recycleview購物車
阿新 • • 發佈：2019-01-02
1.mainactivity
public class MainActivity extends BaseActivity implements IView {
private String mUrl="http://www.wanandroid.com/tools/mockapi/6523/restaurant-list"; private RecyclerView mLeftRecy; private RecyclerView mRightRecy; private ArrayList<MyData.DataBean> mList=new ArrayList<>(); private ArrayList<MyData.DataBean.SpusBean> mRightList=new ArrayList<>(); private LinearLayoutManager manager; private LeftAdapter mLeftAdapter; private PresenterImpl presenter; private RightAdapter mRightAdapter; private LinearLayoutManager manager1; @Override protected int getLayout() { return R.layout.activity_main; } @Override protected void initView() { mLeftRecy = findViewById(R.id.Left_Recy); mRightRecy = findViewById(R.id.Right_Recy); //左邊的介面卡 mLeftAdapter = new LeftAdapter(mList,this); mLeftRecy.setAdapter(mLeftAdapter); //左邊管理類 manager = new LinearLayoutManager(this); mLeftRecy.setLayoutManager(manager); //右邊的介面卡 mRightAdapter = new RightAdapter(mRightList,this); mRightRecy.setAdapter(mRightAdapter); //右邊管理類 manager1 = new LinearLayoutManager(this); mRightRecy.setLayoutManager(manager1); mLeftAdapter.setOnClickListener(new LeftAdapter.ItemClick() { @Override public void setOnclick(View view, int position) { Toast.makeText(MainActivity.this,mList.get(position).getName(), Toast.LENGTH_SHORT).show(); //點選切換 先清除集合 mRightList.clear(); mRightList.addAll(mList.get(position).getSpus()); mRightAdapter.notifyDataSetChanged(); } }); } @Override protected void setOnClick() { } @Override protected void progressLogic() { presenter = new PresenterImpl(this); presenter.startRequest(mUrl,null); } @Override public void success(Object data) { MyData myData= (MyData) data; mList.addAll(myData.getData()); mLeftAdapter.notifyDataSetChanged(); //進去就展示 mRightList.addAll(mList.get(0).getSpus()); mRightAdapter.notifyDataSetChanged(); } @Override public void error(Object error) { }
}
2.主佈局
<RelativeLayout 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" tools:context=".MainActivity"> <LinearLayout android:layout_width="match_parent" android:layout_height="wrap_content" android:orientation="horizontal"> <android.support.v7.widget.RecyclerView android:id="@+id/Left_Recy" android:layout_width="0dp" android:layout_weight="2" android:layout_height="match_parent"></android.support.v7.widget.RecyclerView> <android.support.v7.widget.RecyclerView android:id="@+id/Right_Recy" android:layout_width="0dp" android:layout_weight="6" android:layout_height="match_parent"></android.support.v7.widget.RecyclerView> </LinearLayout>
/RelativeLayout>
3.leftAdapter
public class LeftAdapter extends RecyclerView.Adapter<LeftAdapter.ViewHolder> implements View.OnClickListener {
private ArrayList<MyData.DataBean> mList; private Context mContext; public LeftAdapter(ArrayList<MyData.DataBean> mList, Context mContext) { this.mList = mList; this.mContext = mContext; } @NonNull @Override public ViewHolder onCreateViewHolder(@NonNull ViewGroup viewGroup, int i) { View view = View.inflate(mContext, R.layout.left_item, null); ViewHolder holder = new ViewHolder(view); view.setOnClickListener(this); return holder; } @Override public void onBindViewHolder(@NonNull ViewHolder viewHolder, int i) { viewHolder.tv.setText(mList.get(i).getName()); viewHolder.itemView.setTag(i); } @Override public int getItemCount() { return mList.size(); } public class ViewHolder extends RecyclerView.ViewHolder { private TextView tv; public ViewHolder(@NonNull View itemView) { super(itemView); tv = itemView.findViewById(R.id.Left_Text); } } //介面回撥 public interface ItemClick { void setOnclick(View view, int position); } private ItemClick mItemClick; public void setOnClickListener(ItemClick itemClick) { this.mItemClick = itemClick; } @Override public void onClick(View v) { if(mItemClick!=null){ mItemClick.setOnclick(v,(int)v.getTag()); } }
}
4.rightAdapter
public class RightAdapter extends RecyclerView.Adapter<RightAdapter.ViewHolder> {
private ArrayList<MyData.DataBean.SpusBean> mList;
private Context mContext;
public RightAdapter(ArrayList<MyData.DataBean.SpusBean> mList, Context mContext) {
this.mList = mList;
this.mContext = mContext;
}
@NonNull
@Override
public ViewHolder onCreateViewHolder(@NonNull ViewGroup viewGroup, int i) {
View view = View.inflate(mContext, R.layout.right_item, null);
ViewHolder holder=new ViewHolder(view);
return holder;
}
@Override
public void onBindViewHolder(@NonNull ViewHolder viewHolder, int i) {
viewHolder.name.setText(mList.get(i).getName()+"");
viewHolder.price.setText(mList.get(i).getSkus().get(0).getPrice());
Glide.with(mContext).load(mList.get(i).getPic_url()).into(viewHolder.img);
}
@Override
public int getItemCount() {
return mList.size();
}
public class ViewHolder extends RecyclerView.ViewHolder {
private ImageView img;
private TextView name;
private TextView price;
public ViewHolder(@NonNull View itemView) {
super(itemView);
img=itemView.findViewById(R.id.Right_Image);
name=itemView.findViewById(R.id.Right_Title);
price=itemView.findViewById(R.id.Right_Price);
}
}
}
左邊佈局
<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:text="哈哈哈"
android:layout_width="match_parent"
android:layout_height="wrap_content" />
/LinearLayout>
右邊 佈局
<LinearLayout xmlns:android=“http://schemas.android.com/apk/res/android”
android:layout_width="match_parent"
android:layout_height="120dp"
android:gravity="center_vertical"
android:orientation="horizontal">
<ImageView
android:id="@+id/Right_Image"
android:layout_width="80dp"
android:layout_height="80dp" />
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_weight="1"
android:orientation="vertical">
<TextView
android:id="@+id/Right_Title"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="哈哈哈" />
<TextView
android:id="@+id/Right_Price"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="10dp"
android:text="哈哈哈" />
</LinearLayout>
<com.bawei.wangyaxiao.yuekaomoni2.weight.JiaJianView
android:id="@+id/JiaJian_View"
android:layout_width="wrap_content"
android:layout_height="wrap_content"></com.bawei.wangyaxiao.yuekaomoni2.weight.JiaJianView>