GildeApp
public class GildeApplication extends ImageLoader {
@Override
public void displayImage(Context context, Object path, ImageView imageView) {
//初始化Glid包
Glide.with(context).load(path).into(imageView);
}
}
GoodsAdapter
public class GoodsAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder> {
private List<GoodsBean.DataBean> list;
private Context context;
public GoodsAdapter(List<GoodsBean.DataBean> list, Context context) {
this.list = list;
this.context = context;
}
@NonNull
@Override
public RecyclerView.ViewHolder onCreateViewHolder(@NonNull ViewGroup viewGroup, int i) {
View view = LayoutInflater.from(viewGroup.getContext()).inflate(R.layout.itemlayout1, viewGroup, false);
return (new ViewHolder(view));
}
@Override
public void onBindViewHolder(@NonNull RecyclerView.ViewHolder viewHolder, final int position) {
((ViewHolder) viewHolder).item_dec.setText(list.get(position).getTitle());
((ViewHolder) viewHolder).item_price.setText(list.get(position).getPrice() + "");
String images = list.get(position).getImages();
String imageurl = "http" + images.substring(5);
String[] split = imageurl.split("\\|");
if (split.length > 0) {
Glide.with(context).load(split[0]).into(((ViewHolder) viewHolder).item_img);
// Glide.with(context).load(ii).into(((ViewHolder) viewHolder).item_img);
}
viewHolder.itemView.setOnLongClickListener(new View.OnLongClickListener() {
@Override
public boolean onLongClick(View view) {
ObjectAnimator alpha = ObjectAnimator.ofFloat(view, "alpha", 1f, 0f, 1f);
alpha.setDuration(5000);
alpha.start();
AlertDialog.Builder builder = new AlertDialog.Builder(context);
builder.setTitle("删除");
builder.setMessage("确认删除吗");
builder.setPositiveButton("确定", new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialogInterface, int i) {
list.remove(position);
notifyDataSetChanged();
}
});
builder.setNegativeButton("取消", null);
builder.show();
return true;
}
});
viewHolder.itemView.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
Intent intent = new Intent(context, GoodsActivity.class);
// intent.putExtra("aaa", list.get(position).getTitle());
// intent.putExtra("bbb", list.get(position).getBargainPrice());
// intent.putExtra("eee", list.get(position).getImages());
// context.startActivity(intent);
Toast.makeText(context, "点击了" + position, Toast.LENGTH_LONG).show();
}
});
}
@Override
public int getItemCount() {
return list.size();
}
public class ViewHolder extends RecyclerView.ViewHolder {
private TextView item_dec, item_price;
private ImageView item_img;
public ViewHolder(View itemView) {
super(itemView);
item_img = itemView.findViewById(R.id.img_icon);
item_dec = itemView.findViewById(R.id.txt_name);
item_price = itemView.findViewById(R.id.txt_price);
}
}
}
GildeAdapter
public class GridAdapter extends BaseAdapter {
private List<GrBean.DataBean> mList = new ArrayList<>();
public List<GrBean.DataBean> getmList() {
return mList;
}
public void setmList(List<GrBean.DataBean> mList) {
this.mList = mList;
}
public Context getContext() {
return context;
}
public void setContext(Context context) {
this.context = context;
}
private Context context;
@Override
public int getCount() {
return mList.size();
}
@Override
public Object getItem(int position) {
return mList.get(position);
}
@Override
public long getItemId(int position) {
return position;
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
ViewHolder viewHolder;
if (convertView == null) {
viewHolder = new ViewHolder();
convertView = View.inflate(context, R.layout.itemlayout, null);
viewHolder.grid_name = convertView.findViewById(R.id.txt_name);
viewHolder.grid_image = convertView.findViewById(R.id.img_icon);
convertView.setTag(viewHolder);
} else {
viewHolder = (ViewHolder) convertView.getTag();
}
viewHolder.grid_name.setText(mList.get(position).getName());
Picasso.with(context).load(mList.get(position).getIcon()).into
(viewHolder.grid_image);
return convertView;
}
class ViewHolder {
TextView grid_name;
ImageView grid_image;
}
}
ShopAdapter
public class ShopAdapter extends BaseExpandableListAdapter {
private List<Shop.DataBean> shopData;
private double price;
private int num;
public ShopAdapter(List<Shop.DataBean> shopData) {
this.shopData = shopData;
}
//1.有多少按钮
@Override
public int getGroupCount() {
return shopData.size();
}
//2.一个组里有多少子条目
@Override
public int getChildrenCount(int groupPosition) {
return shopData.get(groupPosition).getList().size();
}
////////P.组布局////////
@Override
public View getGroupView(final int groupPosition, boolean isExpanded, View convertView, ViewGroup parent) {
//P1.获取组的下标
Shop.DataBean dataBean = shopData.get(groupPosition);
ParentHolder parentHolder;
if (convertView == null) {
convertView = View.inflate(parent.getContext(), R.layout.parent_item, null);
parentHolder = new ParentHolder(convertView);
convertView.setTag(parentHolder);
} else {
parentHolder = (ParentHolder) convertView.getTag();
}
//P2.获取商家名称
parentHolder.textParent.setText(dataBean.getSellerName());
//P3.根据当前商家的所有商品，确定checkbox是否选中
boolean parentAllSelect = isParentAllSelect(groupPosition);
//P4.1根据boolean判断是否选中
parentHolder.boxParent.setChecked(parentAllSelect);
//P5.设置点击checkbox的点击事件，接口回调
parentHolder.boxParent.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
if (mOnCartListChangeListener != null) {
mOnCartListChangeListener.onParentCheckedChange(groupPosition);
}
}
});
return convertView;
}
////////////C.子布局///////////
@Override
public View getChildView(final int groupPosition, final int childPosition, boolean isLastChild, View convertView, ViewGroup parent) {
Shop.DataBean dataBean = shopData.get(groupPosition);
List<Shop.DataBean.ListBean> list = dataBean.getList();
//C1.拿到list集合里具体商品
Shop.DataBean.ListBean listBean = list.get(childPosition);
ChildHolder childHolder;
if (convertView == null) {
convertView = View.inflate(parent.getContext(), R.layout.child_item, null);
// convertView = View.inflate(parent.getContext(), R.layout.child_item, null);
childHolder = new ChildHolder(convertView);
convertView.setTag(childHolder);
} else {
childHolder = (ChildHolder) convertView.getTag();
}
//C2.截取图片picasso
String images = listBean.getImages();
String[] strings = images.split("!");
Picasso.with(parent.getContext()).load(strings[0]).into(childHolder.imageChild);
//C.获取商品名称
childHolder.childText.setText(listBean.getTitle());
//C.单价
childHolder.childPrice.setText(listBean.getPrice() + "");
//C.设置子条目复选框是否选中
childHolder.boxChild.setChecked(listBean.getSelected() == 1);
//C.设置加减器内部数量
childHolder.addSub.setNumber(listBean.getNum());
//C3.设置商品checkbox的点击事件，接口回调
childHolder.boxChild.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
if (mOnCartListChangeListener != null) {
mOnCartListChangeListener.onChildCheckedChange(groupPosition, childPosition);
}
}
});
//C4.设置加减器的点击事件，接口回调
childHolder.addSub.setOnNumberChangeInterface(new MyAddSub.OnNumberChangeInterface() {
@Override
public void onNumberChang(int num) {
if (mOnCartListChangeListener != null) {
mOnCartListChangeListener.onAddSubNumberChange(groupPosition, childPosition, num);
}
}
});
return convertView;
}
//--------判断当前商品是否被选中--------
public boolean isParentAllSelect(int groupPosition) {
//拿到组的数据
Shop.DataBean dataBean = shopData.get(groupPosition);
//拿到商家所有商品，集合
List<Shop.DataBean.ListBean> list = dataBean.getList();
for (int i = 0; i < list.size(); i++) {
//判断这个组所有商品是否被选中，如有一个未选中就都不选中
if (list.get(i).getSelected() == 0) {
return false;
}
}
return true;
}
//------底部全选按钮逻辑判断------
public boolean isAllSelected() {
for (int i = 0; i < shopData.size(); i++) {
Shop.DataBean dataBean = shopData.get(i);
List<Shop.DataBean.ListBean> list = dataBean.getList();
for (int j = 0; j < list.size(); j++) {
//判断组的商品是否被选中
if (list.get(j).getSelected() == 0) {
return false;
}
}
}
return true;
}
//-----计算商品总数量-----
public int TotalNumber() {
int totalNumber = 0;
for (int i = 0; i < shopData.size(); i++) {
Shop.DataBean dataBean = shopData.get(i);
List<Shop.DataBean.ListBean> list = dataBean.getList();
for (int j = 0; j < list.size(); j++) {
//商品数量，选中的
if (list.get(j).getSelected() == 1) {
//拿到商品的数量
int num = list.get(j).getNum();
totalNumber += num;
}
}
}
return totalNumber;
}
//-------计算商品总价格-------
public float TotalPrice() {
float totalPrice = 0;
for (int i = 0; i < shopData.size(); i++) {
Shop.DataBean dataBean = shopData.get(i);
List<Shop.DataBean.ListBean> list = dataBean.getList();
for (int j = 0; j < list.size(); j++) {
//商品价格，选中的
if (list.get(j).getSelected() == 1) {
//拿到商品数量
price = list.get(j).getPrice();
num = (int) (list.get(j).getNum() * price);
totalPrice += num;
}
}
}
return totalPrice;
}
//--------根据选择，更改选框里状态------
public void changeSellerAllProduct(int groupPosition, boolean isSelected) {
Shop.DataBean dataBean = shopData.get(groupPosition);
List<Shop.DataBean.ListBean> list = dataBean.getList();
for (int i = 0; i < list.size(); i++) {
Shop.DataBean.ListBean listBean = list.get(i);
listBean.setSelected(isSelected ? 1 : 0);
}
}
//---------当子条目选中，更新组选框的状态-------
public void changeChild(int groupPosition, int childPosition) {
Shop.DataBean dataBean = shopData.get(groupPosition);
List<Shop.DataBean.ListBean> list = dataBean.getList();
Shop.DataBean.ListBean listBean = list.get(childPosition);
listBean.setSelected(listBean.getSelected() == 0 ? 1 : 0);
}
//---------当最底部全选框选中，更新所有选框的状态
public void changAllCheckBox(boolean selected) {
for (int i = 0; i < shopData.size(); i++) {
Shop.DataBean dataBean = shopData.get(i);
List<Shop.DataBean.ListBean> list = dataBean.getList();
for (int j = 0; j < list.size(); j++) {
list.get(j).setSelected(selected ? 1 : 0);
}
}
}
//----------当加减器被点击时，改变商品数量--------
public void changProductNumber(int groupPosition, int childPosition, int number) {
Shop.DataBean dataBean = shopData.get(groupPosition);
List<Shop.DataBean.ListBean> list = dataBean.getList();
Shop.DataBean.ListBean listBean = list.get(childPosition);
listBean.setNum(number);
}
//==============Viewhodler============
//组的Viewholder
public static class ParentHolder {
private final CheckBox boxParent;
private final TextView textParent;
public ParentHolder(View rootView) {
boxParent = rootView.findViewById(R.id.box_parent);
textParent = rootView.findViewById(R.id.text_parent);
}
}
public static class ChildHolder {
private final CheckBox boxChild;
private final ImageView imageChild;
private final TextView childText;
private final TextView childPrice;
private final MyAddSub addSub;
public ChildHolder(View rootView) {
boxChild = rootView.findViewById(R.id.child_box);
imageChild = rootView.findViewById(R.id.child_image);
childText = rootView.findViewById(R.id.child_text);
childPrice = rootView.findViewById(R.id.child_price);
addSub = rootView.findViewById(R.id.add_sub);
}
}
//=============创建接口===========
public interface onCartListChangeListener {
/*当组的checkbox点击时回调*/
void onParentCheckedChange(int groupPosition);
/*当点击子条目商品的checkbox回调*/
void onChildCheckedChange(int groupPosition, int childPosition);
/*当点击加减按钮的回调*/
void onAddSubNumberChange(int groupPosition, int childPosition, int number);
}
private onCartListChangeListener mOnCartListChangeListener;
public void setOnCartListChangeListener(onCartListChangeListener onCartListChangeListener) {
mOnCartListChangeListener = onCartListChangeListener;
}
//不管这些
@Override
public boolean isChildSelectable(int groupPosition, int childPosition) {
return false;
}
@Override
public Object getGroup(int groupPosition) {
return null;
}
@Override
public Object getChild(int groupPosition, int childPosition) {
return null;
}
@Override
public long getGroupId(int groupPosition) {
return 0;
}
@Override
public long getChildId(int groupPosition, int childPosition) {
return 0;
}
@Override
public boolean hasStableIds() {
return false;
}
}