mirror of
https://github.com/material-components/material-components-ios.git
synced 2026-02-20 08:27:32 +08:00
e03186525d
In order to make the internal build systems happier, @import statements should not be used.
132 lines
5.1 KiB
Objective-C
132 lines
5.1 KiB
Objective-C
/*
|
|
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 "supplemental/TabBarIconExampleSupplemental.h"
|
|
|
|
#import "MaterialAppBar.h"
|
|
#import "MaterialPalettes.h"
|
|
#import "MaterialTabs.h"
|
|
|
|
@implementation TabBarIconExample
|
|
|
|
- (void)viewDidLoad {
|
|
[super viewDidLoad];
|
|
|
|
[self setupExampleViews];
|
|
|
|
[self loadTabBar];
|
|
}
|
|
|
|
#pragma mark - Action
|
|
|
|
- (void)incrementDidTouch:(id)sender {
|
|
[self incrementStarBadge];
|
|
|
|
[self addStarCentered:NO];
|
|
}
|
|
|
|
- (void)incrementStarBadge {
|
|
// Increment numeric badge value.
|
|
UITabBarItem *starItem = self.tabBar.items[1];
|
|
NSString *badgeValue = starItem.badgeValue;
|
|
if (badgeValue) {
|
|
NSInteger badgeNumber = badgeValue.integerValue;
|
|
if (badgeNumber > 0) {
|
|
// Update badge value directly - the cell should update immediately.
|
|
starItem.badgeValue = [NSNumberFormatter localizedStringFromNumber:@(badgeNumber + 1)
|
|
numberStyle:NSNumberFormatterNoStyle];
|
|
}
|
|
}
|
|
}
|
|
|
|
#pragma mark - Private
|
|
|
|
- (void)loadTabBar {
|
|
MDCTabBar *tabBar = [[MDCTabBar alloc] init];
|
|
tabBar.delegate = self;
|
|
tabBar.alignment = MDCTabBarAlignmentCenterSelected;
|
|
|
|
NSBundle *bundle = [NSBundle bundleForClass:[TabBarIconExample class]];
|
|
UIImage *infoImage =
|
|
[UIImage imageNamed:@"TabBarDemo_ic_info" inBundle:bundle compatibleWithTraitCollection:nil];
|
|
UIImage *starImage =
|
|
[UIImage imageNamed:@"TabBarDemo_ic_star" inBundle:bundle compatibleWithTraitCollection:nil];
|
|
tabBar.items = @[
|
|
[[UITabBarItem alloc] initWithTitle:@"Info" image:infoImage tag:0],
|
|
[[UITabBarItem alloc] initWithTitle:@"Stars" image:starImage tag:0]
|
|
];
|
|
|
|
// Give the second item a badge
|
|
[tabBar.items[1] setBadgeValue:@"1"];
|
|
|
|
UIColor *green = [UIColor colorWithRed:11/255.0f green:232/255.0f blue:94/255.0f alpha:1];
|
|
|
|
tabBar.barTintColor = [UIColor colorWithWhite:0.1f alpha:1.0f];
|
|
tabBar.tintColor = green;
|
|
tabBar.inkColor = [[UIColor whiteColor] colorWithAlphaComponent:0.1f];
|
|
tabBar.selectedItemTintColor = [[UIColor whiteColor] colorWithAlphaComponent:.87f];
|
|
tabBar.unselectedItemTintColor = [[UIColor whiteColor] colorWithAlphaComponent:.38f];
|
|
tabBar.itemAppearance = MDCTabBarItemAppearanceTitledImages;
|
|
|
|
self.tabBar = tabBar;
|
|
self.appBar.headerStackView.bottomBar = self.tabBar;
|
|
[self.appBar.headerStackView setNeedsLayout];
|
|
}
|
|
|
|
- (void)changeAlignment:(id)sender {
|
|
UIAlertController *sheet =
|
|
[UIAlertController alertControllerWithTitle:nil
|
|
message:nil
|
|
preferredStyle:UIAlertControllerStyleActionSheet];
|
|
[sheet addAction:[UIAlertAction actionWithTitle:@"Leading"
|
|
style:UIAlertActionStyleDefault
|
|
handler:^(UIAlertAction *_Nonnull action) {
|
|
[self setAlignment:MDCTabBarAlignmentLeading];
|
|
}]];
|
|
[sheet addAction:[UIAlertAction actionWithTitle:@"Center"
|
|
style:UIAlertActionStyleDefault
|
|
handler:^(UIAlertAction *_Nonnull action) {
|
|
[self setAlignment:MDCTabBarAlignmentCenter];
|
|
}]];
|
|
[sheet addAction:[UIAlertAction actionWithTitle:@"Justified"
|
|
style:UIAlertActionStyleDefault
|
|
handler:^(UIAlertAction *_Nonnull action) {
|
|
[self setAlignment:MDCTabBarAlignmentJustified];
|
|
}]];
|
|
[sheet addAction:[UIAlertAction actionWithTitle:@"Selected Center"
|
|
style:UIAlertActionStyleDefault
|
|
handler:^(UIAlertAction *_Nonnull action) {
|
|
[self setAlignment:MDCTabBarAlignmentCenterSelected];
|
|
}]];
|
|
[self presentViewController:sheet animated:YES completion:nil];
|
|
}
|
|
|
|
- (void)setAlignment:(MDCTabBarAlignment)alignment {
|
|
[self.tabBar setAlignment:alignment animated:YES];
|
|
}
|
|
|
|
#pragma mark - MDCTabBarDelegate
|
|
|
|
- (void)tabBar:(MDCTabBar *)tabBar didSelectItem:(UITabBarItem *)item {
|
|
NSUInteger index = [tabBar.items indexOfObject:item];
|
|
NSAssert(index != NSNotFound, @"The MDCTabBar does not contain the expected UITabBarItem.");
|
|
|
|
[self.scrollView setContentOffset:CGPointMake(index * CGRectGetWidth(self.view.bounds), 0)
|
|
animated:YES];
|
|
}
|
|
|
|
@end
|