/* Copyright 2017-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 #import "NavigationBarTypicalUseExampleSupplemental.h" #import #import "MaterialIcons+ic_arrow_back.h" #import "MaterialIcons+ic_info.h" #import "MaterialIcons+ic_reorder.h" #import "MaterialNavigationBar.h" #import "supplemental/NavigationBarTypicalUseExampleSupplemental.h" @interface NavigationBarIconsExample () @property(nonatomic, strong) MDCNavigationBar *navigationBar; @property(nonatomic, weak) UIBarButtonItem *trailingBarButtonItem; @property(nonatomic, weak) UIBarButtonItem *leadingBarButtonItem; @end @implementation NavigationBarIconsExample - (void)viewDidLoad { [super viewDidLoad]; self.title = @"Title"; self.view.backgroundColor = UIColor.darkGrayColor; self.navigationBar = [[MDCNavigationBar alloc] initWithFrame:CGRectZero]; self.navigationBar.translatesAutoresizingMaskIntoConstraints = NO; [self.navigationBar observeNavigationItem:self.navigationItem]; self.navigationBar.titleTextAttributes = @{NSForegroundColorAttributeName : UIColor.whiteColor}; [self.view addSubview:self.navigationBar]; UIBarButtonItem *backButtonItem = [[UIBarButtonItem alloc] initWithImage:[[[MDCIcons imageFor_ic_arrow_back] mdf_imageWithHorizontallyFlippedOrientation] imageWithRenderingMode:UIImageRenderingModeAlwaysTemplate] style:UIBarButtonItemStylePlain target:self action:@selector(didTapBackButton)]; // backButtonItem.tintColor = UIColor.whiteColor; UIBarButtonItem *leadingButtonItem = [[UIBarButtonItem alloc] initWithImage:[[MDCIcons imageFor_ic_info] imageWithRenderingMode:UIImageRenderingModeAlwaysTemplate] style:UIBarButtonItemStylePlain target:nil action:nil]; // leadingButtonItem.tintColor = UIColor.whiteColor; UIBarButtonItem *trailingButtonItem = [[UIBarButtonItem alloc] initWithImage:[[MDCIcons imageFor_ic_reorder] imageWithRenderingMode:UIImageRenderingModeAlwaysTemplate] style:UIBarButtonItemStylePlain target:nil action:nil]; // trailingButtonItem.tintColor = UIColor.whiteColor; self.navigationBar.tintColor = UIColor.whiteColor; self.leadingBarButtonItem = leadingButtonItem; self.trailingBarButtonItem = trailingButtonItem; self.navigationItem.hidesBackButton = NO; self.navigationItem.leftBarButtonItems = @[ leadingButtonItem ]; self.navigationItem.rightBarButtonItem = trailingButtonItem; self.navigationItem.backBarButtonItem = backButtonItem; #if defined(__IPHONE_11_0) && (__IPHONE_OS_VERSION_MAX_ALLOWED >= __IPHONE_11_0) if (@available(iOS 11.0, *)) { [self.view.safeAreaLayoutGuide.topAnchor constraintEqualToAnchor:self.navigationBar.topAnchor].active = YES; } else { #endif [NSLayoutConstraint constraintWithItem:self.topLayoutGuide attribute:NSLayoutAttributeBottom relatedBy:NSLayoutRelationEqual toItem:self.navigationBar 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 = NSDictionaryOfVariableBindings(_navigationBar); [NSLayoutConstraint activateConstraints:[NSLayoutConstraint constraintsWithVisualFormat:@"H:|[_navigationBar]|" options:0 metrics:nil views:viewsBindings]]; } - (BOOL)prefersStatusBarHidden { return NO; } - (void)viewWillAppear:(BOOL)animated { [super viewWillAppear:animated]; [self.navigationController setNavigationBarHidden:YES animated:animated]; } - (void)didTapBackButton { [self.navigationController popViewControllerAnimated:YES]; } @end @implementation NavigationBarIconsExample (CatalogByConvention) + (NSArray *)catalogBreadcrumbs { return @[ @"Navigation Bar", @"Navigation Bar With Icons" ]; } + (BOOL)catalogIsPrimaryDemo { return NO; } - (BOOL)catalogShouldHideNavigation { return YES; } + (BOOL)catalogIsPresentable { return YES; } @end