fi.group6.dessertrecipeapp

Class RecyclerViewAdapter

java.lang.Object

androidx.recyclerview.widget.RecyclerView.Adapter<RecyclerViewAdapter.ViewHolder>

fi.group6.dessertrecipeapp.RecyclerViewAdapter

public class RecyclerViewAdapter
extends androidx.recyclerview.widget.RecyclerView.Adapter<RecyclerViewAdapter.ViewHolder>

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
class	RecyclerViewAdapter.ViewHolder Model ViewHolder which holds image and recipe name

Nested classes/interfaces inherited from class androidx.recyclerview.widget.RecyclerView.Adapter

androidx.recyclerview.widget.RecyclerView.Adapter.StateRestorationPolicy

Field Summary

Fields

Modifier and Type	Field and Description
private static java.lang.String	CLICKED_ITEM
private android.content.Context	mContext
private java.util.List<RecipeWithIngredients>	recipeWithIngredients
private static java.lang.String	TAG

Constructor Summary

Constructors

Constructor and Description
RecyclerViewAdapter(java.util.List<RecipeWithIngredients> recipeWithIngredients, android.content.Context Context) Constructor RecyclerViewAdapter with parameters

Method Summary

Modifier and Type	Method and Description
int	getItemCount() This function tell how many items are in the list
void	onBindViewHolder(RecyclerViewAdapter.ViewHolder holder, int position) This method is called to connect a ViewHolder with data.
RecyclerViewAdapter.ViewHolder	onCreateViewHolder(android.view.ViewGroup parent, int viewType) This method is called whenever a new ViewHolder is created.

Methods inherited from class androidx.recyclerview.widget.RecyclerView.Adapter

bindViewHolder, createViewHolder, findRelativeAdapterPositionIn, getItemId, getItemViewType, getStateRestorationPolicy, hasObservers, hasStableIds, notifyDataSetChanged, notifyItemChanged, notifyItemChanged, notifyItemInserted, notifyItemMoved, notifyItemRangeChanged, notifyItemRangeChanged, notifyItemRangeInserted, notifyItemRangeRemoved, notifyItemRemoved, onAttachedToRecyclerView, onBindViewHolder, onDetachedFromRecyclerView, onFailedToRecycleView, onViewAttachedToWindow, onViewDetachedFromWindow, onViewRecycled, registerAdapterDataObserver, setHasStableIds, setStateRestorationPolicy, unregisterAdapterDataObserver

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

TAG

private static final java.lang.String TAG

See Also:

Constant Field Values

CLICKED_ITEM

private static final java.lang.String CLICKED_ITEM

See Also:

Constant Field Values

recipeWithIngredients

private java.util.List<RecipeWithIngredients> recipeWithIngredients

mContext

private android.content.Context mContext

Constructor Detail

RecyclerViewAdapter

public RecyclerViewAdapter(java.util.List<RecipeWithIngredients> recipeWithIngredients,
                           android.content.Context Context)

Constructor RecyclerViewAdapter with parameters

Parameters:

recipeWithIngredients - List

Context - context

Method Detail

onCreateViewHolder

@NonNull
public RecyclerViewAdapter.ViewHolder onCreateViewHolder(@NonNull
                                                                   android.view.ViewGroup parent,
                                                                   int viewType)

This method is called whenever a new ViewHolder is created. It initializes the View holder and connects it with View

Specified by:

onCreateViewHolder in class androidx.recyclerview.widget.RecyclerView.Adapter<RecyclerViewAdapter.ViewHolder>

Parameters:

parent - ViewGroup

viewType - type of view

Returns:

holder view holder

onBindViewHolder

public void onBindViewHolder(@NonNull
                             RecyclerViewAdapter.ViewHolder holder,
                             int position)

This method is called to connect a ViewHolder with data. It gets appropriate data and fills data to view holder's layout Get image as bitmap from url source and then put it into image view widget Get recipe name setOnClicklistener : when user clicks on view holder, it starts a new activity, Recipe activity and shows a new screen with whole description of recipe

Specified by:

onBindViewHolder in class androidx.recyclerview.widget.RecyclerView.Adapter<RecyclerViewAdapter.ViewHolder>

Parameters:

holder - ViewHolder

position - position as integer

getItemCount

public int getItemCount()

This function tell how many items are in the list

Specified by:

getItemCount in class androidx.recyclerview.widget.RecyclerView.Adapter<RecyclerViewAdapter.ViewHolder>

Returns:

number of items