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@ -22,24 +22,38 @@ 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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/**
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* 资源解析工具类,负责管理和提供笔记应用中的各种资源ID
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* 包括背景颜色、文本大小、不同界面元素的背景资源等
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* 采用单例模式设计,通过静态方法提供全局访问
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*/
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public class ResourceParser {
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// 定义笔记背景颜色常量
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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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// 默认背景颜色为黄色
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public static final int BG_DEFAULT_COLOR = YELLOW;
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// 定义文本大小常量
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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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// 默认文本大小为中等
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public static final int BG_DEFAULT_FONT_SIZE = TEXT_MEDIUM;
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/**
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* 笔记编辑界面背景资源管理类
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* 提供获取不同颜色背景资源ID的方法
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*/
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public static class NoteBgResources {
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// 编辑界面主体背景资源数组,按颜色索引
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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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@ -48,6 +62,7 @@ public class ResourceParser {
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R.drawable.edit_red
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};
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// 编辑界面标题背景资源数组,按颜色索引
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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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@ -56,25 +71,48 @@ public class ResourceParser {
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R.drawable.edit_title_red
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};
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/**
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* 根据颜色ID获取编辑界面主体背景资源ID
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* @param id 颜色ID,对应ResourceParser中定义的颜色常量
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* @return 对应的背景资源ID
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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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/**
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* 根据颜色ID获取编辑界面标题背景资源ID
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* @param id 颜色ID,对应ResourceParser中定义的颜色常量
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* @return 对应的标题背景资源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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/**
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* 获取默认背景颜色ID
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* 根据用户偏好设置决定返回随机颜色还是默认黄色
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* @param context 应用上下文
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* @return 背景颜色ID
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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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// 如果用户开启了随机背景选项,返回随机颜色ID
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return (int) (Math.random() * NoteBgResources.BG_EDIT_RESOURCES.length);
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} else {
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// 默认返回黄色背景
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return BG_DEFAULT_COLOR;
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}
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}
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/**
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* 笔记列表项背景资源管理类
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* 提供获取列表中不同位置笔记项背景资源ID的方法
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*/
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public static class NoteItemBgResources {
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// 列表中第一项的背景资源数组,按颜色索引
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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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@ -83,6 +121,7 @@ public class ResourceParser {
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R.drawable.list_red_up
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};
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// 列表中中间项的背景资源数组,按颜色索引
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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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@ -91,6 +130,7 @@ public class ResourceParser {
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R.drawable.list_red_middle
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};
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// 列表中最后一项的背景资源数组,按颜色索引
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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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@ -99,6 +139,7 @@ public class ResourceParser {
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R.drawable.list_red_down,
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};
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// 列表中只有一项时的背景资源数组,按颜色索引
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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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@ -107,28 +148,57 @@ public class ResourceParser {
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R.drawable.list_red_single
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};
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/**
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* 获取列表中第一项的背景资源ID
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* @param id 颜色ID
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* @return 对应的背景资源ID
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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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/**
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* 获取列表中最后一项的背景资源ID
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* @param id 颜色ID
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* @return 对应的背景资源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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/**
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* 获取列表中只有一项时的背景资源ID
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* @param id 颜色ID
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* @return 对应的背景资源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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/**
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* 获取列表中中间项的背景资源ID
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* @param id 颜色ID
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* @return 对应的背景资源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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/**
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* 获取文件夹项的背景资源ID
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* @return 文件夹背景资源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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/**
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* 桌面小部件背景资源管理类
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* 提供获取不同尺寸小部件背景资源ID的方法
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*/
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public static class WidgetBgResources {
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// 2x尺寸小部件的背景资源数组,按颜色索引
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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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@ -137,10 +207,16 @@ public class ResourceParser {
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R.drawable.widget_2x_red,
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};
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/**
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* 获取2x尺寸小部件的背景资源ID
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* @param id 颜色ID
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* @return 对应的背景资源ID
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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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// 4x尺寸小部件的背景资源数组,按颜色索引
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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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@ -149,12 +225,22 @@ public class ResourceParser {
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R.drawable.widget_4x_red
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};
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/**
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* 获取4x尺寸小部件的背景资源ID
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* @param id 颜色ID
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* @return 对应的背景资源ID
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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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/**
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* 文本外观资源管理类
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* 提供获取不同文本大小样式资源ID的方法
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*/
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public static class TextAppearanceResources {
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// 文本外观样式资源数组,按大小索引
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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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@ -162,11 +248,16 @@ public class ResourceParser {
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R.style.TextAppearanceSuper
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};
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/**
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* 根据ID获取文本外观样式资源ID
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* 包含对无效ID的防御性编程处理
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* @param id 文本大小ID,对应ResourceParser中定义的文本大小常量
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* @return 对应的文本外观样式资源ID
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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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* HACKME: 修复在共享偏好中存储资源ID可能导致的问题
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* 如果ID大于资源数组长度,返回默认字体大小对应的资源ID
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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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@ -174,6 +265,10 @@ public class ResourceParser {
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return TEXTAPPEARANCE_RESOURCES[id];
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}
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/**
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* 获取文本外观资源数组的长度
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* @return 资源数组长度
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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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