1 /* 2 * Copyright (C) 2008 Esmertec AG. 3 * Copyright (C) 2008 The Android Open Source Project 4 * 5 * Licensed under the Apache License, Version 2.0 (the "License"); 6 * you may not use this file except in compliance with the License. 7 * You may obtain a copy of the License at 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 */ 17 18 package com.android.mms.ui; 19 20 import java.util.List; 21 22 import android.content.Context; 23 import android.view.LayoutInflater; 24 import android.view.View; 25 import android.view.ViewGroup; 26 import android.widget.ArrayAdapter; 27 import android.widget.ImageView; 28 import android.widget.TextView; 29 30 import com.android.mms.R; 31 32 /** 33 * An adapter to store icons. 34 */ 35 public class IconListAdapter extends ArrayAdapter<IconListAdapter.IconListItem> { 36 protected LayoutInflater mInflater; 37 private static final int mResource = R.layout.icon_list_item; 38 private ViewHolder mViewHolder; 39 40 static class ViewHolder { 41 private View mView; 42 private TextView mTextView; 43 private ImageView mImageView; 44 45 public ViewHolder(View view) { 46 mView = view; 47 } 48 49 public TextView getTextView() { 50 if (mTextView == null) { 51 mTextView = (TextView) mView.findViewById(R.id.text1); 52 } 53 54 return mTextView; 55 } 56 57 public ImageView getImageView() { 58 if (mImageView == null) { 59 mImageView = (ImageView) mView.findViewById(R.id.icon); 60 } 61 62 return mImageView; 63 } 64 } 65 public IconListAdapter(Context context, 66 List<IconListItem> items) { 67 super(context, mResource, items); 68 mInflater = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE); 69 } 70 71 @Override 72 public View getView(int position, View convertView, ViewGroup parent) { 73 View view; 74 if (convertView == null) { 75 view = mInflater.inflate(mResource, parent, false); 76 mViewHolder = new ViewHolder(view); 77 view.setTag(mViewHolder); 78 } else { 79 view = convertView; 80 mViewHolder = (ViewHolder) view.getTag(); 81 } 82 83 // Set text field 84 TextView text = mViewHolder.getTextView(); 85 text.setText(getItem(position).getTitle()); 86 87 // Set resource icon 88 ImageView image = mViewHolder.getImageView(); 89 image.setImageResource(getItem(position).getResource()); 90 91 return view; 92 } 93 94 public static class IconListItem { 95 private final String mTitle; 96 private final int mResource; 97 98 public IconListItem(String title, int resource) { 99 mResource = resource; 100 mTitle = title; 101 } 102 103 public String getTitle() { 104 return mTitle; 105 } 106 107 public int getResource() { 108 return mResource; 109 } 110 } 111 } 112