-(IBAction)Back:(id)sender{
NSString *path = [NSString stringWithFormat:@"%@%@",
[[NSBundle mainBundle] resourcePath],
@"/Dtmf-star.wav"];
//declare a system sound id
SystemSoundID soundID;
//Get a URL for the sound file
NSURL *filePath = [NSURL fileURLWithPath:path isDirectory:NO];
//Use audio sevices to create the sound
AudioServicesCreateSystemSoundID((CFURLRef)filePath, &soundID);
//Use audio services to play the sound
AudioServicesPlaySystemSound(soundID);
[Buttonback setImage: nil forState:UIControlStateNormal];
int size = [PhoneUrl length];
if (size>0) {
PhoneUrl = [PhoneUrl substringToIndex:size-1];
}
dspText.text = PhoneUrl;
}
这个我done..i我能够删除一个数字,但如果有一个以上的数字应用程序中获取崩溃...... 它在工作正常iOS6的。点击时,在iOS 7我AAP碰撞后退按钮
[没有足够的上下文。](http://apaczai.elte.hu/~13akga/content/emclstcd.php) – 2013-09-25 05:40:30