MVP注册登录和XListView刷新加载

//model层(接口和类)

public interface ILoginModel {void login(String mobile,String password,ILoginPrestenter iLoginPrestenter);}

package lianxi.bawei.com.mvp_login_regin_zhanshi.login.model;import android.os.Handler;import java.io.IOException;import lianxi.bawei.com.mvp_login_regin_zhanshi.login.api.Constants;
import lianxi.bawei.com.mvp_login_regin_zhanshi.login.presenter.ILoginPrestenter;
import okhttp3.Call;
import okhttp3.Callback;
import okhttp3.OkHttpClient;
import okhttp3.Request;
import okhttp3.Response;

//MVP当中的Model层 : 业务逻辑，网络请求
public class LoginModel implements ILoginModel{private Handler handler=new Handler();@Override
    public void login(String mobile, String password, final ILoginPrestenter iLoginPrestenter) {String url= Constants.LOGIN+"?mobile="+mobile+"&password="+password;OkHttpClient okHttpClient=new OkHttpClient();Request request=new Request.Builder().get().url(url).build();Call call = okHttpClient.newCall(request);call.enqueue(new Callback() {//子线程
            @Override
            public void onFailure(Call call, final IOException e) {handler.post(new Runnable() {@Override
                    public void run() {iLoginPrestenter.onFailed(e.getMessage());}});}@Override
            public void onResponse(Call call, Response response) throws IOException {if(response.isSuccessful()){final String result = response.body().string();handler.post(new Runnable() {@Override
                        public void run() {iLoginPrestenter.onSuccess(result);}});}}});}
}

//presenter（接口和类）

package lianxi.bawei.com.mvp_login_regin_zhanshi.login.presenter;

public interface ILoginPrestenter {void login(String mobile,String password);void onFailed(String msg);void onSuccess(Object obj);//销毁
    void onDestory();
}

package lianxi.bawei.com.mvp_login_regin_zhanshi.login.presenter;import android.widget.Toast;import com.google.gson.Gson;import lianxi.bawei.com.mvp_login_regin_zhanshi.MainActivity;
import lianxi.bawei.com.mvp_login_regin_zhanshi.login.bean.LoginInfo;
import lianxi.bawei.com.mvp_login_regin_zhanshi.login.model.LoginModel;
import lianxi.bawei.com.mvp_login_regin_zhanshi.login.view.IMainView;

public class LoginPresenter implements ILoginPrestenter{private IMainView iMainView;private LoginModel loginModel;public LoginPresenter(IMainView iMainView) {this.iMainView = iMainView;loginModel=new LoginModel();}@Override
    public void login(String mobile, String password) {loginModel.login(mobile,password,this);}@Override
    public void onFailed(String msg) {if(iMainView == null){return;}iMainView.onFailed(msg);}@Override
    public void onSuccess(Object obj) {//判空处理
        if(iMainView == null){return;}//解析
        Gson gson=new Gson();LoginInfo loginInfo = gson.fromJson(obj.toString(), LoginInfo.class);String code = loginInfo.getCode();if("0".equals(code)){iMainView.onSuccess(loginInfo.getMsg());}else{iMainView.onFailed(loginInfo.getMsg());}}@Override
    public void onDestory() {if(iMainView == null){iMainView=null;}}
}

//view(接口和MainActivity)

package lianxi.bawei.com.mvp_login_regin_zhanshi.login.view;

public interface IMainView {void onFailed(String msg);void onSuccess(Object obj);
}

package lianxi.bawei.com.mvp_login_regin_zhanshi;import android.content.Intent;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.EditText;
import android.widget.Toast;import lianxi.bawei.com.mvp_login_regin_zhanshi.login.presenter.LoginPresenter;
import lianxi.bawei.com.mvp_login_regin_zhanshi.login.view.IMainView;
import lianxi.bawei.com.mvp_login_regin_zhanshi.login.view.LoginActivity;public class MainActivity extends AppCompatActivity implements IMainView{private EditText etMobile;private EditText etPassword;private LoginPresenter loginPresenter;@Override
    protected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_main);//找控件
        etMobile = (EditText) findViewById(R.id.etMobile);etPassword = (EditText) findViewById(R.id.etPassword);//创建Presenter对象
        loginPresenter=new LoginPresenter(this);}//登录点击事件
    public void btnLogin(View view){//获取输入框的数据
        String mobile = etMobile.getText().toString().trim();String password = etPassword.getText().toString().trim();//调用loginpresenter方法
        loginPresenter.login(mobile,password);}//注册点击事件
    public void btnResiger(View view){Intent intent=new Intent(MainActivity.this, LoginActivity.class);startActivity(intent);}@Override
    public void onFailed(String msg) {Toast.makeText(this,"失败信息:"+msg,Toast.LENGTH_SHORT).show();}@Override
    public void onSuccess(Object obj) {//显示操作
        Toast.makeText(this,"操作成功:"+obj.toString(),Toast.LENGTH_SHORT).show();//跳转主页Activity
        Intent intent=new Intent(MainActivity.this,SecActivity.class);startActivity(intent);finish();}@Override
    protected void onDestroy() {super.onDestroy();//解绑,防止内存泄漏
        loginPresenter.onDestory();}
}

//注册ResigerActivity

package lianxi.bawei.com.mvp_login_regin_zhanshi.login.view;import android.content.Intent;
import android.os.Handler;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.EditText;
import android.widget.Toast;import com.google.gson.Gson;import java.io.IOException;import lianxi.bawei.com.mvp_login_regin_zhanshi.MainActivity;
import lianxi.bawei.com.mvp_login_regin_zhanshi.R;
import lianxi.bawei.com.mvp_login_regin_zhanshi.login.api.Constants;
import lianxi.bawei.com.mvp_login_regin_zhanshi.login.bean.SuperClass;
import lianxi.bawei.com.mvp_login_regin_zhanshi.login.presenter.ILoginPrestenter;
import okhttp3.Call;
import okhttp3.Callback;
import okhttp3.OkHttpClient;
import okhttp3.Request;
import okhttp3.Response;public class LoginActivity extends AppCompatActivity {private EditText tel;private EditText pass;private Handler handler=new Handler();@Override
    protected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_login);tel = (EditText) findViewById(R.id.tel);pass = (EditText) findViewById(R.id.pass);}public void btnResiger1(View view) {String a = tel.getText().toString();String b = pass.getText().toString();OkHttpClient okHttpClient = new OkHttpClient();Request request = new Request.Builder().get().url("http://120.27.23.105/user/reg?mobile=" + a + "&password=" + b).build();Call call = okHttpClient.newCall(request);call.enqueue(new Callback() {private String str;@Override
            public void onFailure(Call call, IOException e) {}@Override
            public void onResponse(Call call, Response response) throws IOException {str = response.body().string();handler.post(new Runnable() {@Override
                    public void run() {Gson gson=new Gson();SuperClass superClass = gson.fromJson(str, SuperClass.class);String code = superClass.getCode();if(code.equals("1")){Toast.makeText(LoginActivity.this,superClass.getMsg(),Toast.LENGTH_SHORT).show();return;}else{Toast.makeText(LoginActivity.this,"注册成功",Toast.LENGTH_SHORT).show();finish();}}});}});}
}

//contants(存放接口)

package lianxi.bawei.com.mvp_login_regin_zhanshi.login.api;

public class Constants {//http://120.27.23.105/user/login
    //http://120.27.23.105/user/reg

    public static final String HOST_HOME="http://120.27.23.105";public static final String LOGIN=HOST_HOME+"/user/login";public static final String RESIGER=HOST_HOME+"/user/login";
}

//bean包里解析获得的数据

....

//utils

package lianxi.bawei.com.mvp_login_regin_zhanshi.show.utils;import android.util.Log;import java.io.InputStream;
import java.net.HttpURLConnection;
import java.net.URL;

public class NetWorkUtils {public String getJsonByHttpurlConnection(String jsonUrl){URL url=null;HttpURLConnection urlConnection=null;String data="";try {url=new URL(jsonUrl);urlConnection = (HttpURLConnection) url.openConnection();urlConnection.setConnectTimeout(5000);urlConnection.setReadTimeout(5000);int responseCode = urlConnection.getResponseCode();if(responseCode==200){InputStream inputStream = urlConnection.getInputStream();byte[] b=new byte[1024];int len=0;while((len=inputStream.read(b))!=-1){String str=new String(b,0,len);data+=str;}Log.d("TAG",data);}} catch (Exception e) {e.printStackTrace();}return data;}}

//图片Myapp

package lianxi.bawei.com.mvp_login_regin_zhanshi.show.app;import android.app.Application;import com.nostra13.universalimageloader.core.ImageLoader;
import com.nostra13.universalimageloader.core.ImageLoaderConfiguration;

public class MyApp extends Application{@Override
    public void onCreate() {super.onCreate();ImageLoaderConfiguration build = new ImageLoaderConfiguration.Builder(this).build();ImageLoader.getInstance().init(build);}
}

//适配器

package lianxi.bawei.com.mvp_login_regin_zhanshi.show.adapter1;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.nostra13.universalimageloader.core.ImageLoader;import java.util.List;import lianxi.bawei.com.mvp_login_regin_zhanshi.R;
import lianxi.bawei.com.mvp_login_regin_zhanshi.show.bean.GoodsClass;

public class MyAdapter1 extends BaseAdapter {private List<GoodsClass.DataBean> list;private Context context;public MyAdapter1(List<GoodsClass.DataBean> list, Context context) {this.list = list;this.context = context;}@Override
    public int getCount() {return list.size();}@Override
    public Object getItem(int position) {return list.get(position);}@Override
    public long getItemId(int position) {return position;}@Override
    public View getView(int position, View convertView, ViewGroup viewGroup) {ViewHolder holder;if (convertView == null) {convertView = View.inflate(context, R.layout.list_view_layout, null);holder = new ViewHolder();holder.imageView = (ImageView) convertView.findViewById(R.id.imageView);holder.text01 = (TextView) convertView.findViewById(R.id.text01);holder.text02 = (TextView) convertView.findViewById(R.id.text02);convertView.setTag(holder);} else {holder = (ViewHolder) convertView.getTag();}holder.text01.setText(list.get(position).getTitle());holder.text02.setText(list.get(position).getCreatetime());ImageLoader.getInstance().displayImage(list.get(position).getImages(),holder.imageView);return convertView;}public class ViewHolder {private ImageView imageView;private TextView text01,text02;}
}

//activity_sec布局

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:id="@+id/activity_sec"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context="lianxi.bawei.com.mvp_login_regin_zhanshi.SecActivity"><lianxi.bawei.com.mvp_login_regin_zhanshi.XListView
       android:id="@+id/xlv"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
       />
</RelativeLayout>

//注册

<uses-permission android:name="android.permission.INTERNET"/>（还需要写加载图片的权限）

//导入的依赖

compile 'com.squareup.okhttp3:okhttp:3.2.0'
compile 'com.google.code.gson:gson:2.2.4'
compile files('libs/universal-image-loader-1.9.5.jar')

//需要导入XListView的包等

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