Два столбца RecyclerView внутри scrollview

Question

Я хочу мои 2 столбца RecyclerView, то есть используя GridLayoutManager, внутри scrollview. Я нашел способ перевести один цикл recyclerview внутри scrollview из этого link, но я не могу понять, как поставить Grid RecyclerView внутри scrollview.

Answer 1

Я нашел решение. Работа идеально подходит для меня.

мой XML

<?xml version="1.0" encoding="utf-8"?> 
<RelativeLayout 
    xmlns:android="http://schemas.android.com/apk/res/android" 
    xmlns:tools="http://schemas.android.com/tools" 
    xmlns:app="http://schemas.android.com/apk/res-auto" 
    android:layout_width="match_parent" 
    android:layout_height="match_parent" 
    android:paddingLeft="@dimen/activity_horizontal_margin" 
    android:paddingRight="@dimen/activity_horizontal_margin" 
    android:paddingTop="@dimen/activity_vertical_margin" 
    android:paddingBottom="@dimen/activity_vertical_margin" 
    app:layout_behavior="@string/appbar_scrolling_view_behavior" 
    tools:showIn="@layout/activity_grid_recycler_view" 
    tools:context="com.example.recyclerview_horizontal.GridRecyclerView"> 

    <ScrollView 
     android:layout_width="match_parent" 
     android:fillViewport="true" 
     android:layout_height="match_parent"> 

     <LinearLayout 
      android:layout_width="match_parent" 
      android:layout_height="match_parent" 
      android:orientation="vertical"> 

      <TextView 
       android:layout_width="wrap_content" 
       android:layout_height="wrap_content" 
       android:text="Gridview inside scrollview" 
       android:layout_marginBottom="50dp"/> 
      <android.support.v7.widget.RecyclerView 
       android:id="@+id/my_recycler_view" 
       android:layout_width="match_parent" 
       android:layout_height="300dp" 
       /> 
      <TextView 
       android:layout_width="wrap_content" 
       android:layout_height="wrap_content" 
       android:text="Gridview inside scrollview" 
       /> 
     </LinearLayout> 
    </ScrollView> 
</RelativeLayout> 

MainActivity

package com.example.gridrecyclerviewscroll; 

import android.os.Bundle; 
import android.support.design.widget.FloatingActionButton; 
import android.support.design.widget.Snackbar; 
import android.support.v7.app.AppCompatActivity; 
import android.support.v7.widget.GridLayoutManager; 
import android.support.v7.widget.LinearLayoutManager; 
import android.support.v7.widget.RecyclerView; 
import android.support.v7.widget.Toolbar; 
import android.util.Log; 
import android.view.View; 
import android.view.Menu; 
import android.view.MenuItem; 
import android.widget.TextView; 

import java.util.ArrayList; 

public class MainActivity extends AppCompatActivity implements RecyclerAdapter.DynamicHeight { 

    RecyclerView recyclerView; 
    RecyclerAdapter adapter; 
    ArrayList<Integer> list; 
    ArrayList<Integer> size; 
    TextView txt; 
    long sumHeight=0; 
    @Override 
    protected void onCreate(Bundle savedInstanceState) { 
     super.onCreate(savedInstanceState); 
     setContentView(R.layout.activity_main); 
     Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar); 
     setSupportActionBar(toolbar); 

     recyclerView = (RecyclerView) findViewById(R.id.my_recycler_view); 
     RecyclerView.LayoutManager lm = new GridLayoutManager(this,2); 

     // txt = (TextView) findViewById(R.id.txt1); 
     recyclerView.setLayoutManager(lm); 

     size = new ArrayList<>(); 
     list = new ArrayList<>(); 
     list.add(R.drawable.index1); 
     list.add(R.drawable.index2); 
     list.add(R.drawable.index3); 
     list.add(R.drawable.index4); 
     list.add(R.drawable.index5); 
     list.add(R.drawable.index6); 
     list.add(R.drawable.index8); 
     list.add(R.drawable.index9); 
     list.add(R.drawable.index10); 

     adapter = new RecyclerAdapter(list,this); 
     recyclerView.setAdapter(adapter); 

     FloatingActionButton fab = (FloatingActionButton) 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 void HeightChange(int position, int height) { 
     size.add(height); 
     sumHeight = calSum(); 

     float density = this.getResources().getDisplayMetrics().density; 
     float viewHeight = sumHeight * density; 
     recyclerView.getLayoutParams().height = (int) sumHeight; 
    } 

    private long calSum() { 
     long tot=0; 
     for(int i=0;i<size.size();i++){ 
      tot = tot + size.get(i); 
     } 
     return tot; 
    } 
    @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); 
    } 
} 

RecyclerViewAdapter

package com.example.gridrecyclerviewscroll; 

import android.content.Context; 
import android.support.v7.widget.RecyclerView; 
import android.util.Log; 
import android.view.LayoutInflater; 
import android.view.View; 
import android.view.ViewGroup; 
import android.widget.ImageView; 
import android.widget.Toast; 

import java.util.ArrayList; 
import java.util.List; 

/** 
* Created by nteam on 23/10/15. 
*/ 
public class RecyclerAdapter extends RecyclerView.Adapter<RecyclerAdapter.ViewHolder> { 
    private ArrayList<Integer> list; 
    Context context; 
    private DynamicHeight dynamicHeight; 
    public RecyclerAdapter(ArrayList<Integer> list, DynamicHeight dynamicHeight){ 
     this.list = list; 
     this.dynamicHeight = dynamicHeight; 
    } 
    public RecyclerAdapter(ArrayList<Integer> list){ 
     this.list = list; 

    } 
    @Override 
    public ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) { 
     context = parent.getContext(); 
     View view = LayoutInflater.from(parent.getContext()).inflate(R.layout.my_card,parent,false); 
     return new ViewHolder(view); 
    } 

    @Override 
    public void onBindViewHolder(ViewHolder holder, int position) { 
     holder.img.setImageResource(list.get(position)); 
    } 

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

    public class ViewHolder extends RecyclerView.ViewHolder { 
     ImageView img; 
     public ViewHolder(View itemView) { 
      super(itemView); 
      img = (ImageView) itemView.findViewById(R.id.img_thumbnail); 
     } 
    } 

    @Override 
    public void onBindViewHolder(final ViewHolder holder, final int position, List<Object> payloads) { 
     super.onBindViewHolder(holder, position, payloads); 
     holder.itemView.post(new Runnable() { 
      @Override 
      public void run() { 
       int cellwidth = holder.itemView.getWidth(); 
       int cellheight = holder.itemView.getHeight(); 

       if(dynamicHeight!=null) dynamicHeight.HeightChange(position, cellheight); 
      } 
     }); 
    } 

    public interface DynamicHeight { 
     void HeightChange(int position, int height); 
    } 
} 

Все с redits идет до @Ashkan