4

keyBoard/KeyBoardPrefixHeader.pch

@@ -99,4 +99,34 @@ static inline CGFloat KB_StatusBarHeight(void) {
 #define KB_IS_IPHONEX_SERIES  (KB_SafeAreaBottom() > 0.0)
 
 
+
+
+// --- 设备特性：是否为带刘海机型（iPhone X 及以后异形屏）---
+// 说明：在 iPhone 12 等机型底部会有 34px 安全区，这里通过安全区来判断是否为“刘海屏”。
+// 注意：使用到 UIKit，这里自行引入，避免依赖 PCH 的包含顺序。
+#import <UIKit/UIKit.h>
+static inline BOOL KBDeviceHasNotchRuntime(void) {
+    if (@available(iOS 11.0, *)) {
+        UIWindow *window = nil;
+        if (@available(iOS 13.0, *)) {
+            for (UIScene *scene in UIApplication.sharedApplication.connectedScenes) {
+                if (scene.activationState == UISceneActivationStateForegroundActive && [scene isKindOfClass:[UIWindowScene class]]) {
+                    UIWindowScene *ws = (UIWindowScene *)scene;
+                    for (UIWindow *w in ws.windows) { if (w.isKeyWindow) { window = w; break; } }
+                    if (window) { break; }
+                }
+            }
+            if (!window) { window = UIApplication.sharedApplication.windows.firstObject; }
+        } else {
+            window = UIApplication.sharedApplication.keyWindow;
+        }
+        return window.safeAreaInsets.bottom > 0.0;
+    }
+    return NO;
+}
+
+#ifndef KB_DEVICE_HAS_NOTCH
+#define KB_DEVICE_HAS_NOTCH (KBDeviceHasNotchRuntime())
+#endif
+
 #endif /* KeyBoardPrefixHeader_pch */