Fatal编程技术网
  • java/
  • Java 尝试将水平recycleview嵌套到垂直recycleview中

Java 尝试将水平recycleview嵌套到垂直recycleview中

java android

Java 尝试将水平recycleview嵌套到垂直recycleview中,java,android,android-recyclerview,nested,Java,Android,Android Recyclerview,Nested,我是android新手，尝试在垂直循环视图中创建水平循环视图 我一直在关注这个博客： 但我觉得我的睡衣少了些什么，但我没能弄清楚。我的应用程序打开时崩溃 编辑：所以它不再崩溃了，但在日志中它说：com.example.movie\u ticket\u booking E/RecyclerView：没有连接适配器；跳过布局 RecycleviewAdapter.java public class RecycleviewAdapter extends RecyclerView.Adapter&l

我是android新手，尝试在垂直循环视图中创建水平循环视图

我一直在关注这个博客：

但我觉得我的睡衣少了些什么，但我没能弄清楚。我的应用程序打开时崩溃

编辑：所以它不再崩溃了，但在日志中它说：com.example.movie\u ticket\u booking E/RecyclerView：没有连接适配器；跳过布局

RecycleviewAdapter.java

  public class RecycleviewAdapter extends RecyclerView.Adapter<RecycleviewAdapter.recycleviewHolder> {
        private final ArrayList<String> cinemalist;
        //private LayoutInflater inflateboss;
        private Context mcontext;
CinemashowtimeDataSource dataSource=CinemashowtimeDataSource.getInstance();
CinemaShowtimeRepository dataRepository=CinemaShowtimeRepository.getInstance(dataSource);
    Date startTime = new Date(0, 0, 0, 10, 30);
    List<Showtime> listTimes = dataRepository.getListShowtimes(startTime);

    @NonNull
    @Override
    public recycleviewHolder onCreateViewHolder(@NonNull ViewGroup viewGroup, int i) {
        View cinemaView=LayoutInflater.from(viewGroup.getContext()).inflate(R.layout.cinema_view,null);
        recycleviewHolder holder=new recycleviewHolder(cinemaView);
        //return new recycleviewHolder(cinemaView,this);
        return  holder;
    }

    @Override
    public void onBindViewHolder(@NonNull recycleviewHolder recycleviewHolder, int i) {
        String current=cinemalist.get(i);
        cinemaAdapter showlist= new cinemaAdapter(mcontext,listTimes);
        recycleviewHolder.recyclerchild.setLayoutManager(new LinearLayoutManager(mcontext,LinearLayoutManager.HORIZONTAL,false));
        recycleviewHolder.recyclerchild.setAdapter(showlist);
        recycleviewHolder.cinema.setText(current);
        recycleviewHolder.recyclerchild.setNestedScrollingEnabled(false);
    }

    @Override
    public int getItemCount() {
        return cinemalist.size();
    }

    class recycleviewHolder extends RecyclerView.ViewHolder{
        public final RecyclerView recyclerchild;
        public final TextView cinema;
        //final RecycleviewAdapter adapterboss;

        public recycleviewHolder(@NonNull View cinemaView){
            super((cinemaView));
            recyclerchild=cinemaView.findViewById(R.id.recyleview1);
            cinema=cinemaView.findViewById(R.id.cinemaName);
            //this.adapterboss=adapter;
        }
    }

    public RecycleviewAdapter(Context context,ArrayList<String> cinema){
        this.cinemalist=cinema;
        this.mcontext=context;
        //inflateboss=LayoutInflater.from(context);
    }

}

public class cinemaAdapter extends RecyclerView.Adapter<cinemaAdapter.cinemaViewHolder> {

    //private final ArrayList<String> cinemalist;    //test array
    private final List<Showtime> showtimelist;
    private LayoutInflater inflate;


    class cinemaViewHolder extends RecyclerView.ViewHolder {
        //public final TextView cinemaItemView;
        public final Button showButton;
        final cinemaAdapter madapter;

        public cinemaViewHolder(@NonNull View itemView,cinemaAdapter adapter) {
            super(itemView);
            //cinemaItemView=itemView.findViewById(R.id.word);
            showButton=itemView.findViewById(R.id.showtime_button);
            this.madapter=adapter;
        }
    }
    /* TEST ADAPTER
    public cinemaAdapter(Context context,ArrayList<String> list){
        inflate=LayoutInflater.from(context);
        this.cinemalist=list;
    }*/

    // NEW ADAPTER
    public cinemaAdapter(Context context, List<Showtime> showtimes){
        inflate=LayoutInflater.from(context);
        this.showtimelist=showtimes;
    }

    @NonNull
    @Override
    public cinemaAdapter.cinemaViewHolder onCreateViewHolder(@NonNull ViewGroup viewGroup, int i) {
        View cinemaView=inflate.inflate(R.layout.showtime_view,viewGroup,false);
        return new cinemaViewHolder(cinemaView,this);
    }

    @Override
    public void onBindViewHolder(@NonNull cinemaAdapter.cinemaViewHolder cinemaViewHolder, int i) {
        //String mcurrent=cinemalist.get(i);
        //cinemaViewHolder.cinemaItemView.setText(mcurrent);
        String mcurrent=String.format( "%d : %d",showtimelist.get(i).getTime().getHours(),showtimelist.get(i).getTime().getMinutes());
        cinemaViewHolder.showButton.setText(mcurrent);
    }

    @Override
    public int getItemCount() {
        //return cinemalist.size();
        return showtimelist.size();
    }

}
公共类RecycleView适配器扩展了RecycleView.Adapter{ 私人最终ArrayList影院名单； //私人停车场；更平坦的充气桥； 私有上下文； CinemashowtimeDataSource dataSource=CinemashowtimeDataSource.getInstance（）； CinemaShowtimeRepository dataRepository=CinemaShowtimeRepository.getInstance（数据源）； 日期开始时间=新日期（0,0,0,10,30）； List listTimes=dataRepository.getListShowtimes（startTime）； @非空 @凌驾 public recycleviewHolder onCreateViewHolder（@NonNull ViewGroup ViewGroup，int i）{ View cinemaView=LayoutInflater.from（viewGroup.getContext（））.flate（R.layout.cinema\u视图，null）； RecycleViewWorder支架=新的RecycleViewWorder（cinemaView）； //返回新的RecycleView文件夹（cinemaView，此）； 报税表持有人； } @凌驾 BindViewHolder上的公共无效（@NonNull recycleviewHolder recycleviewHolder，int i）{ 字符串当前=cinemalist.get（i）； cinemaAdapter showlist=新的cinemaAdapter（mcontext，listTimes）； recycleviewHolder.recyclerchild.setLayoutManager（新的LinearLayoutManager（mcontext，LinearLayoutManager.HORIZONTAL，false））； recycleviewHolder.recyclerchild.setAdapter（显示列表）； recycleviewHolder.cinema.setText（当前）； recycleviewHolder.recyclerchild.setNestedScrollingEnabled（false）； } @凌驾 public int getItemCount（）{ 返回cinemalist.size（）； } 类recycleviewHolder扩展了RecycleView.ViewHolder{ 公共最终回收商查看回收商儿童； 公共影院； //最终循环水适配器支架； 公共回收文件夹（@NonNull View-cinemaView）{ 超级（（cinemaView））； recyclerchild=cinemaView.findViewById（R.id.recyleview1）； cinema=cinemaView.findViewById（R.id.cinemaName）； //this.adapterboss=适配器； } } 公共循环电子适配器（上下文、ArrayList电影院）{ this.cinemalist=电影院； this.mcontext=上下文； //inflateboss=LayoutInflater.from（上下文）； } } cinemaAdapter.java

  public class RecycleviewAdapter extends RecyclerView.Adapter<RecycleviewAdapter.recycleviewHolder> {
        private final ArrayList<String> cinemalist;
        //private LayoutInflater inflateboss;
        private Context mcontext;
CinemashowtimeDataSource dataSource=CinemashowtimeDataSource.getInstance();
CinemaShowtimeRepository dataRepository=CinemaShowtimeRepository.getInstance(dataSource);
    Date startTime = new Date(0, 0, 0, 10, 30);
    List<Showtime> listTimes = dataRepository.getListShowtimes(startTime);

    @NonNull
    @Override
    public recycleviewHolder onCreateViewHolder(@NonNull ViewGroup viewGroup, int i) {
        View cinemaView=LayoutInflater.from(viewGroup.getContext()).inflate(R.layout.cinema_view,null);
        recycleviewHolder holder=new recycleviewHolder(cinemaView);
        //return new recycleviewHolder(cinemaView,this);
        return  holder;
    }

    @Override
    public void onBindViewHolder(@NonNull recycleviewHolder recycleviewHolder, int i) {
        String current=cinemalist.get(i);
        cinemaAdapter showlist= new cinemaAdapter(mcontext,listTimes);
        recycleviewHolder.recyclerchild.setLayoutManager(new LinearLayoutManager(mcontext,LinearLayoutManager.HORIZONTAL,false));
        recycleviewHolder.recyclerchild.setAdapter(showlist);
        recycleviewHolder.cinema.setText(current);
        recycleviewHolder.recyclerchild.setNestedScrollingEnabled(false);
    }

    @Override
    public int getItemCount() {
        return cinemalist.size();
    }

    class recycleviewHolder extends RecyclerView.ViewHolder{
        public final RecyclerView recyclerchild;
        public final TextView cinema;
        //final RecycleviewAdapter adapterboss;

        public recycleviewHolder(@NonNull View cinemaView){
            super((cinemaView));
            recyclerchild=cinemaView.findViewById(R.id.recyleview1);
            cinema=cinemaView.findViewById(R.id.cinemaName);
            //this.adapterboss=adapter;
        }
    }

    public RecycleviewAdapter(Context context,ArrayList<String> cinema){
        this.cinemalist=cinema;
        this.mcontext=context;
        //inflateboss=LayoutInflater.from(context);
    }

}

public class cinemaAdapter extends RecyclerView.Adapter<cinemaAdapter.cinemaViewHolder> {

    //private final ArrayList<String> cinemalist;    //test array
    private final List<Showtime> showtimelist;
    private LayoutInflater inflate;


    class cinemaViewHolder extends RecyclerView.ViewHolder {
        //public final TextView cinemaItemView;
        public final Button showButton;
        final cinemaAdapter madapter;

        public cinemaViewHolder(@NonNull View itemView,cinemaAdapter adapter) {
            super(itemView);
            //cinemaItemView=itemView.findViewById(R.id.word);
            showButton=itemView.findViewById(R.id.showtime_button);
            this.madapter=adapter;
        }
    }
    /* TEST ADAPTER
    public cinemaAdapter(Context context,ArrayList<String> list){
        inflate=LayoutInflater.from(context);
        this.cinemalist=list;
    }*/

    // NEW ADAPTER
    public cinemaAdapter(Context context, List<Showtime> showtimes){
        inflate=LayoutInflater.from(context);
        this.showtimelist=showtimes;
    }

    @NonNull
    @Override
    public cinemaAdapter.cinemaViewHolder onCreateViewHolder(@NonNull ViewGroup viewGroup, int i) {
        View cinemaView=inflate.inflate(R.layout.showtime_view,viewGroup,false);
        return new cinemaViewHolder(cinemaView,this);
    }

    @Override
    public void onBindViewHolder(@NonNull cinemaAdapter.cinemaViewHolder cinemaViewHolder, int i) {
        //String mcurrent=cinemalist.get(i);
        //cinemaViewHolder.cinemaItemView.setText(mcurrent);
        String mcurrent=String.format( "%d : %d",showtimelist.get(i).getTime().getHours(),showtimelist.get(i).getTime().getMinutes());
        cinemaViewHolder.showButton.setText(mcurrent);
    }

    @Override
    public int getItemCount() {
        //return cinemalist.size();
        return showtimelist.size();
    }

}

公共类cinemaAdapter扩展了RecyclerView.Adapter{
//私有最终数组列表cinemalist；//测试数组
私人最终名单显示时间；
私人住宅价格上涨；
类cinemaViewHolder扩展了RecyclerView.ViewHolder{
//公共最终文本视图cinemaItemView；
公共最终按钮显示按钮；
最终电影配音器；
公共cinemaViewHolder（@NonNull视图项视图，cinemaAdapter适配器）{
超级（项目视图）；
//cinemaItemView=itemView.findViewById（R.id.word）；
showButton=itemView.findViewById（R.id.showtime_按钮）；
这个.madapter=适配器；
}
}
/*测试适配器
公共cinemaAdapter（上下文上下文、ArrayList列表）{
充气=从（上下文）开始更平；
this.cinemalist=list；
}*/
//新适配器
公共cinemaAdapter（上下文上下文、列表显示时间）{
充气=从（上下文）开始更平；
this.showtimelist=showtimes；
}
@非空
@凌驾
public cinemaAdapter.cinemaViewHolder onCreateViewHolder（@NonNull ViewGroup ViewGroup，int i）{
视图cinemaView=充气。充气（R.layout.showtime\u视图，视图组，false）；
返回新的cinemaView支架（cinemaView，本）；
}
@凌驾
公共无效onBindViewHolder（@NonNull cinemaAdapter.cinemaViewHolder cinemaViewHolder，int i）{
//字符串mcurrent=cinemalist.get（i）；
//cinemaViewHolder.cinemaItemView.setText（MCCurrent）；
String mcurrent=String.format（“%d:%d”、showtimelist.get（i）.getTime（）.getHours（）、showtimelist.get（i）.getTime（）.getMinutes（））；
cinemaViewHolder.showButton.setText（MCCurrent）；
}
@凌驾
public int getItemCount（）{
//返回cinemalist.size（）；
返回showtimelist.size（）；
}
}
MainActivity.java

public class MainActivity extends AppCompatActivity {
    private  final String TAG = this.getClass().getSimpleName();;
    private final ArrayList<String> cinemalist=new ArrayList<>();
    private RecyclerView mRecycleView;
    private cinemaAdapter madapter;
    private RecycleviewAdapter radapter;
    CinemashowtimeDataSource dataSource;
    CinemaShowtimeRepository dataRepository;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        Toolbar toolbar = findViewById(R.id.toolbar);
        setSupportActionBar(toolbar);
        getSupportActionBar().hide();

        //initial arraylist
        cinemalist.add("Cgv The Dark Kngiht");
        cinemalist.add("Cgv Avater");
        cinemalist.add("Cgv Star Wars");
        cinemalist.add("Cgv Avenger");
        cinemalist.add("Cgv Night crawler");
        cinemalist.add("Cgv Southpaw");

        //////////////////////////////////
        dataSource = CinemashowtimeDataSource.getInstance();
        dataRepository = CinemaShowtimeRepository.getInstance(dataSource);

        //    get the sample movie information data from data repository
        MovieInfo movie = dataRepository.getMovieInfo();
        Log.d(TAG, String.format("Movie title: %s", movie.getMovieTitle()));

        //    get list of date from data repository with start date. It will get 10 dates from dummy
        // data source
        Date startDate = new Date(2019, 05, 28);
        List<Date> listDates = dataRepository.getListDates(startDate);
        for (Date date : listDates) {
            Log.d(
                    TAG,
                    String.format("d/M/y = %d / %d / %d ;", date.getDate(), date.getMonth(), date.getYear()));
        }

        //    get list of showtimes from data repository with starting time. It will get 10 showtimes
        // from dummy data source
        Date startTime = new Date(0, 0, 0, 10, 30);
        List<Showtime> listTimes = dataRepository.getListShowtimes(startTime);

        //horizontal recycleview working
        //mRecycleView =findViewById(R.id.parent_recycleview);
        //madapter=new cinemaAdapter(this,listTimes);
        //mRecycleView.setAdapter(madapter);
        //mRecycleView.setLayoutManager(new GridLayoutManager(this,1,GridLayoutManager.HORIZONTAL,false));


        mRecycleView =findViewById(R.id.parent_recycleview);
        radapter=new RecycleviewAdapter(this,cinemalist);
        mRecycleView.setAdapter(madapter);
        mRecycleView.setLayoutManager(new LinearLayoutManager(this,LinearLayoutManager.VERTICAL,false));


        for (Showtime time : listTimes) {
            Log.d(
                    TAG,
                    String.format(
                            "h:m = %d : %d; is available = %b",
                            time.getTime().getHours(), time.getTime().getMinutes(), time.isAvailable()));
        }
        //////////////////////////////////////////////////

        FloatingActionButton fab = findViewById(R.id.fab);
        fab.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                Snackbar.make(view, "Replace with your own action", Snackbar.LENGTH_LONG)
                        .setAction("Action", null).show();
            }
        });

    }
    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        // Inflate the menu; this adds items to the action bar if it is present.
        getMenuInflater().inflate(R.menu.menu_main, menu);
        return true;
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        // Handle action bar item clicks here. The action bar will
        // automatically handle clicks on the Home/Up button, so long
        // as you specify a parent activity in AndroidManifest.xml.
        int id = item.getItemId();

        //noinspection SimplifiableIfStatement
        if (id == R.id.action_settings) {
            return true;
        }

        return super.onOptionsItemSelected(item);
    }

}

public类MainActivity扩展了AppCompatActivity{
私有最终字符串标记=this.getClass（）.getSimpleName（）；；
private final ArrayList cinemalist=新ArrayList（）；
私人回收视图mRecycleView；
私人影院；
私人回收雷达；
CinemashowtimeDataSource数据源；
CinemaShowtimeRepository数据存储库；
@凌驾
创建时受保护的void（Bundle savedInstanceState）{
super.onCreate（savedInstanceState）；
setContentView（R.layout.activity_main）；
Toolbar Toolbar=findviewbyd（R.id.Toolbar）；
设置支持操作栏（工具栏）；
getSupportActionBar（）.hide（）；
//初始阵列列表
添加（“Cgv黑暗克林希特”）；
添加（“Cgv Avater”）；
电影列表。添加（“Cgv星球大战”）；
添加（“Cgv复仇者”）；
添加（“Cgv夜间爬虫”）；
添加（“Cgv左撇子”）；
//////////////////////////////////
dataSource=CinemashowtimeDataSource.getInstance（）；
dataRepository=CinemaShowtimeRepository.getInstance（数据源）；
//从数据存储库获取示例电影信息数据
MovieInfo movie=dataRepository.getMovieInfo（）；
Log.d（TAG，String.format（“电影标题：%s”，Movie.getMovieTitle（））；
//从数据存储库中获取具有开始日期的日期列表。它将从dummy中获取10个日期
//数据源
起始日期

<?xml version="1.0" encoding="utf-8"?>
<android.support.v7.widget.CardView xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="80dp"
    android:layout_height="26dp"
    android:layout_marginTop="10dp"
    android:layout_marginStart="20dp"
    xmlns:app="http://schemas.android.com/apk/res-auto">
    <Button
        android:layout_height="26dp"
        android:layout_width="match_parent"
        android:layout_gravity="center_horizontal"
        android:id="@+id/showtime_button"
        android:background="@drawable/button_border"
        android:text=""
        android:elevation="4dp"
        android:clickable="true"
        android:focusable="auto"/>
</android.support.v7.widget.CardView>