购物车+流式布局+订单页面

依赖

implementation 'com.fyales.android:library:1.0.2'
implementation 'com.jakewharton:butterknife:8.8.1'
annotationProcessor 'com.jakewharton:butterknife-compiler:8.8.1'
implementation 'jp.wasabeef:recyclerview-animators:2.3.0'
implementation 'com.squareup.okhttp3:okhttp:3.11.0'
implementation 'com.google.code.gson:gson:2.2.4'
implementation 'com.squareup.picasso:picasso:2.71828'
implementation 'org.greenrobot:eventbus:3.1.1'

数据库

public class Sqliet extends SQLiteOpenHelper {
    public Sqliet(Context context) {
        super(context, "User.db", null, 1);
    }

    @Override
    public void onCreate(SQLiteDatabase db) {
        db.execSQL("create table users(id integer primary key autoincrement," +
                "name text)");
    }

    @Override
    public void onUpgrade(SQLiteDatabase sqLiteDatabase, int i, int i1) {

    }
}

添加数据库

public class UserDao {
    private Sqliet sqliet;
    private SQLiteDatabase database;
    public UserDao(Context context){
        sqliet = new Sqliet(context);
        database = sqliet.getReadableDatabase();
    }
    public void add(String name){
        ContentValues value = new ContentValues();
        value.put("name",name);
        database.insert("users",null,value);
    }
    public String select(){
        database.beginTransaction();
        StringBuffer buffer = new StringBuffer();
        try {
            Cursor query = database.query("users", null, null, null, null, null, null);
            while (query.moveToNext()){
                String name = query.getString(query.getColumnIndex("name"));
                buffer.append(name);
            }
            database.setTransactionSuccessful();
        }finally {
            database.endTransaction();
        }
        return buffer.toString();
    }
}

OKHttpUtils

public class OKHttpUtils {
    public static OKHttpUtils instance;
    public OkHttpClient okHttpClient;

    public OKHttpUtils(){
        if (null == instance){
            synchronized (OkHttpClient.class){
                if (null == instance){
                    okHttpClient = new OkHttpClient.Builder().addInterceptor(new MyInterceptor()).build();
                }
            }
        }
    }

    public static OKHttpUtils getInstance() {
        if (null == instance){
            synchronized (OKHttpUtils.class){
                if (null == instance){
                    instance = new OKHttpUtils();
                }
            }
        }
        return instance;
    }
    public void get(String urlString, Callback callback){
        Request request = new Request.Builder().url(urlString).build();
        okHttpClient.newCall(request).enqueue(callback);
    }
    public void post(String urlString, FormBody formBody,Callback callback){
        Request request = new Request.Builder().method("POST",formBody).url(urlString).build();
        okHttpClient.newCall(request).enqueue(callback);
    }
    class MyInterceptor implements Interceptor{

        @Override
        public Response intercept(Chain chain) throws IOException {
            Request request = chain.request();
            Request newRequest = request.newBuilder().addHeader("source", "android").build();
            Response response = chain.proceed(newRequest);
            return response;
        }
    }
}

 

流式布局

public class MainActivity extends AppCompatActivity {

    @BindView(R.id.container)
    TagCloudLayout container;
    @BindView(R.id.edit_sou)
    EditText editSou;
    @BindView(R.id.container1)
    TagCloudLayout container1;
    @BindView(R.id.add_but)
    Button addBut;
    private ArrayList mList;
    private ArrayList lList;
    private TagBaseAdapter mAdapter;
    private TagBaseAdapter lAdapter;
    private UserDao userDao;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        ButterKnife.bind(this);
        mList = new ArrayList<>();
        lList = new ArrayList<>();
        userDao = new UserDao(this);
        lList.add("中华人民共和国");
        lList.add("大韩民国");
        lList.add("日本");
        lList.add("朝鲜");
        lList.add("台湾");
        lList.add("香港特别行政区");
        lList.add("澳门特别行政区");
        lList.add("越南");
        lList.add("老挝");
        lList.add("柬埔寨");
        lList.add("泰国");
        lList.add("缅甸");
        lList.add("马来西亚");
        lList.add("新加坡");
        lList.add("印度尼西亚");
        lList.add("文莱");
        lList.add("菲律宾");
        lAdapter = new TagBaseAdapter(this, lList);
        mAdapter = new TagBaseAdapter(this, mList);
        findViewById(R.id.add_but).setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                mList.add(editSou.getText().toString());
                userDao.add(editSou.getText().toString());
                mAdapter.notifyDataSetChanged();
            }
        });
        String select = userDao.select();
        mList.add(select);
        container1.setAdapter(lAdapter);
        container.setAdapter(mAdapter);
        container.setItemClickListener(new TagCloudLayout.TagItemClickListener() {
            @Override
            public void itemClick(int position) {
                startActivity(new Intent(MainActivity.this,ShoppingActivity.class));
            }
        });
    }
}

流式布局xml

购物车页面

public class ShoppingActivity extends AppCompatActivity implements ICorter.IView, SubAdapter.OnItemCheckedListener, SubAdapter.OnItemClickListener {

    @BindView(R.id.rv_container)
    RecyclerView rvContainer;
    @BindView(R.id.cb_all)
    CheckBox cbAll;
    @BindView(R.id.tv_price)
    TextView tvPrice;
    @BindView(R.id.tv_count)
    TextView tvCount;
    private ICorter.IPresenter presenter;
    private List data;
    private SubAdapter subAdapter;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_shopping);
        ButterKnife.bind(this);
        presenter = new Presenter();
        presenter.actachView(this);
        presenter.requestInfo();
    }

    @Override
    public void showData(final String responseMsg) {
        runOnUiThread(new Runnable() {
            @Override
            public void run() {
                Gson gson = new Gson();
                ItemBean itemBean = gson.fromJson(responseMsg, ItemBean.class);
                data = itemBean.getData();
                LinearLayoutManager manager = new LinearLayoutManager(ShoppingActivity.this, LinearLayoutManager.VERTICAL, false);
                rvContainer.setLayoutManager(manager);
                subAdapter = new SubAdapter(ShoppingActivity.this, (ArrayList) data);
                rvContainer.setAdapter(subAdapter);
                subAdapter.setOnItemCheckedListener(ShoppingActivity.this);
                subAdapter.setOnItemClickListener(ShoppingActivity.this);
            }
        });
    }

    @Override
    public void showDatas(String responseMsg) {

    }

    @OnClick({R.id.cb_all, R.id.tv_price, R.id.tv_count})
    public void onViewClicked(View view) {
        switch (view.getId()) {
            case R.id.cb_all:
                if (cbAll.isChecked()){
                    for (int i = 0; i < data.size() ; i++) {
                        data.get(i).setChecked(true);
                    }
                    subAdapter.notifyDataSetChanged();
                }else {
                    for (int i = 0; i < data.size() ; i++) {
                        data.get(i).setChecked(false);
                    }
                    subAdapter.notifyDataSetChanged();
                }
                break;
            case R.id.tv_price:
                break;
            case R.id.tv_count:
                break;
        }
    }

    @Override
    protected void onDestroy() {
        super.onDestroy();
        presenter.detachView(this);
    }

    @Override
    public void onItemChecked(int position, boolean checked) {
        data.get(position).setChecked(checked);
        boolean tag = true;
        for (int i = 0; i < data.size() ; i++) {
            if (data.get(i).getChecked() == false){
                tag = false;
            }
        }
        cbAll.setChecked(tag);
        subAdapter.notifyDataSetChanged();
        for (int i = 0; i < data.size() ; i++) {
            if (data.get(i).getChecked()==false){

            }else {
                tvPrice.setText(data.get(position).getList().get(0).getPrice()+"");
            }
        }

    }

    @Override
    public void onItemClick(int position) {
        startActivity(new Intent(ShoppingActivity.this,OrderActivity.class));
    }
    @Override
    public void onStart() {
        super.onStart();
        EventBus.getDefault().register(this);
    }

    @Override
    public void onStop() {
        super.onStop();
        EventBus.getDefault().unregister(this);
    }


    @Subscribe(threadMode = ThreadMode.MAIN)
    public void onMessageEvent(MessageEvent event) {
        Toast.makeText(ShoppingActivity.this, "数量是：" + event.getNum() + "价格是" + event.getPrice(), Toast.LENGTH_SHORT).show();
    }
}

购物车布局

购物车适配器

public class SubAdapter extends RecyclerView.Adapter {
    private Context context;
    private ArrayList list;
    private int shnagpinnumber;

    public SubAdapter(Context context, ArrayList list) {
        this.context = context;
        this.list = list;
    }

    @Override
    public SubViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
        View rootView = LayoutInflater.from(context).inflate(R.layout.subadapter, parent, false);
        SubViewHolder subViewHolder = new SubViewHolder(rootView);
        return subViewHolder;
    }

    @Override
    public void onBindViewHolder(final SubViewHolder holder, final int position) {
        String images = list.get(position).getList().get(0).getImages();
        if (images != null && images.contains("|")){
            String[] split = images.split("\\|");
            Picasso.get().load(split[0]).into(holder.iv_showIcon);
        }else {
            Picasso.get().load(images).into(holder.iv_showIcon);
        }
        holder.tv_showInfo.setText(list.get(position).getList().get(0).getTitle());
        holder.cb_choose.setChecked(list.get(position).getChecked());
        holder.text_price.setText(list.get(position).getList().get(0).getPrice()+"");
        holder.tb_toogle.setOnNumCallBack(new ToggleButton.OnNumCallBack() {
            @Override
            public void onShowNum(int number) {
                shnagpinnumber = number;
            }
        });
        holder.cb_choose.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
            @Override
            public void onCheckedChanged(CompoundButton compoundButton, boolean isChecked) {
                if (isChecked){
                    MessageEvent messageEvent = new MessageEvent();
                    messageEvent.setNum(shnagpinnumber);
                    messageEvent.setPrice(list.get(holder.getLayoutPosition()).getList().get(holder.getLayoutPosition()).getPrice());
                    EventBus.getDefault().post(messageEvent);
                }
            }
        });
    }

    @Override
    public int getItemCount() {
        return list.size();
    }

    class SubViewHolder extends RecyclerView.ViewHolder implements View.OnClickListener,View.OnLongClickListener{

        private ImageView iv_showIcon;
        private TextView tv_showInfo;
        private CheckBox cb_choose;
        private ToggleButton tb_toogle;
        private TextView text_price;

        public SubViewHolder(View itemView) {
            super(itemView);
            iv_showIcon = itemView.findViewById(R.id.iv_showIcon);
            tv_showInfo = itemView.findViewById(R.id.tv_showInfo);
            cb_choose = itemView.findViewById(R.id.cb_choose);
            tb_toogle = itemView.findViewById(R.id.tb_toogle);
            text_price = itemView.findViewById(R.id.text_price);
            cb_choose.setOnClickListener(this);
            itemView.setOnLongClickListener(this);
        }

        @Override
        public void onClick(View view) {
            int position = getLayoutPosition();
            boolean checked = cb_choose.isChecked();
            onItemCheckedListener.onItemChecked(position,checked);
        }

        @Override
        public boolean onLongClick(View view) {
            int position = getLayoutPosition();
            onItemClickListener.onItemClick(position);
            return false;
        }
    }
    public interface OnItemClickListener{
        void onItemClick(int position);
    }
    OnItemClickListener onItemClickListener;

    public void setOnItemClickListener(OnItemClickListener onItemClickListener) {
        this.onItemClickListener = onItemClickListener;
    }

    public interface OnItemCheckedListener{
        void onItemChecked(int position, boolean checked);
    }
    OnItemCheckedListener onItemCheckedListener;

    public void setOnItemCheckedListener(OnItemCheckedListener onItemCheckedListener) {
        this.onItemCheckedListener = onItemCheckedListener;
    }
}

购物车适配器布局

自定义加减器

public class ToggleButton extends LinearLayout implements View.OnClickListener{


    private TextView txt_delete;
    private TextView et_number;
    private TextView txt_add;

    public ToggleButton(Context context) {
        super(context);
    }

    public ToggleButton(Context context, @Nullable AttributeSet attrs) {
        super(context, attrs);
        initView(context);
    }

    private void initView(Context context) {
        LayoutInflater.from(context).inflate(R.layout.jiajian, this);
        txt_delete = findViewById(R.id.txt_delete);
        et_number = findViewById(R.id.et_number);
        txt_add = findViewById(R.id.txt_add);
        txt_delete.setOnClickListener(this);
        txt_add.setOnClickListener(this);
    }

    @Override
    public void onClick(View v) {
        String numberString = et_number.getText().toString();
        int number = Integer.parseInt(numberString);
        switch (v.getId()) {
            case R.id.txt_delete:
                if (number < 1) {
                    //todo
                    Toast.makeText(getContext(), "最小不能小于1", Toast.LENGTH_SHORT).show();
                    return;
                }
                number -= 1;
                et_number.setText(String.valueOf(number));
                //点击减号按钮时回传数字
                onNumCallBack.onShowNum(number);
                break;
            case R.id.txt_add:
                number += 1;
                et_number.setText(String.valueOf(number));
                //点击加号按钮时回传数字
                onNumCallBack.onShowNum(number);
                break;
        }
    }

    public interface OnNumCallBack {
        void onShowNum(int number);
    }

    public OnNumCallBack onNumCallBack;


    public void setOnNumCallBack(OnNumCallBack onNumCallBack) {
        this.onNumCallBack = onNumCallBack;
    }
}

加减器布局




    

    
    

订单页面

public class OrderActivity extends AppCompatActivity {

    @BindView(R.id.group)
    RadioGroup group;
    @BindView(R.id.pager)
    ViewPager pager;
    @BindView(R.id.but_pop)
    Button butPop;
    private List list;
    private Context context;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_order);
        ButterKnife.bind(this);
        context = this;
        list = new ArrayList<>();
        list.add(new FragmentOne());
        list.add(new FragmentTwo());
        list.add(new FragmentThree());
        pager.setAdapter(new FragmentPagerAdapter(getSupportFragmentManager()) {
            @Override
            public Fragment getItem(int i) {
                return list.get(i);
            }

            @Override
            public int getCount() {
                return list.size();
            }
        });
        pager.setOnPageChangeListener(new ViewPager.OnPageChangeListener() {
            @Override
            public void onPageScrolled(int i, float v, int i1) {

            }

            @Override
            public void onPageSelected(int i) {
                switch (i) {
                    case 0:
                        group.check(R.id.but1);
                        break;
                    case 1:
                        group.check(R.id.but2);
                        break;
                    case 2:
                        group.check(R.id.but3);
                        break;
                    default:
                        break;
                }
            }

            @Override
            public void onPageScrollStateChanged(int i) {

            }
        });
        group.setOnCheckedChangeListener(new RadioGroup.OnCheckedChangeListener() {
            @Override
            public void onCheckedChanged(RadioGroup radioGroup, int i) {
                switch (i) {
                    case R.id.but1:
                        pager.setCurrentItem(0);
                        break;
                    case R.id.but2:
                        pager.setCurrentItem(1);
                        break;
                    case R.id.but3:
                        pager.setCurrentItem(2);
                        break;
                }
            }
        });
    }

    @OnClick(R.id.but_pop)
    public void onViewClicked() {
        View rootView = LayoutInflater.from(context).inflate(R.layout.popup, null, false);
        TextView text_dzf = rootView.findViewById(R.id.text_dzf);
        TextView text_yqx = rootView.findViewById(R.id.text_yqx);
        TextView text_yzf = rootView.findViewById(R.id.text_yzf);
        PopupWindow popupWindow = new PopupWindow(rootView, 100, 140, true);
        popupWindow.setBackgroundDrawable(new ColorDrawable(Color.WHITE));
        popupWindow.setTouchable(true);
        popupWindow.showAsDropDown(butPop,0,10);
        text_dzf.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {

            }
        });
    }
}

订单页面布局

订单页面适配器

public class DingDanSubAdapter extends RecyclerView.Adapter {
    private Context context;
    private ArrayList list;

    public DingDanSubAdapter(Context context, ArrayList list) {
        this.context = context;
        this.list = list;
    }

    @Override
    public DingDanViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
        View rootView = LayoutInflater.from(context).inflate(R.layout.dingdanadapter, parent, false);
        DingDanViewHolder dingDanViewHolder = new DingDanViewHolder(rootView);
        return dingDanViewHolder;
    }

    @Override
    public void onBindViewHolder(DingDanViewHolder holder, int position) {
        holder.text_title.setText(list.get(position).getTitle());
        holder.text_price.setText(list.get(position).getPrice()+"");
        holder.text_time.setText(list.get(position).getCreatetime());
        if (list.get(position).getStatus() == 0){
            holder.text_zt.setText("待支付");
            holder.but_xy.setText("取消订单");
        }else if (list.get(position).getStatus() == 1){
            holder.text_zt.setText("已支付");
            holder.but_xy.setText("查看订单");
        }else if (list.get(position).getStatus() == 2){
            holder.text_zt.setText("已取消");
            holder.but_xy.setText("查看订单");
        }
    }

    @Override
    public int getItemCount() {
        return list.size();
    }

    class DingDanViewHolder extends RecyclerView.ViewHolder implements View.OnClickListener{

        private TextView text_title;
        private TextView text_price;
        private TextView text_time;
        private TextView text_zt;
        private Button but_xy;

        public DingDanViewHolder(View itemView) {
            super(itemView);
            text_title = itemView.findViewById(R.id.text_title);
            text_price = itemView.findViewById(R.id.text_price);
            text_time = itemView.findViewById(R.id.text_time);
            text_zt = itemView.findViewById(R.id.text_zt);
            but_xy = itemView.findViewById(R.id.but_xy);
            but_xy.setOnClickListener(this);
        }

        @Override
        public void onClick(View view) {
            int position = getLayoutPosition();
            String but = but_xy.getText().toString();
            onClickLisenter.onClick(position,but);
        }
    }
    public interface OnClickLisenter{
        void onClick(int position, String but);
    }
    OnClickLisenter onClickLisenter;

    public void setOnClickLisenter(OnClickLisenter onClickLisenter) {
        this.onClickLisenter = onClickLisenter;
    }
}

订单页面适配器布局

第一个Frament页面

public class FragmentOne extends Fragment implements ICorter.IView {

    Unbinder unbinder;
    @BindView(R.id.ding_rv)
    RecyclerView dingRv;
    private ICorter.IPresenter presenter;
    private static final String DAIZIFU = "https://www.zhaoapi.cn/product/updateOrder?uid=71";
    @Nullable
    @Override
    public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
        View view = inflater.inflate(R.layout.fragmentone, container, false);
        unbinder = ButterKnife.bind(this, view);
        presenter = new Presenter();
        presenter.actachView(this);
        presenter.requestInfos();
        return view;
    }

    @Override
    public void showData(String responseMsg) {

    }

    @Override
    public void showDatas(final String responseMsg) {
        getActivity().runOnUiThread(new Runnable() {
            @Override
            public void run() {
                final Gson gson = new Gson();
                DingdanBean dingdanBean = gson.fromJson(responseMsg, DingdanBean.class);
                final List data = dingdanBean.getData();
                LinearLayoutManager manager = new LinearLayoutManager(getActivity(), LinearLayoutManager.VERTICAL, false);
                dingRv.setLayoutManager(manager);
                final DingDanSubAdapter dingDanSubAdapter = new DingDanSubAdapter(getActivity(), (ArrayList) data);
                dingRv.setAdapter(dingDanSubAdapter);
                dingDanSubAdapter.setOnClickLisenter(new DingDanSubAdapter.OnClickLisenter() {
                    @Override
                    public void onClick(int position, String but) {
                        if (data.get(position).getStatus()==0){
                            AlertDialog.Builder builder = new AlertDialog.Builder(getActivity());
                            builder.setTitle("确认删除么?");
                            builder.setPositiveButton("确定", new DialogInterface.OnClickListener() {
                                @Override
                                public void onClick(DialogInterface dialogInterface, int i) {
                                    Toast.makeText(getActivity(), "订单已取消", Toast.LENGTH_SHORT).show();
                                }
                            });
                            builder.setNegativeButton("取消", new DialogInterface.OnClickListener() {
                                @Override
                                public void onClick(DialogInterface dialogInterface, int i) {

                                }
                            });
                            builder.show();
                        }else if (data.get(position).getStatus()==1){
                            Toast.makeText(getActivity(), "查看订单", Toast.LENGTH_SHORT).show();
                        }else if (data.get(position).getStatus()==2){
                            Toast.makeText(getActivity(), "查看订单", Toast.LENGTH_SHORT).show();
                        }
                    }
                });
            }
        });
    }

    @Override
    public void onDestroy() {
        super.onDestroy();
        presenter.detachView(this);
    }

    @Override
    public void onDestroyView() {
        super.onDestroyView();
        unbinder.unbind();
    }

}

布局

MessageEvent 数据
public class MessageEvent {
    private int num;
    private double price;

    public int getNum() {
        return num;
    }

    public void setNum(int num) {
        this.num = num;
    }

    public double getPrice() {
        return price;
    }

    public void setPrice(double price) {
        this.price = price;
    }
}