3

CustomKeyboard/Model/KBKey.h

@@ -20,13 +20,29 @@ typedef NS_ENUM(NSInteger, KBKeyType) {
     KBKeyTypeSymbolsToggle    // 数字面板内的“#+=/123”切换
 };
 
+/// 字母键的大小写变体标记（非字母键使用 KBKeyCaseVariantNone）
+typedef NS_ENUM(NSInteger, KBKeyCaseVariant) {
+    KBKeyCaseVariantNone  = 0,
+    KBKeyCaseVariantLower = 1,
+    KBKeyCaseVariantUpper = 2,
+};
+
 @interface KBKey : NSObject
 
 @property (nonatomic, assign) KBKeyType type;
 @property (nonatomic, copy) NSString *title;      // 显示标题
 @property (nonatomic, copy) NSString *output;     // 字符键插入的文本
+/// 逻辑按键标识，用于皮肤映射（如 @"letter_q" @"space" @"backspace"）
+@property (nonatomic, copy, nullable) NSString *identifier;
+/// 字母键的大小写变体（便于皮肤为大小写准备不同图）
+@property (nonatomic, assign) KBKeyCaseVariant caseVariant;
 
 + (instancetype)keyWithTitle:(NSString *)title output:(NSString *)output;
 + (instancetype)keyWithTitle:(NSString *)title type:(KBKeyType)type;
+/// 通用构造方法：用于指定 identifier，便于皮肤做精细控制
++ (instancetype)keyWithIdentifier:(nullable NSString *)identifier
+                            title:(NSString *)title
+                           output:(NSString *)output
+                             type:(KBKeyType)type;
 
 @end

CustomKeyboard/Model/KBKey.m

@@ -12,6 +12,7 @@
     k.type = KBKeyTypeCharacter;
     k.title = title ?: @"";
     k.output = output ?: title ?: @"";
+    k.caseVariant = KBKeyCaseVariantNone;
     return k;
 }
 
@@ -20,8 +21,21 @@
     k.type = type;
     k.title = title ?: @"";
     k.output = @"";
+    k.caseVariant = KBKeyCaseVariantNone;
+    return k;
+}
+
++ (instancetype)keyWithIdentifier:(NSString *)identifier
+                            title:(NSString *)title
+                           output:(NSString *)output
+                             type:(KBKeyType)type {
+    KBKey *k = [[KBKey alloc] init];
+    k.type = type;
+    k.identifier = identifier;
+    k.title = title ?: @"";
+    k.output = output ?: @"";
+    k.caseVariant = KBKeyCaseVariantNone;
     return k;
 }
 
 @end
-

CustomKeyboard/View/KBKeyButton.h

@@ -17,4 +17,7 @@
 /// 根据选中/高亮等状态刷新外观
 - (void)refreshStateAppearance;
 
+/// 根据当前皮肤与按键标识，应用图标和文字显隐等细节
+- (void)applyThemeForCurrentKey;
+
 @end

CustomKeyboard/View/KBKeyButton.m

@@ -7,6 +7,10 @@
 #import "KBKey.h"
 #import "KBSkinManager.h"
 
+@interface KBKeyButton ()
+@property (nonatomic, strong) UIImageView *iconView;
+@end
+
 @implementation KBKeyButton
 
 - (instancetype)initWithFrame:(CGRect)frame {
@@ -29,6 +33,34 @@
     self.layer.shadowOffset = CGSizeMake(0, 1);
     self.layer.shadowRadius = 1.5;
     [self refreshStateAppearance];
+
+    // 懒创建图标视图，用于后续皮肤按键小图标展示
+    if (!self.iconView) {
+        UIImageView *iv = [[UIImageView alloc] initWithFrame:CGRectZero];
+        // 作为按键的整块皮肤背景，铺满整个按钮区域
+        iv.contentMode = UIViewContentModeScaleAspectFill;
+        iv.clipsToBounds = YES;
+        iv.translatesAutoresizingMaskIntoConstraints = NO;
+        [self addSubview:iv];
+        // 让皮肤图片撑满整个按钮
+        [NSLayoutConstraint activateConstraints:@[
+            [iv.topAnchor constraintEqualToAnchor:self.topAnchor],
+            [iv.bottomAnchor constraintEqualToAnchor:self.bottomAnchor],
+            [iv.leadingAnchor constraintEqualToAnchor:self.leadingAnchor],
+            [iv.trailingAnchor constraintEqualToAnchor:self.trailingAnchor],
+        ]];
+        self.iconView = iv;
+
+        // 文字保持居中；若需要显示文字，则覆盖在皮肤图片之上
+        self.titleEdgeInsets = UIEdgeInsetsZero;
+        [self bringSubviewToFront:self.titleLabel];
+    }
+}
+
+- (void)setKey:(KBKey *)key {
+    _key = key;
+    // 每次切换按键模型时，根据皮肤刷新一次图标和文字显隐
+    [self applyThemeForCurrentKey];
 }
 
 - (void)setHighlighted:(BOOL)highlighted {
@@ -56,4 +88,19 @@
     }
 }
 
+- (void)applyThemeForCurrentKey {
+    // 依据皮肤决定是否显示文字
+    NSString *identifier = self.key.identifier;
+    BOOL hideText = [[KBSkinManager shared] shouldHideKeyTextForIdentifier:identifier];
+    self.titleLabel.hidden = hideText;
+
+    // 根据皮肤映射加载图标（若有），支持大小写变体：
+    // - identifier: 逻辑按键标识（如 letter_q）
+    // - caseVariant: 0/1/2 => 无变体/小写/大写
+    NSInteger variant = (NSInteger)self.key.caseVariant;
+    UIImage *iconImg = [[KBSkinManager shared] iconImageForKeyIdentifier:identifier caseVariant:variant];
+    self.iconView.image = iconImg;
+    self.iconView.hidden = (iconImg == nil);
+}
+
 @end

CustomKeyboard/View/KBKeyboardView.m

@@ -96,16 +96,41 @@
 
         if (!self.symbolsMoreOn) {
             // 数字第一页（123）
-            r1 = @[ [KBKey keyWithTitle:@"1" output:@"1"], [KBKey keyWithTitle:@"2" output:@"2"], [KBKey keyWithTitle:@"3" output:@"3"],
-                    [KBKey keyWithTitle:@"4" output:@"4"], [KBKey keyWithTitle:@"5" output:@"5"], [KBKey keyWithTitle:@"6" output:@"6"],
-                    [KBKey keyWithTitle:@"7" output:@"7"], [KBKey keyWithTitle:@"8" output:@"8"], [KBKey keyWithTitle:@"9" output:@"9"], [KBKey keyWithTitle:@"0" output:@"0"] ];
-            r2 = @[ [KBKey keyWithTitle:@"-" output:@"-"], [KBKey keyWithTitle:@"/" output:@"/"], [KBKey keyWithTitle:@":" output:@":"],
-                    [KBKey keyWithTitle:@";" output:@";"], [KBKey keyWithTitle:@"(" output:@"("], [KBKey keyWithTitle:@")" output:@")"],
-                    [KBKey keyWithTitle:@"$" output:@"$"], [KBKey keyWithTitle:@"&" output:@"&"], [KBKey keyWithTitle:@"@" output:@"@"], [KBKey keyWithTitle:@"\"" output:@"\""] ];
-            r3 = @[ [KBKey keyWithTitle:@"#+=" type:KBKeyTypeSymbolsToggle],
-                    [KBKey keyWithTitle:@"," output:@","], [KBKey keyWithTitle:@"." output:@"."], [KBKey keyWithTitle:@"?" output:@"?"],
-                    [KBKey keyWithTitle:@"!" output:@"!"], [KBKey keyWithTitle:@"'" output:@"'"],
-                    [KBKey keyWithTitle:@"⌫" type:KBKeyTypeBackspace] ];
+            r1 = @[ [KBKey keyWithTitle:@"1" output:@"1"],
+                    [KBKey keyWithTitle:@"2" output:@"2"],
+                    [KBKey keyWithTitle:@"3" output:@"3"],
+                    [KBKey keyWithTitle:@"4" output:@"4"],
+                    [KBKey keyWithTitle:@"5" output:@"5"],
+                    [KBKey keyWithTitle:@"6" output:@"6"],
+                    [KBKey keyWithTitle:@"7" output:@"7"],
+                    [KBKey keyWithTitle:@"8" output:@"8"],
+                    [KBKey keyWithTitle:@"9" output:@"9"],
+                    [KBKey keyWithTitle:@"0" output:@"0"] ];
+            r2 = @[ [KBKey keyWithTitle:@"-" output:@"-"],
+                    [KBKey keyWithTitle:@"/" output:@"/"],
+                    [KBKey keyWithTitle:@":" output:@":"],
+                    [KBKey keyWithTitle:@";" output:@";"],
+                    [KBKey keyWithTitle:@"(" output:@"("],
+                    [KBKey keyWithTitle:@")" output:@")"],
+                    [KBKey keyWithTitle:@"$" output:@"$"],
+                    [KBKey keyWithTitle:@"&" output:@"&"],
+                    [KBKey keyWithTitle:@"@" output:@"@"],
+                    [KBKey keyWithTitle:@"\"" output:@"\""] ];
+            // 第三行：左下角是“#+=”切换键，右下角是退格键
+            KBKey *toggle = [KBKey keyWithIdentifier:@"symbols_toggle_more"
+                                               title:@"#+="
+                                              output:@""
+                                                type:KBKeyTypeSymbolsToggle];
+            KBKey *comma = [KBKey keyWithTitle:@"," output:@","];
+            KBKey *dot = [KBKey keyWithTitle:@"." output:@"."];
+            KBKey *q = [KBKey keyWithTitle:@"?" output:@"?"];
+            KBKey *ex = [KBKey keyWithTitle:@"!" output:@"!"];
+            KBKey *quote = [KBKey keyWithTitle:@"'" output:@"'"];
+            KBKey *back = [KBKey keyWithIdentifier:@"backspace"
+                                             title:@"⌫"
+                                            output:@""
+                                              type:KBKeyTypeBackspace];
+            r3 = @[ toggle, comma, dot, q, ex, quote, back ];
         } else {
             // 数字第二页（#+=）：前两行替换为更多符号，左下角按钮文案改为“123”
             r1 = @[ [KBKey keyWithTitle:@"[" output:@"["], [KBKey keyWithTitle:@"]" output:@"]"], [KBKey keyWithTitle:@"{" output:@"{"],
@@ -116,16 +141,40 @@
                     [KBKey keyWithTitle:@"~" output:@"~"], [KBKey keyWithTitle:@"<" output:@"<"], [KBKey keyWithTitle:@">" output:@">"],
                     [KBKey keyWithTitle:@"$" output:@"$"], [KBKey keyWithTitle:@"€" output:@"€"], [KBKey keyWithTitle:@"£" output:@"£"],
                     [KBKey keyWithTitle:@"•" output:@"•"] ];
-            r3 = @[ [KBKey keyWithTitle:@"123" type:KBKeyTypeSymbolsToggle],
-                    [KBKey keyWithTitle:@"," output:@","], [KBKey keyWithTitle:@"." output:@"."], [KBKey keyWithTitle:@"?" output:@"?"],
-                    [KBKey keyWithTitle:@"!" output:@"!"], [KBKey keyWithTitle:@"'" output:@"'"],
-                    [KBKey keyWithTitle:@"⌫" type:KBKeyTypeBackspace] ];
+            KBKey *toggle = [KBKey keyWithIdentifier:@"symbols_toggle_123"
+                                               title:@"123"
+                                              output:@""
+                                                type:KBKeyTypeSymbolsToggle];
+            KBKey *comma = [KBKey keyWithTitle:@"," output:@","];
+            KBKey *dot = [KBKey keyWithTitle:@"." output:@"."];
+            KBKey *q = [KBKey keyWithTitle:@"?" output:@"?"];
+            KBKey *ex = [KBKey keyWithTitle:@"!" output:@"!"];
+            KBKey *quote = [KBKey keyWithTitle:@"'" output:@"'"];
+            KBKey *back = [KBKey keyWithIdentifier:@"backspace"
+                                             title:@"⌫"
+                                            output:@""
+                                              type:KBKeyTypeBackspace];
+            r3 = @[ toggle, comma, dot, q, ex, quote, back ];
         }
 
-        NSArray *r4 = @[ [KBKey keyWithTitle:@"abc" type:KBKeyTypeModeChange],
-                         [KBKey keyWithTitle:@"AI" type:KBKeyTypeCustom],
-                         [KBKey keyWithTitle:@"space" type:KBKeyTypeSpace],
-                         [KBKey keyWithTitle:KBLocalized(@"Send") type:KBKeyTypeReturn] ];
+        KBKey *modeABC = [KBKey keyWithIdentifier:@"mode_abc"
+                                            title:@"abc"
+                                           output:@""
+                                             type:KBKeyTypeModeChange];
+        KBKey *customAI = [KBKey keyWithIdentifier:@"ai"
+                                             title:@"AI"
+                                            output:@""
+                                              type:KBKeyTypeCustom];
+        KBKey *space = [KBKey keyWithIdentifier:@"space"
+                                          title:@"space"
+                                         output:@" "
+                                           type:KBKeyTypeSpace];
+        KBKey *ret = [KBKey keyWithIdentifier:@"return"
+                                        title:KBLocalized(@"Send")
+                                       output:@"\n"
+                                         type:KBKeyTypeReturn];
+
+        NSArray *r4 = @[ modeABC, customAI, space, ret ];
 
         return @[r1, r2, r3, r4];
     }
@@ -139,27 +188,67 @@
     // 字母键标题与输出同时随 Shift 切换大小写，界面与输入保持一致
     for (NSString *s in r1) {
         NSString *shown = self.shiftOn ? s : s.lowercaseString;
-        [row1 addObject:[KBKey keyWithTitle:shown output:shown]];
+        NSString *identifier = [NSString stringWithFormat:@"letter_%@", s.lowercaseString];
+        KBKey *k = [KBKey keyWithIdentifier:identifier
+                                      title:shown
+                                     output:shown
+                                       type:KBKeyTypeCharacter];
+        k.caseVariant = self.shiftOn ? KBKeyCaseVariantUpper : KBKeyCaseVariantLower;
+        [row1 addObject:k];
     }
 
     NSMutableArray *row2 = [NSMutableArray arrayWithCapacity:r2.count];
     for (NSString *s in r2) {
         NSString *shown = self.shiftOn ? s : s.lowercaseString;
-        [row2 addObject:[KBKey keyWithTitle:shown output:shown]];
+        NSString *identifier = [NSString stringWithFormat:@"letter_%@", s.lowercaseString];
+        KBKey *k = [KBKey keyWithIdentifier:identifier
+                                      title:shown
+                                     output:shown
+                                       type:KBKeyTypeCharacter];
+        k.caseVariant = self.shiftOn ? KBKeyCaseVariantUpper : KBKeyCaseVariantLower;
+        [row2 addObject:k];
     }
 
     NSMutableArray *row3 = [NSMutableArray array];
-    [row3 addObject:[KBKey keyWithTitle:@"⇧" type:KBKeyTypeShift]];
+    KBKey *shift = [KBKey keyWithIdentifier:@"shift"
+                                      title:@"⇧"
+                                     output:@""
+                                       type:KBKeyTypeShift];
+    [row3 addObject:shift];
     for (NSString *s in r3chars) {
         NSString *shown = self.shiftOn ? s : s.lowercaseString;
-        [row3 addObject:[KBKey keyWithTitle:shown output:shown]];
+        NSString *identifier = [NSString stringWithFormat:@"letter_%@", s.lowercaseString];
+        KBKey *k = [KBKey keyWithIdentifier:identifier
+                                      title:shown
+                                     output:shown
+                                       type:KBKeyTypeCharacter];
+        k.caseVariant = self.shiftOn ? KBKeyCaseVariantUpper : KBKeyCaseVariantLower;
+        [row3 addObject:k];
     }
-    [row3 addObject:[KBKey keyWithTitle:@"⌫" type:KBKeyTypeBackspace]];
+    KBKey *backspace = [KBKey keyWithIdentifier:@"backspace"
+                                          title:@"⌫"
+                                         output:@""
+                                           type:KBKeyTypeBackspace];
+    [row3 addObject:backspace];
 
-    NSArray *row4 = @[ [KBKey keyWithTitle:@"123" type:KBKeyTypeModeChange],
-                       [KBKey keyWithTitle:@"AI" type:KBKeyTypeCustom],
-                       [KBKey keyWithTitle:@"space" type:KBKeyTypeSpace],
-                       [KBKey keyWithTitle:KBLocalized(@"Send") type:KBKeyTypeReturn] ];
+    KBKey *mode123 = [KBKey keyWithIdentifier:@"mode_123"
+                                        title:@"123"
+                                       output:@""
+                                         type:KBKeyTypeModeChange];
+    KBKey *customAI = [KBKey keyWithIdentifier:@"ai"
+                                         title:@"AI"
+                                        output:@""
+                                          type:KBKeyTypeCustom];
+    KBKey *space = [KBKey keyWithIdentifier:@"space"
+                                      title:@"space"
+                                     output:@" "
+                                       type:KBKeyTypeSpace];
+    KBKey *ret = [KBKey keyWithIdentifier:@"return"
+                                    title:KBLocalized(@"Send")
+                                   output:@"\n"
+                                     type:KBKeyTypeReturn];
+
+    NSArray *row4 = @[ mode123, customAI, space, ret ];
 
     return @[row1.copy, row2.copy, row3.copy, row4];
 }

Shared/KBConfig.h

@@ -19,6 +19,13 @@
 /// APP Groups
 #define AppGroup @"group.com.loveKey.nyx"
 
+/// 皮肤图标加载模式：
+/// 0 = 使用本地 Assets 图片名（key_icons 的 value 写成图片名，例如 "kb_q_melon"）
+/// 1 = 使用远程 URL 下载到 App Group 目录，再由键盘扩展从文件系统加载
+#ifndef KB_SKIN_ICON_USE_REMOTE
+#define KB_SKIN_ICON_USE_REMOTE 0
+#endif
+
 
 // 基础baseUrl
 #ifndef KB_BASE_URL
@@ -84,4 +91,3 @@ static inline CGFloat KBFit(CGFloat designValue) {
 #ifndef KBWeakSelf
 #define KBWeakSelf __weak __typeof(self) weakSelf = self;
 #endif
-

Shared/KBSkinManager.h

@@ -26,6 +26,10 @@ extern NSString * const KBDarwinSkinChanged;         // cross-process
 @property (nonatomic, strong) UIColor *accentColor;     // function view accents
 /// 可选：键盘背景图片的 PNG/JPEG 数据（若存在，优先显示图片）
 @property (nonatomic, strong, nullable) NSData *backgroundImageData;
+/// 可选：需要隐藏文字的按键标识集合（例如 @"letter_q" @"space" 等）
+@property (nonatomic, strong, nullable) NSArray<NSString *> *hiddenKeyTextIdentifiers;
+/// 可选：按键图标映射（按键标识 -> 图标名或路径），具体加载策略由上层决定
+@property (nonatomic, strong, nullable) NSDictionary<NSString *, NSString *> *keyIconMap;
 @end
 
 /// Shared skin manager (Keychain Sharing based)
@@ -50,6 +54,23 @@ extern NSString * const KBDarwinSkinChanged;         // cross-process
 /// 当前背景图片（若存在）
 - (nullable UIImage *)currentBackgroundImage;
 
+/// 当前主题下，指定按键标识的文字是否应被隐藏（例如图标里已包含字母）
+- (BOOL)shouldHideKeyTextForIdentifier:(nullable NSString *)identifier;
+
+/// 当前主题下，指定按键标识对应的图标名（可作为 imageName 或文件相对路径），若未配置则为 nil
+- (nullable NSString *)iconNameForKeyIdentifier:(nullable NSString *)identifier;
+
+/// 当前主题下，返回指定按键的图标图片。
+/// 若 keyIconMap 中的 value 不包含 "/"，则按本地 Assets 名称加载；
+/// 若包含 "/"，则视为相对 App Group 根目录的文件路径，从文件系统加载。
+- (nullable UIImage *)iconImageForKeyIdentifier:(nullable NSString *)identifier;
+
+/// 带大小写变体的按键图标获取接口。
+/// @param identifier 逻辑按键标识（如 @"letter_q" @"space"）
+/// @param caseVariant 0=无变体/非字母，1=小写，2=大写（与 KBKeyCaseVariant 对应）
+- (nullable UIImage *)iconImageForKeyIdentifier:(nullable NSString *)identifier
+                                     caseVariant:(NSInteger)caseVariant;
+
 /// Parse a hex color string like "#RRGGBB"/"#RRGGBBAA"
 + (UIColor *)colorFromHexString:(NSString *)hex defaultColor:(UIColor *)fallback;
 

Shared/KBSkinManager.m

@@ -27,6 +27,12 @@ static NSString * const kKBSkinAccount = @"current";              // Keychain ac
     if (self.backgroundImageData) {
         [coder encodeObject:self.backgroundImageData forKey:@"backgroundImageData"];
     }
+    if (self.hiddenKeyTextIdentifiers.count > 0) {
+        [coder encodeObject:self.hiddenKeyTextIdentifiers forKey:@"hiddenKeyTextIdentifiers"];
+    }
+    if (self.keyIconMap.count > 0) {
+        [coder encodeObject:self.keyIconMap forKey:@"keyIconMap"];
+    }
 }
 
 - (instancetype)initWithCoder:(NSCoder *)coder {
@@ -39,6 +45,9 @@ static NSString * const kKBSkinAccount = @"current";              // Keychain ac
         _keyHighlightBackground = [coder decodeObjectOfClass:UIColor.class forKey:@"keyHighlightBackground"] ?: [UIColor colorWithWhite:0.85 alpha:1.0];
         _accentColor = [coder decodeObjectOfClass:UIColor.class forKey:@"accentColor"] ?: [UIColor colorWithRed:0.77 green:0.93 blue:0.82 alpha:1.0];
         _backgroundImageData = [coder decodeObjectOfClass:NSData.class forKey:@"backgroundImageData"];
+        // 这两个字段是新增的，旧数据没有也没关系
+        _hiddenKeyTextIdentifiers = [coder decodeObjectOfClass:NSArray.class forKey:@"hiddenKeyTextIdentifiers"];
+        _keyIconMap = [coder decodeObjectOfClass:NSDictionary.class forKey:@"keyIconMap"];
     }
     return self;
 }
@@ -91,6 +100,16 @@ static void KBSkinDarwinCallback(CFNotificationCenterRef center, void *observer,
     t.keyTextColor = [self.class colorFromHexString:json[@"key_text"] defaultColor:[self.class defaultTheme].keyTextColor];
     t.keyHighlightBackground = [self.class colorFromHexString:json[@"key_highlight"] defaultColor:[self.class defaultTheme].keyHighlightBackground];
     t.accentColor = [self.class colorFromHexString:json[@"accent"] defaultColor:[self.class defaultTheme].accentColor];
+    // 可选：hidden_keys 为需要隐藏文本的按键标识数组
+    id hidden = json[@"hidden_keys"];
+    if ([hidden isKindOfClass:NSArray.class]) {
+        t.hiddenKeyTextIdentifiers = hidden;
+    }
+    // 可选：key_icons 为 按键标识 -> 图标名/文件名 的字典
+    id icons = json[@"key_icons"];
+    if ([icons isKindOfClass:NSDictionary.class]) {
+        t.keyIconMap = icons;
+    }
     return [self applyTheme:t];
 }
 
@@ -121,6 +140,9 @@ static void KBSkinDarwinCallback(CFNotificationCenterRef center, void *observer,
     t.keyTextColor = base.keyTextColor ?: [self.class defaultTheme].keyTextColor;
     t.keyHighlightBackground = base.keyHighlightBackground ?: [self.class defaultTheme].keyHighlightBackground;
     t.accentColor = base.accentColor ?: [self.class defaultTheme].accentColor;
+    // 继承按键文本隐藏配置和图标映射，避免仅切换背景时丢失这些设置
+    t.hiddenKeyTextIdentifiers = base.hiddenKeyTextIdentifiers;
+    t.keyIconMap = base.keyIconMap;
     t.backgroundImageData = imageData;
     return [self applyTheme:t];
 }
@@ -131,6 +153,103 @@ static void KBSkinDarwinCallback(CFNotificationCenterRef center, void *observer,
     return [UIImage imageWithData:d scale:[UIScreen mainScreen].scale] ?: nil;
 }
 
+- (BOOL)shouldHideKeyTextForIdentifier:(NSString *)identifier {
+    if (identifier.length == 0) return NO;
+    NSArray<NSString *> *list = self.current.hiddenKeyTextIdentifiers;
+    if (list.count == 0) return NO;
+    // 简单线性查找，数量有限足够；如需可改为 NSSet 缓存。
+    for (NSString *s in list) {
+        if ([s isKindOfClass:NSString.class] && [s isEqualToString:identifier]) {
+            return YES;
+        }
+    }
+    return NO;
+}
+
+- (NSString *)iconNameForKeyIdentifier:(NSString *)identifier {
+    if (identifier.length == 0) return nil;
+    NSDictionary<NSString *, NSString *> *map = self.current.keyIconMap;
+    if (map.count == 0) return nil;
+    NSString *name = map[identifier];
+    if (![name isKindOfClass:NSString.class] || name.length == 0) return nil;
+    return name;
+}
+
+- (UIImage *)iconImageForKeyIdentifier:(NSString *)identifier {
+    return [self iconImageForKeyIdentifier:identifier caseVariant:0];
+}
+
+- (UIImage *)iconImageForKeyIdentifier:(NSString *)identifier caseVariant:(NSInteger)caseVariant {
+    NSDictionary<NSString *, NSString *> *map = self.current.keyIconMap;
+    NSString *value = nil;
+
+    if (identifier.length > 0 && map.count > 0) {
+        // 1) 大小写变体优先：letter_q_upper / letter_q_lower
+        if (caseVariant == 2) { // upper
+            NSString *keyUpper = [identifier stringByAppendingString:@"_upper"];
+            NSString *candidate = map[keyUpper];
+            if ([candidate isKindOfClass:NSString.class] && candidate.length > 0) {
+                value = candidate;
+            }
+        } else if (caseVariant == 1) { // lower
+            NSString *keyLower = [identifier stringByAppendingString:@"_lower"];
+            NSString *candidate = map[keyLower];
+            if ([candidate isKindOfClass:NSString.class] && candidate.length > 0) {
+                value = candidate;
+            }
+        }
+
+        // 2) 若未配置大小写专用图标，则回退到基础 id（兼容旧数据：letter_q）
+        if (value.length == 0) {
+            NSString *candidate = map[identifier];
+            if ([candidate isKindOfClass:NSString.class] && candidate.length > 0) {
+                value = candidate;
+            }
+        }
+    }
+
+    // 若在 keyIconMap 中找到了 value，按约定加载
+    if (value.length > 0) {
+        if ([value containsString:@"/"]) {
+            // 视为相对 App Group 根目录的文件路径
+            NSURL *containerURL = [[NSFileManager defaultManager] containerURLForSecurityApplicationGroupIdentifier:AppGroup];
+            if (!containerURL) return nil;
+            NSString *fullPath = [[containerURL.path stringByAppendingPathComponent:value] stringByStandardizingPath];
+            if (![[NSFileManager defaultManager] fileExistsAtPath:fullPath]) return nil;
+            return [UIImage imageWithContentsOfFile:fullPath];
+        }
+        // 否则按本地 Assets 名称加载（兼容旧实现）
+        return [UIImage imageNamed:value];
+    }
+
+    // 兜底：若 keyIconMap 中没有该键，则按照约定的命名规则直接从 App Group 读取：
+    // Skins/<skinId>/icons/(identifier[_upper/_lower]).png
+    NSString *skinId = self.current.skinId;
+    if (skinId.length == 0 || identifier.length == 0) return nil;
+    NSURL *containerURL = [[NSFileManager defaultManager] containerURLForSecurityApplicationGroupIdentifier:AppGroup];
+    if (!containerURL) return nil;
+    // 先尝试大小写后缀
+    if (caseVariant == 2) {
+        NSString *relativeUpper = [NSString stringWithFormat:@"Skins/%@/icons/%@_upper.png", skinId, identifier];
+        NSString *fullUpper = [[containerURL.path stringByAppendingPathComponent:relativeUpper] stringByStandardizingPath];
+        if ([[NSFileManager defaultManager] fileExistsAtPath:fullUpper]) {
+            return [UIImage imageWithContentsOfFile:fullUpper];
+        }
+    } else if (caseVariant == 1) {
+        NSString *relativeLower = [NSString stringWithFormat:@"Skins/%@/icons/%@_lower.png", skinId, identifier];
+        NSString *fullLower = [[containerURL.path stringByAppendingPathComponent:relativeLower] stringByStandardizingPath];
+        if ([[NSFileManager defaultManager] fileExistsAtPath:fullLower]) {
+            return [UIImage imageWithContentsOfFile:fullLower];
+        }
+    }
+
+    // 最后回退到基础 id：Skins/<skinId>/icons/<identifier>.png
+    NSString *relative = [NSString stringWithFormat:@"Skins/%@/icons/%@.png", skinId, identifier];
+    NSString *fullPath = [[containerURL.path stringByAppendingPathComponent:relative] stringByStandardizingPath];
+    if (![[NSFileManager defaultManager] fileExistsAtPath:fullPath]) return nil;
+    return [UIImage imageWithContentsOfFile:fullPath];
+}
+
 + (UIColor *)colorFromHexString:(NSString *)hex defaultColor:(UIColor *)fallback {
     if (![hex isKindOfClass:NSString.class] || hex.length == 0) return fallback;
     NSString *s = [[hex stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceAndNewlineCharacterSet]] lowercaseString];

keyBoard.xcodeproj/project.pbxproj

@@ -26,6 +26,7 @@
 		04122FB32EC73C0100EF7AB3 /* KBVipReviewListCell.m in Sources */ = {isa = PBXBuildFile; fileRef = 04122FB22EC73C0100EF7AB3 /* KBVipReviewListCell.m */; };
 		04286A002ECAEF2B00CE730C /* KBMoneyBtn.m in Sources */ = {isa = PBXBuildFile; fileRef = 042869FE2ECAEF2B00CE730C /* KBMoneyBtn.m */; };
 		04286A032ECB0A1600CE730C /* KBSexSelVC.m in Sources */ = {isa = PBXBuildFile; fileRef = 04286A022ECB0A1600CE730C /* KBSexSelVC.m */; };
+		04286A062ECC81B200CE730C /* KBSkinService.m in Sources */ = {isa = PBXBuildFile; fileRef = 04286A052ECC81B200CE730C /* KBSkinService.m */; };
 		043FBCD22EAF97630036AFE1 /* KBPermissionViewController.m in Sources */ = {isa = PBXBuildFile; fileRef = 04C6EAE12EAF940F0089C901 /* KBPermissionViewController.m */; };
 		0459D1B42EBA284C00F2D189 /* KBSkinCenterVC.m in Sources */ = {isa = PBXBuildFile; fileRef = 0459D1B32EBA284C00F2D189 /* KBSkinCenterVC.m */; };
 		0459D1B72EBA287900F2D189 /* KBSkinManager.m in Sources */ = {isa = PBXBuildFile; fileRef = 0459D1B62EBA287900F2D189 /* KBSkinManager.m */; };
@@ -234,6 +235,8 @@
 		042869FE2ECAEF2B00CE730C /* KBMoneyBtn.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; path = KBMoneyBtn.m; sourceTree = "<group>"; };
 		04286A012ECB0A1600CE730C /* KBSexSelVC.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = KBSexSelVC.h; sourceTree = "<group>"; };
 		04286A022ECB0A1600CE730C /* KBSexSelVC.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; path = KBSexSelVC.m; sourceTree = "<group>"; };
+		04286A042ECC81B200CE730C /* KBSkinService.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = KBSkinService.h; sourceTree = "<group>"; };
+		04286A052ECC81B200CE730C /* KBSkinService.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; path = KBSkinService.m; sourceTree = "<group>"; };
 		0459D1B22EBA284C00F2D189 /* KBSkinCenterVC.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = KBSkinCenterVC.h; sourceTree = "<group>"; };
 		0459D1B32EBA284C00F2D189 /* KBSkinCenterVC.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; path = KBSkinCenterVC.m; sourceTree = "<group>"; };
 		0459D1B52EBA287900F2D189 /* KBSkinManager.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = KBSkinManager.h; sourceTree = "<group>"; };
@@ -1297,6 +1300,8 @@
 			children = (
 				04FC95F22EB339C1007BD342 /* AppleSignInManager.h */,
 				04FC95F32EB339C1007BD342 /* AppleSignInManager.m */,
+				04286A042ECC81B200CE730C /* KBSkinService.h */,
+				04286A052ECC81B200CE730C /* KBSkinService.m */,
 			);
 			path = Manager;
 			sourceTree = "<group>";
@@ -1621,6 +1626,7 @@
 				04122F882EC6F07F00EF7AB3 /* KBFullAccessManager.m in Sources */,
 				04122F622EC5F41D00EF7AB3 /* KBUser.m in Sources */,
 				04122F8B2EC6F7C800EF7AB3 /* IAPVerifyTransactionObj.m in Sources */,
+				04286A062ECC81B200CE730C /* KBSkinService.m in Sources */,
 				04122FAD2EC73C0100EF7AB3 /* KBVipSubscribeCell.m in Sources */,
 				049FB31D2EC21BCD00FAB05D /* KBMyKeyboardCell.m in Sources */,
 				048909F62EC0AAAA00FABA60 /* KBCategoryTitleCell.m in Sources */,

keyBoard/Assets.xcassets/Test/Contents.json

@@ -0,0 +1,6 @@
+{
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}

keyBoard/Assets.xcassets/Test/key_123.imageset/Contents.json

@@ -0,0 +1,22 @@
+{
+  "images" : [
+    {
+      "idiom" : "universal",
+      "scale" : "1x"
+    },
+    {
+      "filename" : "key_123@2x.png",
+      "idiom" : "universal",
+      "scale" : "2x"
+    },
+    {
+      "filename" : "key_123@3x.png",
+      "idiom" : "universal",
+      "scale" : "3x"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}

keyBoard/Assets.xcassets/Test/key_a.imageset/Contents.json

@@ -0,0 +1,22 @@
+{
+  "images" : [
+    {
+      "idiom" : "universal",
+      "scale" : "1x"
+    },
+    {
+      "filename" : "key_a@2x.png",
+      "idiom" : "universal",
+      "scale" : "2x"
+    },
+    {
+      "filename" : "key_a@3x.png",
+      "idiom" : "universal",
+      "scale" : "3x"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}

keyBoard/Assets.xcassets/Test/key_ai.imageset/Contents.json

@@ -0,0 +1,22 @@
+{
+  "images" : [
+    {
+      "idiom" : "universal",
+      "scale" : "1x"
+    },
+    {
+      "filename" : "key_ai@2x.png",
+      "idiom" : "universal",
+      "scale" : "2x"
+    },
+    {
+      "filename" : "key_ai@3x.png",
+      "idiom" : "universal",
+      "scale" : "3x"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}

keyBoard/Assets.xcassets/Test/key_b.imageset/Contents.json

@@ -0,0 +1,22 @@
+{
+  "images" : [
+    {
+      "idiom" : "universal",
+      "scale" : "1x"
+    },
+    {
+      "filename" : "key_b@2x.png",
+      "idiom" : "universal",
+      "scale" : "2x"
+    },
+    {
+      "filename" : "key_b@3x.png",
+      "idiom" : "universal",
+      "scale" : "3x"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}

keyBoard/Assets.xcassets/Test/key_c.imageset/Contents.json

@@ -0,0 +1,22 @@
+{
+  "images" : [
+    {
+      "idiom" : "universal",
+      "scale" : "1x"
+    },
+    {
+      "filename" : "key_c@2x.png",
+      "idiom" : "universal",
+      "scale" : "2x"
+    },
+    {
+      "filename" : "key_c@3x.png",
+      "idiom" : "universal",
+      "scale" : "3x"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}

keyBoard/Assets.xcassets/Test/key_d.imageset/Contents.json

@@ -0,0 +1,22 @@
+{
+  "images" : [
+    {
+      "idiom" : "universal",
+      "scale" : "1x"
+    },
+    {
+      "filename" : "key_d@2x.png",
+      "idiom" : "universal",
+      "scale" : "2x"
+    },
+    {
+      "filename" : "key_d@3x.png",
+      "idiom" : "universal",
+      "scale" : "3x"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}

keyBoard/Assets.xcassets/Test/key_del.imageset/Contents.json

@@ -0,0 +1,22 @@
+{
+  "images" : [
+    {
+      "idiom" : "universal",
+      "scale" : "1x"
+    },
+    {
+      "filename" : "key_del@2x.png",
+      "idiom" : "universal",
+      "scale" : "2x"
+    },
+    {
+      "filename" : "key_del@3x.png",
+      "idiom" : "universal",
+      "scale" : "3x"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}

keyBoard/Assets.xcassets/Test/key_e.imageset/Contents.json

@@ -0,0 +1,22 @@
+{
+  "images" : [
+    {
+      "idiom" : "universal",
+      "scale" : "1x"
+    },
+    {
+      "filename" : "key_e@2x.png",
+      "idiom" : "universal",
+      "scale" : "2x"
+    },
+    {
+      "filename" : "key_e@3x.png",
+      "idiom" : "universal",
+      "scale" : "3x"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}

keyBoard/Assets.xcassets/Test/key_f.imageset/Contents.json

@@ -0,0 +1,22 @@
+{
+  "images" : [
+    {
+      "idiom" : "universal",
+      "scale" : "1x"
+    },
+    {
+      "filename" : "key_f@2x.png",
+      "idiom" : "universal",
+      "scale" : "2x"
+    },
+    {
+      "filename" : "key_f@3x.png",
+      "idiom" : "universal",
+      "scale" : "3x"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}

keyBoard/Assets.xcassets/Test/key_g.imageset/Contents.json

@@ -0,0 +1,22 @@
+{
+  "images" : [
+    {
+      "idiom" : "universal",
+      "scale" : "1x"
+    },
+    {
+      "filename" : "key_g@2x.png",
+      "idiom" : "universal",
+      "scale" : "2x"
+    },
+    {
+      "filename" : "key_g@3x.png",
+      "idiom" : "universal",
+      "scale" : "3x"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}

keyBoard/Assets.xcassets/Test/key_h.imageset/Contents.json

@@ -0,0 +1,22 @@
+{
+  "images" : [
+    {
+      "idiom" : "universal",
+      "scale" : "1x"
+    },
+    {
+      "filename" : "key_h@2x.png",
+      "idiom" : "universal",
+      "scale" : "2x"
+    },
+    {
+      "filename" : "key_h@3x.png",
+      "idiom" : "universal",
+      "scale" : "3x"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}

keyBoard/Assets.xcassets/Test/key_i.imageset/Contents.json

@@ -0,0 +1,22 @@
+{
+  "images" : [
+    {
+      "idiom" : "universal",
+      "scale" : "1x"
+    },
+    {
+      "filename" : "key_i@2x.png",
+      "idiom" : "universal",
+      "scale" : "2x"
+    },
+    {
+      "filename" : "key_i@3x.png",
+      "idiom" : "universal",
+      "scale" : "3x"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}

keyBoard/Assets.xcassets/Test/key_j.imageset/Contents.json

@@ -0,0 +1,22 @@
+{
+  "images" : [
+    {
+      "idiom" : "universal",
+      "scale" : "1x"
+    },
+    {
+      "filename" : "key_j@2x.png",
+      "idiom" : "universal",
+      "scale" : "2x"
+    },
+    {
+      "filename" : "key_j@3x.png",
+      "idiom" : "universal",
+      "scale" : "3x"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}

keyBoard/Assets.xcassets/Test/key_k.imageset/Contents.json

@@ -0,0 +1,22 @@
+{
+  "images" : [
+    {
+      "idiom" : "universal",
+      "scale" : "1x"
+    },
+    {
+      "filename" : "key_k@2x.png",
+      "idiom" : "universal",
+      "scale" : "2x"
+    },
+    {
+      "filename" : "key_k@3x.png",
+      "idiom" : "universal",
+      "scale" : "3x"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}

keyBoard/Assets.xcassets/Test/key_l.imageset/Contents.json

@@ -0,0 +1,22 @@
+{
+  "images" : [
+    {
+      "idiom" : "universal",
+      "scale" : "1x"
+    },
+    {
+      "filename" : "key_l@2x.png",
+      "idiom" : "universal",
+      "scale" : "2x"
+    },
+    {
+      "filename" : "key_l@3x.png",
+      "idiom" : "universal",
+      "scale" : "3x"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}

keyBoard/Assets.xcassets/Test/key_m.imageset/Contents.json

@@ -0,0 +1,22 @@
+{
+  "images" : [
+    {
+      "idiom" : "universal",
+      "scale" : "1x"
+    },
+    {
+      "filename" : "key_m@2x.png",
+      "idiom" : "universal",
+      "scale" : "2x"
+    },
+    {
+      "filename" : "key_m@3x.png",
+      "idiom" : "universal",
+      "scale" : "3x"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}

keyBoard/Assets.xcassets/Test/key_n.imageset/Contents.json

@@ -0,0 +1,22 @@
+{
+  "images" : [
+    {
+      "idiom" : "universal",
+      "scale" : "1x"
+    },
+    {
+      "filename" : "key_n@2x.png",
+      "idiom" : "universal",
+      "scale" : "2x"
+    },
+    {
+      "filename" : "key_n@3x.png",
+      "idiom" : "universal",
+      "scale" : "3x"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}

keyBoard/Assets.xcassets/Test/key_o.imageset/Contents.json

@@ -0,0 +1,22 @@
+{
+  "images" : [
+    {
+      "idiom" : "universal",
+      "scale" : "1x"
+    },
+    {
+      "filename" : "key_o@2x.png",
+      "idiom" : "universal",
+      "scale" : "2x"
+    },
+    {
+      "filename" : "key_o@3x.png",
+      "idiom" : "universal",
+      "scale" : "3x"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}

keyBoard/Assets.xcassets/Test/key_p.imageset/Contents.json

@@ -0,0 +1,22 @@
+{
+  "images" : [
+    {
+      "idiom" : "universal",
+      "scale" : "1x"
+    },
+    {
+      "filename" : "key_p@2x.png",
+      "idiom" : "universal",
+      "scale" : "2x"
+    },
+    {
+      "filename" : "key_p@3x.png",
+      "idiom" : "universal",
+      "scale" : "3x"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}

keyBoard/Assets.xcassets/Test/key_q.imageset/Contents.json

@@ -0,0 +1,22 @@
+{
+  "images" : [
+    {
+      "idiom" : "universal",
+      "scale" : "1x"
+    },
+    {
+      "filename" : "key_q@2x.png",
+      "idiom" : "universal",
+      "scale" : "2x"
+    },
+    {
+      "filename" : "key_q@3x.png",
+      "idiom" : "universal",
+      "scale" : "3x"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}

keyBoard/Assets.xcassets/Test/key_r.imageset/Contents.json

@@ -0,0 +1,22 @@
+{
+  "images" : [
+    {
+      "idiom" : "universal",
+      "scale" : "1x"
+    },
+    {
+      "filename" : "key_r@2x.png",
+      "idiom" : "universal",
+      "scale" : "2x"
+    },
+    {
+      "filename" : "key_r@3x.png",
+      "idiom" : "universal",
+      "scale" : "3x"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}

keyBoard/Assets.xcassets/Test/key_s.imageset/Contents.json

@@ -0,0 +1,22 @@
+{
+  "images" : [
+    {
+      "idiom" : "universal",
+      "scale" : "1x"
+    },
+    {
+      "filename" : "key_s@2x.png",
+      "idiom" : "universal",
+      "scale" : "2x"
+    },
+    {
+      "filename" : "key_s@3x.png",
+      "idiom" : "universal",
+      "scale" : "3x"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}

keyBoard/Assets.xcassets/Test/key_send.imageset/Contents.json

@@ -0,0 +1,22 @@
+{
+  "images" : [
+    {
+      "idiom" : "universal",
+      "scale" : "1x"
+    },
+    {
+      "filename" : "key_send@2x.png",
+      "idiom" : "universal",
+      "scale" : "2x"
+    },
+    {
+      "filename" : "key_send@3x.png",
+      "idiom" : "universal",
+      "scale" : "3x"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}

keyBoard/Assets.xcassets/Test/key_space.imageset/Contents.json

@@ -0,0 +1,22 @@
+{
+  "images" : [
+    {
+      "idiom" : "universal",
+      "scale" : "1x"
+    },
+    {
+      "filename" : "key_space@2x.png",
+      "idiom" : "universal",
+      "scale" : "2x"
+    },
+    {
+      "filename" : "key_space@3x.png",
+      "idiom" : "universal",
+      "scale" : "3x"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}

keyBoard/Assets.xcassets/Test/key_t.imageset/Contents.json

@@ -0,0 +1,22 @@
+{
+  "images" : [
+    {
+      "idiom" : "universal",
+      "scale" : "1x"
+    },
+    {
+      "filename" : "key_t@2x.png",
+      "idiom" : "universal",
+      "scale" : "2x"
+    },
+    {
+      "filename" : "key_t@3x.png",
+      "idiom" : "universal",
+      "scale" : "3x"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}

keyBoard/Assets.xcassets/Test/key_u.imageset/Contents.json

@@ -0,0 +1,22 @@
+{
+  "images" : [
+    {
+      "idiom" : "universal",
+      "scale" : "1x"
+    },
+    {
+      "filename" : "key_u@2x.png",
+      "idiom" : "universal",
+      "scale" : "2x"
+    },
+    {
+      "filename" : "key_u@3x.png",
+      "idiom" : "universal",
+      "scale" : "3x"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}

keyBoard/Assets.xcassets/Test/key_up.imageset/Contents.json

@@ -0,0 +1,22 @@
+{
+  "images" : [
+    {
+      "idiom" : "universal",
+      "scale" : "1x"
+    },
+    {
+      "filename" : "key_up@2x.png",
+      "idiom" : "universal",
+      "scale" : "2x"
+    },
+    {
+      "filename" : "key_up@3x.png",
+      "idiom" : "universal",
+      "scale" : "3x"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}

keyBoard/Assets.xcassets/Test/key_v.imageset/Contents.json

@@ -0,0 +1,22 @@
+{
+  "images" : [
+    {
+      "idiom" : "universal",
+      "scale" : "1x"
+    },
+    {
+      "filename" : "key_v@2x.png",
+      "idiom" : "universal",
+      "scale" : "2x"
+    },
+    {
+      "filename" : "key_v@3x.png",
+      "idiom" : "universal",
+      "scale" : "3x"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}

keyBoard/Assets.xcassets/Test/key_w.imageset/Contents.json

@@ -0,0 +1,22 @@
+{
+  "images" : [
+    {
+      "idiom" : "universal",
+      "scale" : "1x"
+    },
+    {
+      "filename" : "key_w@2x.png",
+      "idiom" : "universal",
+      "scale" : "2x"
+    },
+    {
+      "filename" : "key_w@3x.png",
+      "idiom" : "universal",
+      "scale" : "3x"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}

keyBoard/Assets.xcassets/Test/key_x.imageset/Contents.json

@@ -0,0 +1,22 @@
+{
+  "images" : [
+    {
+      "idiom" : "universal",
+      "scale" : "1x"
+    },
+    {
+      "filename" : "key_x@2x.png",
+      "idiom" : "universal",
+      "scale" : "2x"
+    },
+    {
+      "filename" : "key_x@3x.png",
+      "idiom" : "universal",
+      "scale" : "3x"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}