erpsuiteios/RA Image/RA Image/RootNavigationController.m

//
//  RootNavigationController.m
//  RA Image
//
//  Created by Jack on 2017/5/5.
//  Copyright © 2017年 USAI. All rights reserved.
//

#import "RootNavigationController.h"
#import "PhotoPreviewController.h"

@interface RootNavigationController ()

@end

@implementation RootNavigationController

- (void)viewDidLoad {
    [super viewDidLoad];
    // Do any additional setup after loading the view.
}

- (void)didReceiveMemoryWarning {
    [super didReceiveMemoryWarning];
    // Dispose of any resources that can be recreated.
}

- (BOOL)shouldAutorotate {
    if ([self.topViewController isKindOfClass:[PhotoPreviewController class]]) { // 图片预览保持竖屏
        return NO;
    }
    return YES;
}



@end