MVP登錄註冊 RecycleView列表展示

BaseInterface

package com.bawei.myapplication.application;
public interface BaseInterface {
//P
    public interface PresenterInterface {
      public void toLogin(String phone, String pwd);
      public void toSign(String phone, String pwd);
    public void toShowList();
    public void onDeistry();
    }
//V
    public interface ViewInterface {
        public void showLogin(String str);
        public void showSign(String str);
}
    public interface ListViewInterface{
        public void showList(Object obj);
    }
 }

contance

package com.bawei.myapplication.application;

public class Contance {
    public static final String SIGN_URL="http://172.17.8.100/small/user/v1/register";
    public static final String LOGIN_URL="http://172.17.8.100/small/user/v1/login";
    public static final String LIST_URL="http://365jia.cn/news/api3/365jia/news/headline?page=1";

}

httputil

public class HttpUtils {
    //單例
    Contance contance;
    static HttpUtils utils;
    public OkHttpClient okHttpClient;

    private HttpUtils(){
        okHttpClient = new OkHttpClient.Builder().addInterceptor(new Interceptor() {
            @Override
            public Response intercept(Chain chain) throws IOException {
                Request request = chain.request();
                Response response = chain.proceed(request);
                return response;
            }
        }).build();
    }
    public static HttpUtils getInstance(){
        if(utils==null){
            utils=new HttpUtils();
        }
        return utils;
    }

    public void doGet(String url,Callback callback){
        Request request = new Request.Builder()
                .url(url)
                .get()
                .build();
        Call call = okHttpClient.newCall(request);
        call.enqueue(callback);
    }

    public void dopost(String url,String phone, String pwd, Callback callback){
        FormBody.Builder builder = new FormBody.Builder();
        builder.add("phone",phone);
        builder.add("pwd",pwd);
        RequestBody body = builder.build();
        Request request=new Request.Builder()
                .post(body)
                .url(url)
                .build();

        Call call= okHttpClient.newCall(request);
        call.enqueue(callback);
    }
}

M

public class MainModel{

MyCallback myCallback;
    Handler handler=new Handler(){
        @Override
        public void handleMessage(Message msg) {
            super.handleMessage(msg);
            String josn = (String) msg.obj;
            int type =msg.arg1;
            if (type==1){
                try {
                    JSONObject object=new JSONObject(josn);
                    String str=object.getString("message");
                    myCallback.success(str);
                } catch (JSONException e) {
                    e.printStackTrace();
                }
            }
            if (type==2){
                Gson gson=new Gson();
                JsonBean jsonBean=gson.fromJson(josn, JsonBean.class);
                myCallback.success(josn);
            }
        }
    };
    public void getRequst(){
        HttpUtils utile = HttpUtils.getInstance();
        utile.doGet(Contance.LIST_URL, new Callback() {
            @Override
            public void onFailure(Call call, IOException e) {
            }
            @Override
            public void onResponse(Call call, Response response) throws IOException {
                String json = response.body().string();
                Message message = new Message();
                message.obj = json;
                message.arg1 = 1;
                handler.sendMessage(message);
            }
        });
    }
   public void postRequst(String url,String phone,String pwd){
       HttpUtils utils=HttpUtils.getInstance();
        utils.dopost(url,phone, pwd, new Callback() {
            @Override
            public void onFailure(Call call, IOException e) {
            }
            @Override
            public void onResponse(Call call, Response response) throws IOException {
                String json = response.body().string();
                Message message = new Message();
                message.obj=json;
                message.arg1=1;
                handler.sendMessage(message);
            }
        });
   }
    public void setMyCallback(MyCallback myCallback){
        this.myCallback=myCallback;
    }
    public interface MyCallback{
        public void success(String mes);
    }
}

P

public class MainPresenter<T> implements BaseInterface.PresenterInterface {
    MainModel myModel;
    T tt;
public MainPresenter(T t){
    this.tt=t;
    myModel = new MainModel();
}
    @Override
    public void toLogin(String phone, String pwd) {
        myModel.setMyCallback(new MainModel.MyCallback() {
            @Override
            public void success(String mes) {
                ((BaseInterface.ViewInterface)tt).showLogin(mes);
            }
        });
        myModel.postRequst(Contance.LOGIN_URL,phone, pwd);
    }
    @Override
    public void toSign(String phone, String pwd) {
        myModel.setMyCallback(new MainModel.MyCallback() {
            @Override
            public void success(String mes) {
                ((BaseInterface.ViewInterface)tt).showSign(mes);
            }
        });
        myModel.postRequst(Contance.SIGN_URL,phone, pwd);
    }
    @Override
    public void toShowList() {
            myModel.setMyCallback(new MainModel.MyCallback() {
                @Override
                public void success(String mes) {
                   BaseInterface.ListViewInterface listViewInterface= ((BaseInterface.ListViewInterface)tt);
                   listViewInterface.showList(mes);
                }
            });
        myModel.getRequst();
    }
    @Override
    public void onDeistry() {
        if (tt!=null){
            tt=null;
        }
    }
}

V
main2

public class Main2Activity extends AppCompatActivity implements BaseInterface.ListViewInterface{
    BaseInterface.PresenterInterface pInterface;
    RecyclerView list;
    List<JsonBean.DataBeanX.DataBean> mlist=new ArrayList<>();
    MyAdapter myAdapter;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main2);
        list = findViewById(R.id.RecyclerView_id);
        LinearLayoutManager layoutManager = new LinearLayoutManager(this);
        layoutManager.setOrientation(LinearLayoutManager.VERTICAL);
        list.setLayoutManager(layoutManager);
        myAdapter = new MyAdapter(mlist,this);
        list.setAdapter(myAdapter);
        pInterface = new MainPresenter(this);
        pInterface.toShowList();
    }
    @Override
    public void showList(Object obj) {
        JsonBean jsonBean= (JsonBean) obj;
        mlist.addAll(jsonBean.getData().getData());
        myAdapter.notifyDataSetChanged();
    }
    @Override
    protected void onDestroy() {
        super.onDestroy();
        pInterface.onDeistry();
        pInterface=null;
    }
}

main

public class MainActivity extends AppCompatActivity implements BaseInterface.ViewInterface{

    BaseInterface.PresenterInterface pInterface;
    public EditText phone;
    public EditText pwd;
    public Button login;
    public Button sign;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        pInterface = new MainPresenter(this);
        initView();
    }
    public void initView() {
        phone = findViewById(R.id.phone_id);
        pwd = findViewById(R.id.pwd_id);
        login = findViewById(R.id.login_id);
        sign = findViewById(R.id.sign_id);
        login.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                String lphone = phone.getText().toString();
                String lpwd = pwd.getText().toString();
                pInterface.toLogin(lphone, lpwd);
            }
        });
        sign.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                String lphone = phone.getText().toString();
                String lpwd = pwd.getText().toString();
                pInterface.toSign(lphone, lpwd);
            }
        });
    }
    @Override
    public void showLogin(String str) {
        if (str.equals("登錄成功")){
            Toast.makeText(this, str, Toast.LENGTH_SHORT).show();
            Intent intent=new Intent(MainActivity.this,Main2Activity.class);
            startActivity(intent);
        }else {
            Toast.makeText(this, str, Toast.LENGTH_SHORT).show();
        }
    }
    @Override
    public void showSign(String str) {
        Toast.makeText(this, str, Toast.LENGTH_SHORT).show();
    }
}

adapter

public class MyAdapter extends RecyclerView.Adapter<MyAdapter.Holder> {
    List<JsonBean.DataBeanX.DataBean> list;
    Context context;
    int type=2;
    View view=null;
    public MyAdapter(List<JsonBean.DataBeanX.DataBean> list, Context context) {
        this.list=list;
        this.context=context;
    }
    @NonNull
    @Override
    public Holder onCreateViewHolder(@NonNull ViewGroup viewGroup, int i) {
        if (type==2){
            view = LayoutInflater.from(viewGroup.getContext()).inflate(R.layout.item, null);
        }
        return new Holder(view);
    }
    @Override
    public void onBindViewHolder(@NonNull Holder holder, int i) {
        if (type==2){
            String title=list.get(i).getTitle();
            String image="http://365jia.cn/uploads/"+list.get(i).getPics().get(0);
            if(holder !=null&&holder.title!=null){
                holder.title.setText(title);
                Glide.with(context).load(image).into(holder.image);
            }
        }
    }
    @Override
    public int getItemCount() {
        if (list!=null){
            return list.size();
        }
        return 0;
    }
    public class Holder extends RecyclerView.ViewHolder{
        public TextView title;
        public ImageView image;
        public Holder(@NonNull View itemView) {
            super(itemView);
            title = itemView.findViewById(R.id.tet);
            image = itemView.findViewById(R.id.image);
        }
    }
}