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[ios] Fixed small back button tap area.

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This commit is contained in:
Ilya Grechuhin 2016-03-21 14:34:42 +03:00 • committed by Sergey Yershov
parent efa3de81aa
commit 6adffc7a1c
1 changed files with 17 additions and 5 deletions
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22
iphone/Maps/Classes/UIViewController+Navigation.mm
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@ -1,21 +1,33 @@
#import "Common.h"
#import "UIViewController+Navigation.h"
namespace
{
CGFloat constexpr kButtonExtraWidth = 16.0;
}
@implementation UIViewController (Navigation)
- (UIButton *)backButton
- (UIBarButtonItem *)negativeSpacer
{
UIBarButtonItem * spacer = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemFixedSpace target:nil action:nil];
spacer.width = -kButtonExtraWidth;
return spacer;
}
- (UIBarButtonItem *)backButton
{
UIImage * backImage = [UIImage imageNamed:@"ic_nav_bar_back"];
UIButton * button = [[UIButton alloc] initWithFrame:{{}, backImage.size}];
CGSize const buttonSize = {backImage.size.width + kButtonExtraWidth, backImage.size.height};
UIButton * button = [[UIButton alloc] initWithFrame:{{}, buttonSize}];
[button setImage:backImage forState:UIControlStateNormal];
[button addTarget:self action:@selector(backTap) forControlEvents:UIControlEventTouchUpInside];
button.imageEdgeInsets = {0, -16, 0, 0};
return button;
return [[UIBarButtonItem alloc] initWithCustomView:button];
}
- (void)showBackButton
{
self.navigationItem.leftBarButtonItem = [[UIBarButtonItem alloc] initWithCustomView:[self backButton]];
self.navigationItem.leftBarButtonItems = @[[self negativeSpacer], [self backButton]];
}
- (void)backTap