/* * Copyright (C) 2014 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package com.example.android.recyclerview; import com.example.android.common.logger.Log; import android.support.v7.widget.RecyclerView; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.widget.TextView; /** * Provide views to RecyclerView with data from mDataSet. */ public class CustomAdapter extends RecyclerView.Adapter { private static final String TAG = "CustomAdapter"; private String[] mDataSet; // BEGIN_INCLUDE(recyclerViewSampleViewHolder) /** * Provide a reference to the type of views that you are using (custom ViewHolder) */ public static class ViewHolder extends RecyclerView.ViewHolder { private final TextView textView; public ViewHolder(View v) { super(v); // Define click listener for the ViewHolder's View. v.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { Log.d(TAG, "Element " + getPosition() + " clicked."); } }); textView = (TextView) v.findViewById(R.id.textView); } public TextView getTextView() { return textView; } } // END_INCLUDE(recyclerViewSampleViewHolder) /** * Initialize the dataset of the Adapter. * * @param dataSet String[] containing the data to populate views to be used by RecyclerView. */ public CustomAdapter(String[] dataSet) { mDataSet = dataSet; } // BEGIN_INCLUDE(recyclerViewOnCreateViewHolder) // Create new views (invoked by the layout manager) @Override public ViewHolder onCreateViewHolder(ViewGroup viewGroup, int viewType) { // Create a new view. View v = LayoutInflater.from(viewGroup.getContext()) .inflate(R.layout.text_row_item, viewGroup, false); return new ViewHolder(v); } // END_INCLUDE(recyclerViewOnCreateViewHolder) // BEGIN_INCLUDE(recyclerViewOnBindViewHolder) // Replace the contents of a view (invoked by the layout manager) @Override public void onBindViewHolder(ViewHolder viewHolder, final int position) { Log.d(TAG, "Element " + position + " set."); // Get element from your dataset at this position and replace the contents of the view // with that element viewHolder.getTextView().setText(mDataSet[position]); } // END_INCLUDE(recyclerViewOnBindViewHolder) // Return the size of your dataset (invoked by the layout manager) @Override public int getItemCount() { return mDataSet.length; } }