numEt.getText().toString());
}
private JiaJianListener jiaJianListener;
public void setJiaJianListener(JiaJianListener jiaJianListener) {
this.jiaJianListener = jiaJianListener;
}
public interface JiaJianListener{
void getNum(int num);
}
}
cart_rev_item
<?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:layout_gravity="center_horizontal"
android:gravity="center_vertical"
android:orientation="horizontal">
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:orientation="horizontal">
<CheckBox
android:id="@+id/Rev_item_chekBox"
android:layout_width="wrap_content"
android:layout_height="wrap_content" />
<com.facebook.drawee.view.SimpleDraweeView
android:id="@+id/Rev_item_sim"
android:layout_width="80dp"
android:background="@mipmap/ic_launcher"
android:layout_marginLeft="15dp"
android:layout_height="80dp" />
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginLeft="15dp"
android:orientation="vertical">
<TextView
android:id="@+id/Rev_item_title"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginTop="10dp"
android:text="@string/app_name" />
<RelativeLayout
android:layout_marginTop="15dp"
android:layout_width="match_parent"
android:layout_height="wrap_content">
<TextView
android:id="@+id/Rev_item_product"
android:layout_alignParentLeft="true"
android:text="優惠價：¥99.99"
android:textColor="@android:color/holo_red_light"
android:layout_width="wrap_content"
android:layout_height="wrap_content" />
<com.example.jingd.app.MyJiaJianView
android:id="@+id/jiajianqi"
android:layout_alignParentRight="true"
android:layout_width="wrap_content"
android:layout_height="wrap_content"/>
</RelativeLayout>
</LinearLayout>
</LinearLayout>
public class CartRevAdapter extends RecyclerView.Adapter<CartRevAdapter.ViewHolder> {
Context context;
List<CartBean.DataBean.ListBean> list;
CheckListener checkListener;
CartAllCheckLinstener cartAllCheckLinstener;
OnItemClickListener onItemClickListener;
public void setOnItemClickListener(OnItemClickListener onItemClickListener) {
this.onItemClickListener = onItemClickListener;
}
public void setCheckListener(CheckListener checkListener) {
this.checkListener = checkListener;
}
public void setCartAllCheckLinstener(CartAllCheckLinstener cartAllCheckLinstener) {
this.cartAllCheckLinstener = cartAllCheckLinstener;
}
public CartRevAdapter(Context context, List<CartBean.DataBean.ListBean> list) {
this.context = context;
this.list = list;
}
@Override
public ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
View inflate = LayoutInflater.from(context).inflate(R.layout.cart_rev_item, parent, false);
return new ViewHolder(inflate);
}
@Override
public void onBindViewHolder(final ViewHolder holder, final int position) {
final CartBean.DataBean.ListBean listBean = list.get(position);
holder.product.setText(list.get(position).getPrice() + "");
holder.title.setText(list.get(position).getTitle());
Uri uri = Uri.parse(list.get(position).getImages().split("\\|")[0]);
holder.simpleDraweeView.setImageURI(uri);
holder.checkBox.setChecked(list.get(position).isSelected());
holder.checkBox.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
if (holder.checkBox.isChecked()) {
list.get(position).setSelected(true);
} else {
list.get(position).setSelected(false);
}
notifyItemChanged(position);
onItemClickListener.onItemClicklistener(position);
}
});
holder.myJiaJianView.setNumEt(list.get(position).getNum());
holder.myJiaJianView.setJiaJianListener(new MyJiaJianView.JiaJianListener() {
@Override
public void getNum(int num) {
listBean.setNum(num);
if (checkListener != null) {
checkListener.notifyParpen();
}
}
});
holder.myJiaJianView.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
if (holder.checkBox.isChecked()) {
listBean.setSelected(true);
} else {
listBean.setSelected(false);
}
if (checkListener != null) {
checkListener.notifyParpen();
}
}
});
}
@Override
public int getItemCount() {
return list.size();
}
public class ViewHolder extends RecyclerView.ViewHolder {
TextView product, title;
CheckBox checkBox;
SimpleDraweeView simpleDraweeView;
MyJiaJianView myJiaJianView;
public ViewHolder(View itemView) {
super(itemView);
checkBox = itemView.findViewById(R.id.Rev_item_chekBox);
simpleDraweeView = itemView.findViewById(R.id.Rev_item_sim);
title = itemView.findViewById(R.id.Rev_item_title);
product = itemView.findViewById(R.id.Rev_item_product);
myJiaJianView = itemView.findViewById(R.id.jiajianqi);
}
}
interface OnItemClickListener {
void onItemClicklistener(int position);
}
}
public class CartFragment extends Fragment implements CartView, CartAllCheckLinstener {
@BindView(R.id.carGV)
RecyclerView carGV;
@BindView(R.id.allCheckbox)
CheckBox allCheckbox;
@BindView(R.id.totalpriceTv)
TextView totalpriceTv;
@BindView(R.id.buy)
Button buy;
Unbinder unbinder;
private CartAdapter adapter;
private List<CartBean.DataBean> list;
@Nullable
@Override
public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
View inflate = inflater.inflate(R.layout.cartfragment_layout, container, false);
unbinder = ButterKnife.bind(this, inflate);
CartPresenter cartPresenter = new CartPresenter(this);
cartPresenter.getCartData(71);
initView();
initData();
return inflate;
}
private void initData() {
list = new ArrayList<>();
allCheckbox.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
if (allCheckbox.isChecked()) {
if (list != null && list.size() > 0) {
for (int i = 0; i < list.size(); i++) {
list.get(i).setSelected(true);
for (int i1 = 0; i1 < list.get(i).getList().size(); i1++) {
list.get(i).getList().get(i1).setSelected(true);
}
}
}
} else {
for (int i = 0; i < list.size(); i++) {
list.get(i).setSelected(false);
for (int i1 = 0; i1 < list.get(i).getList().size(); i1++) {
list.get(i).getList().get(i1).setSelected(false);
}
}
}
adapter.notifyDataSetChanged();
numm();
}
});
}
private void numm() {
double product = 0;
for (int i = 0; i < adapter.getDate().size(); i++) {
for (int i1 = 0; i1 < adapter.getDate().get(i).getList().size(); i1++) {
if (adapter.getDate().get(i).getList().get(i1).isSelected()) {
CartBean.DataBean.ListBean listBean = adapter.getDate().get(i).getList().get(i1);
product += listBean.getBargainPrice () * listBean.getTotalNum();
}
}
totalpriceTv.setText("總價:￥" + product);
}
}
private void initView() {
carGV.setLayoutManager(new LinearLayoutManager(getActivity()));
}
@Override
public void success(CartBean cartBean) {
list = cartBean.getData();
adapter = new CartAdapter(getActivity(), cartBean.getData());
carGV.setAdapter(adapter);
adapter.setCartAllCheckLinstener(this);
}
@Override
public void failure(String msg) {
}
@Override
public void notifyAllCheckboxStatus() {
StringBuilder stringBuilder = new StringBuilder();
if (adapter != null) {
for (int i = 0; i < adapter.getDate().size(); i++) {
stringBuilder.append(adapter.getDate().get(i).isSelected());
for (int i1 = 0; i1 < adapter.getDate().get(i).getList().size(); i1++) {
stringBuilder.append(adapter.getDate().get(i).getList().get(i1).isSelected());
}
}
}
if (stringBuilder.toString().contains("false")) {
allCheckbox.setChecked(false);
} else {
allCheckbox.setChecked(true);
}
numm();
}
@Override
public void onDestroyView() {
super.onDestroyView();
unbinder.unbind();
}
}