Create an example of MDCAppBarContainerViewController usage
ADD
components/AppBar/examples/AppBarWrappedExample.m
+/*
+ Copyright 2018-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 "MaterialAppBar.h"
+#import "MaterialAppBar+ColorThemer.h"
+#import "MaterialAppBar+TypographyThemer.h"
+
+
+@interface WrappedDemoViewController : UIViewController
+@end
+
+@implementation WrappedDemoViewController
+
+- (void)viewDidLoad {
+ [super viewDidLoad];
+
+ self.title = @"Wrapped App Bar";
+
+ self.view.backgroundColor = [UIColor colorWithWhite:0.95f alpha:1];
+
+ UILabel *label = [[UILabel alloc] init];
+ label.text = @"Wrapped UIViewController";
+ [self.view addSubview:label];
+
+ [label sizeToFit];
+ label.center = self.view.center;
+}
+
+@end
+
+@interface AppBarWrappedExample : UIViewController
+
+@property(nonatomic, strong) MDCAppBarContainerViewController *appBarContainerViewController;
+@property(nonatomic, strong) MDCSemanticColorScheme *colorScheme;
+@property(nonatomic, strong) MDCTypographyScheme *typographyScheme;
+
+@end
+
+@implementation AppBarWrappedExample
+
+- (void)viewDidLoad {
+ [super viewDidLoad];
+
+ WrappedDemoViewController *demoVC = [[WrappedDemoViewController alloc] init];
+ self.appBarContainerViewController =
+ [[MDCAppBarContainerViewController alloc] initWithContentViewController:demoVC];
+
+ [MDCAppBarColorThemer applySemanticColorScheme:self.colorScheme
+ toAppBar:self.appBarContainerViewController.appBar];
+ [MDCAppBarTypographyThemer applyTypographyScheme:self.typographyScheme
+ toAppBar:self.appBarContainerViewController.appBar];
+
+ // Need to update the status bar style after applying the theme.
+ [self setNeedsStatusBarAppearanceUpdate];
+
+ [self addChildViewController:self.appBarContainerViewController];
+ self.appBarContainerViewController.view.frame = self.view.bounds;
+ [self.view addSubview:self.appBarContainerViewController.view];
+ [self.appBarContainerViewController didMoveToParentViewController:self];
+}
+
+@end
+
+@implementation AppBarWrappedExample (CatalogByConvention)
+
++ (NSArray *)catalogBreadcrumbs {
+ return @[ @"App Bar", @"Wrapped" ];
+}
+
++ (BOOL)catalogIsPrimaryDemo {
+ return NO;
+}
+
+- (BOOL)catalogShouldHideNavigation {
+ return YES;
+}
+
++ (BOOL)catalogIsPresentable {
+ return YES;
+}
+
+@end

Create an example of MDCAppBarContainerViewController usage (#4197)