MVP+登陆注册RecyclerView显示数据
来源：互联网 发布：js解析json数据object 编辑：程序博客网 时间：2024/05/16 07:33
废话不多话，直接上代码，有登陆，注册，RecyclerView线性布局显示数据 ，加载与刷新
Goodsbean 商品信息类
Loginbean登陆
RegBean注册
Model层
public interface IMainModel { public void postReg(String url, Map<String, String> params, OnNetListener<RegBean> onNetListener); public void PostLogin(String url, Map<String, String> params, OnNetListener<LoginBean> onNetListener); public void postGoods(String url, Map<String, Integer> params, OnNetListener<GoodsBean> onNetListener);}public class MainModel implements IMainModel{ private Handler handler = new Handler(); /** * POST注册 * @param url * @param params * @param onNetListener */ @Override public void postReg(String url, Map<String, String> params, final OnNetListener<RegBean> onNetListener) { HttpUtils.getHttpUtils().doPost(url, params, new Callback() { @Override public void onFailure(Call call, IOException e) { onNetListener.onFailure(e); } @Override public void onResponse(Call call, Response response) throws IOException { String string = response.body().string(); final RegBean regBean = new Gson().fromJson(string, RegBean.class); handler.post(new Runnable() { @Override public void run() { onNetListener.onSuccess(regBean); } }); } }); } /** * POST登陆 * @param url * @param params * @param onNetListener */ @Override public void PostLogin(String url, Map<String, String> params, final OnNetListener<LoginBean> onNetListener) { HttpUtils.getHttpUtils().doPost(url, params, new Callback() { @Override public void onFailure(Call call, IOException e) { onNetListener.onFailure(e); } @Override public void onResponse(Call call, Response response) throws IOException { String string = response.body().string(); final LoginBean loginBean = new Gson().fromJson(string, LoginBean.class); handler.post(new Runnable() { @Override public void run() { onNetListener.onSuccess(loginBean); } }); } }); } @Override public void postGoods(String url, Map<String, Integer> params, final OnNetListener<GoodsBean> onNetListener) { HttpUtils.getHttpUtils().doPostGoods(url, params, new Callback() { @Override public void onFailure(Call call, IOException e) { onNetListener.onFailure(e); } @Override public void onResponse(Call call, Response response) throws IOException { String string = response.body().string(); final GoodsBean goodsBean = new Gson().fromJson(string, GoodsBean.class); handler.post(new Runnable() { @Override public void run() { onNetListener.onSuccess(goodsBean); } }); } }); }}Net层
public interface Api { public static final String REGURL = "http://120.27.23.105/user/reg"; public static final String LOGINURL = "http://120.27.23.105/user/login"; public static final String SHOWURL = "http://120.27.23.105/product/getProducts";}public class HttpUtils { public static volatile HttpUtils httpUtils; public final OkHttpClient okHttpClient; public HttpUtils() { okHttpClient = new OkHttpClient(); } /** * 单例模式 * @param * @return */ public static HttpUtils getHttpUtils() { if (httpUtils == null) { synchronized (HttpUtils.class) { if (httpUtils == null) { httpUtils = new HttpUtils(); } } } return httpUtils; } /** * Get 请求 */ public void doGet(String url, Callback callback) { //创建一个Resquest Request request = new Request.Builder().url(url).build(); okHttpClient.newCall(request).enqueue(callback); } /** * post请求 */ public void doPost(String url, Map<String, String> params, Callback callback) { //创建一个请求 FormBody.Builder builder = new FormBody.Builder(); for (Map.Entry<String, String> entry : params.entrySet()) { builder.add(entry.getKey(), entry.getValue()); } FormBody formbody = builder.build(); Request request = new Request.Builder().url(url).post(formbody).build(); okHttpClient.newCall(request).enqueue(callback); } /** * post请求获取商品 */ public void doPostGoods(String url, Map<String, Integer> params, Callback callback) { //创建一个请求 FormBody.Builder builder = new FormBody.Builder(); for (Map.Entry<String, Integer> entry : params.entrySet()) { builder.add(entry.getKey(), entry.getValue()+""); } FormBody formbody = builder.build(); Request request = new Request.Builder().url(url).post(formbody).build(); okHttpClient.newCall(request).enqueue(callback); }}public interface OnNetListener<T> { public void onSuccess(T t); public void onFailure(Exception e);}p层
public class MainPresenter { private IMainModel iMainModel; private IMainActivity iMainActivity; private IRegActivity iRegActivity; private IUserActivity iUserActivity; public MainPresenter(IMainActivity iMainActivity) { this.iMainActivity = iMainActivity; iMainModel = new MainModel(); } public MainPresenter(IRegActivity iRegActivity) { this.iRegActivity = iRegActivity; iMainModel = new MainModel(); } public MainPresenter(IUserActivity iUserActivity) { this.iUserActivity = iUserActivity; iMainModel = new MainModel(); } /** * PSOT注册 */ public void postReg(){ HashMap<String, String> params = new HashMap<>(); String phone = iRegActivity.getPhone(); String pwd = iRegActivity.getPwd(); boolean norm = isNorm(phone, pwd); if (!norm){ return; } params.put("mobile", phone); params.put("password",pwd); iMainModel.postReg(Api.REGURL, params, new OnNetListener<RegBean>() { @Override public void onSuccess(RegBean regBean) { iRegActivity.goLogin(regBean); } @Override public void onFailure(Exception e) { iRegActivity.showErro(e); } }); }; /** * POST登陆 */ public void postLogin(){ HashMap<String, String> params = new HashMap<>(); String phone = iMainActivity.getPhone(); String pwd = iMainActivity.getPwd(); boolean norm = isNorm(phone, pwd); if (!norm){ return; } params.put("mobile", phone); params.put("password",pwd); iMainModel.PostLogin(Api.LOGINURL, params, new OnNetListener<LoginBean>() { @Override public void onSuccess(LoginBean loginBean) { iMainActivity.goUser(loginBean); } @Override public void onFailure(Exception e) { iMainActivity.showErro(e); } }); }; /** * post获取商品数据 */ public void postGoods(int page){ HashMap<String, Integer> params = new HashMap<>(); params.put("pscid", 39); params.put("page",page); iMainModel.postGoods(Api.SHOWURL, params, new OnNetListener<GoodsBean>() { @Override public void onSuccess(GoodsBean goodsBean) { iUserActivity.showGoods(goodsBean); } @Override public void onFailure(Exception e) { iUserActivity.showErro(e); } }); } /** * 本地校验手机号和密码 * @param phone * @param pwd */ private boolean isNorm(String phone, String pwd) { if (phone.length() < 1 || pwd.length() < 6){ return false; }else { String num = "[1][358]\\d{9}"; if (TextUtils.isEmpty(phone)) { return false; } else { return true; } } }}View层的接口
public interface IMainActivity { public String getPhone(); public String getPwd(); public void showErro(Exception e); public void goUser(LoginBean loginBean);}public interface IRegActivity { public String getPhone(); public String getPwd(); public void showErro(Exception e); public void goLogin(RegBean regBean);}public interface IUserActivity { public void showErro(Exception e); public void showGoods(GoodsBean goodsBean);}Mainactivity
public class MainActivity extends AppCompatActivity implements View.OnClickListener, IMainActivity { /** * 请输入手机号 */ private EditText mEditphone; /** * 请输入密码 */ private EditText mEditpwd; /** * 注册 */ private Button mZc; /** * 登陆 */ private Button mLogin; private LinearLayout mActivityMain; private MainPresenter mainPresenter; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); initView(); mainPresenter = new MainPresenter(this); } private void initView() { mEditphone = (EditText) findViewById(R.id.editphone); mEditpwd = (EditText) findViewById(R.id.editpwd); mZc = (Button) findViewById(R.id.zc); mZc.setOnClickListener(this); mLogin = (Button) findViewById(R.id.login); mLogin.setOnClickListener(this); mActivityMain = (LinearLayout) findViewById(R.id.activity_main); } @Override public void onClick(View v) { switch (v.getId()) { case R.id.zc: Intent intent = new Intent(MainActivity.this,RegActivity.class); startActivity(intent); break; case R.id.login: mainPresenter.postLogin(); break; } } @Override public String getPhone() { return mEditphone.getText().toString().trim(); } @Override public String getPwd() { return mEditpwd.getText().toString().trim(); } @Override public void showErro(Exception e) { Toast.makeText(MainActivity.this,e+"", Toast.LENGTH_SHORT).show(); } @Override public void goUser(LoginBean loginBean) { if (loginBean.getCode().equals("0")){ Intent intent = new Intent(MainActivity.this,UserActivity.class); startActivity(intent); } Toast.makeText(MainActivity.this,loginBean.getMsg(),Toast.LENGTH_SHORT).show(); }}适配器
public class MyRVAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder>{ private Context context; private List<GoodsBean.DataBean> list; public MyRVAdapter(Context context, List<GoodsBean.DataBean> list) { this.context = context; this.list = list; } @Override public RecyclerView.ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) { View view = LayoutInflater.from(context).inflate(R.layout.rv_item,parent,false); return new MyViewHolder(view); } @Override public void onBindViewHolder(RecyclerView.ViewHolder holder, int position) { MyViewHolder myViewHolder = (MyViewHolder) holder; GoodsBean.DataBean dataBean = list.get(position); String[] split = dataBean.getImages().split("\\|"); Glide.with(context).load(split[0]).into(myViewHolder.iv); myViewHolder.title.setText(dataBean.getTitle()); myViewHolder.pricelow.setText("原价:￥"+dataBean.getSalenum()); myViewHolder.pricenew.setText("优惠价:￥"+dataBean.getPrice()); } @Override public int getItemCount() { return list.size(); } class MyViewHolder extends RecyclerView.ViewHolder{ private final ImageView iv; private final TextView title; private final TextView pricelow; private final TextView pricenew; public MyViewHolder(View itemView) { super(itemView); iv = itemView.findViewById(R.id.rv_item_iv); title = itemView.findViewById(R.id.rv_item_tvTitle); pricelow = itemView.findViewById(R.id.rv_item_tvPricelow); pricelow.getPaint().setFlags(Paint.STRIKE_THRU_TEXT_FLAG); pricenew = itemView.findViewById(R.id.rv_item_tvPricenew); } }}注册
public class RegActivity extends AppCompatActivity implements View.OnClickListener,IRegActivity { /** * 请输入手机号 */ private EditText mEditphone; /** * 请输入密码 */ private EditText mEditpwd; /** * 注册 */ private Button mZc; private MainPresenter mainPresenter; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_reg); initView(); mainPresenter = new MainPresenter(this); } private void initView() { mEditphone = (EditText) findViewById(R.id.editphone); mEditpwd = (EditText) findViewById(R.id.editpwd); mZc = (Button) findViewById(R.id.zc); mZc.setOnClickListener(this); } @Override public void onClick(View v) { switch (v.getId()) { case R.id.zc: mainPresenter.postReg(); break; } } @Override public String getPhone() { return mEditphone.getText().toString().trim(); } @Override public String getPwd() { return mEditpwd.getText().toString().trim(); } @Override public void showErro(Exception e) { Toast.makeText(RegActivity.this,e+"", Toast.LENGTH_SHORT).show(); } @Override public void goLogin(RegBean regBean) { if (regBean.getCode().equals("0")){ Intent intent = new Intent(RegActivity.this,MainActivity.class); startActivity(intent); } Toast.makeText(RegActivity.this,regBean.getMsg(),Toast.LENGTH_SHORT).show(); }}public class UserActivity extends AppCompatActivity implements IUserActivity { private RecyclerView mRv; private MainPresenter mainPresenter; private int page = 1; private List<GoodsBean.DataBean> list = new ArrayList<>(); private SwipeRefreshLayout swipeRefreshLayout; private MyRVAdapter adapter; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_user); initView(); mainPresenter = new MainPresenter(this); mainPresenter.postGoods(page); LinearLayoutManager manager = new LinearLayoutManager(this); mRv.setLayoutManager(manager); /** * 刷新 */ swipeRefreshLayout.setOnRefreshListener(new SwipeRefreshLayout.OnRefreshListener() { @Override public void onRefresh() { page =1; mainPresenter.postGoods(page); swipeRefreshLayout.setRefreshing(false); Toast.makeText(UserActivity.this,"数据刷新完成!!!",Toast.LENGTH_SHORT).show(); } }); /** * 加载更多 */ mRv.addOnScrollListener(new RecyclerView.OnScrollListener() { @Override public void onScrollStateChanged(RecyclerView recyclerView, int newState) { // 这里在加入判断，判断是否滑动到底部 if (newState == RecyclerView.SCROLL_STATE_IDLE) { LinearLayoutManager lm = (LinearLayoutManager) mRv.getLayoutManager(); if (lm.findLastVisibleItemPosition() == list.size() - 1) { List<String> dataNew = new ArrayList<>(); page++; mainPresenter.postGoods(page); adapter.notifyDataSetChanged(); Toast.makeText(UserActivity.this, "数据加载完成!!!", Toast.LENGTH_SHORT).show(); } } } @Override public void onScrolled(RecyclerView recyclerView, int dx, int dy) { super.onScrolled(recyclerView, dx, dy); } }); } private void initView() { mRv = (RecyclerView) findViewById(R.id.rv); swipeRefreshLayout = (SwipeRefreshLayout) findViewById(R.id.swipeRefreshLayout); } @Override public void showErro(Exception e) { Toast.makeText(UserActivity.this, e + "", Toast.LENGTH_SHORT).show(); } @Override public void showGoods(GoodsBean goodsBean) { List<GoodsBean.DataBean> data = goodsBean.getData(); if (data.size()==0){ Toast.makeText(UserActivity.this,"没有可以加载的数据了!!!",Toast.LENGTH_SHORT).show(); return; } list.addAll(data); adapter = new MyRVAdapter(this, list); mRv.setAdapter(adapter); }}main.xml
<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" android:id="@+id/activity_main" android:layout_width="match_parent" android:layout_height="match_parent" android:orientation="vertical" tools:context="mvpframework.bwie.com.loginregistrectclerview.MainActivity"> <TextView android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="登陆" android:textColor="@android:color/holo_red_dark" android:textSize="25sp" android:layout_marginTop="20dp" android:layout_gravity="center"/> <LinearLayout android:layout_width="wrap_content" android:layout_height="wrap_content" android:orientation="horizontal" android:layout_marginTop="50dp" android:layout_gravity="center"> <TextView android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="手机号:" android:textColor="@android:color/holo_blue_bright" android:textSize="16sp" android:textStyle="bold" /> <EditText android:layout_width="150dp" android:layout_height="wrap_content" android:hint="请输入手机号" android:id="@+id/editphone" /> </LinearLayout> <LinearLayout android:layout_width="wrap_content" android:layout_height="wrap_content" android:orientation="horizontal" android:layout_marginTop="20dp" android:layout_gravity="center"> <TextView android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="密码:" android:textColor="@android:color/holo_blue_bright" android:textSize="16sp" android:textStyle="bold" /> <EditText android:layout_width="150dp" android:layout_height="wrap_content" android:hint="请输入密码" android:id="@+id/editpwd" /> </LinearLayout> <LinearLayout android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_marginTop="30dp" android:layout_gravity="center" android:orientation="horizontal"> <Button android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="注册" android:id="@+id/zc"/> <Button android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="登陆" android:id="@+id/login"/> </LinearLayout></LinearLayout>
reg.xml
<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" android:id="@+id/activity_reg" android:layout_width="match_parent" android:layout_height="match_parent" android:orientation="vertical" tools:context="mvpframework.bwie.com.loginregistrectclerview.RegActivity"> <TextView android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="注册" android:textColor="@android:color/holo_red_dark" android:textSize="25sp" android:layout_marginTop="20dp" android:layout_gravity="center"/> <LinearLayout android:layout_width="wrap_content" android:layout_height="wrap_content" android:orientation="horizontal" android:layout_marginTop="50dp" android:layout_gravity="center"> <TextView android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="手机号:" android:textColor="@android:color/holo_blue_bright" android:textSize="16sp" android:textStyle="bold" /> <EditText android:layout_width="150dp" android:layout_height="wrap_content" android:hint="请输入手机号" android:id="@+id/editphone" /> </LinearLayout> <LinearLayout android:layout_width="wrap_content" android:layout_height="wrap_content" android:orientation="horizontal" android:layout_marginTop="20dp" android:layout_gravity="center"> <TextView android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="密码:" android:textColor="@android:color/holo_blue_bright" android:textSize="16sp" android:textStyle="bold" /> <EditText android:layout_width="150dp" android:layout_height="wrap_content" android:hint="请输入密码" android:id="@+id/editpwd" /> </LinearLayout> <LinearLayout android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_marginTop="30dp" android:layout_gravity="center" android:orientation="horizontal"> <Button android:layout_width="200dp" android:layout_height="wrap_content" android:text="注册" android:id="@+id/zc"/> </LinearLayout></LinearLayout>
user
<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" android:id="@+id/activity_user" android:layout_width="match_parent" android:layout_height="match_parent" android:orientation="vertical" tools:context="mvpframework.bwie.com.loginregistrectclerview.UserActivity"> <TextView android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="商品列表" android:textColor="@android:color/holo_red_dark" android:textSize="20sp" android:layout_gravity="center"/> <android.support.v4.widget.SwipeRefreshLayout android:layout_weight="1" android:layout_height="match_parent" android:layout_width="match_parent" android:id="@+id/swipeRefreshLayout"> <android.support.v7.widget.RecyclerView android:id="@+id/rv" android:layout_width="match_parent" android:layout_height="match_parent"> </android.support.v7.widget.RecyclerView> </android.support.v4.widget.SwipeRefreshLayout></LinearLayout>
rv_item
<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:orientation="vertical" android:layout_width="match_parent" android:layout_height="120dp"> <LinearLayout android:layout_width="match_parent" android:layout_height="100dp" android:gravity="center"> <ImageView android:id="@+id/rv_item_iv" android:layout_width="80dp" android:layout_height="80dp" android:background="@mipmap/ic_launcher"/> <LinearLayout android:layout_weight="1" android:orientation="vertical" android:layout_width="match_parent" android:layout_height="match_parent"> <TextView android:gravity="center_vertical" android:id="@+id/rv_item_tvTitle" android:layout_weight="1" android:layout_width="match_parent" android:layout_height="0dp" android:text="我是商品的标题,超过两横,末尾用..."/> <TextView android:gravity="center_vertical" android:id="@+id/rv_item_tvPricelow" android:layout_weight="1" android:layout_width="match_parent" android:layout_height="0dp" android:text="原价:￥199.99"/> <TextView android:gravity="center_vertical" android:id="@+id/rv_item_tvPricenew" android:layout_weight="1" android:layout_width="match_parent" android:layout_height="0dp" android:textColor="#ff3360" android:text="优惠价:￥99.99"/> </LinearLayout> </LinearLayout></LinearLayout>
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