タップでいないいないばぁ。という感じのシンプルなiPhoneアプリのサンプルを描いてみます。
動作イメージ
XcodeからiOS7 iPhone Simulatorで動かすとこんな感じになります
サンプルコード
#import “ViewController.h”
@interface ViewController ()
@property (strong, nonatomic) UIImageView *face;
@property (strong, nonatomic) UIImageView *handR;
@property (strong, nonatomic) UIImageView *handL;
@property (strong, nonatomic) UIImage *smile;
@property (strong, nonatomic) UIImage *hoho;
@property (strong, nonatomic) UIImage *cry;
@property (strong, nonatomic) UILabel *label;
@end
@implementation ViewController
– (void)viewDidLoad
{
[super viewDidLoad];
self.view.backgroundColor = [UIColor greenColor];
[self createFace];
[self createHands];
[self createLabel];
}
– (void)createFace
{
UIImage *image = [UIImage imageNamed:@”peekaboo_face”];
self.face = [[UIImageView alloc] initWithImage:image];
self.face.frame = CGRectMake(30, 100, 250, 250);
[self.view addSubview:self.face];
}
– (void)createHands
{
UIImage *imageR = [UIImage imageNamed:@”peekaboo_handR”];
self.handR = [[UIImageView alloc] initWithImage:imageR];
self.handR.frame = CGRectMake(0, 0, 180, 180);
[self.view addSubview:self.handR];
self.handR.layer.anchorPoint = CGPointMake(0, 1.0);
self.handR.layer.position = CGPointMake(0, 350);
UIImage *imageL = [UIImage imageNamed:@”peekaboo_handL”];
self.handL = [[UIImageView alloc] initWithImage:imageL];
self.handL.frame = CGRectMake(0, 0, 180, 180);
[self.view addSubview:self.handL];
self.handL.layer.anchorPoint = CGPointMake(1.0, 1.0);
self.handL.layer.position = CGPointMake(320, 350);
}
– (void)createLabel
{
self.label = [[UILabel alloc] initWithFrame:CGRectMake(50, 400, 220, 40)];
self.label.backgroundColor = [UIColor brownColor];
self.label.text = @”いない,いな~い“;
self.label.textColor = [UIColor whiteColor];
self.label.font = [UIFont systemFontOfSize:25];
self.label.textAlignment = NSTextAlignmentCenter;
[self.view addSubview:self.label];
}
– (void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event
{
NSArray *faceTypes = @[
[UIImage imageNamed:@”peekaboo_smile”],
[UIImage imageNamed:@”peekaboo_hoho”],
[UIImage imageNamed:@”peekaboo_cry”]
];
UIImageView *faceType = [[UIImageView alloc] initWithImage:faceTypes[arc4random()%3]];
faceType.frame = CGRectMake(0, 0, 130, 130);
faceType.center = CGPointMake(CGRectGetMidX(self.face.bounds), CGRectGetMidY(self.face.bounds) + 30);
[self.face.subviews enumerateObjectsUsingBlock:^(id obj, NSUInteger idx, BOOL *stop) {
[obj removeFromSuperview];
}];
[self.face addSubview:faceType];
self.label.text = @”ばぁ！“;
[UIView animateWithDuration:0.3 animations:^{
self.handR.transform = CGAffineTransformMakeRotation(-M_PI/3.0);
self.handL.transform = CGAffineTransformMakeRotation(M_PI/3.0);
} completion:^(BOOL finished) {
[UIView animateWithDuration:1.5 animations:^{
self.handR.transform = CGAffineTransformIdentity;
self.handL.transform = CGAffineTransformIdentity;
} completion:^(BOOL finished) {
self.label.text = @”いない,いな~い“;
}];
}];
}
– (void)didReceiveMemoryWarning
{
[super didReceiveMemoryWarning];
// Dispose of any resources that can be recreated.
}
@end