1 /* 2 * Copyright (C) 2010 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.example.android.xmladapters; 18 19 import android.content.Context; 20 import android.database.Cursor; 21 import android.view.View; 22 import android.widget.ImageView; 23 24 /** 25 * This CursorBinder binds the provided image URL to an ImageView by downloading the image from the 26 * Internet. 27 */ 28 public class UrlImageBinder extends Adapters.CursorBinder { 29 30 private final ImageDownloader imageDownloader; 31 UrlImageBinder(Context context, Adapters.CursorTransformation transformation)32 public UrlImageBinder(Context context, Adapters.CursorTransformation transformation) { 33 super(context, transformation); 34 imageDownloader = new ImageDownloader(); 35 } 36 37 @Override bind(View view, Cursor cursor, int columnIndex)38 public boolean bind(View view, Cursor cursor, int columnIndex) { 39 if (view instanceof ImageView) { 40 final String url = mTransformation.transform(cursor, columnIndex); 41 imageDownloader.download(url, (ImageView) view); 42 return true; 43 } 44 45 return false; 46 } 47 } 48