我有一个方法叫getProjects
. 在我的方法中,我从 json 解析数据。我将项目的name
和保存id
在我的实例变量projectsArray
中,该变量是NSMutableArray
.
问题是我IBAction
调用了一个按钮 ( ) writeFile
,如果我尝试在单击时记录数组,我的应用程序会崩溃。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++;
}
}
我把这个方法称为applicationDidFinishLaunching
- (void)applicationDidFinishLaunching:(NSNotification *)aNotification {
[self getProjects];
NSLog(@"%@", self.projectsArray);
}
我的 applicationDidFinishLaunching 中的日志返回我的数组。