iOS: hasNotch implements

doric-iOS/Pod/Classes/Engine/DoricJSEngine.m

@@ -68,6 +68,7 @@ - (instancetype)init {
                 @"screenWidth": @([[UIScreen mainScreen] bounds].size.width),
                 @"screenHeight": @([[UIScreen mainScreen] bounds].size.height),
                 @"statusBarHeight": @([[UIApplication sharedApplication] statusBarFrame].size.height),
+                @"hasNotch": @(hasNotch()),
                 @"deviceBrand": @"Apple",
                 @"deviceModel": platform,
         };

doric-iOS/Pod/Classes/Util/DoricUtil.h

@@ -42,3 +42,5 @@ NSBundle *_Nonnull DoricBundle(void);
 void ShowToast(NSString *_Nonnull text, DoricGravity gravity);
 
 UIImage *_Nonnull UIImageWithColor(UIColor *_Nonnull color);
+
+BOOL hasNotch(void);

doric-iOS/Pod/Classes/Util/DoricUtil.m

@@ -95,3 +95,12 @@ void ShowToast(NSString *text, DoricGravity gravity) {
     UIGraphicsEndImageContext();
     return image;
 }
+
+BOOL hasNotch() {
+    if (@available(iOS 11.0, *)) {
+        CGFloat height = [[UIApplication sharedApplication] delegate].window.safeAreaInsets.bottom;
+        return (height > 0);
+    } else {
+        return NO;
+    }
+}