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在我的应用程序中，我使用 3 个不同的 plist。其中两个工作正常，但是当我尝试访问第三个时，它在 ipad 上崩溃。在模拟器中工作正常。

这是我用来访问我的 plist 的代码

NSError *error;
NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);

NSString *documentsDirectory = [paths objectAtIndex:0];
self.path = [documentsDirectory stringByAppendingPathComponent:@"profiles.plist"];
self.path2 = [documentsDirectory stringByAppendingPathComponent:@"services.plist"];

NSFileManager *fileManager = [NSFileManager defaultManager];

if (![fileManager fileExistsAtPath:path])
{
    NSString *bundle = [[NSBundle mainBundle] pathForResource:@"profiles" ofType:@"plist"];
    [fileManager copyItemAtPath:bundle toPath:path error:&error];
}

if (![fileManager fileExistsAtPath:path2])
{
    NSString *bundle = [[NSBundle mainBundle] pathForResource:@"services" ofType:@"plist"];
    [fileManager copyItemAtPath:bundle toPath:path2 error:&error];
}

当我去给它写信时

NSString *pName = profileName;
[self dismissModalViewControllerAnimated:YES];

NSMutableArray *profilesArr = [[[NSMutableArray alloc] initWithContentsOfFile:path]autorelease];
NSMutableDictionary *tempDict = [[[NSMutableDictionary alloc] init ]autorelease] ;

NSMutableArray *tempArr = [[[NSMutableArray alloc] init]autorelease];

for (int i = 0; i < [self.visibleLegend count]; i++)
{
    NSMutableDictionary *legendDict = [[[NSMutableDictionary alloc] init]autorelease];
    AGSLayerDefinition *layer = [self.visibleLegend objectAtIndex:i];
    NSString *layerDef = layer.definition;
    NSString *layerId = [NSString stringWithFormat:@"%d", layer.layerId];
    NSLog(@"save ID %@, save DEF %@", layerId, layerDef);

    [legendDict setObject:layerId forKey:@"layerID"];
    [legendDict setObject:layerDef forKey:@"layerDEF"];

    [tempArr addObject:legendDict];
}

NSString *dynamicURL = [self findServiceName:[self.dynamicLayer.URL absoluteString]];
NSString *tiledURL = [self findServiceName:[self.tiledLayer.URL absoluteString]];

[tempDict setObject:pName forKey:@"profileName"];
[tempDict setObject:dynamicURL forKey:@"dynamicLayer"];
[tempDict setObject:tiledURL forKey:@"backgroundLayer"];
[tempDict setObject:tempArr forKey:@"visibleLegend"];

[profilesArr addObject:tempDict];
if ([profilesArr containsObject:tempDict])
    NSLog(@"added");
if ([profilesArr writeToFile:path atomically:NO])
    NSLog(@"new saved");

存储在 path 中的 plist 是唯一一个似乎在 iPad 上崩溃的 plist。我不知道出了什么问题。调试只是显示对汇编语言代码行的错误访问。

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1 回答 1

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通过打开弧模式并删除我的对象上的所有自动释放命令来修复它。似乎我的 plist 数组正在自行释放并导致 ipad 出现问题。

于 2012-10-04T19:35:27.427 回答