How to resize UINavigationItem leftBarButtonItem

I want to resize leftBarButtonItem.
If I go with a custom barButtonItem then I wouldn't get the previous mark on that button.
Here I was able to make a little text by setting the following code in the method didFinishLaunchingWithOptions

.

[[UIBarButtonItem appearanceWhenContainedIn:[UINavigationBar class], nil] setTitleTextAttributes:
     @{NSFontAttributeName:[UIFont systemFontOfSize:12.0]} forState:UIControlStateNormal];

      

But the sign of the previous one does not change.

Image

Is there any way (other than the given image) to make a small sign? I also tried to rescale this leftBarButtonItem

, but there is no method for this.

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UIView *viewLeftSide = [[UIView alloc] initWithFrame:CGRectMake(0.0, 0.0, 100.0, 30.0)];
viewLeftSide.userInteractionEnabled = YES;

UIButton *btn1 = [[UIButton alloc] initWithFrame:CGRectMake(0.0, 5.0, 20.0, 20.0)];
[btn1 setImage:[UIImage imageNamed:@"img1"] forState:UIControlStateNormal];
[btn1 addTarget:self action:@selector(sel1) forControlEvents:UIControlEventTouchUpInside];
[viewLeftSide addSubview:btn1];

UIButton *btn = [[UIButton alloc] initWithFrame:CGRectMake(50.0, 5.0, 20.0, 20.0)];
[btn2 setImage:[UIImage imageNamed:@"img2"] forState:UIControlStateNormal];
[btn2 addTarget:self action:@selector(sel2) forControlEvents:UIControlEventTouchUpInside];
[viewLeftSide addSubview:btn2];

UIBarButtonItem *leftBarItem = [[UIBarButtonItem alloc] initWithCustomView:viewLeftSide];

self.tabBarController.navigationItem.leftBarButtonItem = leftBarItem;

      



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 UIBarButtonItem* backButton = [[UIBarButtonItem alloc]initWithTitle:@"Back" style:UIBarButtonItemStylePlain target:self action:@selector(barButtonBackPressed:)];


UIImage *backImage = [UIImage imageNamed:@"backarrow11.png"];
UIButton *back = [UIButton buttonWithType:UIButtonTypeCustom];
back.bounds = CGRectMake( 0, 0, 17, 17);
[back setImage:backImage forState:UIControlStateNormal];
[back addTarget:self action:@selector(barButtonBackPressed:)forControlEvents: UIControlEventTouchUpInside];

UIBarButtonItem *barBtn2 = [[UIBarButtonItem alloc] initWithCustomView:back];
self.navigationItem.leftBarButtonItems=[NSArray arrayWithObjects:barBtn2,backButton, nil];

      



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