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我有一个方法getProjects
。在我的方法中,我从json解析数据。我在我的实例变量projectsArray
中保存项目的name
和id
,这是NSMutableArray
。可可 - 无法访问按钮上的实例变量点击
问题是我有一个名为writeFile
的按钮(IBAction
),如果我尝试单击时记录数组,我的应用程序崩溃。错误消息是ESC_BAD_ACCESS
。但为什么?我正在使用ARC。 `Method getProjects
- (void)getProjects {
int count = 0;
self.projectsArray = [NSMutableArray arrayWithCapacity:10];
SBJsonParser *parser = [[SBJsonParser alloc] init];
NSURLRequest *request = [NSURLRequest requestWithURL:[NSURL URLWithString:[NSString stringWithFormat:@"%@projects.json", urlPath]]];
NSData *response = [NSURLConnection sendSynchronousRequest:request returningResponse:nil error:nil];
NSString *json_string = [[NSString alloc] initWithData:response encoding:NSUTF8StringEncoding];
NSArray *projects = [parser objectWithString:json_string error:nil];
for (NSDictionary *project in projects) {
NSMutableDictionary *dict = [NSMutableDictionary dictionaryWithCapacity:2];
[dict setObject:[project objectForKey:@"name"] forKey:@"name"];
[dict setObject:[project objectForKey:@"id"] forKey:@"id"];
[self.projectsArray insertObject:dict atIndex:count];
[self.selectProject addItemWithTitle:[project objectForKey:@"name"]];
count++;
}
}
我呼吁我的applicationDidFinishLaunching在applicationDidFinishLaunching
- (void)applicationDidFinishLaunching:(NSNotification *)aNotification {
[self getProjects];
NSLog(@"%@", self.projectsArray);
}
日志的方法返回我的数组。
“ESC_BAD_ACCES” - 我不知道这样的错误信息。 (提示:ortography) – 2012-08-04 14:14:48
“writeFile”是什么类,如果它不是应用程序委托,那么运行该方法的对象如何获取对项目数组的引用? – 2012-08-04 14:17:33
该属性被声明为assign并且writeFile正在运行appDelegate。对不起,我的意思是“EXC_BAD_ACCESS”。 – emha 2012-08-04 14:24:06