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WearNotifications / Wearable / src / com.example.android.wearable.wear.wearnotifications /

CustomRecyclerAdapter.java

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/*
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 * Copyright (C) 2016 The Android Open Source Project
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 *
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 * Licensed under the Apache License, Version 2.0 (the "License");
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 * you may not use this file except in compliance with the License.
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 * You may obtain a copy of the License at
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 *
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 *      http://www.apache.org/licenses/LICENSE-2.0
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 *
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 * Unless required by applicable law or agreed to in writing, software
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 * distributed under the License is distributed on an "AS IS" BASIS,
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 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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 * See the License for the specific language governing permissions and
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 * limitations under the License.
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 */
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package com.example.android.wearable.wear.wearnotifications;
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import android.widget.ImageView;
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import android.support.v4.app.NotificationCompat;
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import android.support.wearable.view.WearableRecyclerView;
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import android.util.Log;
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import android.view.LayoutInflater;
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import android.view.View;
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import android.view.ViewGroup;
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import android.widget.TextView;
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/**
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 * Provides a binding from {@link NotificationCompat.Style} data set to views displayed within the
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 * {@link WearableRecyclerView}.
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 */
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public class CustomRecyclerAdapter extends
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        WearableRecyclerView.Adapter<CustomRecyclerAdapter.ViewHolder> {
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    private static final String TAG = "CustomRecyclerAdapter";
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    private String[] mDataSet;
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    // Custom Controller used to instruct main activity to update {@link Notification} and/or
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    // UI for item selected.
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    private Controller mController;
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    /**
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     * Provides reference to the views for each data item. We don't maintain a reference to the
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     * {@link ImageView} (representing the icon), because it does not change for each item. We
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     * wanted to keep the sample simple, but you could add extra code to customize each icon.
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     */
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    public static class ViewHolder extends WearableRecyclerView.ViewHolder {
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        private final TextView mTextView;
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        public ViewHolder(View view) {
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            super(view);
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            mTextView = (TextView) view.findViewById(R.id.textView);
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        }
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        @Override
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        public String toString() { return (String) mTextView.getText(); }
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    }
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    public CustomRecyclerAdapter(String[] dataSet, Controller controller) {
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        mDataSet = dataSet;
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        mController = controller;
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    }
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    @Override
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    public ViewHolder onCreateViewHolder(ViewGroup viewGroup, int viewType) {
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        View view = LayoutInflater.from(viewGroup.getContext())
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                .inflate(R.layout.recycler_row_item, viewGroup, false);
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        return new ViewHolder(view);
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    }
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    @Override
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    public void onBindViewHolder(ViewHolder viewHolder, final int position) {
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        Log.d(TAG, "Element " + position + " set.");
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        viewHolder.mTextView.setOnClickListener(new View.OnClickListener() {
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            @Override
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            public void onClick(View view) {
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                mController.itemSelected(mDataSet[position]);
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            }
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        });
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        // Replaces content of view with correct element from data set
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        viewHolder.mTextView.setText(mDataSet[position]);
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    }
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    // Return the size of your dataset (invoked by the layout manager)
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    @Override
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    public int getItemCount() {
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        return mDataSet.length;
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    }
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}
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