| /* |
| * Copyright 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.adaptertransition; |
| |
| import android.view.LayoutInflater; |
| import android.view.View; |
| import android.view.ViewGroup; |
| import android.widget.BaseAdapter; |
| import android.widget.ImageView; |
| import android.widget.TextView; |
| |
| /** |
| * This class provides data as Views. It is designed to support both ListView and GridView by |
| * changing a layout resource file to inflate. |
| */ |
| public class MeatAdapter extends BaseAdapter { |
| |
| private final LayoutInflater mLayoutInflater; |
| private final int mResourceId; |
| |
| /** |
| * Create a new instance of {@link MeatAdapter}. |
| * |
| * @param inflater The layout inflater. |
| * @param resourceId The resource ID for the layout to be used. The layout should contain an |
| * ImageView with ID of "meat_image" and a TextView with ID of "meat_title". |
| */ |
| public MeatAdapter(LayoutInflater inflater, int resourceId) { |
| mLayoutInflater = inflater; |
| mResourceId = resourceId; |
| } |
| |
| @Override |
| public int getCount() { |
| return Meat.MEATS.length; |
| } |
| |
| @Override |
| public Meat getItem(int position) { |
| return Meat.MEATS[position]; |
| } |
| |
| @Override |
| public long getItemId(int position) { |
| return Meat.MEATS[position].resourceId; |
| } |
| |
| @Override |
| public View getView(int position, View convertView, ViewGroup parent) { |
| final View view; |
| final ViewHolder holder; |
| if (null == convertView) { |
| view = mLayoutInflater.inflate(mResourceId, parent, false); |
| holder = new ViewHolder(); |
| assert view != null; |
| holder.image = (ImageView) view.findViewById(R.id.meat_image); |
| holder.title = (TextView) view.findViewById(R.id.meat_title); |
| view.setTag(holder); |
| } else { |
| view = convertView; |
| holder = (ViewHolder) view.getTag(); |
| } |
| Meat meat = getItem(position); |
| holder.image.setImageResource(meat.resourceId); |
| holder.title.setText(meat.title); |
| return view; |
| } |
| |
| private static class ViewHolder { |
| public ImageView image; |
| public TextView title; |
| } |
| |
| } |