andriod開發利用MVP實現登錄註冊和加載網絡數據

-----------------------依賴------------------------------

compile 'com.nostra13.universalimageloader:universal-image-loader:1.9.5'

compile 'com.android.support:design:26+'

compile 'com.google.code.gson:gson:2.2.4'

compile 'com.github.userswlwork:pull-to-refresh:1.0.0'

compile 'com.youth.banner:banner:1.4.9'

compile 'com.android.support:recyclerview-v7:26.0.0-alpha1'

compile 'com.squareup.okhttp3:okhttp:3.4.1'

compile 'com.squareup.okio:okio:1.5.0'

compile 'com.github.bumptech.glide:glide:3.6.1'

--------------《Model》----------------------

<--IModel

package com.example.mvp_logintozhuce.Model;

import com.example.mvp_logintozhuce.Bean.User;



public interface IModel {
    //登錄和註冊的方法和各自監聽
    void Login(User user,ILoginListener iLoginListener);
    void Zhuce(User user,IZhuceListener zhuceListener);
}

<--IloadModel

package com.example.mvp_logintozhuce.Model;


//數據加載
public interface IloadModel {
    void showData(String url, OkHttpLoadListener okHttpLoadListener);

}

<--登錄的監聽

package com.example.mvp_logintozhuce.Model;

/**
 * 登錄監聽
 */

public interface ILoginListener {
    
    void LoginSuccess(String json);
    void LoginError(String error);
}

<--註冊的監聽

package com.example.mvp_logintozhuce.Model;

/**
 * 註冊監聽
 */

public interface IZhuceListener {
    //註冊監聽
    void ZhuceSuccess();
    void ZhuceError();
}

<--ImodelImpl實現類

package com.example.mvp_logintozhuce.Model;

import com.example.mvp_logintozhuce.Bean.User;
import com.example.mvp_logintozhuce.Utils.HttpConfig;
import com.example.mvp_logintozhuce.Utils.OkHttpUtils;

import org.json.JSONException;
import org.json.JSONObject;

/**
 * 實現類
 */

public class ModelImpl implements IModel, IloadModel {
    private int page = 0;

    //model的實現類
    private static final String TAG = "ModelImpl";

    @Override
    public void Login(User user, final ILoginListener iLoginListener) {
        //獲取賬號密碼
        String mobile = user.getMobile();
        String password = user.getPassword();
        //請求網絡
        OkHttpUtils okHttpUtils = new OkHttpUtils();
        okHttpUtils.setOkHttpLoadListener(new OkHttpLoadListener() {
            @Override
            public void loadSuccess(String json) {
                //成功就解析數據
                try {
                    JSONObject object = new JSONObject(json);
                    String code = object.getString("code");
                    if (code.equals("0")) {

                        iLoginListener.LoginSuccess(json);
                    } else {

                        iLoginListener.LoginError("失敗");
                    }
                } catch (JSONException e) {
                    e.printStackTrace();
                }

            }

            @Override
            public void loadError(String error) {
                iLoginListener.LoginError(error);
            }
        });
        //獲取url接口 - 登錄
        okHttpUtils.okHttpGet(HttpConfig.login_url + "?mobile=" + mobile + "&password=" + password);

    }

    @Override
    public void Zhuce(User user, final IZhuceListener zhuceListener) {
        String mobile = user.getMobile();
        String password = user.getPassword();
        //OKhttp
        OkHttpUtils okHttpUtils = new OkHttpUtils();
        okHttpUtils.setOkHttpLoadListener(new OkHttpLoadListener() {
            @Override
            public void loadSuccess(String json) {
                try {
                    JSONObject object = new JSONObject(json);
                    String code = object.getString("code");
                    if (code.equals("0")) {
                        zhuceListener.ZhuceSuccess();
                    } else {
                        zhuceListener.ZhuceError();
                    }

                } catch (JSONException e) {
                    e.printStackTrace();
                }
            }

            @Override
            public void loadError(String error) {
                zhuceListener.ZhuceError();
            }
        });
        okHttpUtils.okHttpGet(HttpConfig.reg_url + "?mobile=" + mobile + "&password=" + password);

    }


    //加載數據.
    @Override
    public void showData(String url, final OkHttpLoadListener okHttpLoadListener) {
        OkHttpUtils okHttpUtils = new OkHttpUtils();
        okHttpUtils.setOkHttpLoadListener(new OkHttpLoadListener() {
            @Override
            public void loadSuccess(String json) {
                okHttpLoadListener.loadSuccess(json);
            }

            @Override
            public void loadError(String error) {
                okHttpLoadListener.loadError(error);
            }
        });

        okHttpUtils.okHttpGet(HttpConfig.goods_url);

    }


}

<--網絡（okhttp）監聽

package com.example.mvp_logintozhuce.Model;

/**
 * 網絡監聽
 */

public interface OkHttpLoadListener {
    void loadSuccess(String json);
    void loadError(String error);
}

------------------《Precenter》----------------------------

package com.example.mvp_logintozhuce.Precenter;

import android.content.Context;

import com.example.mvp_logintozhuce.Model.IModel;
import com.example.mvp_logintozhuce.Model.IloadModel;
import com.example.mvp_logintozhuce.View.IGoodView;
import com.example.mvp_logintozhuce.View.Iview;

/**
 * author:Created by Guozhenwei on 2018/1/12.
 */

public interface IPrecenter {
    //登錄註冊相互關聯
    void login(IModel iModel, Iview iview);
    void zhuce (IModel iModel,Iview iview);
    void showData(Context context, IloadModel iloadModel, IGoodView iGoodView);

}

<--實現類

package com.example.mvp_logintozhuce.Precenter;

import android.content.Context;
import android.util.Log;
import android.widget.Toast;

import com.example.mvp_logintozhuce.Bean.Goods;
import com.example.mvp_logintozhuce.Bean.User;
import com.example.mvp_logintozhuce.Model.ILoginListener;
import com.example.mvp_logintozhuce.Model.IModel;
import com.example.mvp_logintozhuce.Model.IZhuceListener;
import com.example.mvp_logintozhuce.Model.IloadModel;
import com.example.mvp_logintozhuce.Model.OkHttpLoadListener;
import com.example.mvp_logintozhuce.Utils.HttpConfig;
import com.example.mvp_logintozhuce.View.IGoodView;
import com.example.mvp_logintozhuce.View.Iview;
import com.google.gson.Gson;

import java.util.List;




//實現類
public class PrecenterImpl implements IPrecenter {
    private static final String TAG = "LoginSuccess";

    @Override
    public void login(IModel iModel, final Iview iview) {
        //這裏調用Imodel登錄的方法
        iModel.Login(new User(iview.getName(), iview.getPwd()), new ILoginListener() {
            @Override
            public void LoginSuccess(String json) {

                //成功就調用view裏跳轉的方法
                iview.jumpActivity();
            }

            @Override
            public void LoginError(String error) {

                //失敗就調用view裏失敗的方法
                iview.showError();

            }
        });

    }

    //註冊的方法
    @Override
    public void zhuce(IModel iModel, final Iview iview) {
        iModel.Zhuce(new User(iview.getName(), iview.getPwd()), new IZhuceListener() {
            @Override
            public void ZhuceSuccess() {
                iview.jumpActivity();
            }

            @Override
            public void ZhuceError() {
                iview.showError();
            }
        });

    }

    @Override
    public void showData(final Context context, IloadModel iloadModel, final IGoodView iGoodView) {

        //調用iloadmodel的顯示數據的方法
        iloadModel.showData(HttpConfig.goods_url, new OkHttpLoadListener() {
            @Override
            public void loadSuccess(String json) {
                Toast.makeText(context,json,Toast.LENGTH_SHORT).show();
                Log.d(TAG, "loadSuccess() returned: " + "成功----");
                Gson gson = new Gson();
                Goods goods = gson.fromJson(json, Goods.class);
                List<Goods.DataBean> data = goods.getData();
                iGoodView.showDataToView(context,data);
            }

            @Override
            public void loadError(String error) {
                Toast.makeText(context, "失敗", Toast.LENGTH_SHORT).show();
            }
        });
    }
}

-----------------《View》-------------------------------

<--展示商品Activity

package com.example.mvp_logintozhuce.View;

import android.content.Context;
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.util.Log;

import com.example.mvp_logintozhuce.Bean.Goods;
import com.example.mvp_logintozhuce.Model.ModelImpl;
import com.example.mvp_logintozhuce.Precenter.PrecenterImpl;
import com.example.mvp_logintozhuce.R;
import com.handmark.pulltorefresh.library.PullToRefreshBase;
import com.handmark.pulltorefresh.library.PullToRefreshListView;

import java.util.List;

public class GoodsActivity extends AppCompatActivity implements IGoodView {

    private PullToRefreshListView pull;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_goods);
        PrecenterImpl precenter = new PrecenterImpl();
        precenter.showData(this,new ModelImpl(),this);

        pull = (PullToRefreshListView) findViewById(R.id.pull);
        pull.setMode(PullToRefreshBase.Mode.BOTH);//允許加載數據

    }


    private static final String TAG = "ContentActivity";
    //展示數據到view
    @Override
    public void showDataToView(Context context, List<Goods.DataBean> list) {
        Log.d(TAG, "showDataToView: "+list.toString()+"!!!!!!!!!!!!!!!!!!!!!");

        //添加適配器
        MyBaseAdpater myBaseAdpater = new MyBaseAdpater(context,list);
        pull.setAdapter(myBaseAdpater);
        myBaseAdpater.notifyDataSetChanged();

        
    }
}

<--登錄Activity

package com.example.mvp_logintozhuce.View;

import android.content.Intent;
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Toast;

import com.example.mvp_logintozhuce.Model.ModelImpl;
import com.example.mvp_logintozhuce.Precenter.PrecenterImpl;
import com.example.mvp_logintozhuce.R;

public class MainActivity extends AppCompatActivity implements Iview,View.OnClickListener {

    private EditText name;
    private EditText pwd;
    private Button login_but;
    private Button zhuce_but;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        //初始化控件
        initViews();
    }

    private void initViews() {
        name = (EditText) findViewById(R.id.name);
        pwd = (EditText) findViewById(R.id.pwd);
        login_but = (Button) findViewById(R.id.login);
        zhuce_but = (Button) findViewById(R.id.zhuce);
        login_but.setOnClickListener(this);
        zhuce_but.setOnClickListener(this);
    }

    @Override
    public String getName() {
        return name.getText().toString();
    }

    @Override
    public String getPwd() {
        return pwd.getText().toString();
    }

    @Override
    public void jumpActivity() {
        //成功就跳轉
        startActivity(new Intent(MainActivity.this,GoodsActivity.class));


    }

    @Override
    public void showError() {

        Toast.makeText(this, "登錄失敗", Toast.LENGTH_SHORT).show();
    }

    //按鈕事件
    @Override
    public void onClick(View view) {
          switch(view.getId()){
                  case R.id.login:
                      //回調
                      PrecenterImpl precenter = new PrecenterImpl();
                      precenter.login(new ModelImpl(),this);
                  break;
                  case R.id.zhuce:
                      startActivity(new Intent(MainActivity.this,RegActivity.class));

                  break;

              }
    }
}

<--註冊Activity

package com.example.mvp_logintozhuce.View;

import android.content.Intent;
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Toast;

import com.example.mvp_logintozhuce.Model.ModelImpl;
import com.example.mvp_logintozhuce.Precenter.PrecenterImpl;
import com.example.mvp_logintozhuce.R;

public class RegActivity extends AppCompatActivity implements Iview,View.OnClickListener {

    private EditText name2;
    private EditText pwd2;
    private Button but;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_reg);
        //初始化控件
        initViews();
    }

    private void initViews() {
        name2 = (EditText) findViewById(R.id.name2);
        pwd2 = (EditText) findViewById(R.id.pwd2);
        but = (Button) findViewById(R.id.reg);
        but.setOnClickListener(this);
    }

    @Override
    public String getName() {
        return name2.getText().toString();
    }

    @Override
    public String getPwd() {
        return pwd2.getText().toString();
    }

    @Override
    public void jumpActivity() {
        //註冊成功就跳轉登錄界面
        Toast.makeText(this, "註冊成功", Toast.LENGTH_SHORT).show();
        startActivity(new Intent(RegActivity.this,MainActivity.class));

    }

    @Override
    public void showError() {
        Toast.makeText(this, "註冊失敗", Toast.LENGTH_SHORT).show();
    }

    //註冊按鈕
    @Override
    public void onClick(View view) {
        PrecenterImpl precenter = new PrecenterImpl();
        precenter.zhuce(new ModelImpl(),this);

    }
}

<--展示商品的接口

package com.example.mvp_logintozhuce.View;

import android.content.Context;

import com.example.mvp_logintozhuce.Bean.Goods;

import java.util.List;



//展示商品接口
public interface IGoodView {
    void showDataToView(Context context, List<Goods.DataBean> list);
}

<--IView接口

package com.example.mvp_logintozhuce.View;



public interface Iview {
    //獲取用戶名密碼
    String getName();
    String getPwd();

    void jumpActivity();//跳轉的方法
    void showError();//顯示錯誤

}

<--適配器

package com.example.mvp_logintozhuce.View;

import android.content.Context;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.ImageView;
import android.widget.TextView;

import com.example.mvp_logintozhuce.Bean.Goods;
import com.example.mvp_logintozhuce.R;
import com.nostra13.universalimageloader.core.ImageLoader;

import java.util.List;



public class MyBaseAdpater extends BaseAdapter {

    private Context context;
    private List<Goods.DataBean> list;
    private ImageView img1;
    private ImageView img2;
    private TextView text;

    //有參構造
    public MyBaseAdpater(Context context, List<Goods.DataBean> list) {
        this.context = context;
        this.list = list;
    }

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

    @Override
    public Object getItem(int i) {
        return list.get(i);
    }

    @Override
    public long getItemId(int i) {
        return i;
    }

    @Override
    public View getView(int i, View view, ViewGroup viewGroup) {
        if (view == null) {
             view = View.inflate(context, R.layout.goods, null);
        }
        img1 = view.findViewById(R.id.img1);
        img2 = view.findViewById(R.id.img2);
        ImageLoader.getInstance().displayImage(list.get(i).getPic_url(),img1);
        text = (TextView) view.findViewById(R.id.text);
        text.setText(list.get(i).getNews_title());
        return view;
    }
}

---------------------《Utils》---------------------

<--OkHttpUtils

package com.example.mvp_logintozhuce.Utils;

import android.os.Handler;
import android.os.Message;

import com.example.mvp_logintozhuce.Model.OkHttpLoadListener;

import java.io.IOException;

import okhttp3.Call;
import okhttp3.Callback;
import okhttp3.OkHttpClient;
import okhttp3.Request;
import okhttp3.Response;

public class OkHttpUtils {
    private MyHandler myHandler = new MyHandler();
    private OkHttpLoadListener okHttpLoadListener;

    //get請求
    public void okHttpGet(String url) {
        OkHttpClient client = new OkHttpClient();
        Request builder = new Request.Builder().url(url).build();
        Call call = client.newCall(builder);
        call.enqueue(new Callback() {
            @Override
            public void onFailure(Call call, IOException e) {
                Message message = myHandler.obtainMessage();
                message.what = 0;
                message.obj = "失敗";
                myHandler.sendMessage(message);
            }

            @Override
            public void onResponse(Call call, Response response) throws IOException {
                Message message = myHandler.obtainMessage();
                message.what = 1;
                message.obj = response.body().string();
                myHandler.sendMessage(message);
            }
        });
    }

    class MyHandler extends Handler {
        @Override
        public void handleMessage(Message msg) {
            int i = msg.what;
            switch (i) {
                case 0:
                    String s = (String) msg.obj;
                    //調用接口
                    okHttpLoadListener.loadError(s);
                    break;
                case 1:
                    String json = (String) msg.obj;
                    okHttpLoadListener.loadSuccess(json);
                    break;
            }
        }
    }

    //接口回調
    public void setOkHttpLoadListener(OkHttpLoadListener okHttpLoadListener) {
        this.okHttpLoadListener = okHttpLoadListener;
    }


}

<--接口

package com.example.mvp_logintozhuce.Utils;

/**
 * author:Created by WangZhiQiang on 2018/1/8.
 */

public class HttpConfig {
    public static String login_url = "https://www.zhaoapi.cn/user/login";
    public static String reg_url = "https://www.zhaoapi.cn/user/reg";
    public static String goods_url = "http://api.expoon.com/AppNews/getNewsList/type/1/p/1";
}

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