initial commit

Example/SellyCloudSDK/Controllers/UINavigationController+Orientation.m

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+//
+//  UINavigationController+Orientation.m
+//  AVDemo
+//
+//  让导航控制器将方向决策交给顶层 ViewController
+//
+
+#import "UINavigationController+Orientation.h"
+
+@implementation UINavigationController (Orientation)
+
+- (BOOL)shouldAutorotate {
+    // 将决策权交给顶层 ViewController
+    return [self.topViewController shouldAutorotate];
+}
+
+- (UIInterfaceOrientationMask)supportedInterfaceOrientations {
+    // 将决策权交给顶层 ViewController
+    return [self.topViewController supportedInterfaceOrientations];
+}
+
+- (UIInterfaceOrientation)preferredInterfaceOrientationForPresentation {
+    // 将决策权交给顶层 ViewController
+    return [self.topViewController preferredInterfaceOrientationForPresentation];
+}
+
+@end