Android Open Source - maps-app-android Basemaps Adapter

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Apache License - 2.0 TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION 1. Definitions. "License" shall mean the terms and conditions for use, reproduction, and distribution as defined by...

Java Source Code

/* Copyright 1995-2014 Esri
 *//from w ww  . j  a va 2  s .  c  om
 * 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.
 *
 * For additional information, contact:
 * Environmental Systems Research Institute, Inc.
 * Attn: Contracts Dept
 * 380 New York Street
 * Redlands, California, USA 92373
 *
 * email: contracts@esri.com
 *
 */

package com.esri.android.mapsapp.basemaps;

import java.util.ArrayList;
import java.util.List;

import android.content.Context;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.ImageView;
import android.widget.TextView;

import com.esri.android.mapsapp.R;

public class BasemapsAdapter extends BaseAdapter {

  /**
   * A callback interface that indicates when a basemap in the list has been clicked.
   */
  public interface BasemapsAdapterClickListener {
    /**
     * Callback for when a basemap list item is clicked.
     * 
     * @param listPosition Position within the list of an item that has been clicked.
     */
    public void onBasemapItemClicked(int listPosition);
  }

  BasemapsAdapterClickListener mOnClickListener;

  // need context to use it to construct view
  Context mContext;

  // hold onto a copy of all basemap items
  List<BasemapItem> items;

  public BasemapsAdapter(Context c) {
    mContext = c;
  }

  public BasemapsAdapter(Context c, ArrayList<BasemapItem> portalItems, BasemapsAdapterClickListener listener) {
    mContext = c;
    this.items = portalItems;
    mOnClickListener = listener;
  }

  @Override
  public void notifyDataSetChanged() {
    super.notifyDataSetChanged();
  }

  @Override
  public int getCount() {
    return items == null ? 0 : items.size();
  }

  @Override
  public Object getItem(int position) {
    return items.get(position);
  }

  @Override
  public long getItemId(int position) {
    return position;
  }

  @Override
  public View getView(final int position, View convertView, ViewGroup parent) {

    // Inflate view unless we have an old one to reuse
    View newView = convertView;
    if (convertView == null) {
      LayoutInflater inflator = (LayoutInflater) mContext.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
      newView = inflator.inflate(R.layout.basemap_image, null);
    }

    // Create view for the thumbnail
    ImageView image = (ImageView) newView.findViewById(R.id.basemap_grid_item_thumbnail_imageview);
    image.setImageBitmap(items.get((position)).itemThumbnail);

    // Register listener for clicks on the thumbnail
    image.setOnClickListener(new OnClickListener() {
      @Override
      public void onClick(final View view) {
        mOnClickListener.onBasemapItemClicked(position);
      }
    });

    // Set the title and return the view we've created
    TextView text = (TextView) newView.findViewById(R.id.basemap_grid_item_title_textview);
    text.setText(items.get((position)).item.getTitle());
    return newView;
  }

}

Java Source Code List

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