/
ButtonBarIconExample.m
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/
ButtonBarIconExample.m
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// 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 <UIKit/UIKit.h>
#import "MaterialButtonBar.h"
#import "MaterialIcons+ic_check_circle.h"
#import "MaterialIcons+ic_info.h"
#import "MaterialPalettes.h"
@interface ButtonBarIconExample : UIViewController
@end
@implementation ButtonBarIconExample
- (void)viewDidLoad {
[super viewDidLoad];
MDCButtonBar *buttonBar = [[MDCButtonBar alloc] init];
buttonBar.tintColor = MDCPalette.indigoPalette.tint500;
// MDCButtonBar ignores the style of UIBarButtonItem.
UIBarButtonItemStyle ignored = UIBarButtonItemStyleDone;
UIBarButtonItem *actionItem = [[UIBarButtonItem alloc]
initWithImage:[[MDCIcons imageFor_ic_info]
imageWithRenderingMode:UIImageRenderingModeAlwaysTemplate]
style:ignored
target:self
action:@selector(didTapActionButton:)];
UIBarButtonItem *secondActionItem = [[UIBarButtonItem alloc]
initWithImage:[[MDCIcons imageFor_ic_check_circle]
imageWithRenderingMode:UIImageRenderingModeAlwaysTemplate]
style:ignored
target:self
action:@selector(didTapActionButton:)];
NSArray *items = @[ actionItem, secondActionItem ];
// Set the title text attributes before assigning to buttonBar.items
// because of https://github.com/material-components/material-components-ios/issues/277
for (UIBarButtonItem *item in items) {
[item setTitleTextAttributes:@{NSForegroundColorAttributeName : [UIColor whiteColor]}
forState:UIControlStateNormal];
}
buttonBar.items = items;
// MDCButtonBar's sizeThatFits gives a "best-fit" size of the provided items.
CGSize size = [buttonBar sizeThatFits:self.view.bounds.size];
CGFloat x = (self.view.bounds.size.width - size.width) / 2;
CGFloat y = self.view.bounds.size.height / 2 - size.height;
buttonBar.frame = CGRectMake(x, y, size.width, size.height);
buttonBar.autoresizingMask =
(UIViewAutoresizingFlexibleTopMargin | UIViewAutoresizingFlexibleBottomMargin |
UIViewAutoresizingFlexibleLeftMargin | UIViewAutoresizingFlexibleRightMargin);
[self.view addSubview:buttonBar];
// Ensure that the controller's view isn't transparent.
self.view.backgroundColor = [UIColor colorWithWhite:(CGFloat)0.9 alpha:1];
}
#pragma mark - User actions
- (void)didTapActionButton:(id)sender {
NSLog(@"Did tap action item: %@", sender);
}
@end
@implementation ButtonBarIconExample (CatalogByConvention)
+ (NSDictionary *)catalogMetadata {
return @{
@"breadcrumbs" : @[ @"Button Bar", @"Button Bar (Icons)" ],
@"primaryDemo" : @NO,
@"presentable" : @NO,
};
}
@end
#pragma mark - Typical application code (not Material-specific)
@implementation ButtonBarIconExample (GeneralApplicationLogic)
- (id)init {
self = [super init];
if (self) {
self.title = @"Button Bar Icons";
}
return self;
}
@end