添加键盘背景

CustomKeyboard/KeyboardViewController.m

@@ -14,6 +14,7 @@
 #import "Masonry.h"
 #import "KBAuthManager.h"
 #import "KBFullAccessManager.h"
+#import "KBSkinManager.h"
 
 static CGFloat KEYBOARDHEIGHT = 256 + 20;
 
@@ -22,6 +23,7 @@ static CGFloat KEYBOARDHEIGHT = 256 + 20;
 @property (nonatomic, strong) KBKeyBoardMainView *keyBoardMainView;   // 功能面板视图（点击工具栏第0个时显示）
 @property (nonatomic, strong) KBFunctionView *functionView;   // 功能面板视图（点击工具栏第0个时显示）
 @property (nonatomic, strong) KBSettingView *settingView;     // 设置页
+@property (nonatomic, strong) UIImageView *bgImageView;       // 背景图（在底层）
 @end
 
 @implementation KeyboardViewController
@@ -40,12 +42,23 @@ static CGFloat KEYBOARDHEIGHT = 256 + 20;
     __unused id token = [[NSNotificationCenter defaultCenter] addObserverForName:KBFullAccessChangedNotification object:nil queue:[NSOperationQueue mainQueue] usingBlock:^(__unused NSNotification * _Nonnull note) {
         // 如需，可在此刷新与完全访问相关的 UI
     }];
+
+    // 皮肤变化时，立即应用
+    __unused id token2 = [[NSNotificationCenter defaultCenter] addObserverForName:KBSkinDidChangeNotification object:nil queue:[NSOperationQueue mainQueue] usingBlock:^(__unused NSNotification * _Nonnull note) {
+        [self kb_applyTheme];
+    }];
+    [self kb_applyTheme];
 }
 
 
 - (void)setupUI {
     // 固定键盘整体高度
     [self.view.heightAnchor constraintEqualToConstant:KEYBOARDHEIGHT].active = YES;
+    // 背景图铺底
+    [self.view addSubview:self.bgImageView];
+    [self.bgImageView mas_makeConstraints:^(MASConstraintMaker *make) {
+        make.edges.equalTo(self.view);
+    }];
     // 预置功能面板（默认隐藏），与键盘区域共享相同布局
     self.functionView.hidden = YES;
     [self.view addSubview:self.functionView];
@@ -217,4 +230,40 @@ static CGFloat KEYBOARDHEIGHT = 256 + 20;
         __unused typeof(weakSelf) selfStrong = weakSelf;
     }];
 }
+
+#pragma mark - Theme
+
+- (void)kb_applyTheme {
+    KBSkinTheme *t = [KBSkinManager shared].current;
+    UIImage *img = [[KBSkinManager shared] currentBackgroundImage];
+    self.bgImageView.image = img;
+    BOOL hasImg = (img != nil);
+    self.view.backgroundColor = hasImg ? [UIColor clearColor] : t.keyboardBackground;
+    self.keyBoardMainView.backgroundColor = hasImg ? [UIColor clearColor] : t.keyboardBackground;
+    // 触发键区按主题重绘
+    if ([self.keyBoardMainView respondsToSelector:@selector(kb_applyTheme)]) {
+        // method declared in KBKeyBoardMainView.h
+        #pragma clang diagnostic push
+        #pragma clang diagnostic ignored "-Warc-performSelector-leaks"
+        [self.keyBoardMainView performSelector:@selector(kb_applyTheme)];
+        #pragma clang diagnostic pop
+    }
+    if ([self.functionView respondsToSelector:@selector(kb_applyTheme)]) {
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Warc-performSelector-leaks"
+        [self.functionView performSelector:@selector(kb_applyTheme)];
+#pragma clang diagnostic pop
+    }
+}
+
+#pragma mark - Lazy
+
+- (UIImageView *)bgImageView {
+    if (!_bgImageView) {
+        _bgImageView = [[UIImageView alloc] init];
+        _bgImageView.contentMode = UIViewContentModeScaleAspectFill;
+        _bgImageView.clipsToBounds = YES;
+    }
+    return _bgImageView;
+}
 @end

CustomKeyboard/View/KBFunctionView.h

@@ -33,6 +33,9 @@ NS_ASSUME_NONNULL_BEGIN
 @property (nonatomic, strong, readonly) UIButton *clearButton;  // 右侧-清空
 @property (nonatomic, strong, readonly) UIButton *sendButton;   // 右侧-发送
 
+/// 应用当前皮肤（更新背景/强调色）
+- (void)kb_applyTheme;
+
 @end
 
 NS_ASSUME_NONNULL_END

CustomKeyboard/View/KBFunctionView.m

@@ -14,6 +14,7 @@
 #import <MBProgressHUD.h>
 #import "KBFullAccessGuideView.h"
 #import "KBFullAccessManager.h"
+#import "KBSkinManager.h"
 
 static NSString * const kKBFunctionTagCellId = @"KBFunctionTagCellId";
 
@@ -40,8 +41,8 @@ static NSString * const kKBFunctionTagCellId = @"KBFunctionTagCellId";
 
 - (instancetype)initWithFrame:(CGRect)frame {
     if (self = [super initWithFrame:frame]) {
-        // 整体绿色背景（接近截图效果，项目可自行替换素材）
-        self.backgroundColor = [UIColor colorWithRed:0.77 green:0.93 blue:0.82 alpha:1.0];
+        // 背景使用当前主题强调色
+        [self kb_applyTheme];
 
         [self setupUI];
         [self reloadDemoData];
@@ -52,6 +53,15 @@ static NSString * const kKBFunctionTagCellId = @"KBFunctionTagCellId";
     return self;
 }
 
+#pragma mark - Theme
+
+- (void)kb_applyTheme {
+    KBSkinManager *mgr = [KBSkinManager shared];
+    UIColor *accent = mgr.current.accentColor ?: [UIColor colorWithRed:0.77 green:0.93 blue:0.82 alpha:1.0];
+    BOOL hasImg = ([mgr currentBackgroundImage] != nil);
+    self.backgroundColor = hasImg ? [accent colorWithAlphaComponent:0.65] : accent;
+}
+
 - (void)dealloc {
     [self stopPasteboardMonitor];
 }

CustomKeyboard/View/KBKeyBoardMainView.h

@@ -28,6 +28,9 @@ NS_ASSUME_NONNULL_BEGIN
 @interface KBKeyBoardMainView : UIView
 @property (nonatomic, weak) id<KBKeyBoardMainViewDelegate> delegate;
 
+/// 应用当前皮肤（会触发键区重载以应用按键颜色）
+- (void)kb_applyTheme;
+
 @end
 
 NS_ASSUME_NONNULL_END

CustomKeyboard/View/KBKeyBoardMainView.m

@@ -11,6 +11,7 @@
 #import "KBFunctionView.h"
 #import "KBKey.h"
 #import "Masonry.h"
+#import "KBSkinManager.h"
 
 @interface KBKeyBoardMainView ()<KBToolBarDelegate, KBKeyboardViewDelegate>
 @property (nonatomic, strong) KBToolBar *topBar;
@@ -21,7 +22,7 @@
 
 - (instancetype)initWithFrame:(CGRect)frame {
     if (self = [super initWithFrame:frame]) {
-        self.backgroundColor = [UIColor colorWithWhite:0.95 alpha:1.0];
+        self.backgroundColor = [KBSkinManager shared].current.keyboardBackground;
         // 顶部栏
         self.topBar = [[KBToolBar alloc] init];
         self.topBar.delegate = self;
@@ -31,7 +32,7 @@
             make.top.equalTo(self.mas_top).offset(6);
             make.height.mas_equalTo(40);
         }];
-
+        
         // 键盘区域
         self.keyboardView = [[KBKeyboardView alloc] init];
         self.keyboardView.delegate = self;
@@ -41,9 +42,9 @@
             make.top.equalTo(self.topBar.mas_bottom).offset(4);
             make.bottom.equalTo(self.mas_bottom).offset(-4);
         }];
-
+        
         // 功能面板切换交由外部控制器处理；此处不直接创建/管理
-
+        
     }
     return self;
 }
@@ -114,5 +115,15 @@
 // 切换功能面板交由外部控制器处理（此处不再实现）
 
 // 设置页展示改由 KeyboardViewController 统一处理
+#pragma mark - Theme
+
+- (void)kb_applyTheme {
+    KBSkinManager *mgr = [KBSkinManager shared];
+    BOOL hasImg = ([mgr currentBackgroundImage] != nil);
+    UIColor *bg = mgr.current.keyboardBackground;
+    self.backgroundColor = hasImg ? [UIColor clearColor] : bg;
+    self.keyboardView.backgroundColor = hasImg ? [UIColor clearColor] : bg;
+    [self.keyboardView reloadKeys];
+}
 
 @end

CustomKeyboard/View/KBKeyButton.m

@@ -5,6 +5,7 @@
 
 #import "KBKeyButton.h"
 #import "KBKey.h"
+#import "KBSkinManager.h"
 
 @implementation KBKeyButton
 
@@ -16,10 +17,11 @@
 }
 
 - (void)applyDefaultStyle {
-    self.titleLabel.font = [UIFont systemFontOfSize:18 weight:UIFontWeightSemibold]; // 字体样式
-    [self setTitleColor:[UIColor blackColor] forState:UIControlStateNormal];
-    [self setTitleColor:[UIColor blackColor] forState:UIControlStateHighlighted];
-    self.backgroundColor = [UIColor whiteColor];
+    self.titleLabel.font = [UIFont systemFontOfSize:18 weight:UIFontWeightSemibold];
+    KBSkinTheme *t = [KBSkinManager shared].current;
+    [self setTitleColor:t.keyTextColor forState:UIControlStateNormal];
+    [self setTitleColor:t.keyTextColor forState:UIControlStateHighlighted];
+    self.backgroundColor = t.keyBackground;
     self.layer.cornerRadius = 6.0;      // 圆角
     self.layer.masksToBounds = NO;
     self.layer.shadowColor = [UIColor colorWithWhite:0 alpha:0.1].CGColor; // 阴影效果
@@ -46,10 +48,11 @@
 
 - (void)refreshStateAppearance {
     // 选中态用于 Shift/CapsLock 等特殊按键的高亮显示
+    KBSkinTheme *t = [KBSkinManager shared].current;
     if (self.isSelected) {
-        self.backgroundColor = [UIColor colorWithWhite:0.85 alpha:1.0];
+        self.backgroundColor = t.keyHighlightBackground ?: t.keyBackground;
     } else {
-        self.backgroundColor = [UIColor whiteColor];
+        self.backgroundColor = t.keyBackground;
     }
 }
 

CustomKeyboard/View/KBKeyboardView.m

@@ -7,6 +7,7 @@
 #import "KBKeyButton.h"
 #import "KBKey.h"
 #import "KBResponderUtils.h" // 封装的响应链工具
+#import "KBSkinManager.h"
 
 @interface KBKeyboardView ()
 @property (nonatomic, strong) UIView *row1;
@@ -22,7 +23,7 @@
 
 - (instancetype)initWithFrame:(CGRect)frame {
     if (self = [super initWithFrame:frame]) {
-        self.backgroundColor = [UIColor colorWithWhite:0.95 alpha:1.0];
+        self.backgroundColor = [KBSkinManager shared].current.keyboardBackground;
         _layoutStyle = KBKeyboardLayoutStyleLetters;
         // 默认小写：与需求一致，初始不开启 Shift
         _shiftOn = NO;