我有一个带有图像的应用程序,一旦用户按下图像,就会播放声音剪辑。一旦我到达最后一张没有声音剪辑的图像(25),如果我按下应用程序自动关闭,我该如何防止这种情况发生。
例如,一旦用户单击 01.Png,我需要播放 C01.mp3 (注意我的所有图像也保存在图像数组中)基本上我有 25.png 这只是我网站的广告,所以它不会有声音剪辑,但是一旦我单击该图像,应用程序就会自动关闭。需要帮助来解决这个问题。
//
#import "SoundsGenerator.h"
@implementation SoundsGenerator
- (id) init
{
CFBundleRef mainBundle;
mainBundle = CFBundleGetMainBundle ();
soundObjects=[[NSMutableArray alloc] init];
NSMutableArray *soundNames = [[NSMutableArray alloc] initWithObjects:@"c1",
@"c2",
@"c3",
@"c4",
@"c5",
@"c6",
@"c7",
@"c8",
@"c9",
@"c10",
@"c11",
@"c12",
@"c13",
@"c14",
@"c15",
@"c16",
@"c17",
@"c18",
@"c19",
@"c20",
@"c21",
@"c22",
@"c23",
@"c24",nil];
for(NSString *soundName in soundNames)
{
CFBundleRef mainBundle = CFBundleGetMainBundle();
CFURLRef soundFileURLRef;
soundFileURLRef = CFBundleCopyResourceURL(mainBundle, (__bridge CFStringRef)soundName, CFSTR ("mp3"), NULL);
SystemSoundID soundFileObject;
// Create a system sound object representing the sound file
AudioServicesCreateSystemSoundID (soundFileURLRef, &soundFileObject);
SoundObject *objSound=[[SoundObject alloc] init];
objSound.soundFileObject=soundFileObject;
objSound.soundFileURLRef=soundFileURLRef;
[soundObjects addObject:objSound];
}
return self;
}
// Respond to a tap on the System Sound button
- (void) playSound:(int)index
{
SoundObject *soundObject=[soundObjects objectAtIndex:index];
AudioServicesPlaySystemSound ((SystemSoundID)soundObject.soundFileObject);
}
@end