导航控制器在popover [英] Navigation Controller in popover
问题描述
我有兴趣创建一个应用程序,其中我有一个popover显示一个列表的项目。然后,我选择一个项目,并且视图演练到另一个表视图,包括另一个项目列表和导航返回按钮。
我将向下钻取的级别是动态的。
请指导我使用适当的资源来帮助我解决问题。
我以前做过,效果很好!
只需将此函数分配给您的按钮(可能是UIBarButtonItem):
UIPopoverController * popover;
bool isPopoverOpen = false;
- (void)openPopover {
if(!isPopoverOpen){
FirstViewController * firstViewCtrl = [[PartsViewCtrl alloc] init];
UINavigationController * navbar = [[UINavigationController alloc] initWithRootViewController:firstViewCtrl];
[firstViewCtrl release];
navbar.contentSizeForViewInPopover = CGSizeMake(TABLE_WIDTH,TABLE_HEIGHT);
popover = [[UIPopoverController alloc] initWithContentViewController:navbar];
[navbar release];
popover.delegate = self;
popover.popoverContentSize = CGSizeMake(TABLE_WIDTH,TABLE_HEIGHT);
[popoverOnPartsView presentPopoverFromBarButtonItem:barButtonItem allowedArrowDirections:UIPopoverArrowDirectionAny animated:YES];
isPopoverOpen = true;
} else {
[popover dismissPopoverAnimated:YES];
[popover release];
isPopoverOpen = false;
}
}
将此函数实现到具有UITableView的FirstViewController:
- (void)tableView :( UITableView *)tableView didSelectRowAtIndexPath :( NSIndexPath *)indexPath {
SecondViewController * secondViewController = [[SecondViewController alloc] init];
[self.navigationController pushViewController:secondViewController animated:YES];
[secondViewController release];
}
现在,您可以添加一个UITableView到SecondViewController,Too。并将其用于其他表格!
我希望它适用于您!
I am a total newbie in the ipad app development.
I am interested in creating an application where i have a popover showing a tableview with list of items. Then i select an item and the view drills to another tableview consisting of another list of items and a navigate back button as well.
the level to which i would be drilling down is dynamic.
Please guide me with appropriate resources to help me solve the problem.
I did it before and it works well! Just assign this function to your button (perhaps an UIBarButtonItem):
UIPopoverController *popover;
bool isPopoverOpen = false;
-(void)openPopover{
if(!isPopoverOpen){
FirstViewController *firstViewCtrl = [[PartsViewCtrl alloc] init];
UINavigationController *navbar = [[UINavigationController alloc] initWithRootViewController:firstViewCtrl];
[firstViewCtrl release];
navbar.contentSizeForViewInPopover = CGSizeMake(TABLE_WIDTH, TABLE_HEIGHT);
popover = [[UIPopoverController alloc] initWithContentViewController:navbar];
[navbar release];
popover.delegate = self;
popover.popoverContentSize = CGSizeMake(TABLE_WIDTH, TABLE_HEIGHT);
[popoverOnPartsView presentPopoverFromBarButtonItem:barButtonItem permittedArrowDirections:UIPopoverArrowDirectionAny animated:YES];
isPopoverOpen = true;
}else{
[popover dismissPopoverAnimated:YES];
[popover release];
isPopoverOpen = false;
}
}
And implement this function to FirstViewController which has an UITableView:
-(void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath{
SecondViewController *secondViewController = [[SecondViewController alloc] init];
[self.navigationController pushViewController:secondViewController animated:YES];
[secondViewController release];
}
Now you can add an UITableView to SecondViewController, Too. And use this scenario for other tables!
I hope it works for you!
这篇关于导航控制器在popover的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持IT屋!