Iphone 如何使用故事板从主视图推送到细节视图?
我试图在故事板中推到细节视图,但不起作用Iphone 如何使用故事板从主视图推送到细节视图?,iphone,ios,xcode,uistoryboard,Iphone,Ios,Xcode,Uistoryboard,我试图在故事板中推到细节视图,但不起作用 -(void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender { if ([[segue identifier] isEqualToString:@"drinkList"]) { NSIndexPath *myIndexPath = [self.drinksCatTable indexPathForSelectedRow]; if
-(void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender
{
if ([[segue identifier] isEqualToString:@"drinkList"])
{
NSIndexPath *myIndexPath = [self.drinksCatTable indexPathForSelectedRow];
if (myIndexPath.row ==0) //if selected is row 1
{
selectedDrinkCat =[segue destinationViewController];
Drinks *drinkList = [aDelegate.categoryArray objectAtIndex:0];//forward all drinks to drinksList
selectedDrinkCat.drinkList = drinkList;//point drinkList to the next view drinkList
selectedDrinkCat.allDrinkStr = @"All";//all drinks selected
NSLog(@"aaa");
}
else
{
Drinks *drinkList = [aDelegate.categoryArray objectAtIndex:(myIndexPath.row)-1];//we have to minus 1 as the row had en extra "All" row which is not in the database
selectedDrinkCat.drinkList = drinkList;
selectedDrinkCat.allDrinkStr =@"cat";
NSLog(@"1111");
}
}
}
- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath {
[self performSegueWithIdentifier:@"drinkList" sender:self];
NSLog(@"called did select");
}
必须使用视图控制器的
pushViewController:
方法。执行以下操作:
- 转到
文件情节提要
- 单击
,然后按下主viewcontroller(鼠标+^),并将其拖动到viewcontroller1
viewController2
- 从关联菜单中选择“推送”
- 将在这些视图之间创建一个链接,单击它,然后在inspector中将
更改为索引器
饮用列表
现在,您编写的代码应该可以工作了。您是否应该将
selectedDrinkCat
声明为destinationViewController
类的viewcontroller
比如:
desmondViewController *selectedDrinkCat=(desmondViewController *)[segue destinationViewController];