MVP实现Recy多条目展示

其他 2019-01-03 10:01:36 阅读次数: 0

IView

public interface IView {
    Context context();
}

DataCall–继承IView

public interface DataCall extends IView {
    void onSuccess(NewsBean newBean);

    void LoginSuccess(LoginBean loginBean);

    void onFaild(String error);
}

LoginModel

 public void getLogin(String moblie, String pwd, final IMainModelCallback2 iMainModelCallback) {
        OkHttpUtils oKhttpUtils = OkHttpUtils.getoKhttpUtils();
        //"http://www.zhaoapi.cn/user/login?mobile=" + mobile + "" + "&password=" + pwd
        oKhttpUtils.doGet(HttpConfig.urlLogin + "?mobile=" + moblie + "" + "&password=" + pwd, new OkHttpUtils.IOKhttpUtilsCallback() {
            @Override
            public void onFailure(String error) {
                if (iMainModelCallback != null) {
                    iMainModelCallback.getFaild(error);
                }
            }

            @Override
            public void onResponse(String json) {
                LoginBean loginBean = new Gson().fromJson(json, LoginBean.class);
                String code = loginBean.getCode();
                if (code.equals("0")) {
                    if (iMainModelCallback != null) {
                        iMainModelCallback.getSuccess(loginBean);
                    }
                } else {
                    if (iMainModelCallback != null) {
                        iMainModelCallback.getFaild("请求数据失败");
                    }
                }

            }
        });
    }

    public interface IMainModelCallback2 {
        void getSuccess(LoginBean loginBean);

        void getFaild(String error);
    }

NewsModel

 public void getNews(Integer page, final IMainModelCallback iMainModelCallback) {
        OkHttpUtils oKhttpUtils = OkHttpUtils.getoKhttpUtils();
        oKhttpUtils.doGet(HttpConfig.url + "?page=" + page, new OkHttpUtils.IOKhttpUtilsCallback() {
            @Override
            public void onFailure(String error) {
                if (iMainModelCallback != null) {
                    iMainModelCallback.getFaild(error);
                }
            }

            @Override
            public void onResponse(String json) {
                NewsBean newBean = new Gson().fromJson(json, NewsBean.class);
                int code = newBean.getCode();
                if (1 == code) {
                    if (iMainModelCallback != null) {
                        iMainModelCallback.getSuccess(newBean);
                    }
                } else {
                    if (iMainModelCallback != null) {
                        iMainModelCallback.getFaild("请求数据失败");
                    }
                }

            }
        });
    }

    public interface IMainModelCallback {
        void getSuccess(NewsBean newsBean);

        void getFaild(String error);
    }

HttpUtils

 public static OkHttpUtils oKhttpUtils;
    private final OkHttpClient okHttpClient;
    private final Handler handler;

    private OkHttpUtils() {
        //主线程Handler
        handler = new Handler(Looper.getMainLooper());
        okHttpClient = new OkHttpClient.Builder()
                .readTimeout(5000, TimeUnit.MILLISECONDS)
                .writeTimeout(5000, TimeUnit.MILLISECONDS)
                .connectTimeout(5000, TimeUnit.MILLISECONDS)
                .build();
    }

    public static OkHttpUtils getoKhttpUtils() {
        if (oKhttpUtils == null) {
            synchronized (OkHttpUtils.class) {
                if (oKhttpUtils == null) {
                    return oKhttpUtils = new OkHttpUtils();
                }
            }
        }
        return oKhttpUtils;
    }
    //异步get
    public void doGet(String url, final IOKhttpUtilsCallback ioKhttpUtilsCallback) {
        Request request = new Request.Builder()
                .get()
                .url(url)
                .build();
        Call call = okHttpClient.newCall(request);
        call.enqueue(new Callback() {
            @Override
            public void onFailure(Call call, final IOException e) {
                if (ioKhttpUtilsCallback != null) {
                    //切换到主线程
                    handler.post(new Runnable() {
                        @Override
                        public void run() {
                            ioKhttpUtilsCallback.onFailure(e.getMessage());
                        }
                    });
                }
            }


            @Override
            public void onResponse(Call call, Response response) throws IOException {
                if (response != null && response.isSuccessful()) {
                    final String json = response.body().string();
                    if (ioKhttpUtilsCallback != null) {
                        //切换到主线程
                        handler.post(new Runnable() {
                            @Override
                            public void run() {
                                ioKhttpUtilsCallback.onResponse(json);
                            }
                        });
                    }


                } else {
                    if (ioKhttpUtilsCallback != null) {
                        //切换到主线程
                        handler.post(new Runnable() {
                            @Override
                            public void run() {
                                ioKhttpUtilsCallback.onFailure("网络异常");
                            }
                        });
                    }
                }
            }
        });


    }


    //异步post
    public void doPost(String url, Map<String, String> map, final IOKhttpUtilsCallback ioKhttpUtilsCallback) {
        FormBody.Builder builder = new FormBody.Builder();
        for (Map.Entry<String, String> entry : map.entrySet()) {
            builder.add(entry.getKey(), entry.getValue());
        }
        FormBody formBody = builder.build();
        Request request = new Request.Builder()
                .post(formBody)
                .url(url)
                .build();
        Call call = okHttpClient.newCall(request);
        call.enqueue(new Callback() {
            @Override
            public void onFailure(Call call, final IOException e) {
                if (ioKhttpUtilsCallback != null) {
                    //切换到主线程
                    handler.post(new Runnable() {
                        @Override
                        public void run() {
                            ioKhttpUtilsCallback.onFailure(e.getMessage());
                        }
                    });
                }
            }


            @Override
            public void onResponse(Call call, Response response) throws IOException {
                if (response != null && response.isSuccessful()) {
                    final String json = response.body().string();
                    if (ioKhttpUtilsCallback != null) {
                        //切换到主线程
                        handler.post(new Runnable() {
                            @Override
                            public void run() {
                                ioKhttpUtilsCallback.onResponse(json);
                            }
                        });
                    }

                } else {
                    if (ioKhttpUtilsCallback != null) {
                        //切换到主线程
                        handler.post(new Runnable() {
                            @Override
                            public void run() {
                                ioKhttpUtilsCallback.onFailure("网络异常");
                            }
                        });
                    }
                }
            }
        });
    }


    //接口回调
    public interface IOKhttpUtilsCallback {
        void onFailure(String error);

        void onResponse(String json);
    }

BasePresenter–泛型继承Iview

public abstract class BasePresenter<V extends IView> {
    protected V view;

    public BasePresenter(V view) {
        this.view = view;
        initModel();
    }

    protected abstract void initModel();

    public void onDestroy() {
        view = null;
    }
}

LoginProsenter

在这里插入代码片public class LoginPresenter extends BasePresenter<DataCall> {


    private LoginModel loginModel;

    public LoginPresenter(DataCall view) {
        super(view);
    }

    @Override
    protected void initModel() {
        loginModel = new LoginModel();
    }

    public void getLogin(String moblie, String pwd) {
        loginModel.getLogin(moblie, pwd, new LoginModel.IMainModelCallback2() {
            @Override
            public void getSuccess(LoginBean loginBean) {
                if (view != null) {
                    view.LoginSuccess(loginBean);
                }
            }

            @Override
            public void getFaild(String error) {
                if (view != null) {
                    view.onFaild(error);
                }
            }
        });
    }
}

NewsPresenter

public class NewsPresenter extends BasePresenter<DataCall> {

    private NewsModel newsModel;

    public NewsPresenter(DataCall view) {
        super(view);
    }

    @Override
    protected void initModel() {
        newsModel = new NewsModel();
    }

    public void getNews(Integer page) {
        newsModel.getNews(page, new NewsModel.IMainModelCallback() {
            @Override
            public void getSuccess(NewsBean newsBean) {
                if (view != null) {
                    view.onSuccess(newsBean);
                }
            }
            @Override
            public void getFaild(String error) {
                if (view != null) {
                    view.onFaild(error);
                }
            }
        });
    }
}

多条目Adapter

public class MyAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder> {
    private List<NewsBean.DataBean> list;
    private static final int viewType01 = 0;
    private static final int viewType02 = 1;
    private Context context;

    public MyAdapter(List<NewsBean.DataBean> list, Context context) {
        this.list = list;
        this.context = context;
    }

    @Override
    public RecyclerView.ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
        View itemView01 = LayoutInflater.from(parent.getContext()).inflate(R.layout.item1, parent, false);
        View itemView02 = LayoutInflater.from(parent.getContext()).inflate(R.layout.item2, parent, false);
        if (viewType == viewType01) {
            return new MyViewHolder01(itemView01);
        }
        return new MyViewHolder02(itemView02);
    }

    @Override
    public void onBindViewHolder(RecyclerView.ViewHolder holder, final int position) {
        if (holder instanceof MyViewHolder01) {
            ((MyViewHolder01) holder).textView01.setText(list.get(position).getTitle());
            ((MyViewHolder01) holder).textView02.setText(list.get(position).getAuthor_name() + "描述");
            String url = list.get(position).getThumbnail_pic_s();
            Glide.with(context).load(url).into(((MyViewHolder01) holder).imageView);
            ((MyViewHolder01) holder).imageView.setOnClickListener(new View.OnClickListener() {
                @Override
                public void onClick(View v) {
                    onItemClickListener.OnItemClick(v, position);
                }
            });
            //长按
            ((MyViewHolder01) holder).imageView.setOnLongClickListener(new View.OnLongClickListener() {
                @Override
                public boolean onLongClick(View v) {
                    onItemLongClickListener.OnItemLongClick(v, position);
                    return true;
                }
            });
        } else if (holder instanceof MyViewHolder02) {
            ((MyViewHolder02) holder).textView01.setText(list.get(position).getTitle());
            ((MyViewHolder02) holder).textView02.setText(list.get(position).getAuthor_name());
            String url0 = list.get(position).getThumbnail_pic_s();
            String url1 = list.get(position).getThumbnail_pic_s02();
            String url2 = list.get(position).getThumbnail_pic_s03();
            Glide.with(context).load(url0).into(((MyViewHolder02) holder).imageView);
            Glide.with(context).load(url1).into(((MyViewHolder02) holder).imageView2);
            Glide.with(context).load(url2).into(((MyViewHolder02) holder).imageView3);
            //   ImageLoader.getInstance().displayImage(url0, ((MyViewHolder02) holder).imageView, MyApp.getOptions());
            ((MyViewHolder02) holder).imageView.setOnClickListener(new View.OnClickListener() {
                @Override
                public void onClick(View v) {
                    onItemClickListener.OnItemClick(v, position);
                }
            });
            ((MyViewHolder02) holder).imageView2.setOnClickListener(new View.OnClickListener() {
                @Override
                public void onClick(View v) {
                    onItemClickListener.OnItemClick(v, position);
                }
            });
            ((MyViewHolder02) holder).imageView3.setOnClickListener(new View.OnClickListener() {
                @Override
                public void onClick(View v) {
                    onItemClickListener.OnItemClick(v, position);
                }
            });
            holder.itemView.setOnLongClickListener(new View.OnLongClickListener() {
                @Override
                public boolean onLongClick(View v) {
                    onItemLongClickListener.OnItemLongClick(v, position);
                    return true;
                }
            });
        }
    }

    @Override
    public int getItemViewType(int position) {
        if (position % 2 == 0) {
            return viewType01;
        } else {
            return viewType02;
        }
    }

    @Override
    public int getItemCount() {
        return list == null ? 0 : list.size();
    }

    public class MyViewHolder01 extends RecyclerView.ViewHolder {
        private TextView textView01, textView02;
        private ImageView imageView;

        public MyViewHolder01(View itemView) {
            super(itemView);
            textView01 = itemView.findViewById(R.id.item_tv);
            textView02 = itemView.findViewById(R.id.item_tvv);
            imageView = itemView.findViewById(R.id.item_img);
        }
    }

    public class MyViewHolder02 extends RecyclerView.ViewHolder {
        private TextView textView01, textView02;
        private ImageView imageView, imageView2, imageView3;

        public MyViewHolder02(View itemView) {
            super(itemView);
            textView01 = itemView.findViewById(R.id.title);
            textView02 = itemView.findViewById(R.id.pinglun);
            imageView = itemView.findViewById(R.id.imageView);
            imageView2 = itemView.findViewById(R.id.imageView2);
            imageView3 = itemView.findViewById(R.id.imageView3);
        }
    }


    private OnItemClickListener onItemClickListener;

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

    public interface OnItemClickListener {
        void OnItemClick(View view, int position);
    }

    private OnItemLongClickListener onItemLongClickListener;

    public void setOnItemLongClickListener(OnItemLongClickListener onItemLongClickListener) {
        this.onItemLongClickListener = onItemLongClickListener;
    }

    public interface OnItemLongClickListener {
        void OnItemLongClick(View view, int position);
    }
}

BaseActivity

public abstract class BaseActivity<P extends BasePresenter> extends AppCompatActivity {
    protected P presenter;

    @Override
    protected void onCreate(@Nullable Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(provideLayoutId());
        initViews();
        initListener();
     presenter = providePresenter();
        initDatas();
    }

    protected abstract P providePresenter();

    protected abstract int provideLayoutId();

    protected abstract void initDatas();

    protected abstract void initListener();

    protected abstract void initViews();

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

LoginActivity

public class MainActivity extends AppCompatActivity implements View.OnClickListener, DataCall {
    private static final String TAG = "MainActivity+++++";
    private TextView mTxtName;
    /**
     * 登陆
     */
    private Button mBtnLogin;
    private RecyclerView mRecy;
    private MyAdapter adapter;
    private List<NewsBean.DataBean> list;
    private NewsPresenter presenter;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        initView();
        presenter.getNews(1);
        Intent intent = getIntent();
        String username = intent.getStringExtra("username");
        mTxtName.setText(username);
    }

    private void initView() {
        mTxtName = findViewById(R.id.txt_name);
        mBtnLogin = findViewById(R.id.btn_login);
        mBtnLogin.setOnClickListener(this);
        mRecy = findViewById(R.id.recy);
        presenter = new NewsPresenter(this);
    }

    @Override
    public void onClick(View v) {
        switch (v.getId()) {
            default:
                break;
            case R.id.btn_login:
                Intent intent = new Intent(MainActivity.this, ScendActivity.class);
                startActivity(intent);
                finish();
                break;
        }
    }

    @Override
    public void onSuccess(NewsBean newBean) {
        list = newBean.getData();
        LinearLayoutManager linearLayoutManager = new LinearLayoutManager(this);
        linearLayoutManager.setOrientation(LinearLayoutManager.VERTICAL);
        mRecy.setLayoutManager(linearLayoutManager);
        adapter = new MyAdapter(list, MainActivity.this);
        mRecy.setAdapter(adapter);
        //点击图片改变  透明
        adapter.setOnItemClickListener(new MyAdapter.OnItemClickListener() {
            @Override
            public void OnItemClick(View view, int position) {
                ObjectAnimator alpha = ObjectAnimator.ofFloat(view, "alpha", 1f, 0f, 1f);
                alpha.setDuration(5000);
                alpha.start();
            }
        });
        adapter.setOnItemLongClickListener(new MyAdapter.OnItemLongClickListener() {
            @Override
            public void OnItemLongClick(View view, final int position) {
                AlertDialog.Builder builder = new AlertDialog.Builder(MainActivity.this);
                builder.setTitle("数据");
                builder.setMessage("确定删除吗");
                builder.setPositiveButton("确定", new DialogInterface.OnClickListener() {
                    @Override
                    public void onClick(DialogInterface dialog, int which) {
                        list.remove(position);
                        adapter.notifyDataSetChanged();
                    }
                });
                builder.setNegativeButton("取消", null);
                builder.show();
            }
        });
    }

    @Override
    public void LoginSuccess(LoginBean loginBean) {

    }

    @Override
    public void onFaild(String error) {

    }

    @Override
    public Context context() {
        return this;
    }
}

NewsActivity

public class ScendActivity extends AppCompatActivity implements View.OnClickListener, DataCall {

    /**
     * 请输入用户名...
     */
    private EditText mEdName;
    /**
     * 请输入密码...
     */
    private EditText mEdPwd;
    /**
     * 登录登录
     */
    private Button mBtnLogin;
    private LoginPresenter presenter;
    private String moblie;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_scend);
        initView();
    }

    private void initView() {
        mEdName = findViewById(R.id.ed_name);
        mEdPwd = findViewById(R.id.ed_pwd);
        mBtnLogin = findViewById(R.id.btn_login);
        mBtnLogin.setOnClickListener(this);

        presenter = new LoginPresenter(this);
    }

    @Override
    public void onClick(View v) {
        switch (v.getId()) {
            default:
                break;
            case R.id.btn_login:
                moblie = mEdName.getText().toString().trim();
                String pwd = mEdPwd.getText().toString().trim();
                presenter.getLogin(moblie, pwd);

                break;
        }
    }

    @Override
    public void onSuccess(NewsBean newBean) {

    }

    @Override
    public void LoginSuccess(LoginBean loginBean) {
        Toast.makeText(ScendActivity.this, "" + loginBean.getMsg(), Toast.LENGTH_SHORT).show();
        Intent intent = new Intent(ScendActivity.this, MainActivity.class);
        intent.putExtra("username", moblie);
        startActivity(intent);
    }

    @Override
    public void onFaild(String error) {
        Toast.makeText(ScendActivity.this, "666666666666" , Toast.LENGTH_SHORT).show();

    }

    @Override
    public Context context() {
        return this;
    }
}

猜你喜欢

转载自blog.csdn.net/LG_lxb/article/details/85011685
今日推荐
《美国对全球网络空间安全与发展的威胁和破坏》报告发布
火速冲上 GitHub 热榜 —— 开源编程语言、框架哪有这么可爱？
北京人形机器人创新中心发布全球首个纯电驱拟人奔跑的全尺寸人形机器人“天工”
LFOSSA 源来如此公开课 | 掌握云原生未来：CNCF 认证全面攻略与备考秘籍
周排行
让自己的头脑极度开放
CentOS 6.5(x64) 和Redhat6.5操作系误删libc
高可用注册中心
【日记】12.28/【题解】AtCoder AGC041
XML（5）_XML 约束_DTD
Java集合Map（四）
树梅派安装桌面环境教程
pipenv 的 使用和安装
小程序白屏问题和内存研究
C语言简单选择排序
每日归档
更多
2024-05-02(0)
2024-05-01(4)
2024-04-30(1)
2024-04-29(40)
2024-04-28(0)
2024-04-27(56)
2024-04-26(39)
2024-04-25(22)
2024-04-24(36)
2024-04-23(26)

代码天地 © 2018 codetd.com

境外服务器   最新电视剧2022