Customize UITableViewController table view class

MTXTableViewController.h

//
//  MTXTableViewController.h
//  InBankMobile
//
//  Created by Matteo Matassoni on 08/11/2018.
//  Copyright © 2018 Matteo Matassoni. All rights reserved.
//

#import <UIKit/UIKit.h>

NS_ASSUME_NONNULL_BEGIN

@interface MTXTableViewController : UITableViewController

#if UIKIT_DEFINE_AS_PROPERTIES
@property (class, nonatomic, readonly) Class tableViewClass; // override this method to provide a custom class of UITableView
#else
+ (Class)tableViewClass; // override this method to provide a custom class of UITableView
#endif

@end

NS_ASSUME_NONNULL_END

MTXTableViewController.m

//
//  MTXTableViewController.m
//  InBankMobile
//
//  Created by Matteo Matassoni on 08/11/2018.
//  Copyright © 2018 Matteo Matassoni. All rights reserved.
//

#import "MTXTableViewController.h"

@interface MTXTableViewController ()
@property (nonatomic) UITableViewStyle style;
@end

@implementation MTXTableViewController

- (instancetype)initWithStyle:(UITableViewStyle)style {
    self = [super initWithStyle:style];
    if (!self) {
        return nil;
    }
    
    _style = style;
    
    return self;
}

+ (Class)tableViewClass {
    return [UITableView class];
}

- (void)loadView {
    Class desiredTVClass = [[self class] tableViewClass];
    if (self.nibName) {
        [super loadView];
        
        // Just for completeness.
        self.style = self.tableView.style;
        
        NSAssert([self.tableView isKindOfClass:desiredTVClass], @"%@ must be a an instance of %@ (or subclass)", self.tableView, NSStringFromClass(desiredTVClass));
    } else {
        UITableView *tableView = [[desiredTVClass alloc] initWithFrame:CGRectZero style:self.style];
        tableView.autoresizingMask = UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight;
        self.tableView = tableView;
    }
}

@end