blob: a68338659ca11454e9ebb6fe077cf38e9cb5e6d2 [file] [log] [blame]
/*
Copyright 2015-present Google Inc. 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 "SpritedAnimationViewTypicalUseViewController.h"
#import "MaterialSpritedAnimationView.h"
static NSString *const kSpriteList = @"sprite_list__grid";
static NSString *const kSpriteGrid = @"sprite_grid__list";
@implementation SpritedAnimationViewTypicalUseViewController {
MDFSpritedAnimationView *_animationView;
BOOL _toggle;
}
// TODO: Support other categorizational methods.
+ (NSArray *)catalogBreadcrumbs {
return @[ @"Sprited Animation View", @"Sprited Animation View" ];
}
+ (NSString *)catalogDescription {
return @"This control provides an alternative to animating an array of images with an"
" UIImageView.";
}
+ (BOOL)catalogIsPrimaryDemo {
return YES;
}
- (void)viewDidLoad {
[super viewDidLoad];
self.view.backgroundColor = [UIColor whiteColor];
NSBundle *bundle = [NSBundle bundleForClass:[self class]];
UIImage *spriteImage =
[UIImage imageNamed:kSpriteList inBundle:bundle compatibleWithTraitCollection:nil];
_animationView = [[MDFSpritedAnimationView alloc] initWithSpriteSheetImage:spriteImage];
_animationView.frame = CGRectMake(0, 0, 30, 30);
_animationView.center = self.view.center;
_animationView.translatesAutoresizingMaskIntoConstraints = NO;
UIColor *blueColor = [UIColor colorWithRed:0.012 green:0.663 blue:0.957 alpha:1];
_animationView.tintColor = blueColor;
[self.view addSubview:_animationView];
// AnimationView Layout Constraints
NSLayoutConstraint *animationViewWidthConstraint =
[NSLayoutConstraint constraintWithItem:_animationView
attribute:NSLayoutAttributeWidth
relatedBy:NSLayoutRelationEqual
toItem:nil
attribute:NSLayoutAttributeNotAnAttribute
multiplier:1.0
constant:30];
animationViewWidthConstraint.active = true;
NSLayoutConstraint *animationViewHeightConstraint =
[NSLayoutConstraint constraintWithItem:_animationView
attribute:NSLayoutAttributeHeight
relatedBy:NSLayoutRelationEqual
toItem:nil
attribute:NSLayoutAttributeNotAnAttribute
multiplier:1.0
constant:30];
animationViewHeightConstraint.active = true;
NSLayoutConstraint *animationViewXConstraint =
[NSLayoutConstraint constraintWithItem:self.view
attribute:NSLayoutAttributeCenterX
relatedBy:NSLayoutRelationEqual
toItem:_animationView
attribute:NSLayoutAttributeCenterX
multiplier:1.0
constant:0.0];
animationViewXConstraint.active = true;
NSLayoutConstraint *animationViewYConstraint =
[NSLayoutConstraint constraintWithItem:self.view
attribute:NSLayoutAttributeCenterY
relatedBy:NSLayoutRelationEqual
toItem:_animationView
attribute:NSLayoutAttributeCenterY
multiplier:1.0
constant:0.0];
animationViewYConstraint.active = true;
// Add label with tap instructions.
UILabel *label = [[UILabel alloc] initWithFrame:CGRectOffset(self.view.bounds, 0, 30)];
label.translatesAutoresizingMaskIntoConstraints = NO;
label.text = @"Tap anywhere to animate icon.";
label.textColor = [UIColor colorWithWhite:0 alpha:0.8];
label.textAlignment = NSTextAlignmentCenter;
[self.view addSubview:label];
// Label Layout Constraints
NSLayoutConstraint *labelWidthConstraint =
[NSLayoutConstraint constraintWithItem:label
attribute:NSLayoutAttributeWidth
relatedBy:NSLayoutRelationEqual
toItem:self.view
attribute:NSLayoutAttributeWidth
multiplier:1.0
constant:0.0];
labelWidthConstraint.active = true;
NSLayoutConstraint *labelHeightConstraint =
[NSLayoutConstraint constraintWithItem:label
attribute:NSLayoutAttributeHeight
relatedBy:NSLayoutRelationEqual
toItem:self.view
attribute:NSLayoutAttributeHeight
multiplier:1.0
constant:0.0];
labelHeightConstraint.active = true;
NSLayoutConstraint *labelXConstraint =
[NSLayoutConstraint constraintWithItem:label
attribute:NSLayoutAttributeCenterX
relatedBy:NSLayoutRelationEqual
toItem:self.view
attribute:NSLayoutAttributeCenterX
multiplier:1.0
constant:0.0];
labelXConstraint.active = true;
NSLayoutConstraint *labelYConstraint =
[NSLayoutConstraint constraintWithItem:label
attribute:NSLayoutAttributeCenterY
relatedBy:NSLayoutRelationEqual
toItem:self.view
attribute:NSLayoutAttributeCenterY
multiplier:1.0
constant:30.0];
labelYConstraint.active = true;
// Add tap gesture to view.
UITapGestureRecognizer *tapGesture =
[[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(didTap:)];
[self.view addGestureRecognizer:tapGesture];
}
- (void)didTap:(UITapGestureRecognizer *)recognizer {
recognizer.enabled = NO;
// Animate the sprited view.
[_animationView startAnimatingWithCompletion:^(BOOL finished) {
// When animation completes, toggle image.
_toggle = !_toggle;
NSBundle *bundle = [NSBundle bundleForClass:[self class]];
UIImage *spriteImage = [UIImage imageNamed:_toggle ? kSpriteGrid : kSpriteList
inBundle:bundle
compatibleWithTraitCollection:nil];
_animationView.spriteSheetImage = spriteImage;
recognizer.enabled = YES;
}];
}
@end