对 Objective C 有帮助吗？我的应用程序总是崩溃？
我正在为 Iphone/Itouch 创建一个应用程序，但我不断遇到几个重大漏洞，导致应用程序崩溃。在我的游戏中，当我按下播放键（从主屏幕）时，它会转到另一个包含该游戏的页面。但是，在它出现后，在控制台中我收到一条警告：内存级别=1。可能发生什么情况？这是我的 ViewDidLoad 方法：
-(void)viewDidLoad {
[super viewDidLoad];
array = [[NSMutableArray alloc] initWithCapacity:100];
bulletArray = [[NSMutableArray alloc] initWithCapacity:100];
pos = CGPointMake(0.0,-5.0);
NSString *path = [[NSBundle mainBundle] pathForResource:@"GloriousMorning" ofType:@"mp3"];
AVAudioPlayer *theAudio=[[AVAudioPlayer alloc] initWithContentsOfURL:[NSURL fileURLWithPath:path] error:NULL];
//float effects_Volume = [[NSUserDefaults standardUserDefaults] floatForKey:@"effectsVolume"];
//theAudio.volume = effects_Volume;
[theAudio play];
}
另外，第二个问题，由于我的游戏是射击游戏，用户按下了标题为“Fire”的按钮。但是，每次我在设备上测试我的应用程序时，当我按下启动按钮时它就会崩溃。这是我的点火按钮代码。
-(IBAction)Fire {
NSString *path = [[NSBundle mainBundle] pathForResource:@"gunShot" ofType:@"mp3"];
AVAudioPlayer *theAudio=[[AVAudioPlayer alloc] initWithContentsOfURL:[NSURL fileURLWithPath:path] error:NULL];
//float effects_Volume = [[NSUserDefaults standardUserDefaults] floatForKey:@"effectsVolume"];
//theAudio.volume = effects_Volume;
[theAudio play];
//IBOutlet UIImageView *newBullet = [[UIImageView alloc] initWithImage:[UIImage imageNamed:@"Bullet.png"]];
UIImageView *newBullet = [[UIImageView alloc] initWithImage:[UIImage imageNamed:@"Bullet.png"]];
newBullet.frame = CGRectMake(0, 0, 10.0, 10.0);
newBullet.center = CGPointMake(239.0, 236.0);
[bulletArray addObject:newBullet];
[self.view addSubview:newBullet];
首先
，我创建一个声音。然后，我将一颗子弹放在枪当前所在的位置，并将其添加到一个数组中，以便每隔 0.01 秒，在另一段代码中，我可以遍历该数组并检查每颗子弹以检测碰撞。
请告诉我我做错了什么。谢谢！！！
当我单击导致应用程序崩溃的 Fire 按钮时出现的错误是这样的：
GDB: Data Formatters暂时不可用，将在“继续”后重试（加载共享库时出现未知错误“
而且我认为当我尝试时我正在造成巨大的泄漏播放音频，至少有人告诉我（如果是这样，请告诉我如何解决）。
I am creating an app for the Iphone/Itouch, but I keep on running into a couple of major leaks that just crash the app. In my game, right when I press play (from the home screen)It goes to another page that has the game on it. But, right after it appears, ind the console I get a Warning: Memory level=1. What could be happening? Here is my ViewDidLoad Method:
-(void)viewDidLoad {
[super viewDidLoad];
array = [[NSMutableArray alloc] initWithCapacity:100];
bulletArray = [[NSMutableArray alloc] initWithCapacity:100];
pos = CGPointMake(0.0,-5.0);
NSString *path = [[NSBundle mainBundle] pathForResource:@"GloriousMorning" ofType:@"mp3"];
AVAudioPlayer *theAudio=[[AVAudioPlayer alloc] initWithContentsOfURL:[NSURL fileURLWithPath:path] error:NULL];
//float effects_Volume = [[NSUserDefaults standardUserDefaults] floatForKey:@"effectsVolume"];
//theAudio.volume = effects_Volume;
[theAudio play];
}
And also, a second question, since my game is a shooting game, the user presses a button titled "Fire". But, every time I test my app on a device, It crashes when I press the fire button. Here is my code for the fire button.
-(IBAction)Fire {
NSString *path = [[NSBundle mainBundle] pathForResource:@"gunShot" ofType:@"mp3"];
AVAudioPlayer *theAudio=[[AVAudioPlayer alloc] initWithContentsOfURL:[NSURL fileURLWithPath:path] error:NULL];
//float effects_Volume = [[NSUserDefaults standardUserDefaults] floatForKey:@"effectsVolume"];
//theAudio.volume = effects_Volume;
[theAudio play];
//IBOutlet UIImageView *newBullet = [[UIImageView alloc] initWithImage:[UIImage imageNamed:@"Bullet.png"]];
UIImageView *newBullet = [[UIImageView alloc] initWithImage:[UIImage imageNamed:@"Bullet.png"]];
newBullet.frame = CGRectMake(0, 0, 10.0, 10.0);
newBullet.center = CGPointMake(239.0, 236.0);
[bulletArray addObject:newBullet];
[self.view addSubview:newBullet];
}
First, I create a sound. Then, I place a bullet right where the gun is currently located, and add it to an array so that every .01 of a second, in another bit of code, I can run through the array and check every bullet to detect collision.
Please tell me what I am doing wrong. Thanks!!!
The error when I click the Fire Button that makes the app crash is this:
GDB: Data Formatters temporarily unavailable, will retry after a 'continue'(unknown error loading shared library "
And Also I think I am making a huge leak when I try to play the audio, at least that's what someone told me. (If that is the case, please tell me how to fix it)
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您分配了音频，因此需要在完成后释放它。将其设为 ivar 可能会更好，这样您就不必在每次按下启动按钮时设置和拆除音频。
You alloc'd theAudio so you need to release it when you are done. Might be better to make that a ivar so you don't have to set up and tear down the audio every time they press the fire button.