添加指引

keyBoard/KeyBoardPrefixHeader.pch

@@ -16,11 +16,74 @@
 /// 三方
 #import <Masonry/Masonry.h>
 
+/// 系统
+#import <UIKit/UIKit.h>
+
 /// 项目
 #import "BaseNavigationController.h"
 #import "BaseTableView.h"
 #import "BaseCell.h"
 
 
+//-----------------------------------------------宏定义全局----------------------------------------------------------/
+/// UI 尺寸/设备宏
+// 屏幕尺寸
+#define KB_SCREEN_WIDTH  ([UIScreen mainScreen].bounds.size.width)
+#define KB_SCREEN_HEIGHT ([UIScreen mainScreen].bounds.size.height)
+#define KB_ONE_PIXEL     (1.0 / [UIScreen mainScreen].scale)
+
+// 基础高度
+#define KB_NAVBAR_BASE_HEIGHT 44.0
+#define KB_TABBAR_BASE_HEIGHT 49.0
+
+// 当前 KeyWindow（iOS 13 场景化兼容）
+static inline UIWindow *KB_KeyWindow(void) {
+    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;
+}
+
+// Safe Area
+static inline UIEdgeInsets KB_SafeAreaInsets(void) {
+    if (@available(iOS 11.0, *)) {
+        UIWindow *w = KB_KeyWindow();
+        return w ? w.safeAreaInsets : UIEdgeInsetsZero;
+    }
+    return UIEdgeInsetsZero;
+}
+
+static inline CGFloat KB_SafeAreaTop(void) { return KB_SafeAreaInsets().top; }
+static inline CGFloat KB_SafeAreaBottom(void) { return KB_SafeAreaInsets().bottom; }
+
+// 状态栏高度（iOS13+ 兼容）
+static inline CGFloat KB_StatusBarHeight(void) {
+    if (@available(iOS 13.0, *)) {
+        UIWindow *w = KB_KeyWindow();
+        UIStatusBarManager *m = w.windowScene.statusBarManager;
+        return m ? m.statusBarFrame.size.height : 0.0;
+    } else {
+        return UIApplication.sharedApplication.statusBarFrame.size.height;
+    }
+}
+
+// 导航栏+状态栏总高度、TabBar 高度、是否异形屏
+#define KB_STATUSBAR_HEIGHT   (KB_StatusBarHeight())
+#define KB_NAV_TOTAL_HEIGHT   (KB_NAVBAR_BASE_HEIGHT + KB_StatusBarHeight())
+#define KB_TABBAR_HEIGHT      (KB_TABBAR_BASE_HEIGHT + KB_SafeAreaBottom())
+#define KB_IS_IPHONEX_SERIES  (KB_SafeAreaBottom() > 0.0)
+
 
 #endif /* KeyBoardPrefixHeader_pch */