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798f44762d
The typical use example uses an iOS 10-only API and needs to check for the selector to be present. Closes #2355
123 lines
4.4 KiB
Objective-C
123 lines
4.4 KiB
Objective-C
/*
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Copyright 2017-present the Material Components for iOS authors. All Rights Reserved.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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#import <UIKit/UIKit.h>
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#import "BottomNavigationTypicalUseSupplemental.h"
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#import "MaterialBottomNavigation.h"
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#import "MaterialPalettes.h"
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#import "MaterialThemes.h"
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#import "MDCBottomNavigationBarColorThemer.h"
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@interface BottomNavigationTypicalUseExample ()
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@property(nonatomic, assign) int badgeCount;
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@property(nonatomic, strong) MDCBottomNavigationBar *bottomNavBar;
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@end
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@implementation BottomNavigationTypicalUseExample
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- (id)init {
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self = [super init];
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if (self) {
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self.title = @"Bottom Navigation";
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[self commonBottomNavigationTypicalUseExampleInit];
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}
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return self;
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}
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- (void)commonBottomNavigationTypicalUseExampleInit {
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self.view.backgroundColor = [UIColor lightGrayColor];
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_bottomNavBar = [[MDCBottomNavigationBar alloc] initWithFrame:CGRectZero];
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_bottomNavBar.titleVisibility = MDCBottomNavigationBarTitleVisibilitySelected;
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_bottomNavBar.alignment = MDCBottomNavigationBarAlignmentJustified;
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_bottomNavBar.delegate = self;
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[self.view addSubview:_bottomNavBar];
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MDCBasicColorScheme *scheme =
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[[MDCBasicColorScheme alloc] initWithPrimaryColor:[MDCPalette purplePalette].tint700
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secondaryColor:[UIColor whiteColor]];
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[MDCBottomNavigationBarColorThemer applyColorScheme:scheme toBottomNavigationBar:_bottomNavBar];
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UITabBarItem *tabBarItem1 =
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[[UITabBarItem alloc] initWithTitle:@"Home"
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image:[UIImage imageNamed:@"Home"]
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tag:0];
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UITabBarItem *tabBarItem2 =
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[[UITabBarItem alloc] initWithTitle:@"Messages"
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image:[UIImage imageNamed:@"Email"]
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tag:0];
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UITabBarItem *tabBarItem3 =
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[[UITabBarItem alloc] initWithTitle:@"Favorites"
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image:[UIImage imageNamed:@"Favorite"]
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tag:0];
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UITabBarItem *tabBarItem4 =
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[[UITabBarItem alloc] initWithTitle:@"Search"
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image:[UIImage imageNamed:@"Search"]
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tag:0];
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tabBarItem4.badgeValue = @"88";
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UITabBarItem *tabBarItem5 =
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[[UITabBarItem alloc] initWithTitle:@"Birthday"
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image:[UIImage imageNamed:@"Cake"]
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tag:0];
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tabBarItem5.badgeValue = @"999+";
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#if defined(__IPHONE_10_0) && (__IPHONE_OS_VERSION_MAX_ALLOWED >= __IPHONE_10_0)
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#pragma clang diagnostic push
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#pragma clang diagnostic ignored "-Wpartial-availability"
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if ([tabBarItem5 respondsToSelector:@selector(badgeColor)]) {
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tabBarItem5.badgeColor = [MDCPalette cyanPalette].accent700;
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}
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#pragma clang diagnostic pop
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#endif
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_bottomNavBar.items = @[ tabBarItem1, tabBarItem2, tabBarItem3, tabBarItem4, tabBarItem5 ];
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_bottomNavBar.selectedItem = tabBarItem2;
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[self updateBadgeItemCount];
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}
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- (void)viewWillLayoutSubviews {
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CGSize size = [_bottomNavBar sizeThatFits:self.view.bounds.size];
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CGRect bottomNavBarFrame = CGRectMake(0,
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CGRectGetHeight(self.view.bounds) - size.height,
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size.width,
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size.height);
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_bottomNavBar.frame = bottomNavBarFrame;
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}
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- (void)updateBadgeItemCount {
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// Example of badge with increasing count.
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if (!self.badgeCount) {
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self.badgeCount = 0;
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}
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self.badgeCount++;
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self.bottomNavBar.items[1].badgeValue = [NSNumber numberWithInt:self.badgeCount].stringValue;
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dispatch_after(dispatch_time(DISPATCH_TIME_NOW, 1 * NSEC_PER_SEC), dispatch_get_main_queue(), ^{
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[self updateBadgeItemCount];
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});
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}
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#pragma mark - MDCBottomNavigationBarDelegate
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- (void)bottomNavigationBar:(nonnull MDCBottomNavigationBar *)bottomNavigationBar
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didSelectItem:(nonnull UITabBarItem *)item {
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NSLog(@"Selected Item: %@", item.title);
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}
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@end
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