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NavigationBarWithBarItemsExample.m
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NavigationBarWithBarItemsExample.m
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/*
Copyright 2016-present the Material Components for iOS authors. All Rights Reserved.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
#import <UIKit/UIKit.h>
#import "MaterialNavigationBar.h"
#import "MaterialNavigationBar+ColorThemer.h"
#import "supplemental/NavigationBarTypicalUseExampleSupplemental.h"
@implementation NavigationBarWithBarItemsExample
- (void)viewDidLoad {
[super viewDidLoad];
self.view.backgroundColor = [UIColor whiteColor];
self.title = @"With Items";
self.navigationItem.leftBarButtonItem =
[[UIBarButtonItem alloc] initWithTitle:@"Leading"
style:UIBarButtonItemStylePlain
target:self
action:@selector(itemTapped:)];
self.navigationItem.rightBarButtonItem =
[[UIBarButtonItem alloc] initWithTitle:@"Trailing"
style:UIBarButtonItemStylePlain
target:self
action:@selector(itemTapped:)];
self.navBar = [[MDCNavigationBar alloc] initWithFrame:CGRectZero];
[self.navBar observeNavigationItem:self.navigationItem];
MDCNavigationBarTextColorAccessibilityMutator *mutator =
[[MDCNavigationBarTextColorAccessibilityMutator alloc] init];
[mutator mutate:self.navBar];
[MDCNavigationBarColorThemer applySemanticColorScheme:self.colorScheme
toNavigationBar:self.navBar];
[self.view addSubview:self.navBar];
self.navBar.translatesAutoresizingMaskIntoConstraints = NO;
#if defined(__IPHONE_11_0) && (__IPHONE_OS_VERSION_MAX_ALLOWED >= __IPHONE_11_0)
if (@available(iOS 11.0, *)) {
[self.view.safeAreaLayoutGuide.topAnchor constraintEqualToAnchor:self.navBar.topAnchor].active = YES;
} else {
#endif
[NSLayoutConstraint constraintWithItem:self.topLayoutGuide
attribute:NSLayoutAttributeBottom
relatedBy:NSLayoutRelationEqual
toItem:self.navBar
attribute:NSLayoutAttributeTop
multiplier:1.0
constant:0].active = YES;
#if defined(__IPHONE_11_0) && (__IPHONE_OS_VERSION_MAX_ALLOWED >= __IPHONE_11_0)
}
#endif
NSDictionary *viewsBindings = @{@"navBar": self.navBar};
[NSLayoutConstraint
activateConstraints:[NSLayoutConstraint constraintsWithVisualFormat:@"H:|[navBar]|"
options:0
metrics:nil
views:viewsBindings]];
[self setupExampleViews];
}
- (void)viewWillAppear:(BOOL)animated {
[super viewWillAppear:animated];
[self.navigationController setNavigationBarHidden:YES animated:animated];
}
- (void)itemTapped:(id)sender {
NSAssert([sender respondsToSelector:@selector(title)], @"");
NSLog(@"%@", [sender title]);
}
@end
@implementation NavigationBarWithBarItemsExample (CatalogByConvention)
+ (NSArray *)catalogBreadcrumbs {
return @[ @"Navigation Bar", @"Navigation Bar with Items" ];
}
+ (BOOL)catalogIsPrimaryDemo {
return NO;
}
- (BOOL)catalogShouldHideNavigation {
return YES;
}
+ (BOOL)catalogIsPresentable {
return NO;
}
@end