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/*
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* Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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* 总体分析
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这段 Java 代码定义了ResourceParser类，主要用于对应用中的各类资源（如背景图片资源、文本外观样式资源等）进行管理与解析，方便根据不同的条件获取对应的资源标识符（如资源 ID）。它内部定义了多个静态内部类，分别针对笔记背景、笔记项背景、部件背景以及文本外观等不同方面的资源进行组织，同时还定义了一些表示默认状态（如默认颜色、默认字体大小等）的常量。通过结合应用的偏好设置等逻辑，可以灵活地获取相应的资源 ID，为实现界面的多样化显示（例如不同颜色主题、不同字体大小展示等）提供了资源获取的统一入口，有助于提升代码在资源管理方面的可维护性和可扩展性。
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函数分析
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NoteBgResources类相关函数
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所属类：ResourceParser.NoteBgResources（ResourceParser的内部类）
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功能：
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getNoteBgResource方法：根据传入的id参数，从预定义的BG_EDIT_RESOURCES数组中获取对应的笔记编辑背景资源的ID并返回，用于获取指定的笔记编辑背景相关资源。
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getNoteTitleBgResource方法：依据传入的id参数，从BG_EDIT_TITLE_RESOURCES数组中获取对应的笔记标题编辑背景资源的ID并返回，方便获取相应的笔记标题编辑背景资源。
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getDefaultBgId方法
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所属类：ResourceParser
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功能：通过获取应用的默认共享偏好设置，判断是否开启了特定的背景颜色随机设置的偏好项（NotesPreferenceActivity.PREFERENCE_SET_BG_COLOR_KEY对应的布尔值），若开启则随机生成一个在NoteBgResources.BG_EDIT_RESOURCES数组长度范围内的索引值作为背景ID返回，若未开启则返回默认的背景颜色ID（BG_DEFAULT_COLOR），以此来确定默认的背景资源ID。
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NoteItemBgResources类相关函数
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所属类：ResourceParser.NoteItemBgResources（ResourceParser的内部类）
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功能：
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getNoteBgFirstRes方法：根据传入的id参数，从BG_FIRST_RESOURCES数组中获取对应的笔记项首行背景资源的ID并返回，用于获取特定的笔记项首行背景资源。
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getNoteBgLastRes方法：依据传入的id参数，从BG_LAST_RESOURCES数组中获取对应的笔记项末行背景资源的ID并返回，方便获取相应的笔记项末行背景资源。
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getNoteBgSingleRes方法：按照传入的id参数，从BG_SINGLE_RESOURCES数组中获取对应的单个笔记项背景资源的ID并返回，用于获取单个笔记项对应的背景资源。
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getNoteBgNormalRes方法：根据传入的id参数，从BG_NORMAL_RESOURCES数组中获取对应的笔记项普通行背景资源的ID并返回，便于获取笔记项普通行的背景资源。
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getFolderBgRes方法：直接返回代表文件夹背景资源的ID（R.drawable.list_folder），用于获取文件夹的背景资源。
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WidgetBgResources类相关函数
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所属类：ResourceParser.WidgetBgResources（ResourceParser的内部类）
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功能：
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getWidget2xBgResource方法：根据传入的id参数，从BG_2X_RESOURCES数组中获取对应的2x部件背景资源的ID并返回，用于获取相应尺寸部件的背景资源。
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getWidget4xBgResource方法：依据传入的id参数，从BG_4X_RESOURCES数组中获取对应的4x部件背景资源的ID并返回，方便获取特定尺寸部件的背景资源。
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TextAppearanceResources类相关函数
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所属类：ResourceParser.TextAppearanceResources（ResourceParser的内部类）
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功能：
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getTexAppearanceResource方法：根据传入的id参数，先判断该参数是否超出TEXTAPPEARANCE_RESOURCES数组长度范围，若超出则返回默认的字体大小对应的资源ID（BG_DEFAULT_FONT_SIZE），若未超出则从该数组中获取对应的文本外观资源的ID并返回，用于获取合适的文本外观样式资源。
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getResourcesSize方法：直接返回TEXTAPPEARANCE_RESOURCES数组的长度，用于知晓文本外观资源的数量情况。
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*/
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package net.micode.notes.tool;
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import android.content.Context;
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import android.preference.PreferenceManager;
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import net.micode.notes.R;
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import net.micode.notes.ui.NotesPreferenceActivity;
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public class ResourceParser {
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public static final int YELLOW = 0;
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public static final int BLUE = 1;
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public static final int WHITE = 2;
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public static final int GREEN = 3;
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public static final int RED = 4;
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public static final int BG_DEFAULT_COLOR = YELLOW;
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public static final int TEXT_SMALL = 0;
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public static final int TEXT_MEDIUM = 1;
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public static final int TEXT_LARGE = 2;
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public static final int TEXT_SUPER = 3;
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public static final int BG_DEFAULT_FONT_SIZE = TEXT_MEDIUM;
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public static class NoteBgResources {
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private final static int [] BG_EDIT_RESOURCES = new int [] {
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R.drawable.edit_yellow,
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R.drawable.edit_blue,
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R.drawable.edit_white,
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R.drawable.edit_green,
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R.drawable.edit_red
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};
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private final static int [] BG_EDIT_TITLE_RESOURCES = new int [] {
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R.drawable.edit_title_yellow,
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R.drawable.edit_title_blue,
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R.drawable.edit_title_white,
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R.drawable.edit_title_green,
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R.drawable.edit_title_red
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};
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public static int getNoteBgResource(int id) {
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return BG_EDIT_RESOURCES[id];
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}
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public static int getNoteTitleBgResource(int id) {
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return BG_EDIT_TITLE_RESOURCES[id];
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}
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}
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public static int getDefaultBgId(Context context) {
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if (PreferenceManager.getDefaultSharedPreferences(context).getBoolean(
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NotesPreferenceActivity.PREFERENCE_SET_BG_COLOR_KEY, false)) {
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return (int) (Math.random() * NoteBgResources.BG_EDIT_RESOURCES.length);
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} else {
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return BG_DEFAULT_COLOR;
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}
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}
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public static class NoteItemBgResources {
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private final static int [] BG_FIRST_RESOURCES = new int [] {
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R.drawable.list_yellow_up,
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R.drawable.list_blue_up,
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R.drawable.list_white_up,
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R.drawable.list_green_up,
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R.drawable.list_red_up
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};
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private final static int [] BG_NORMAL_RESOURCES = new int [] {
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R.drawable.list_yellow_middle,
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R.drawable.list_blue_middle,
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R.drawable.list_white_middle,
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R.drawable.list_green_middle,
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R.drawable.list_red_middle
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};
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private final static int [] BG_LAST_RESOURCES = new int [] {
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R.drawable.list_yellow_down,
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R.drawable.list_blue_down,
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R.drawable.list_white_down,
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R.drawable.list_green_down,
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R.drawable.list_red_down,
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};
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private final static int [] BG_SINGLE_RESOURCES = new int [] {
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R.drawable.list_yellow_single,
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R.drawable.list_blue_single,
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R.drawable.list_white_single,
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R.drawable.list_green_single,
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R.drawable.list_red_single
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};
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public static int getNoteBgFirstRes(int id) {
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return BG_FIRST_RESOURCES[id];
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}
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public static int getNoteBgLastRes(int id) {
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return BG_LAST_RESOURCES[id];
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}
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public static int getNoteBgSingleRes(int id) {
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return BG_SINGLE_RESOURCES[id];
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}
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public static int getNoteBgNormalRes(int id) {
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return BG_NORMAL_RESOURCES[id];
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}
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public static int getFolderBgRes() {
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return R.drawable.list_folder;
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}
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}
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public static class WidgetBgResources {
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private final static int [] BG_2X_RESOURCES = new int [] {
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R.drawable.widget_2x_yellow,
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R.drawable.widget_2x_blue,
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R.drawable.widget_2x_white,
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R.drawable.widget_2x_green,
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R.drawable.widget_2x_red,
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};
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public static int getWidget2xBgResource(int id) {
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return BG_2X_RESOURCES[id];
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}
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private final static int [] BG_4X_RESOURCES = new int [] {
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R.drawable.widget_4x_yellow,
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R.drawable.widget_4x_blue,
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R.drawable.widget_4x_white,
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R.drawable.widget_4x_green,
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R.drawable.widget_4x_red
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};
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public static int getWidget4xBgResource(int id) {
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return BG_4X_RESOURCES[id];
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}
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}
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public static class TextAppearanceResources {
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private final static int [] TEXTAPPEARANCE_RESOURCES = new int [] {
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R.style.TextAppearanceNormal,
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R.style.TextAppearanceMedium,
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R.style.TextAppearanceLarge,
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R.style.TextAppearanceSuper
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};
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public static int getTexAppearanceResource(int id) {
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/**
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* HACKME: Fix bug of store the resource id in shared preference.
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* The id may larger than the length of resources, in this case,
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* return the {@link ResourceParser#BG_DEFAULT_FONT_SIZE}
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*/
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if (id >= TEXTAPPEARANCE_RESOURCES.length) {
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return BG_DEFAULT_FONT_SIZE;
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}
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return TEXTAPPEARANCE_RESOURCES[id];
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}
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public static int getResourcesSize() {
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return TEXTAPPEARANCE_RESOURCES.length;
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}
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}
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}
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