mvp 结合recycleview，简单实现条目点击时间，轮播图bannner的基本操作

来源：互联网发布：seo需要学什么编辑：程序博客网时间：2024/06/09 22:49

public interface ApiService {

    //http://api.expoon.com/AppNews/getNewsList/type/1/p/1  /*  @GET("type/1/p/1")    Observable<News> getHomes();*/    //http://api.svipmovie.com/front/columns/getVideoList.do?catalogId=402834815584e463015584e539330016&pnum=1    @POST    Observable<News> getHomess(@Url String url, @QueryMap Map<String, String> map);}

对应的相关依赖

    compile 'com.squareup.retrofit2:retrofit:2.0.1'    compile 'com.squareup.retrofit2:converter-gson:2.0.1'    compile 'com.squareup.retrofit2:adapter-rxjava:2.0.1'    compile 'io.reactivex:rxandroid:1.1.0'    compile 'com.squareup.okhttp3:logging-interceptor:3.4.1'    compile 'com.google.code.gson:gson:2.8.2'    compile 'com.jcodecraeer:xrecyclerview:1.3.2'    compile 'com.android.support:recyclerview-v7:24.0.0'    compile 'com.jakewharton:butterknife:7.0.1'//静态图片    compile 'com.facebook.fresco:fresco:0.12.0'// 支持 GIF 动图，需要添加    compile 'com.facebook.fresco:animated-gif:0.12.0'    compile 'com.android.support:design:23.4.0'    compile 'com.youth.banner:banner:1.4.9'    compile 'com.github.bumptech.glide:glide:3.7.0'    compile 'com.squareup.okio:okio:1.5.0'    compile(name: 'ijkplayer-java-release', ext: 'aar') /**编译ijkplayer-java-release.aar文件*/

//对应的相关权限

    <uses-permission android:name="android.permission.INTERNET" />    <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />    <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />    <uses-permission android:name="com.google.android.providers.gsf.permission.READ_GSERVICES" />

public class Api {   /* public static final String HOME_URL="http://api.expoon.com/AppNews/getNewsList/";*/    //http://api.svipmovie.com/front/columns/getVideoList.do?catalogId=402834815584e463015584e539330016&pnum=1    public static final String HOME_URL="http://api.svipmovie.com/front/";}

主页面的代码必须实现 Ivew层进行视图展示

public class MainActivity extends AppCompatActivity implements IView {    RecyclerView recycler;    HomeAdaper homeAdaper;    UserPresenter userpresenter;    Banner banner;    ArrayList mlist;    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_main);        banner = (Banner)findViewById(R.id.banner);recycler = (RecyclerView)findViewById(R.id.recycler) ;        recycler.setLayoutManager(new LinearLayoutManager(this));        userpresenter = new UserPresenter(this);        userpresenter.getUser(Api.HOME_URL);    }    @Override    public void getNews(List<News.RetBean.ListBean> list) {        recycler.setAdapter(homeAdaper = new HomeAdaper(this,list));        mlist = new ArrayList();        for (int i = 0; i < list.size(); i++) {            mlist.add(list.get(i).getPic());        }        banner.setImageLoader(new GlideImageLoader());        banner.setImages(mlist);        banner.start();        homeAdaper.setOnItemClickLitener(new HomeAdaper.OnItemClickLitener()        {            @Override            public void onItemClick(View view, int position)            {                Toast.makeText(MainActivity.this, position + " click",                        Toast.LENGTH_SHORT).show();                Intent intent = new Intent(MainActivity.this,Main2Activity.class);                startActivity(intent);            }            @Override            public void onItemLongClick(View view, int position)            {                Toast.makeText(MainActivity.this, position + " long click",                        Toast.LENGTH_SHORT).show();            }        });    }}

//下面就是model层作用是好说操作，网络请求数据

public interface IModel {    void getUrl(String url);}

对应相关实现类来实现上面定义的接口和重写它的方法

public class UserModel implements IModel {    List<News.RetBean.ListBean> list;    private OnFinish onFinish;    public interface OnFinish{        void OnFinishListener(List<News.RetBean.ListBean> list);    }    public void setOnFinish(OnFinish onFinish){        this.onFinish = onFinish;    }    @Override    public void getUrl(String url) {        list = new ArrayList<>();        HashMap<String,String> map = new HashMap<>();        map.put("catalogId","402834815584e463015584e539330016");        map.put("pnum","1");        Retrofit retrofit = new Retrofit.Builder().baseUrl(url).addConverterFactory(GsonConverterFactory.create()).addCallAdapterFactory(RxJavaCallAdapterFactory.create()).build();        ApiService apiService = retrofit.create(ApiService.class);        Observable<News> homes = apiService.getHomess(url+"columns/getVideoList.do",map);        homes.subscribeOn(Schedulers.io())                .observeOn(AndroidSchedulers.mainThread())                .subscribe(new Observer<News>() {                    @Override                    public void onCompleted() {                    }                    @Override                    public void onError(Throwable e) {                        Log.d("mylog", "onNext: "+"失败");                        e.printStackTrace();                    }                    @Override                    public void onNext(News newss) {                        list = newss.getRet().getList();                        onFinish.OnFinishListener(UserModel.this.list);                        Log.d("mylog", "onNext: "+"成功");                    }                });    }}

//下面就是presenter层来进行实现它的方法和用来交互两层联系处理业务

public class UserPresenter implements UserModel.OnFinish {    private final IView userView;    private final UserModel userModel;    public UserPresenter(IView userView) {        this.userView = userView;        this.userModel = new UserModel();        userModel.setOnFinish(this);    }    public void getUser(String url){        userModel.getUrl(url);    }    @Override    public void OnFinishListener(List<News.RetBean.ListBean> list) {        userView.getNews(list);    }}

对应的view 它是视图层用来实现对应页面接收用户进行联系

public interface IView {    void getNews(List<News.RetBean.ListBean> list);}

对应的单立模式创建一个实列初始化注意事项要在对应的清单文件中

    android:name=".utils.Myapp"

public class Myapp  extends Application{    public static Myapp mInstance;    @Override    public void onCreate() {        super.onCreate();        mInstance = this;        Fresco.initialize(this);    }    public static Myapp getInstance() {        return mInstance;    }}

下面就是就是对应的布局

RelativeLayout 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"    tools:context="com.eightgroup.dsxyuelao.MainActivity">    <com.youth.banner.Banner        android:id="@+id/banner"        android:layout_width="wrap_content"        android:layout_height="250dp">    </com.youth.banner.Banner>    <android.support.v7.widget.RecyclerView        android:layout_below="@+id/banner"        android:id="@+id/recycler"        android:layout_width="wrap_content"        android:layout_height="wrap_content">    </android.support.v7.widget.RecyclerView></RelativeLayout>

对应的适配器的子布局

<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"    android:layout_width="wrap_content"    android:layout_height="wrap_content"    android:orientation="vertical"    xmlns:fresco="http://schemas.android.com/apk/res-auto">    <com.facebook.drawee.view.SimpleDraweeView        android:id="@+id/img"        android:layout_width="100dp"        android:layout_height="100dp"        fresco:placeholderImage="@mipmap/ic_launcher"        fresco:placeholderImageScaleType="focusCrop"        />    <TextView        android:gravity="center"        android:id="@+id/tv"        android:layout_width="wrap_content"        android:layout_height="wrap_content" /></LinearLayout>

//主要的就是适配器进行的的上下文有参构造，还有返回参数和三个方法

public class HomeAdaper extends  RecyclerView.Adapter   {    Context context;    List<News.RetBean.ListBean> list;    public HomeAdaper(Context context, List<News.RetBean.ListBean> list) {        this.context = context;        this.list = list;    }    public interface OnItemClickLitener    {        void onItemClick(View view, int position);        void onItemLongClick(View view , int position);    }    private OnItemClickLitener mOnItemClickLitener;    public void setOnItemClickLitener(OnItemClickLitener mOnItemClickLitener)    {        this.mOnItemClickLitener = mOnItemClickLitener;    }    @Override    public RecyclerView.ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {        MyViewHolder holder1 = new MyViewHolder(LayoutInflater.from(                context).inflate(R.layout.listview, parent,                false));        return holder1;    }    @Override    public void onBindViewHolder(final RecyclerView.ViewHolder holder, int position) {        MyViewHolder holder1 = (MyViewHolder) holder;        holder1.tv.setText(list.get(position).getTitle());        holder1.draweeView1.setImageURI(list.get(position).getPic());        //创建DraweeController        DraweeController controller = Fresco.newDraweeControllerBuilder()                //重试之后要加载的图片URI地址                .setUri(list.get(position).getPic())                //设置点击重试是否开启                .setTapToRetryEnabled(true)                //动画播放                .setAutoPlayAnimations(true)                //设置旧的Controller                .setOldController(holder1.draweeView1.getController())                //构建                .build();        //设置DraweeController        holder1.draweeView1.setController(controller);        if (mOnItemClickLitener != null) {            holder.itemView.setOnClickListener(new View.OnClickListener() {                @Override                public void onClick(View v) {                    int pos = holder.getLayoutPosition();                    mOnItemClickLitener.onItemClick(holder.itemView, pos);                }            });        }    }    @Override    public int getItemCount() {        return list.size();    }    class MyViewHolder extends RecyclerView.ViewHolder {        SimpleDraweeView draweeView1;        TextView tv;        public MyViewHolder(View view) {            super(view);            tv = (TextView) view.findViewById(R.id.tv);            draweeView1 = (SimpleDraweeView) view.findViewById(R.id.img);        }    }}

实现banner轮播图

public class GlideImageLoader extends ImageLoader {    public void displayImage(Context context, Object path, ImageView imageView) {        Glide.with(context).load(path).into(imageView);    }}

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