基本上,我的問題是,我試圖通過循環創建UIView的3個實例。我正在使用ARC,而且我真的不知道我想要做什麼是可能的。下面的代碼我目前有:IOS - 通過循環創建新的對象實例與ARC
NSArray* nibViews = [[NSBundle mainBundle] loadNibNamed:@"RoomView"
owner:self
options:nil];
NSMutableArray *roomViews = [[NSMutableArray alloc] initWithCapacity:[gtb.rooms count]];
for (i = 0; i < [gtb.rooms count]; i++)
{
RoomView *rcv = [[RoomView alloc] init];
NSDictionary *room = [gtb.rooms objectAtIndex:i];
rcv = [nibViews objectAtIndex:0];
NSLog(@"Start rcv = %@", rcv);
rcv.roomNumber.text = [NSString stringWithFormat:@"Chambre %d", i + 1];
rcv.roomType.text = [room objectForKey:@"roomType"];
[rcv setFrame:CGRectMake(0, sizeOfContent, rcv.frame.size.width, rcv.frame.size.height)];
sizeOfContent += rcv.frame.size.height;
[roomViews addObject:rcv];
NSLog(@"End rcv = %@", rcv);
}
for (i = 0; i < [gtb.rooms count]; i++)
NSLog(@"Room #%i : %@", i, [roomViews objectAtIndex:i]);
這裏就是我在日誌中:
2012-09-20 10:15:00.287 AppName[2792:707] Start rcv = <RoomView: 0x148570; frame = (0 0; 320 107); autoresize = W+H; layer = <CALayer: 0x148510>>
2012-09-20 10:15:00.289 AppName[2792:707] End rcv = <RoomView: 0x148570; frame = (0 420; 320 107); autoresize = W+H; layer = <CALayer: 0x148510>>
2012-09-20 10:15:00.312 AppName[2792:707] Start rcv = <RoomView: 0x148570; frame = (0 420; 320 107); autoresize = W+H; layer = <CALayer: 0x148510>>
2012-09-20 10:15:00.314 AppName[2792:707] End rcv = <RoomView: 0x148570; frame = (0 527; 320 107); autoresize = W+H; layer = <CALayer: 0x148510>>
2012-09-20 10:15:00.316 AppName[2792:707] Start rcv = <RoomView: 0x148570; frame = (0 527; 320 107); autoresize = W+H; layer = <CALayer: 0x148510>>
2012-09-20 10:15:00.317 AppName[2792:707] End rcv = <RoomView: 0x148570; frame = (0 634; 320 107); autoresize = W+H; layer = <CALayer: 0x148510>>
2012-09-20 10:15:00.319 AppName[2792:707] Room #0 : <RoomView: 0x148570; frame = (0 634; 320 107); autoresize = W+H; layer = <CALayer: 0x148510>>
2012-09-20 10:15:00.323 AppName[2792:707] Room #1 : <RoomView: 0x148570; frame = (0 634; 320 107); autoresize = W+H; layer = <CALayer: 0x148510>>
2012-09-20 10:15:00.325 AppName[2792:707] Room #2 : <RoomView: 0x148570; frame = (0 634; 320 107); autoresize = W+H; layer = <CALayer: 0x148510>>
我知道,如果我不使用ARC,我應該放在類似[rcv autoRelease]
末的循環,但與ARC,我不能。
是否有解決方案來解決它,或者我必須禁用此文件的ARC?
感謝您的幫助!
我沒有看到你在循環中創建任何UIView的實例。當你調用'loadNibNamed:'時顯然創建了這些實例。他們只是從'nibViews'傳遞到'roomViews'。 – ThomasW
我編輯了我的帖子。但是,似乎當我將該對象添加到我的數組中時,所有對象都將使用最後一個對象的屬性。 –
哦,那是因爲你正在調用'[nibViews objectAtIndex:0]'而不是'[nibViews objectAtIndex:i]'。 – ThomasW