ピアノのサンプルコード
②出したい音のファイルをドラッグして入れておく
ViewController.hに記述
#import <UIKit/UIKit.h>
#import <AVFoundation/AVFoundation.h>
@interface ViewController : UIViewController
{
AVAudioPlayer *_player[13];
}
@end
ViewController.mに記述
#import "ViewController.h"
#define BTN_DO 0
#define BTN_RE 1
#define BTN_MI 2
#define BTN_FA 3
#define BTN_SO 4
#define BTN_RA 5
#define BTN_SHI 6
#define BTN_DO_2 7
#define BTN_DO_1 8
#define BTN_RE_2 9
#define BTN_FA_3 10
#define BTN_SO_4 11
#define BTN_RA_5 12
@interfaceViewController ()
@end
@implementation ViewController
//テキストボタンの生成
- (UIButton*)makeButton:(CGRect)rect text:(NSString*)text tag:(int)tag
{
UIButton *button = [UIButtonbuttonWithType:UIButtonTypeRoundedRect];
[button setTitle:text forState:UIControlStateNormal];
[button setFrame:rect];
[button setTag:tag];
[button addTarget:selfaction:@selector(clickButton:) forControlEvents:UIControlEventTouchDown];
return button;
}
//テキストボタンの生成
- (UIButton*)makeButton2:(CGRect)rect text:(NSString*)text tag:(int)tag
{
UIButton *button = [UIButtonbuttonWithType:UIButtonTypeCustom];
[button setTitle:text forState:UIControlStateNormal];
[button setFrame:rect];
[button setTag:tag];
[button addTarget:selfaction:@selector(clickButton:) forControlEvents:UIControlEventTouchDown];
return button;
}
//オーディオプレーヤーの再生
- (AVAudioPlayer*)makeAudioPlayer:(NSString*)res
{
//リソースのURLの再生
NSString *path = [[NSBundlemainBundle] pathForResource:res ofType:@""];
NSURL *url = [NSURL fileURLWithPath:path];
//オーディオプレーヤーの生成
return [[[AVAudioPlayeralloc] initWithContentsOfURL:url error:NULL] autorelease];
}
- (void)viewDidLoad
{
[superviewDidLoad];
// Do any additional setup after loading the view, typically from a nib.
//ド
UIButton *btn_do = [self makeButton:CGRectMake(0,45,60,240) text:@"ド" tag:BTN_DO];
[self.view addSubview:btn_do];
//レ
UIButton *btn_re = [self makeButton:CGRectMake(60,45,60,240) text:@"レ" tag:BTN_RE];
[self.view addSubview:btn_re];
//ミ
UIButton *btn_mi = [self makeButton:CGRectMake(120,45,60,240) text:@"ミ" tag:BTN_MI];
[self.view addSubview:btn_mi];
//ファ
UIButton *btn_fa = [self makeButton:CGRectMake(180,45,60,240) text:@"ファ" tag:BTN_FA];
[self.view addSubview:btn_fa];
//ソ
UIButton *btn_so = [self makeButton:CGRectMake(240,45,60,240) text:@"ソ" tag:BTN_SO];
[self.view addSubview:btn_so];
//ラ
UIButton *btn_ra = [self makeButton:CGRectMake(300,45,60,240) text:@"ラ" tag:BTN_RA];
[self.view addSubview:btn_ra];
//シ
UIButton *btn_shi = [self makeButton:CGRectMake(360,45,60,240) text:@"シ" tag:BTN_SHI];
[self.view addSubview:btn_shi];
//ド２
UIButton *btn_do2 = [self makeButton:CGRectMake(420,45,60,240) text:@"ド" tag:BTN_DO_2];
[self.view addSubview:btn_do2];
//ド#
UIButton *btn_do_1 = [self makeButton2:CGRectMake(40,45,40,150) text:@"ド#" tag:BTN_DO_1];
btn_do_1.backgroundColor = [UIColorblackColor];
btn_do_1.titleLabel.textColor = [UIColorwhiteColor];
btn_do_1.showsTouchWhenHighlighted = YES;//押した感じをだす 白丸がでる
btn_do_1.titleLabel.font = [UIFont systemFontOfSize:14];
[self.view addSubview:btn_do_1];
//レ#
UIButton *btn_re_2 = [self makeButton2:CGRectMake(100,45,40,150) text:@"レ#" tag:BTN_RE_2];
btn_re_2.backgroundColor = [UIColorblackColor];
btn_re_2.titleLabel.textColor = [UIColorwhiteColor];
btn_re_2.showsTouchWhenHighlighted = YES;
btn_re_2.titleLabel.font = [UIFont systemFontOfSize:14];
[self.view addSubview:btn_re_2];
//ファ#
UIButton *btn_fa_3 = [self makeButton2:CGRectMake(220,45,40,150) text:@"ファ#" tag:BTN_FA_3];
btn_fa_3.backgroundColor = [UIColorblackColor];
btn_fa_3.titleLabel.textColor = [UIColorwhiteColor];
btn_fa_3.showsTouchWhenHighlighted = YES;
btn_fa_3.titleLabel.font = [UIFont systemFontOfSize:14];
[self.view addSubview:btn_fa_3];
//ソ#
UIButton *btn_so_4 = [self makeButton2:CGRectMake(280,45,40,150) text:@"ソ#" tag:BTN_SO_4];
btn_so_4.backgroundColor = [UIColorblackColor];
btn_so_4.titleLabel.textColor = [UIColorwhiteColor];
btn_so_4.showsTouchWhenHighlighted = YES;
btn_so_4.titleLabel.font = [UIFont systemFontOfSize:14];
[self.view addSubview:btn_so_4];
//ラ#
UIButton *btn_ra_5 = [self makeButton2:CGRectMake(340,45,40,150) text:@"ラ#" tag:BTN_RA_5];
btn_ra_5.backgroundColor = [UIColorblackColor];
btn_ra_5.titleLabel.textColor = [UIColorwhiteColor];
btn_ra_5.showsTouchWhenHighlighted = YES;
btn_ra_5.titleLabel.font = [UIFont systemFontOfSize:14];
[self.view addSubview:btn_ra_5];
UIView *blackView = [[[UIViewalloc] initWithFrame:CGRectMake(0,0,500,50)] autorelease];
blackView.backgroundColor = [UIColorblackColor];
[self.view addSubview:blackView];
//プレーヤーの生成
_player[0] = [[self makeAudioPlayer:@"do.wav"] retain];
_player[1] = [[self makeAudioPlayer:@"re.wav"] retain];
_player[2] = [[self makeAudioPlayer:@"mi.wav"] retain];
_player[3] = [[self makeAudioPlayer:@"fa.wav"] retain];
_player[4] = [[self makeAudioPlayer:@"so.wav"] retain];
_player[5] = [[self makeAudioPlayer:@"ra.wav"] retain];
_player[6] = [[self makeAudioPlayer:@"si.wav"] retain];
_player[7] = [[self makeAudioPlayer:@"do2.wav"] retain];
_player[8] = [[self makeAudioPlayer:@"9do#.m4a"] retain];
_player[9] = [[self makeAudioPlayer:@"10re#.m4a"] retain];
_player[10] = [[self makeAudioPlayer:@"11fa#.m4a"] retain];
_player[11] = [[self makeAudioPlayer:@"12so#.m4a"] retain];
_player[12] = [[self makeAudioPlayer:@"13ra#.m4a"] retain];
}
//メモリ解放
- (void)dealloc
{
[_player[0] release];
[_player[1] release];
[_player[2] release];
[_player[3] release];
[_player[4] release];
[_player[5] release];
[_player[6] release];
[_player[7] release];
[_player[8] release];
[_player[9] release];
[_player[10] release];
[_player[11] release];
[_player[12] release];
[super dealloc];
}
//ボタンクリック時のイベント処理
- (IBAction)clickButton:(UIButton*)sender
{
if ( [sender tag] == BTN_DO ) {
if (_player[0].playing) {
_player[0].currentTime = 0;
} else {
[_player[0] play];
}
} else if ( [sender tag] == BTN_RE ) {
if (_player[1].playing) {
_player[1].currentTime = 0;
} else {
[_player[1] play];
}
} else if ( [sender tag] == BTN_MI ) {
if (_player[2].playing) {
_player[2].currentTime = 0;
} else {
[_player[2] play];
}
} else if ( [sender tag] == BTN_FA ) {
if (_player[3].playing) {
_player[3].currentTime = 0;
} else {
[_player[3] play];
}
} else if ( [sender tag] == BTN_SO ) {
if (_player[4].playing) {
_player[4].currentTime = 0;
} else {
[_player[4] play];
}
} else if ( [sender tag] == BTN_RA ) {
if (_player[5].playing) {
_player[5].currentTime = 0;
} else {
[_player[5] play];
}
} else if ( [sender tag] == BTN_SHI ) {
if (_player[6].playing) {
_player[6].currentTime = 0;
} else {
[_player[6] play];
}
} else if ( [sender tag] == BTN_DO_2 ) {
if (_player[7].playing) {
_player[7].currentTime = 0;
} else {
[_player[7] play];
}
} else if ( [sender tag] == BTN_DO_1 ) {
if (_player[8].playing) {
_player[8].currentTime = 0;
} else {
[_player[8] play];
}
} else if ( [sender tag] == BTN_RE_2 ) {
if (_player[9].playing) {
_player[9].currentTime = 0;
} else {
[_player[9] play];
}
} else if ( [sender tag] == BTN_FA_3 ) {
if (_player[10].playing) {
_player[10].currentTime = 0;
} else {
[_player[10] play];
}
} else if ( [sender tag] == BTN_SO_4 ) {
if (_player[11].playing) {
_player[11].currentTime = 0;
} else {
[_player[11] play];
}
} else if ( [sender tag] == BTN_RA_5 ) {
if (_player[12].playing) {
_player[12].currentTime = 0;
} else {
[_player[12] play];
}
}
}
- (void)didReceiveMemoryWarning
{
[superdidReceiveMemoryWarning];
// Dispose of any resources that can be recreated.
}
@end
