Use edit text in Expandable Recycler

Ingredient.java

package com.ryanbrooks.expandablerecyclerviewsample.linear.vertical;

public class Ingredient {

    private String mName;

    public Ingredient(String name) {
        mName = name;
    }

    public void setmName(String mName) {
        this.mName = mName;
    }

    public String getName() {
        return mName;
    }
}

ingredient_view.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
              android:layout_width="match_parent"
              android:layout_height="wrap_content"
              android:orientation="vertical"
              android:padding="@dimen/standard_material_padding">

<EditText android:id="@+id/ingredient_texedit"
              android:layout_width="wrap_content"
              android:layout_height="wrap_content"
              android:textSize="@dimen/standard_text_size"/>

</LinearLayout>

IngredientViewHolder.java

package com.ryanbrooks.expandablerecyclerviewsample.linear.vertical;

import android.view.View;
import android.widget.EditText;
import android.widget.TextView;

import com.bignerdranch.expandablerecyclerview.ViewHolder.ChildViewHolder;
import com.ryanbrooks.expandablerecyclerviewsample.R;

public class IngredientViewHolder extends ChildViewHolder {

    private EditText mIngredientTextView;
    private IngridientTextChangeListener mListener;

    public IngredientViewHolder(View itemView, IngridientTextChangeListener listener) {
        super(itemView);
        mIngredientTextView = (EditText) itemView.findViewById(R.id.ingredient_texedit);
        mListener = listener;
        mIngredientTextView.addTextChangedListener(mListener);
    }

    public void bind(Ingredient ingredient) {
        mListener.updatePosition(ingredient); // set  this first because unless it will be fired
        mIngredientTextView.setText(ingredient.getName());
    }
}

IngridientTextChangeListener.java

package com.ryanbrooks.expandablerecyclerviewsample.linear.vertical;

import android.text.Editable;
import android.text.TextWatcher;

/**
 * Created by mserge on 27.02.2016.
 */
public class IngridientTextChangeListener implements TextWatcher {
        private Ingredient position;

        public void updatePosition(Ingredient position) {
            this.position = position;
        }

        @Override
        public void beforeTextChanged(CharSequence charSequence, int i, int i2, int i3) {
            // no op
        }

        @Override
        public void onTextChanged(CharSequence charSequence, int i, int i2, int i3) {
           if(null != position) position.setmName(charSequence.toString());
        }

        @Override
        public void afterTextChanged(Editable editable) {
            // no op
        }

}

RecipeAdapter.java

package com.ryanbrooks.expandablerecyclerviewsample.linear.vertical;

import android.content.Context;
import android.support.annotation.NonNull;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;

import com.bignerdranch.expandablerecyclerview.Adapter.ExpandableRecyclerAdapter;
import com.bignerdranch.expandablerecyclerview.Model.ParentListItem;
import com.ryanbrooks.expandablerecyclerviewsample.R;

import java.util.List;

public class RecipeAdapter extends ExpandableRecyclerAdapter<RecipeViewHolder, IngredientViewHolder> {

    private LayoutInflater mInflator;

    public RecipeAdapter(Context context, @NonNull List<? extends ParentListItem> parentItemList) {
        super(parentItemList);
        mInflator = LayoutInflater.from(context);
    }

    @Override
    public RecipeViewHolder onCreateParentViewHolder(ViewGroup parentViewGroup) {
        View recipeView = mInflator.inflate(R.layout.recipe_view, parentViewGroup, false);
        return new RecipeViewHolder(recipeView);
    }

    @Override
    public IngredientViewHolder onCreateChildViewHolder(ViewGroup childViewGroup) {
        View ingredientView = mInflator.inflate(R.layout.ingredient_view, childViewGroup, false);
        return new IngredientViewHolder(ingredientView, new IngridientTextChangeListener());
    }

    @Override
    public void onBindParentViewHolder(RecipeViewHolder recipeViewHolder, int position, ParentListItem parentListItem) {
        Recipe recipe = (Recipe) parentListItem;
        recipeViewHolder.bind(recipe);
    }

    @Override
    public void onBindChildViewHolder(IngredientViewHolder ingredientViewHolder, int position, Object childListItem) {
        Ingredient ingredient = (Ingredient) childListItem;
        ingredientViewHolder.bind(ingredient);
    }
}