IconListPreference.java revision 73e782de608cbe2ddffd75c055009ff2e208f78b
1/* 2 * Copyright (C) 2009 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 17package com.android.camera; 18 19import android.content.Context; 20import android.content.res.Resources; 21import android.content.res.TypedArray; 22import android.graphics.drawable.Drawable; 23import android.util.AttributeSet; 24 25/** A {@code ListPreference} where each entry has a corresponding icon. */ 26public class IconListPreference extends ListPreference { 27 private Drawable mIcons[]; 28 private Resources mResources; 29 30 public IconListPreference(Context context, AttributeSet attrs) { 31 super(context, attrs); 32 TypedArray a = context.obtainStyledAttributes( 33 attrs, R.styleable.IconListPreference, 0, 0); 34 mResources = context.getResources(); 35 setIcons(a.getResourceId(R.styleable.IconListPreference_icons, 0)); 36 a.recycle(); 37 } 38 39 public Drawable[] getIcons() { 40 return mIcons; 41 } 42 43 private void setIcons(int iconsRes) { 44 TypedArray array = mResources.obtainTypedArray(iconsRes); 45 int n = array.length(); 46 Drawable drawable[] = new Drawable[n]; 47 for (int i = 0; i < n; ++i) { 48 int id = array.getResourceId(i, 0); 49 drawable[i] = id == 0 ? null : mResources.getDrawable(id); 50 } 51 array.recycle(); 52 mIcons = drawable; 53 } 54 55 public void setIcons(Drawable[] icons) { 56 mIcons = icons; 57 } 58} 59