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我想使用 kal 日历框架。但我不知道如何将其实现到标签栏应用程序中。当我查看如何初始化 kalViewController 的演示时,它看起来像这样。
-(void)viewDidLoad{
KalViewController *calendar = [[KalViewController alloc] init];
[self.navigationController pushViewController:calendar animated:YES];
}
这行得通,但它转到了另一个 View 。我希望使用 Storyboard在同一 View 中显示它。
最佳答案
我检查了 KalViewController 类。它没有 initWithCoder:
实现,如果从 nibs/storyboards 实例化则调用初始化程序。
我添加了这个以使其工作:
-(id)initWithCoder:(NSCoder *)aDecoder
{
if ((self = [super initWithCoder:aDecoder])) {
NSDate *date = [NSDate date];
logic = [[KalLogic alloc] initForDate:date];
self.initialDate = date;
self.selectedDate = date;
[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(significantTimeChangeOccurred) name:UIApplicationSignificantTimeChangeNotification object:nil];
[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(reloadData) name:KalDataSourceChangedNotification object:nil];
}
return self;
}
我只是将一个 UIViewController 拖到故事情节舞台上,在检查器中将它的类更改为 KalViewController,将它从标签栏 Controller 连接起来并且它起作用了。
我创建了一个示例项目:TabbedKalTest@GitHub
当然应该记住DRY:
-(void) _configureWithDate:(NSDate *)date
{
logic = [[KalLogic alloc] initForDate:date];
self.initialDate = date;
self.selectedDate = date;
[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(significantTimeChangeOccurred) name:UIApplicationSignificantTimeChangeNotification object:nil];
[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(reloadData) name:KalDataSourceChangedNotification object:nil];
}
//called if created by nib/storyboard
-(id)initWithCoder:(NSCoder *)aDecoder
{
if ((self = [super initWithCoder:aDecoder])) {
[self _configureWithDate:[NSDate date]];
}
return self;
}
//the designated initializer for non-nib/storyboard creation
- (id)initWithSelectedDate:(NSDate *)date
{
if ((self = [super init])) {
[self _configureWithDate:date];
}
return self;
}
我在 Kal 中创建了一个分支来解决这个问题并发布了一个 pull-request .
关于objective-c - 将 kal 日历实现到选项卡栏应用程序中,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/13952741/